Android Drawable转BitmapDrawable再提取Bitmap,Kotlin
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<ImageView
android:id="@+id/img1"
android:layout_width="match_parent"
android:layout_height="100dp"
android:scaleType="centerInside" />
<ImageView
android:id="@+id/img2"
android:layout_width="match_parent"
android:layout_height="100dp"
android:scaleType="centerInside" />
</LinearLayout>
setContentView(R.layout.two_image)
val img1 = findViewById<ImageView>(R.id.img1)
img1.setImageResource(android.R.drawable.ic_dialog_alert)
val drawable = img1.drawable
val bitmapDrawable = drawable as? BitmapDrawable
val bmp = bitmapDrawable?.bitmap
val img2 = findViewById<ImageView>(R.id.img2)
img2.setImageBitmap(bmp)
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