...

app/src/main/java/com/base/browserwhite/ui/activity/scanqrc/ScanQRCActivity.kt

@@ -2,6 +2,7 @@ package com.base.browserwhite.ui.activity.scanqrc
 
 import android.Manifest
 import android.graphics.Color
+import androidx.activity.addCallback
 import androidx.camera.core.AspectRatio
 import androidx.camera.core.Camera
 import androidx.camera.core.CameraSelector
@@ -39,6 +40,9 @@ class ScanQRCActivity : BaseActivity<ActivityScanQrcBinding>() {
         BarUtils.setStatusBarColor(this, Color.TRANSPARENT)
         binding.root.updatePadding(top = BarUtils.getStatusBarHeight())
 
+        binding.ivQrc.overlay
+
+
         if (checkCameraPermission()) {
             initCamera()
         } else {
@@ -55,6 +59,17 @@ class ScanQRCActivity : BaseActivity<ActivityScanQrcBinding>() {
         }
     }
 
+    override fun initListener() {
+        super.initListener()
+        onBackPressedDispatcher.addCallback {
+            finishToMain()
+        }
+        binding.ivGuanbi.setOnClickListener {
+            onBackPressedDispatcher.onBackPressed()
+        }
+
+    }
+
     private fun initCamera() {
         cameraExecutor = Executors.newSingleThreadExecutor()
 

app/src/main/java/com/base/browserwhite/ui/views/TransparentSrcInImageView.kt

+package com.base.browserwhite.ui.views
+
+import android.content.Context
+import android.graphics.Bitmap
+import android.graphics.Canvas
+import android.graphics.Paint
+import android.graphics.PorterDuff
+import android.graphics.PorterDuffXfermode
+import android.graphics.drawable.BitmapDrawable
+import android.graphics.drawable.Drawable
+import android.util.AttributeSet
+import androidx.appcompat.widget.AppCompatImageView
+
+
+class TransparentSrcInImageView : AppCompatImageView {
+
+    private lateinit var paint: Paint
+
+    constructor(context: Context) : super(context) {
+        intiPorterDuffMode()
+    }
+
+    constructor(context: Context, attrs: AttributeSet?) : super(context, attrs) {
+        intiPorterDuffMode()
+    }
+
+    constructor(context: Context, attrs: AttributeSet?, defStyleAttr: Int) : super(context, attrs, defStyleAttr) {
+        intiPorterDuffMode()
+    }
+
+    private fun intiPorterDuffMode() {
+        // 设置混合模式
+        val xfermode = PorterDuffXfermode(PorterDuff.Mode.SRC_IN)
+        paint = Paint()
+        paint.setXfermode(xfermode)
+        setLayerType(LAYER_TYPE_SOFTWARE, paint) // 需要软件绘制
+    }
+
+    override fun onDraw(canvas: Canvas) {
+        // 先绘制背景（如果有）
+        super.onDraw(canvas)
+
+        // 绘制图片，使用自定义的混合模式
+        drawBitmap(canvas)
+    }
+
+    private fun drawBitmap(canvas: Canvas) {
+
+        val drawable = getDrawable()
+        val bitmap = drawableToBitmap(drawable)
+        if (bitmap != null) {
+            canvas.drawBitmap(bitmap, 0f, 0f, paint)
+        }
+    }
+
+    private fun drawableToBitmap(drawable: Drawable): Bitmap? {
+        if (drawable is BitmapDrawable) {
+            return drawable.bitmap
+        }
+        var bitmap: Bitmap? = null
+        try {
+            bitmap = Bitmap.createBitmap(drawable.intrinsicWidth, drawable.intrinsicHeight, Bitmap.Config.ARGB_8888)
+            val canvas = Canvas(bitmap)
+            drawable.setBounds(0, 0, canvas.width, canvas.height)
+            drawable.draw(canvas)
+        } catch (e: Exception) {
+            e.printStackTrace()
+        }
+        return bitmap
+    }
+
+
+}
\ No newline at end of file

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

+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <item android:drawable="@mipmap/s_shoudiant_s" android:state_selected="true" />
+    <item android:drawable="@mipmap/s_shoudiant_n" android:state_selected="false" />
+</selector>
\ No newline at end of file

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

@@ -12,4 +12,43 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
 
+    <ImageView
+        android:id="@+id/iv_guanbi"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="50dp"
+        android:layout_marginEnd="16dp"
+        android:src="@mipmap/w_guanbi"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:ignore="ContentDescription" />
+
+    <ImageView
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:background="@color/black_a_70"
+        tools:ignore="ContentDescription" />
+
+    <com.base.browserwhite.ui.views.TransparentSrcInImageView
+        android:id="@+id/iv_qrc"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:src="@mipmap/waikuang"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:ignore="ContentDescription" />
+
+    <ImageView
+        android:id="@+id/iv_shoudian"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="35dp"
+        android:background="@drawable/bg_shoudian_selector"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/iv_qrc"
+        tools:ignore="ContentDescription" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file

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

@@ -2,4 +2,5 @@
 <resources>
     <color name="black">#FF000000</color>
     <color name="white">#FFFFFFFF</color>
+    <color name="black_a_70">#B3000000</color>
 </resources>
\ No newline at end of file