private ImageView iv1;
private ImageView iv2;
private ImageView iv3;
@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_second);
iv1=findViewById(R.id.iv1);
iv2=findViewById(R.id.iv2);
iv3=findViewById(R.id.iv3);
Bitmap image = ((BitmapDrawable)iv1.getDrawable()).getBitmap();
Bitmap resizedBitmap = Bitmap.createBitmap(image, 100, 100, 400,400);
iv2.setImageBitmap(resizedBitmap);
iv3.setImageBitmap(Bitmap.createBitmap(image,500,100,800,500));
}
学习资料
https://www.jianshu.com/p/da10fcc9d0c4
