feat:首次提交

.gitignore

@@ -0,0 +1,16 @@
+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties
+.idea

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml

.idea/deploymentTargetDropDown.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="deploymentTargetDropDown">
+    <value>
+      <entry key="app">
+        <State>
+          <targetSelectedWithDropDown>
+            <Target>
+              <type value="QUICK_BOOT_TARGET" />
+              <deviceKey>
+                <Key>
+                  <type value="VIRTUAL_DEVICE_PATH" />
+                  <value value="$USER_HOME$/.android/avd/Card_Pixel_XL_API_27.avd" />
+                </Key>
+              </deviceKey>
+            </Target>
+          </targetSelectedWithDropDown>
+          <timeTargetWasSelectedWithDropDown value="2024-03-07T08:47:00.360478Z" />
+        </State>
+      </entry>
+    </value>
+  </component>
+</project>

.idea/gradle.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
+  <component name="GradleSettings">
+    <option name="linkedExternalProjectsSettings">
+      <GradleProjectSettings>
+        <option name="externalProjectPath" value="$PROJECT_DIR$" />
+        <option name="gradleJvm" value="#GRADLE_LOCAL_JAVA_HOME" />
+        <option name="modules">
+          <set>
+            <option value="$PROJECT_DIR$" />
+            <option value="$PROJECT_DIR$/app" />
+          </set>
+        </option>
+        <option name="resolveExternalAnnotations" value="false" />
+      </GradleProjectSettings>
+    </option>
+  </component>
+</project>

.idea/kotlinc.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="KotlinJpsPluginSettings">
+    <option name="version" value="1.9.22" />
+  </component>
+</project>

.idea/migrations.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectMigrations">
+    <option name="MigrateToGradleLocalJavaHome">
+      <set>
+        <option value="$PROJECT_DIR$" />
+      </set>
+    </option>
+  </component>
+</project>

.idea/misc.xml

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+<project version="4">
+  <component name="ExternalStorageConfigurationManager" enabled="true" />
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="jbr-17" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/build/classes" />
+  </component>
+  <component name="ProjectType">
+    <option name="id" value="Android" />
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'org.jetbrains.kotlin.android'
+}
+
+android {
+    namespace 'com.heeeeka.card'
+    compileSdk 34
+
+    defaultConfig {
+        applicationId "com.heeeeka.card"
+        minSdk 21
+        targetSdk 34
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+    kotlinOptions {
+        jvmTarget = '1.8'
+    }
+    buildFeatures {
+        viewBinding = true
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.core:core-ktx:1.10.1'
+    implementation 'androidx.appcompat:appcompat:1.6.1'
+    implementation 'com.google.android.material:material:1.9.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
+
+    implementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.7.0'
+    implementation 'com.geyifeng.immersionbar:immersionbar:3.2.2'
+    implementation 'io.github.cymchad:BaseRecyclerViewAdapterHelper4:4.1.4'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/heeeeka/card/ExampleInstrumentedTest.kt

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+package com.heeeeka.card
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+    @Test
+    fun useAppContext() {
+        // Context of the app under test.
+        val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+        assertEquals("com.heeeeka.card", appContext.packageName)
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <uses-permission
+        android:name="android.permission.READ_EXTERNAL_STORAGE"
+        android:maxSdkVersion="28" />
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="28" />
+
+    <application
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.Card"
+        tools:targetApi="31">
+
+        <!--适配华为（huawei）刘海屏-->
+        <meta-data
+            android:name="android.notch_support"
+            android:value="true" />
+        <!--适配小米（xiaomi）刘海屏-->
+        <meta-data
+            android:name="notch.config"
+            android:value="portrait|landscape" />
+
+        <activity
+            android:name="com.heeeeka.card.MainActivity"
+            android:exported="true"
+            android:screenOrientation="portrait">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+</manifest>

app/src/main/java/com/heeeeka/card/MainActivity.kt

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+package com.heeeeka.card
+
+import android.os.Bundle
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AppCompatActivity
+import com.heeeeka.card.support.ActivityResultLauncherCompat
+import com.heeeeka.card.databinding.MainActivityBinding
+import com.heeeeka.card.ui.display.CardDisplayDialog
+import com.heeeeka.card.model.CardInfo
+import com.heeeeka.card.support.CardEngine
+import com.heeeeka.card.ui.bg.CardBgDialog
+import com.heeeeka.card.ui.firework.CardFireworkDialog
+import com.heeeeka.card.utils.ILog
+import com.heeeeka.card.utils.toast
+import com.gyf.immersionbar.ImmersionBar
+import java.nio.charset.Charset
+
+class MainActivity : AppCompatActivity(), ILog {
+
+    private var binding: MainActivityBinding? = null
+    private var cardEngine: CardEngine? = null
+    private val cardInfo: CardInfo =
+        CardInfo(0, 0, "", R.drawable.card_bg_1, emptyList(), R.drawable.card_firework_1)
+
+    private val launcherCompat =
+        ActivityResultLauncherCompat(this, ActivityResultContracts.RequestMultiplePermissions())
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = MainActivityBinding.inflate(layoutInflater)
+        setContentView(binding?.root)
+        ImmersionBar.with(this).init()
+        initView()
+        initEvent()
+    }
+
+    private fun initView() {
+        binding?.layoutRoot?.let {
+            it.post {
+                cardInfo.width = it.width
+                cardInfo.height = it.height
+                cardEngine = CardEngine(this, it.width, it.height)
+            }
+        }
+    }
+
+    private fun initEvent() {
+        binding?.let { binding ->
+            binding.ivRefresh.setOnClickListener {
+                refreshFirework()
+            }
+            binding.ivGenerate.setOnClickListener {
+                showCardDisplayDialog()
+            }
+            binding.tvChangeBg.setOnClickListener {
+                showBgSelectDialog()
+            }
+            binding.tvChangeFirework.setOnClickListener {
+                showFireworkSelectDialog()
+            }
+        }
+    }
+
+    private fun showBgSelectDialog() {
+        CardBgDialog(this, lifecycle, cardInfo.bgResId) {
+            cardInfo.bgResId = it
+            binding?.ivCardBg?.setImageResource(it)
+        }.show()
+    }
+
+    private fun refreshFirework() {
+        val view = binding?.layoutRoot ?: return
+        cardEngine?.let {
+            cardInfo.images = it.randomImage(cardInfo.fireworkResId)
+            it.loadImages(view, cardInfo.images, true)
+        }
+    }
+
+    private fun showFireworkSelectDialog() {
+        CardFireworkDialog(this, lifecycle, cardInfo.fireworkResId) {
+            cardInfo.fireworkResId = it
+            if (cardInfo.images.isNotEmpty()) {
+                refreshFirework()
+            }
+        }.show()
+    }
+
+    private fun showCardDisplayDialog() {
+        val text = binding?.etText?.text?.trim()?.toString() ?: ""
+        if (getTextLength(text) > 15) {
+            toast(R.string.card_text_length_tips)
+            return
+        }
+        cardInfo.text = text
+        CardDisplayDialog(this, cardInfo, launcherCompat).show()
+    }
+
+    private fun getTextLength(text: String): Int {
+        if (Charset.isSupported("GBK")) {
+            val charset = Charset.forName("GBK")
+            val newText = String(text.toByteArray(charset), charset)
+            return newText.length
+        } else {
+            return text.length
+        }
+    }
+}

app/src/main/java/com/heeeeka/card/model/CardInfo.kt

@@ -0,0 +1,15 @@
+package com.heeeeka.card.model
+
+
+/**
+ * Created by Max on 2024/3/6 15:04
+ * Desc:
+ **/
+data class CardInfo(
+    var width: Int,
+    var height: Int,
+    var text: String,
+    var bgResId: Int,
+    var images: List<ImageInfo>,
+    var fireworkResId: Int
+)

app/src/main/java/com/heeeeka/card/model/ImageInfo.kt

@@ -0,0 +1,9 @@
+package com.heeeeka.card.model
+
+import java.io.Serializable
+
+/**
+ * Created by Max on 2024/3/6 15:03
+ * Desc:
+ **/
+data class ImageInfo(val resId: Int, val left: Float, val top: Float) : Serializable

app/src/main/java/com/heeeeka/card/support/ActivityResultLauncherCompat.kt

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+package com.heeeeka.card.support
+
+import androidx.activity.result.ActivityResultCallback
+import androidx.activity.result.ActivityResultCaller
+import androidx.activity.result.ActivityResultLauncher
+import androidx.activity.result.ActivityResultRegistry
+import androidx.activity.result.contract.ActivityResultContract
+import androidx.core.app.ActivityOptionsCompat
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentActivity
+import androidx.lifecycle.DefaultLifecycleObserver
+import androidx.lifecycle.LifecycleOwner
+
+class ActivityResultLauncherCompat<I, O> constructor(
+    private val caller: ActivityResultCaller,
+    private val contract: ActivityResultContract<I, O>,
+    private val registry: ActivityResultRegistry?,
+    private val lifecycleOwner: LifecycleOwner
+) : DefaultLifecycleObserver, ActivityResultCallback<O> {
+
+    private var activityResultLauncher: ActivityResultLauncher<I>? = null
+    private var activityResultCallback: ActivityResultCallback<O>? = null
+
+    constructor(
+        caller: ActivityResultCaller,
+        contract: ActivityResultContract<I, O>,
+        lifecycleOwner: LifecycleOwner
+    ) : this(caller, contract, null, lifecycleOwner)
+
+    constructor(fragment: Fragment, contract: ActivityResultContract<I, O>) :
+            this(fragment, contract, fragment)
+
+    constructor(activity: FragmentActivity, contract: ActivityResultContract<I, O>) :
+            this(activity, contract, activity)
+
+    init {
+        lifecycleOwner.lifecycle.addObserver(this)
+    }
+
+    override fun onCreate(owner: LifecycleOwner) {
+        activityResultLauncher = if (registry == null) {
+            caller.registerForActivityResult(contract, this)
+        } else {
+            caller.registerForActivityResult(contract, registry, this)
+        }
+    }
+
+    override fun onStart(owner: LifecycleOwner) {
+        if (activityResultLauncher == null) {
+            throw IllegalStateException("ActivityResultLauncherCompat must initialize before they are STARTED.")
+        }
+    }
+
+    override fun onDestroy(owner: LifecycleOwner) {
+        lifecycleOwner.lifecycle.removeObserver(this)
+    }
+
+    override fun onActivityResult(result: O) {
+        activityResultCallback?.onActivityResult(result)
+    }
+
+    fun launch(input: I, callback: ActivityResultCallback<O>) {
+        launch(input, null, callback)
+    }
+
+    fun launch(input: I, options: ActivityOptionsCompat?, callback: ActivityResultCallback<O>) {
+        activityResultCallback = callback
+        activityResultLauncher?.launch(input, options)
+    }
+
+}

app/src/main/java/com/heeeeka/card/support/CardEngine.kt

@@ -0,0 +1,107 @@
+package com.heeeeka.card.support
+
+import android.content.Context
+import android.view.ViewGroup.MarginLayoutParams
+import android.widget.ImageView
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.view.isVisible
+import com.heeeeka.card.model.ImageInfo
+import com.heeeeka.card.utils.ILog
+import kotlin.random.Random
+
+class CardEngine(
+    private val context: Context,
+    private val cardWidth: Int,
+    private val cardHeight: Int
+) : ILog {
+
+    private val maxImageCount = 5
+    private val imageWidthPercent = 0.3
+
+    private val imageViewCache = ArrayList<ImageView>()
+    private val displayImageList = ArrayList<ImageView>()
+
+    fun randomImage(imageResId: Int): MutableList<ImageInfo> {
+        val list = ArrayList<ImageInfo>()
+        val size = Random.nextInt(3, maxImageCount + 1)
+        logD("randomImage size:${size}")
+        repeat(size) {
+            val left = Random.nextDouble(1 - imageWidthPercent)
+            val top = Random.nextDouble(1 - (imageWidthPercent * cardWidth / cardHeight))
+            logD("randomImage() left:$left top:$top")
+            list.add(ImageInfo(imageResId, left.toFloat(), top.toFloat()))
+        }
+        return list
+    }
+
+    fun loadImages(pView: ConstraintLayout, images: List<ImageInfo>, needAnimation: Boolean) {
+        logD("loadImages() size:${images.size}")
+        displayImageList.forEach {
+            it.isVisible = false
+        }
+        imageViewCache.addAll(displayImageList)
+        displayImageList.clear()
+        images.forEach {
+            val imageView = getImageView(context)
+            imageView.isVisible = false
+            if (imageView.parent == null) {
+                pView.addView(imageView)
+            }
+            imageView.setImageResource(it.resId)
+            (imageView.layoutParams as? MarginLayoutParams)?.let { layoutParams ->
+                layoutParams.setMargins(
+                    (cardWidth * it.left).toInt(),
+                    (cardHeight * it.top).toInt(),
+                    0,
+                    0
+                )
+                imageView.layoutParams = layoutParams
+            }
+            showImage(imageView, needAnimation)
+        }
+    }
+
+    private fun showImage(imageView: ImageView, needAnimation: Boolean) {
+        displayImageList.add(imageView)
+        imageView.alpha = 0f
+        imageView.scaleX = 0f
+        imageView.scaleY = 0f
+        imageView.isVisible = true
+        if (needAnimation) {
+            imageView.animate().alpha(1f).scaleX(1f).scaleY(1f)
+                .setListener(object : DefAnimListener {})
+                .setStartDelay(Random.nextLong(100)).start()
+        } else {
+            imageView.alpha = 1f
+            imageView.scaleX = 1f
+            imageView.scaleY = 1f
+        }
+    }
+
+    private fun getImageView(context: Context): ImageView {
+        var imageView = imageViewCache.firstOrNull()
+        if (imageView != null) {
+            imageViewCache.removeFirst()
+        } else {
+            imageView = createImageView(context)
+        }
+        return imageView
+    }
+
+    private fun createImageView(
+        context: Context,
+    ): ImageView {
+        return ImageView(context).apply {
+            layoutParams = ConstraintLayout.LayoutParams(0, 0).apply {
+                this.dimensionRatio = "1:1"
+                this.matchConstraintPercentWidth = 0.3f
+                this.topToTop = ConstraintLayout.LayoutParams.PARENT_ID
+                this.leftToLeft = ConstraintLayout.LayoutParams.PARENT_ID
+            }
+        }
+    }
+
+    override fun getLogTag(): String {
+        return "CardEngine"
+    }
+}

app/src/main/java/com/heeeeka/card/support/DefAnimListener.kt

@@ -0,0 +1,21 @@
+package com.heeeeka.card.support
+
+import android.animation.Animator
+
+/**
+ * Created by Max on 2024/3/6 11:43
+ * Desc:
+ **/
+interface DefAnimListener : Animator.AnimatorListener {
+    override fun onAnimationStart(animation: Animator) {
+    }
+
+    override fun onAnimationEnd(animation: Animator) {
+    }
+
+    override fun onAnimationCancel(animation: Animator) {
+    }
+
+    override fun onAnimationRepeat(animation: Animator) {
+    }
+}

app/src/main/java/com/heeeeka/card/ui/bg/CardBgAdapter.kt

@@ -0,0 +1,53 @@
+package com.heeeeka.card.ui.bg
+
+import android.content.Context
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import com.chad.library.adapter4.BaseQuickAdapter
+import com.chad.library.adapter4.viewholder.QuickViewHolder
+import com.heeeeka.card.R
+import com.google.android.material.imageview.ShapeableImageView
+
+class CardBgAdapter : BaseQuickAdapter<Int, QuickViewHolder>() {
+
+    var selectItem: Int? = null
+
+    init {
+        setOnItemClickListener { adapter, view, position ->
+            selectItem = getItem(position)
+            notifyItemRangeChanged(0, itemCount, true)
+        }
+    }
+
+    override fun onBindViewHolder(
+        holder: QuickViewHolder,
+        position: Int,
+        item: Int?,
+        payloads: List<Any>
+    ) {
+        super.onBindViewHolder(holder, position, item, payloads)
+        onBindState(holder, position, item)
+    }
+
+    override fun onBindViewHolder(holder: QuickViewHolder, position: Int, item: Int?) {
+        val imageView = holder.getView<ShapeableImageView>(R.id.iv_img)
+        item?.let {
+            imageView.setImageResource(item)
+        }
+        onBindState(holder, position, item)
+    }
+
+    private fun onBindState(holder: QuickViewHolder, position: Int, item: Int?) {
+        val imageView = holder.getView<View>(R.id.iv_border)
+        imageView.isVisible = item == selectItem
+    }
+
+    override fun onCreateViewHolder(
+        context: Context,
+        parent: ViewGroup,
+        viewType: Int
+    ): QuickViewHolder {
+        return QuickViewHolder(R.layout.card_bg_item, parent)
+    }
+}

app/src/main/java/com/heeeeka/card/ui/bg/CardBgDialog.kt

@@ -0,0 +1,75 @@
+package com.heeeeka.card.ui.bg
+
+import android.app.Dialog
+import android.content.Context
+import android.os.Bundle
+import android.view.ViewGroup
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
+import androidx.lifecycle.LifecycleOwner
+import androidx.viewbinding.ViewBinding
+import com.heeeeka.card.R
+import com.heeeeka.card.databinding.CardBgDialogBinding
+import com.heeeeka.card.utils.ILog
+
+/**
+ * Created by Max on 2024/3/6 14:14
+ * Desc:
+ **/
+class CardBgDialog(
+    context: Context,
+    private val lifecycle: Lifecycle,
+    private val selectItem: Int,
+    private var listener: ((Int) -> Unit)? = null
+) :
+    Dialog(context, R.style.base_dialog), LifecycleEventObserver, ILog {
+
+    private var binding: CardBgDialogBinding? = null
+
+    private val adapter = CardBgAdapter()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        lifecycle.addObserver(this)
+        binding = CardBgDialogBinding.inflate(layoutInflater)
+        binding?.root?.let { setContentView(it) }
+        window?.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)
+
+        binding?.let { binding ->
+            adapter.selectItem = selectItem
+            binding.recyclerView.adapter = adapter
+            adapter.addAll(getBgList())
+            binding.tvCancel.setOnClickListener {
+                dismiss()
+            }
+            binding.tvConfirm.setOnClickListener {
+                val item = adapter.selectItem ?: return@setOnClickListener
+                listener?.invoke(item)
+                dismiss()
+            }
+        }
+    }
+
+    private fun getBgList(): List<Int> {
+        return listOf(
+            R.drawable.card_bg_1,
+            R.drawable.card_bg_2,
+            R.drawable.card_bg_3,
+            R.drawable.card_bg_4,
+            R.drawable.card_bg_5,
+            R.drawable.card_bg_6
+        )
+    }
+
+    override fun dismiss() {
+        super.dismiss()
+        lifecycle.removeObserver(this)
+        listener = null
+    }
+
+    override fun onStateChanged(source: LifecycleOwner, event: Lifecycle.Event) {
+        if (event == Lifecycle.Event.ON_DESTROY) {
+            dismiss()
+        }
+    }
+}

app/src/main/java/com/heeeeka/card/ui/display/CardDisplayDialog.kt

@@ -0,0 +1,103 @@
+package com.heeeeka.card.ui.display
+
+import android.Manifest
+import android.app.Dialog
+import android.graphics.Bitmap
+import android.os.Build
+import android.os.Bundle
+import android.view.ViewGroup
+import androidx.constraintlayout.widget.ConstraintLayout
+import androidx.core.view.drawToBitmap
+import androidx.fragment.app.FragmentActivity
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
+import androidx.lifecycle.LifecycleOwner
+import com.heeeeka.card.R
+import com.heeeeka.card.databinding.CardDisplayDialogBinding
+import com.heeeeka.card.model.CardInfo
+import com.heeeeka.card.support.ActivityResultLauncherCompat
+import com.heeeeka.card.support.CardEngine
+import com.heeeeka.card.utils.ILog
+import com.heeeeka.card.utils.UiUtils
+import com.heeeeka.card.utils.roundCorner
+import com.heeeeka.card.utils.toast
+
+class CardDisplayDialog(
+    private val activity: FragmentActivity,
+    private val cardInfo: CardInfo,
+    private val launcherCompat: ActivityResultLauncherCompat<Array<String>, Map<String, Boolean>>
+) : Dialog(activity, R.style.base_dialog), LifecycleEventObserver, ILog {
+
+    private var binding: CardDisplayDialogBinding? = null
+    private var cardEngine: CardEngine? = null
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        activity.lifecycle.addObserver(this)
+        binding = CardDisplayDialogBinding.inflate(layoutInflater)
+        binding?.root?.let { setContentView(it) }
+        window?.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)
+
+        binding?.let { binding ->
+            binding.layoutCard.roundCorner(UiUtils.dip2px(context, 12f))
+            (binding.layoutCard.layoutParams as? ConstraintLayout.LayoutParams)?.let {
+                it.dimensionRatio = "${cardInfo.width}:${cardInfo.height}"
+                logD("dimensionRatio:${it.dimensionRatio}")
+                binding.layoutCard.layoutParams = it
+            }
+            binding.layoutCard.post {
+                cardEngine =
+                    CardEngine(context, binding.layoutCard.width, binding.layoutCard.height)
+                loadCard(cardInfo)
+            }
+            binding.tvSave.setOnClickListener {
+                saveCard(binding.layoutCard.drawToBitmap())
+            }
+            binding.tvCancel.setOnClickListener {
+                dismiss()
+            }
+        }
+    }
+
+    private fun loadCard(cardInfo: CardInfo) {
+        binding?.layoutCard?.let {
+            cardEngine?.loadImages(it, cardInfo.images, false)
+            binding?.ivCardBg?.setImageResource(cardInfo.bgResId)
+            binding?.tvCardText?.text = cardInfo.text
+        }
+    }
+
+    private fun saveCard(bitmap: Bitmap) {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+            saveImageImpl(bitmap)
+        } else {
+            val permissions = arrayOf(
+                Manifest.permission.READ_EXTERNAL_STORAGE,
+                Manifest.permission.WRITE_EXTERNAL_STORAGE
+            )
+            launcherCompat.launch(permissions) {
+                if (it.values.firstOrNull { result -> !result } == null) {
+                    saveImageImpl(bitmap)
+                } else {
+                    context.toast(R.string.permission_external_storage_denied, true)
+                }
+            }
+        }
+    }
+
+    private fun saveImageImpl(bitmap: Bitmap) {
+        logD("saveImageImpl thread:${Thread.currentThread().name}")
+        logD("MAAAX", "saveImageImpl end")
+    }
+
+    override fun dismiss() {
+        super.dismiss()
+        activity.lifecycle.removeObserver(this)
+    }
+
+    override fun onStateChanged(source: LifecycleOwner, event: Lifecycle.Event) {
+        if (event == Lifecycle.Event.ON_DESTROY) {
+            dismiss()
+        }
+    }
+}

app/src/main/java/com/heeeeka/card/ui/firework/CardFireworkAdapter.kt

@@ -0,0 +1,53 @@
+package com.heeeeka.card.ui.firework
+
+import android.content.Context
+import android.view.View
+import android.view.ViewGroup
+import androidx.core.view.isVisible
+import com.chad.library.adapter4.BaseQuickAdapter
+import com.chad.library.adapter4.viewholder.QuickViewHolder
+import com.heeeeka.card.R
+import com.google.android.material.imageview.ShapeableImageView
+
+class CardFireworkAdapter : BaseQuickAdapter<Int, QuickViewHolder>() {
+
+    var selectItem: Int? = null
+
+    init {
+        setOnItemClickListener { adapter, view, position ->
+            selectItem = getItem(position)
+            notifyItemRangeChanged(0, itemCount, true)
+        }
+    }
+
+    override fun onBindViewHolder(
+        holder: QuickViewHolder,
+        position: Int,
+        item: Int?,
+        payloads: List<Any>
+    ) {
+        super.onBindViewHolder(holder, position, item, payloads)
+        onBindState(holder, position, item)
+    }
+
+    override fun onBindViewHolder(holder: QuickViewHolder, position: Int, item: Int?) {
+        val imageView = holder.getView<ShapeableImageView>(R.id.iv_img)
+        item?.let {
+            imageView.setImageResource(item)
+        }
+        onBindState(holder, position, item)
+    }
+
+    private fun onBindState(holder: QuickViewHolder, position: Int, item: Int?) {
+        val imageView = holder.getView<View>(R.id.iv_border)
+        imageView.isVisible = item == selectItem
+    }
+
+    override fun onCreateViewHolder(
+        context: Context,
+        parent: ViewGroup,
+        viewType: Int
+    ): QuickViewHolder {
+        return QuickViewHolder(R.layout.card_firework_item, parent)
+    }
+}

app/src/main/java/com/heeeeka/card/ui/firework/CardFireworkDialog.kt

@@ -0,0 +1,68 @@
+package com.heeeeka.card.ui.firework
+
+import android.app.Dialog
+import android.content.Context
+import android.os.Bundle
+import android.view.ViewGroup
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.LifecycleEventObserver
+import androidx.lifecycle.LifecycleOwner
+import com.heeeeka.card.R
+import com.heeeeka.card.databinding.CardFireworkDialogBinding
+import com.heeeeka.card.utils.ILog
+
+class CardFireworkDialog(
+    context: Context,
+    private val lifecycle: Lifecycle,
+    private val selectItem: Int,
+    private var listener: ((Int) -> Unit)? = null
+) :
+    Dialog(context, R.style.base_dialog), LifecycleEventObserver, ILog {
+
+    private var binding: CardFireworkDialogBinding? = null
+
+    private val adapter = CardFireworkAdapter()
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        lifecycle.addObserver(this)
+        binding = CardFireworkDialogBinding.inflate(layoutInflater)
+        binding?.root?.let { setContentView(it) }
+        window?.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT)
+
+        binding?.let { binding ->
+            adapter.selectItem = selectItem
+            binding.recyclerView.adapter = adapter
+            adapter.addAll(getBgList())
+            binding.tvCancel.setOnClickListener {
+                dismiss()
+            }
+            binding.tvConfirm.setOnClickListener {
+                val item = adapter.selectItem ?: return@setOnClickListener
+                listener?.invoke(item)
+                dismiss()
+            }
+        }
+    }
+
+    private fun getBgList(): List<Int> {
+        return listOf(
+            R.drawable.card_firework_1,
+            R.drawable.card_firework_2,
+            R.drawable.card_firework_3,
+            R.drawable.card_firework_4
+        )
+    }
+
+    override fun dismiss() {
+        super.dismiss()
+        lifecycle.removeObserver(this)
+        listener = null
+    }
+
+    override fun onStateChanged(source: LifecycleOwner, event: Lifecycle.Event) {
+        if (event == Lifecycle.Event.ON_DESTROY) {
+            dismiss()
+        }
+    }
+}

app/src/main/java/com/heeeeka/card/utils/ILog.kt

@@ -0,0 +1,21 @@
+package com.heeeeka.card.utils
+
+import android.util.Log
+
+/**
+ * Created by Max on 2024/3/6 15:43
+ * Desc:
+ **/
+interface ILog {
+    fun logD(message: String) {
+        Log.d(getLogTag(), message)
+    }
+
+    fun logD(tag: String, message: String) {
+        Log.d(tag, message)
+    }
+
+    fun getLogTag(): String {
+        return "ILog"
+    }
+}

app/src/main/java/com/heeeeka/card/utils/ImageExt.kt

@@ -0,0 +1,253 @@
+@file:JvmName("ImageExt")
+@file:Suppress("unused")
+
+package com.heeeeka.card.utils
+
+import android.content.*
+import android.graphics.Bitmap
+import android.net.Uri
+import android.os.Build
+import android.os.Environment
+import android.provider.MediaStore
+import android.util.Log
+import java.io.File
+import java.io.FileNotFoundException
+import java.io.InputStream
+import java.io.OutputStream
+
+
+private const val TAG = "ImageExt"
+
+private val ALBUM_DIR = Environment.DIRECTORY_PICTURES
+
+private class OutputFileTaker(var file: File? = null)
+
+/**
+ * 复制图片文件到相册的Pictures文件夹
+ *
+ * @param context 上下文
+ * @param fileName 文件名。 需要携带后缀
+ * @param relativePath 相对于Pictures的路径
+ */
+fun File.copyToAlbum(context: Context, fileName: String, relativePath: String?): Uri? {
+    if (!this.canRead() || !this.exists()) {
+        Log.w(TAG, "check: read file error: $this")
+        return null
+    }
+    return this.inputStream().use {
+        it.saveToAlbum(context, fileName, relativePath)
+    }
+}
+
+/**
+ * 保存图片Stream到相册的Pictures文件夹
+ *
+ * @param context 上下文
+ * @param fileName 文件名。 需要携带后缀
+ * @param relativePath 相对于Pictures的路径
+ */
+fun InputStream.saveToAlbum(context: Context, fileName: String, relativePath: String?): Uri? {
+    val resolver = context.contentResolver
+    val outputFile = OutputFileTaker()
+    val imageUri = resolver.insertMediaImage(fileName, relativePath, outputFile)
+    if (imageUri == null) {
+        Log.w(TAG, "insert: error: uri == null")
+        return null
+    }
+
+    (imageUri.outputStream(resolver) ?: return null).use { output ->
+        this.use { input ->
+            input.copyTo(output)
+            imageUri.finishPending(context, resolver, outputFile.file)
+        }
+    }
+    return imageUri
+}
+
+/**
+ * 保存Bitmap到相册的Pictures文件夹
+ *
+ * https://developer.android.google.cn/training/data-storage/shared/media
+ *
+ * @param context 上下文
+ * @param fileName 文件名。 需要携带后缀
+ * @param relativePath 相对于Pictures的路径
+ * @param quality 质量
+ */
+fun Bitmap.saveToAlbum(
+    context: Context,
+    fileName: String,
+    relativePath: String? = null,
+    quality: Int = 75,
+): Uri? {
+    // 插入图片信息
+    val resolver = context.contentResolver
+    val outputFile = OutputFileTaker()
+    val imageUri = resolver.insertMediaImage(fileName, relativePath, outputFile)
+    if (imageUri == null) {
+        Log.w(TAG, "insert: error: uri == null")
+        return null
+    }
+
+    // 保存图片
+    (imageUri.outputStream(resolver) ?: return null).use {
+        val format = fileName.getBitmapFormat()
+        this@saveToAlbum.compress(format, quality, it)
+        imageUri.finishPending(context, resolver, outputFile.file)
+    }
+    return imageUri
+}
+
+private fun Uri.outputStream(resolver: ContentResolver): OutputStream? {
+    return try {
+        resolver.openOutputStream(this)
+    } catch (e: FileNotFoundException) {
+        Log.e(TAG, "save: open stream error: $e")
+        null
+    }
+}
+
+private fun Uri.finishPending(
+    context: Context,
+    resolver: ContentResolver,
+    outputFile: File?,
+) {
+    val imageValues = ContentValues()
+    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q) {
+        if (outputFile != null) {
+            imageValues.put(MediaStore.Images.Media.SIZE, outputFile.length())
+        }
+        resolver.update(this, imageValues, null, null)
+        // 通知媒体库更新
+        val intent = Intent(@Suppress("DEPRECATION") Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, this)
+        context.sendBroadcast(intent)
+    } else {
+        // Android Q添加了IS_PENDING状态，为0时其他应用才可见
+        imageValues.put(MediaStore.Images.Media.IS_PENDING, 0)
+        resolver.update(this, imageValues, null, null)
+    }
+}
+
+private fun String.getBitmapFormat(): Bitmap.CompressFormat {
+    val fileName = this.lowercase()
+    return when {
+        fileName.endsWith(".png") -> Bitmap.CompressFormat.PNG
+        fileName.endsWith(".jpg") || fileName.endsWith(".jpeg") -> Bitmap.CompressFormat.JPEG
+        fileName.endsWith(".webp") -> if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R)
+            Bitmap.CompressFormat.WEBP_LOSSLESS else Bitmap.CompressFormat.WEBP
+        else -> Bitmap.CompressFormat.PNG
+    }
+}
+
+private fun String.getMimeType(): String? {
+    val fileName = this.lowercase()
+    return when {
+        fileName.endsWith(".png") -> "image/png"
+        fileName.endsWith(".jpg") || fileName.endsWith(".jpeg") -> "image/jpeg"
+        fileName.endsWith(".webp") -> "image/webp"
+        fileName.endsWith(".gif") -> "image/gif"
+        else -> null
+    }
+}
+
+/**
+ * 插入图片到媒体库
+ */
+private fun ContentResolver.insertMediaImage(
+    fileName: String,
+    relativePath: String?,
+    outputFileTaker: OutputFileTaker? = null,
+): Uri? {
+    // 图片信息
+    val imageValues = ContentValues().apply {
+        val mimeType = fileName.getMimeType()
+        if (mimeType != null) {
+            put(MediaStore.Images.Media.MIME_TYPE, mimeType)
+        }
+        val date = System.currentTimeMillis() / 1000
+        put(MediaStore.Images.Media.DATE_ADDED, date)
+        put(MediaStore.Images.Media.DATE_MODIFIED, date)
+    }
+    // 保存的位置
+    val collection: Uri
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+        val path = if (relativePath != null) "${ALBUM_DIR}/${relativePath}" else ALBUM_DIR
+        imageValues.apply {
+            put(MediaStore.Images.Media.DISPLAY_NAME, fileName)
+            put(MediaStore.Images.Media.RELATIVE_PATH, path)
+            put(MediaStore.Images.Media.IS_PENDING, 1)
+        }
+        collection = MediaStore.Images.Media.getContentUri(MediaStore.VOLUME_EXTERNAL_PRIMARY)
+        // 高版本不用查重直接插入，会自动重命名
+    } else {
+        // 老版本
+        val pictures =
+            @Suppress("DEPRECATION") Environment.getExternalStoragePublicDirectory(ALBUM_DIR)
+        val saveDir = if (relativePath != null) File(pictures, relativePath) else pictures
+
+        if (!saveDir.exists() && !saveDir.mkdirs()) {
+            Log.e(TAG, "save: error: can't create Pictures directory")
+            return null
+        }
+
+        // 文件路径查重，重复的话在文件名后拼接数字
+        var imageFile = File(saveDir, fileName)
+        val fileNameWithoutExtension = imageFile.nameWithoutExtension
+        val fileExtension = imageFile.extension
+
+        var queryUri = this.queryMediaImage28(imageFile.absolutePath)
+        var suffix = 1
+        while (queryUri != null) {
+            val newName = fileNameWithoutExtension + "(${suffix++})." + fileExtension
+            imageFile = File(saveDir, newName)
+            queryUri = this.queryMediaImage28(imageFile.absolutePath)
+        }
+
+        imageValues.apply {
+            put(MediaStore.Images.Media.DISPLAY_NAME, imageFile.name)
+            // 保存路径
+            val imagePath = imageFile.absolutePath
+            Log.v(TAG, "save file: $imagePath")
+            put(@Suppress("DEPRECATION") MediaStore.Images.Media.DATA, imagePath)
+        }
+        outputFileTaker?.file = imageFile// 回传文件路径，用于设置文件大小
+        collection = MediaStore.Images.Media.EXTERNAL_CONTENT_URI
+    }
+    // 插入图片信息
+    return this.insert(collection, imageValues)
+}
+
+/**
+ * Android Q以下版本，查询媒体库中当前路径是否存在
+ * @return Uri 返回null时说明不存在，可以进行图片插入逻辑
+ */
+private fun ContentResolver.queryMediaImage28(imagePath: String): Uri? {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) return null
+
+    val imageFile = File(imagePath)
+    if (imageFile.canRead() && imageFile.exists()) {
+        Log.v(TAG, "query: path: $imagePath exists")
+        // 文件已存在，返回一个file://xxx的uri
+        return Uri.fromFile(imageFile)
+    }
+    // 保存的位置
+    val collection = MediaStore.Images.Media.EXTERNAL_CONTENT_URI
+
+    // 查询是否已经存在相同图片
+    val query = this.query(
+        collection,
+        arrayOf(MediaStore.Images.Media._ID, @Suppress("DEPRECATION") MediaStore.Images.Media.DATA),
+        "${@Suppress("DEPRECATION") MediaStore.Images.Media.DATA} == ?",
+        arrayOf(imagePath), null
+    )
+    query?.use {
+        while (it.moveToNext()) {
+            val idColumn = it.getColumnIndexOrThrow(MediaStore.Images.Media._ID)
+            val id = it.getLong(idColumn)
+            val existsUri = ContentUris.withAppendedId(collection, id)
+            Log.v(TAG, "query: path: $imagePath exists uri: $existsUri")
+            return existsUri
+        }
+    }
+    return null
+}

app/src/main/java/com/heeeeka/card/utils/ShapeViewOutlineProvider.kt

@@ -0,0 +1,30 @@
+package com.heeeeka.card.utils
+
+import android.graphics.Outline
+import android.view.View
+import android.view.ViewOutlineProvider
+import kotlin.math.min
+
+class ShapeViewOutlineProvider {
+
+    class Round(var corner: Float) : ViewOutlineProvider() {
+        override fun getOutline(view: View, outline: Outline) {
+            outline.setRoundRect(
+                    0,
+                    0,
+                    view.width,
+                    view.height,
+                    corner
+            )
+        }
+    }
+
+    class Circle : ViewOutlineProvider() {
+        override fun getOutline(view: View, outline: Outline) {
+            val min = min(view.width, view.height)
+            val left = (view.width - min) / 2
+            val top = (view.height - min) / 2
+            outline.setOval(left, top, min, min)
+        }
+    }
+}

app/src/main/java/com/heeeeka/card/utils/ToastKtx.kt

@@ -0,0 +1,19 @@
+package com.heeeeka.card.utils
+
+import android.content.Context
+import android.widget.Toast
+
+
+fun Context.toast(message: Int, isLong: Boolean = false) {
+    toast(getString(message))
+}
+
+fun Context.toast(message: CharSequence, isLong: Boolean = false) {
+    Toast.makeText(
+        this, message, if (isLong) {
+            Toast.LENGTH_LONG
+        } else {
+            Toast.LENGTH_SHORT
+        }
+    ).show()
+}

app/src/main/java/com/heeeeka/card/utils/UiUtils.kt

@@ -0,0 +1,24 @@
+package com.heeeeka.card.utils
+
+import android.content.Context
+import android.util.TypedValue
+
+
+object UiUtils {
+
+    fun dip2px(context: Context, dpValue: Float): Int {
+        return (TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_DIP,
+            dpValue,
+            context.resources.displayMetrics
+        ) + 0.5f).toInt()
+    }
+
+    fun px2dip(context: Context, pxValue: Float): Float {
+        return TypedValue.applyDimension(
+            TypedValue.COMPLEX_UNIT_PX,
+            pxValue,
+            context.resources.displayMetrics
+        )
+    }
+}

app/src/main/java/com/heeeeka/card/utils/ViewKtx.kt

@@ -0,0 +1,25 @@
+package com.heeeeka.card.utils
+
+import android.os.Build
+import android.view.View
+
+
+fun <T : View> T.roundCorner(corner: Int) {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+        if (outlineProvider == null || outlineProvider !is ShapeViewOutlineProvider.Round) {
+            outlineProvider = ShapeViewOutlineProvider.Round(corner.toFloat())
+        } else if (outlineProvider != null && outlineProvider is ShapeViewOutlineProvider.Round) {
+            (outlineProvider as ShapeViewOutlineProvider.Round).corner = corner.toFloat()
+        }
+        clipToOutline = true
+    }
+}
+
+fun <T : View> T.circle() {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
+        if (outlineProvider == null || outlineProvider !is ShapeViewOutlineProvider.Circle) {
+            outlineProvider = ShapeViewOutlineProvider.Circle()
+        }
+        clipToOutline = true
+    }
+}

app/src/main/res/drawable/card_bg_select.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <stroke
+        android:width="1dp"
+        android:color="#FF431E" />
+
+    <corners android:radius="8dp" />
+
+</shape>

app/src/main/res/drawable/shape_e5e3e0_8dp.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="8dp" />
+    <solid android:color="#E5E3E0" />
+</shape>

app/src/main/res/drawable/shape_fff_18dp.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="18dp" />
+    <solid android:color="@color/white" />
+</shape>

app/src/main/res/drawable/shape_theme_btn_bg.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="8dp" />
+    <stroke
+        android:width="1dp"
+        android:color="#FFF1C9" />
+    <gradient
+        android:angle="270"
+        android:endColor="#FFCC95"
+        android:startColor="#FFF2E5" />
+</shape>

app/src/main/res/drawable/text_bg.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="10dp" />
+    <solid android:color="#B3BD8080" />
+    <stroke
+        android:width="1dp"
+        android:color="#B3FFF3EB" />
+</shape>

app/src/main/res/layout/card_bg_dialog.xml

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    tools:background="@color/black">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="40dp"
+        android:background="@drawable/shape_fff_18dp">
+
+        <TextView
+            android:id="@+id/tv_title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="18dp"
+            android:gravity="center"
+            android:text="@string/select_bg"
+            android:textColor="#370606"
+            android:textSize="16sp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/recyclerView"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="22dp"
+            android:layout_marginTop="10dp"
+            android:orientation="vertical"
+            app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
+            app:layout_constraintTop_toBottomOf="@id/tv_title"
+            app:spanCount="3" />
+
+        <TextView
+            android:id="@+id/tv_confirm"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_marginStart="28dp"
+            android:layout_marginTop="18dp"
+            android:layout_marginBottom="24dp"
+            android:background="@drawable/shape_theme_btn_bg"
+            android:gravity="center"
+            android:text="@string/confirm"
+            android:textColor="#7A4E1B"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintDimensionRatio="110:44"
+            app:layout_constraintEnd_toStartOf="@id/tv_cancel"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/recyclerView" />
+
+        <TextView
+            android:id="@+id/tv_cancel"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_marginStart="19dp"
+            android:layout_marginEnd="28dp"
+            android:background="@drawable/shape_e5e3e0_8dp"
+            android:gravity="center"
+            android:text="@string/cancel"
+            android:textColor="#85827F"
+            android:textSize="16sp"
+            app:layout_constraintDimensionRatio="110:44"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@id/tv_confirm"
+            app:layout_constraintTop_toTopOf="@id/tv_confirm" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</FrameLayout>

app/src/main/res/layout/card_bg_item.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_marginHorizontal="2dp"
+    android:layout_marginVertical="2dp">
+
+    <com.google.android.material.imageview.ShapeableImageView
+        android:id="@+id/iv_img"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:scaleType="centerCrop"
+        app:layout_constraintDimensionRatio="80:107"
+        app:layout_constraintTop_toTopOf="parent"
+        app:shapeAppearance="@style/shape_8dp"
+        tools:src="@drawable/card_bg_1" />
+
+    <ImageView
+        android:id="@+id/iv_border"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@drawable/card_bg_select"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="@id/iv_img"
+        app:layout_constraintEnd_toEndOf="@id/iv_img"
+        app:layout_constraintStart_toStartOf="@id/iv_img"
+        app:layout_constraintTop_toTopOf="@id/iv_img" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/card_display_dialog.xml

@@ -0,0 +1,103 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    tools:background="@color/black">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="40dp"
+        android:background="@drawable/shape_fff_18dp">
+
+        <TextView
+            android:id="@+id/tv_title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="18dp"
+            android:gravity="center"
+            android:text="@string/generated_card"
+            android:textColor="#370606"
+            android:textSize="16sp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <androidx.constraintlayout.widget.ConstraintLayout
+            android:id="@+id/layout_card"
+            android:layout_width="match_parent"
+            android:layout_height="0dp"
+            android:layout_marginHorizontal="28dp"
+            android:layout_marginTop="12dp"
+            app:cardCornerRadius="12dp"
+            app:cardElevation="0dp"
+            app:layout_constraintTop_toBottomOf="@id/tv_title"
+            tools:layout_constraintDimensionRatio="750:1624">
+
+            <ImageView
+                android:id="@+id/iv_card_bg"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:scaleType="centerCrop"
+                tools:src="@drawable/card_bg_1" />
+
+            <androidx.constraintlayout.widget.Guideline
+                android:id="@+id/line_text_top"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                app:layout_constraintGuide_percent="0.1" />
+
+            <TextView
+                android:id="@+id/tv_card_text"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_marginHorizontal="10dp"
+                android:gravity="center"
+                android:textColor="#FFF8E6"
+                android:textSize="24dp"
+                android:textStyle="bold"
+                android:translationZ="1px"
+                app:layout_constraintEnd_toEndOf="parent"
+                app:layout_constraintStart_toStartOf="parent"
+                app:layout_constraintTop_toTopOf="@id/line_text_top"
+                tools:text="Text" />
+
+        </androidx.constraintlayout.widget.ConstraintLayout>
+
+        <TextView
+            android:id="@+id/tv_save"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_marginTop="14dp"
+            android:layout_marginBottom="24dp"
+            android:background="@drawable/shape_theme_btn_bg"
+            android:gravity="center"
+            android:text="@string/save_photo_album"
+            android:textColor="#7A4E1B"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintDimensionRatio="110:44"
+            app:layout_constraintEnd_toStartOf="@id/tv_cancel"
+            app:layout_constraintStart_toStartOf="@id/layout_card"
+            app:layout_constraintTop_toBottomOf="@id/layout_card" />
+
+        <TextView
+            android:id="@+id/tv_cancel"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_marginStart="19dp"
+            android:background="@drawable/shape_e5e3e0_8dp"
+            android:gravity="center"
+            android:text="@string/cancel"
+            android:textColor="#85827F"
+            android:textSize="16sp"
+            app:layout_constraintDimensionRatio="110:44"
+            app:layout_constraintEnd_toEndOf="@id/layout_card"
+            app:layout_constraintStart_toEndOf="@id/tv_save"
+            app:layout_constraintTop_toTopOf="@id/tv_save" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</FrameLayout>

app/src/main/res/layout/card_firework_dialog.xml

@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    tools:background="@color/black">
+
+    <androidx.constraintlayout.widget.ConstraintLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginHorizontal="40dp"
+        android:background="@drawable/shape_fff_18dp">
+
+        <TextView
+            android:id="@+id/tv_title"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_marginTop="18dp"
+            android:gravity="center"
+            android:text="@string/select_firework"
+            android:textColor="#370606"
+            android:textSize="16sp"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toTopOf="parent" />
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/recyclerView"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginHorizontal="22dp"
+            android:layout_marginTop="10dp"
+            android:orientation="vertical"
+            app:layoutManager="androidx.recyclerview.widget.GridLayoutManager"
+            app:layout_constraintTop_toBottomOf="@id/tv_title"
+            app:spanCount="3" />
+
+        <TextView
+            android:id="@+id/tv_confirm"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_marginStart="28dp"
+            android:layout_marginTop="18dp"
+            android:layout_marginBottom="24dp"
+            android:background="@drawable/shape_theme_btn_bg"
+            android:gravity="center"
+            android:text="@string/confirm"
+            android:textColor="#7A4E1B"
+            android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintDimensionRatio="110:44"
+            app:layout_constraintEnd_toStartOf="@id/tv_cancel"
+            app:layout_constraintStart_toStartOf="parent"
+            app:layout_constraintTop_toBottomOf="@id/recyclerView" />
+
+        <TextView
+            android:id="@+id/tv_cancel"
+            android:layout_width="0dp"
+            android:layout_height="0dp"
+            android:layout_marginStart="19dp"
+            android:layout_marginEnd="28dp"
+            android:background="@drawable/shape_e5e3e0_8dp"
+            android:gravity="center"
+            android:text="@string/cancel"
+            android:textColor="#85827F"
+            android:textSize="16sp"
+            app:layout_constraintDimensionRatio="110:44"
+            app:layout_constraintEnd_toEndOf="parent"
+            app:layout_constraintStart_toEndOf="@id/tv_confirm"
+            app:layout_constraintTop_toTopOf="@id/tv_confirm" />
+
+    </androidx.constraintlayout.widget.ConstraintLayout>
+</FrameLayout>

app/src/main/res/layout/card_firework_item.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:layout_marginHorizontal="2dp"
+    android:layout_marginVertical="2dp">
+
+    <com.google.android.material.imageview.ShapeableImageView
+        android:id="@+id/iv_img"
+        android:background="#F0E7E7"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:scaleType="centerCrop"
+        app:layout_constraintDimensionRatio="1:1"
+        app:layout_constraintTop_toTopOf="parent"
+        app:shapeAppearance="@style/shape_8dp"
+        tools:src="@drawable/card_firework_1" />
+
+    <ImageView
+        android:id="@+id/iv_border"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@drawable/card_bg_select"
+        android:visibility="gone"
+        app:layout_constraintBottom_toBottomOf="@id/iv_img"
+        app:layout_constraintEnd_toEndOf="@id/iv_img"
+        app:layout_constraintStart_toStartOf="@id/iv_img"
+        app:layout_constraintTop_toTopOf="@id/iv_img" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/main_activity.xml

@@ -0,0 +1,117 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/layout_root"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/iv_card_bg"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:scaleType="centerCrop"
+        android:src="@drawable/card_bg_1" />
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/line_change_bg_top"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        app:layout_constraintGuide_percent="0.103" />
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/line_change_bg_start"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent="0.074" />
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/line_change_firework_end"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical"
+        app:layout_constraintGuide_percent="0.925" />
+
+    <TextView
+        android:id="@+id/tv_change_bg"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@drawable/shape_theme_btn_bg"
+        android:gravity="center"
+        android:text="@string/change_bg"
+        android:translationZ="1px"
+        app:layout_constraintDimensionRatio="118:48"
+        app:layout_constraintStart_toStartOf="@id/line_change_bg_start"
+        app:layout_constraintTop_toTopOf="@id/line_change_bg_top"
+        app:layout_constraintWidth_percent="0.314" />
+
+    <TextView
+        android:id="@+id/tv_change_firework"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@drawable/shape_theme_btn_bg"
+        android:gravity="center"
+        android:text="@string/change_firework"
+        android:translationZ="1px"
+        app:layout_constraintDimensionRatio="118:48"
+        app:layout_constraintEnd_toEndOf="@id/line_change_firework_end"
+        app:layout_constraintTop_toTopOf="@id/tv_change_bg"
+        app:layout_constraintWidth_percent="0.314" />
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/line_text_top"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        app:layout_constraintGuide_percent="0.27" />
+
+    <EditText
+        android:id="@+id/et_text"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@drawable/text_bg"
+        android:gravity="center"
+        android:hint="@string/text_hint"
+        android:maxLength="30"
+        android:textColor="#F0E6E6"
+        android:textColorHint="#F0E6E6"
+        android:textSize="16dp"
+        android:translationZ="1px"
+        app:layout_constraintDimensionRatio="298:54"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/line_text_top"
+        app:layout_constraintWidth_percent="0.794" />
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/line_refresh_top"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        app:layout_constraintGuide_percent="0.758" />
+
+    <TextView
+        android:id="@+id/iv_refresh"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@drawable/main_ic_light_fireworks"
+        android:translationZ="1px"
+        app:layout_constraintDimensionRatio="148:54"
+        app:layout_constraintStart_toStartOf="@id/tv_change_bg"
+        app:layout_constraintTop_toTopOf="@id/line_refresh_top"
+        app:layout_constraintWidth_percent="0.394" />
+
+    <TextView
+        android:id="@+id/iv_generate"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        android:background="@drawable/main_ic_generate"
+        android:translationZ="1px"
+        app:layout_constraintDimensionRatio="148:54"
+        app:layout_constraintEnd_toEndOf="@id/tv_change_firework"
+        app:layout_constraintTop_toTopOf="@id/iv_refresh"
+        app:layout_constraintWidth_percent="0.394" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,15 @@
+<resources>
+    <string name="app_name">賀卡生產器</string>
+
+    <string name="change_bg">更改背景</string>
+    <string name="change_firework">更改煙花</string>
+    <string name="text_hint">輸入你的祝福語</string>
+    <string name="select_bg">選擇背景</string>
+    <string name="confirm">確定</string>
+    <string name="cancel">取消</string>
+    <string name="generated_card">已生成賀卡</string>
+    <string name="save_photo_album">保存相冊</string>
+    <string name="select_firework">選擇煙花類型</string>
+    <string name="card_text_length_tips">祝福語太長</string>
+    <string name="permission_external_storage_denied">存储权限被禁止，为了正常使用该功能，请前往系统设置页手动开启</string>
+</resources>

app/src/main/res/values/styles.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+
+    <style name="shape_8dp">
+        <item name="cornerFamily">rounded</item>
+        <item name="cornerSize">8dp</item>
+    </style>
+</resources>

app/src/main/res/values/themes.xml

@@ -0,0 +1,33 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.Card" parent="Theme.AppCompat.Light">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+        <item name="android:windowNoTitle">true</item>
+        <item name="windowNoTitle">true</item>
+    </style>
+
+
+    <!--  基础弹窗  -->
+    <style name="base_dialog" parent="Theme.AppCompat.Dialog">
+        <item name="android:windowBackground">@android:color/transparent</item>
+        <item name="android:windowFrame">@null</item>
+        <item name="android:windowIsFloating">true</item>
+        <item name="android:backgroundDimAmount">0.3</item>
+        <item name="android:windowContentOverlay">@null</item>
+        <item name="android:windowAnimationStyle">@android:style/Animation.Dialog</item>
+        <item name="android:backgroundDimEnabled">true</item>
+        <item name="android:windowIsTranslucent">true</item>
+        <item name="android:windowNoTitle">true</item>
+    </style>
+
+</resources>

app/src/main/res/xml/backup_rules.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample backup rules file; uncomment and customize as necessary.
+   See https://developer.android.com/guide/topics/data/autobackup
+   for details.
+   Note: This file is ignored for devices older that API 31
+   See https://developer.android.com/about/versions/12/backup-restore
+-->
+<full-backup-content>
+    <!--
+   <include domain="sharedpref" path="."/>
+   <exclude domain="sharedpref" path="device.xml"/>
+-->
+</full-backup-content>

app/src/main/res/xml/data_extraction_rules.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+   Sample data extraction rules file; uncomment and customize as necessary.
+   See https://developer.android.com/about/versions/12/backup-restore#xml-changes
+   for details.
+-->
+<data-extraction-rules>
+    <cloud-backup>
+        <!-- TODO: Use <include> and <exclude> to control what is backed up.
+        <include .../>
+        <exclude .../>
+        -->
+    </cloud-backup>
+    <!--
+    <device-transfer>
+        <include .../>
+        <exclude .../>
+    </device-transfer>
+    -->
+</data-extraction-rules>

app/src/test/java/com/heeeeka/card/ExampleUnitTest.kt

@@ -0,0 +1,17 @@
+package com.heeeeka.card
+
+import org.junit.Test
+
+import org.junit.Assert.*
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * See [testing documentation](http://d.android.com/tools/testing).
+ */
+class ExampleUnitTest {
+    @Test
+    fun addition_isCorrect() {
+        assertEquals(4, 2 + 2)
+    }
+}

build.gradle

@@ -0,0 +1,5 @@
+// Top-level build file where you can add configuration options common to all sub-projects/modules.
+plugins {
+id 'com.android.application' version '8.2.1' apply false
+    id 'org.jetbrains.kotlin.android' version '1.9.22' apply false
+}

gradle.properties

@@ -0,0 +1,24 @@
+# Project-wide Gradle settings.
+# IDE (e.g. Android Studio) users:
+# Gradle settings configured through the IDE *will override*
+# any settings specified in this file.
+# For more details on how to configure your build environment visit
+# http://www.gradle.org/docs/current/userguide/build_environment.html
+# Specifies the JVM arguments used for the daemon process.
+# The setting is particularly useful for tweaking memory settings.
+org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
+# When configured, Gradle will run in incubating parallel mode.
+# This option should only be used with decoupled projects. More details, visit
+# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
+# org.gradle.parallel=true
+# AndroidX package structure to make it clearer which packages are bundled with the
+# Android operating system, and which are packaged with your app's APK
+# https://developer.android.com/topic/libraries/support-library/androidx-rn
+android.useAndroidX=true
+# Kotlin code style for this project: "official" or "obsolete":
+kotlin.code.style=official
+# Enables namespacing of each library's R class so that its R class includes only the
+# resources declared in the library itself and none from the library's dependencies,
+# thereby reducing the size of the R class for that library
+android.nonTransitiveRClass=true
+android.injected.testOnly=false

gradle/wrapper/gradle-wrapper.properties

@@ -0,0 +1,6 @@
+#Tue Mar 05 19:04:54 CST 2024
+distributionBase=GRADLE_USER_HOME
+distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.2-bin.zip
+zipStoreBase=GRADLE_USER_HOME
+zipStorePath=wrapper/dists

gradlew

@@ -0,0 +1,185 @@
+#!/usr/bin/env sh
+
+#
+# Copyright 2015 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      https://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+##############################################################################
+##
+##  Gradle start up script for UN*X
+##
+##############################################################################
+
+# Attempt to set APP_HOME
+# Resolve links: $0 may be a link
+PRG="$0"
+# Need this for relative symlinks.
+while [ -h "$PRG" ] ; do
+    ls=`ls -ld "$PRG"`
+    link=`expr "$ls" : '.*-> \(.*\)$'`
+    if expr "$link" : '/.*' > /dev/null; then
+        PRG="$link"
+    else
+        PRG=`dirname "$PRG"`"/$link"
+    fi
+done
+SAVED="`pwd`"
+cd "`dirname \"$PRG\"`/" >/dev/null
+APP_HOME="`pwd -P`"
+cd "$SAVED" >/dev/null
+
+APP_NAME="Gradle"
+APP_BASE_NAME=`basename "$0"`
+
+# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
+
+# Use the maximum available, or set MAX_FD != -1 to use that value.
+MAX_FD="maximum"
+
+warn () {
+    echo "$*"
+}
+
+die () {
+    echo
+    echo "$*"
+    echo
+    exit 1
+}
+
+# OS specific support (must be 'true' or 'false').
+cygwin=false
+msys=false
+darwin=false
+nonstop=false
+case "`uname`" in
+  CYGWIN* )
+    cygwin=true
+    ;;
+  Darwin* )
+    darwin=true
+    ;;
+  MINGW* )
+    msys=true
+    ;;
+  NONSTOP* )
+    nonstop=true
+    ;;
+esac
+
+CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
+
+
+# Determine the Java command to use to start the JVM.
+if [ -n "$JAVA_HOME" ] ; then
+    if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
+        # IBM's JDK on AIX uses strange locations for the executables
+        JAVACMD="$JAVA_HOME/jre/sh/java"
+    else
+        JAVACMD="$JAVA_HOME/bin/java"
+    fi
+    if [ ! -x "$JAVACMD" ] ; then
+        die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+    fi
+else
+    JAVACMD="java"
+    which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+
+Please set the JAVA_HOME variable in your environment to match the
+location of your Java installation."
+fi
+
+# Increase the maximum file descriptors if we can.
+if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
+    MAX_FD_LIMIT=`ulimit -H -n`
+    if [ $? -eq 0 ] ; then
+        if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
+            MAX_FD="$MAX_FD_LIMIT"
+        fi
+        ulimit -n $MAX_FD
+        if [ $? -ne 0 ] ; then
+            warn "Could not set maximum file descriptor limit: $MAX_FD"
+        fi
+    else
+        warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
+    fi
+fi
+
+# For Darwin, add options to specify how the application appears in the dock
+if $darwin; then
+    GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
+fi
+
+# For Cygwin or MSYS, switch paths to Windows format before running java
+if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
+    APP_HOME=`cygpath --path --mixed "$APP_HOME"`
+    CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
+    JAVACMD=`cygpath --unix "$JAVACMD"`
+
+    # We build the pattern for arguments to be converted via cygpath
+    ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
+    SEP=""
+    for dir in $ROOTDIRSRAW ; do
+        ROOTDIRS="$ROOTDIRS$SEP$dir"
+        SEP="|"
+    done
+    OURCYGPATTERN="(^($ROOTDIRS))"
+    # Add a user-defined pattern to the cygpath arguments
+    if [ "$GRADLE_CYGPATTERN" != "" ] ; then
+        OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
+    fi
+    # Now convert the arguments - kludge to limit ourselves to /bin/sh
+    i=0
+    for arg in "$@" ; do
+        CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
+        CHECK2=`echo "$arg"|egrep -c "^-"`                                 ### Determine if an option
+
+        if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then                    ### Added a condition
+            eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
+        else
+            eval `echo args$i`="\"$arg\""
+        fi
+        i=`expr $i + 1`
+    done
+    case $i in
+        0) set -- ;;
+        1) set -- "$args0" ;;
+        2) set -- "$args0" "$args1" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+    esac
+fi
+
+# Escape application args
+save () {
+    for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
+    echo " "
+}
+APP_ARGS=`save "$@"`
+
+# Collect all arguments for the java command, following the shell quoting and substitution rules
+eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
+
+exec "$JAVACMD" "$@"

gradlew.bat

@@ -0,0 +1,89 @@
+@rem
+@rem Copyright 2015 the original author or authors.
+@rem
+@rem Licensed under the Apache License, Version 2.0 (the "License");
+@rem you may not use this file except in compliance with the License.
+@rem You may obtain a copy of the License at
+@rem
+@rem      https://www.apache.org/licenses/LICENSE-2.0
+@rem
+@rem Unless required by applicable law or agreed to in writing, software
+@rem distributed under the License is distributed on an "AS IS" BASIS,
+@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+@rem See the License for the specific language governing permissions and
+@rem limitations under the License.
+@rem
+
+@if "%DEBUG%" == "" @echo off
+@rem ##########################################################################
+@rem
+@rem  Gradle startup script for Windows
+@rem
+@rem ##########################################################################
+
+@rem Set local scope for the variables with windows NT shell
+if "%OS%"=="Windows_NT" setlocal
+
+set DIRNAME=%~dp0
+if "%DIRNAME%" == "" set DIRNAME=.
+set APP_BASE_NAME=%~n0
+set APP_HOME=%DIRNAME%
+
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
+@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
+set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
+
+@rem Find java.exe
+if defined JAVA_HOME goto findJavaFromJavaHome
+
+set JAVA_EXE=java.exe
+%JAVA_EXE% -version >NUL 2>&1
+if "%ERRORLEVEL%" == "0" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:findJavaFromJavaHome
+set JAVA_HOME=%JAVA_HOME:"=%
+set JAVA_EXE=%JAVA_HOME%/bin/java.exe
+
+if exist "%JAVA_EXE%" goto execute
+
+echo.
+echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
+echo.
+echo Please set the JAVA_HOME variable in your environment to match the
+echo location of your Java installation.
+
+goto fail
+
+:execute
+@rem Setup the command line
+
+set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
+
+
+@rem Execute Gradle
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
+
+:end
+@rem End local scope for the variables with windows NT shell
+if "%ERRORLEVEL%"=="0" goto mainEnd
+
+:fail
+rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
+rem the _cmd.exe /c_ return code!
+if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
+exit /b 1
+
+:mainEnd
+if "%OS%"=="Windows_NT" endlocal
+
+:omega

settings.gradle

@@ -0,0 +1,17 @@
+pluginManagement {
+    repositories {
+        google()
+        mavenCentral()
+        gradlePluginPortal()
+    }
+}
+dependencyResolutionManagement {
+    repositoriesMode.set(RepositoriesMode.FAIL_ON_PROJECT_REPOS)
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+rootProject.name = "Card"
+include ':app'