Android把view的画面转换为bitmap

核心提示：Java代码ImageView iv = (ImageView) findViewById(R.id.ImageView01);ImageView iv2 = (ImageView) findViewById(R.id.ImageView02);ImageView iv3 = (ImageView) findViewB

Java代码

ImageView iv = (ImageView) findViewById(R.id.ImageView01);

ImageView iv2 = (ImageView) findViewById(R.id.ImageView02);

ImageView iv3 = (ImageView) findViewById(R.id.ImageView03);

//draw的方式对整屏截取，但信息栏为黑色

View cv = getWindow().getDecorView();

Bitmap b = Bitmap.createBitmap(200, 200, Bitmap.Config.RGB_565);

cv.draw(new Canvas(b));

iv.setImageBitmap(b);

//对隐藏的未画过的对象，截出的是黑色

Bitmap image = Bitmap.createBitmap(200, 200, Bitmap.Config.RGB_565);

bt3.draw(new Canvas(image));

iv2.setImageBitmap(image);

//get drawable cache , bitmap to drawable

bt4.setDrawingCacheEnabled(true);

Bitmap bitmap = bt4.getDrawingCache();

Drawable drawable = (Drawable) new BitmapDrawable(bitmap);

iv3.setBackgroundDrawable(drawable);