public class ATActivity extends Activity {

 /** Called when the activity is first created. */  ImageView iv;

 @Override

 public void onCreate(Bundle savedInstanceState) {   super.onCreate(savedInstanceState);   setContentView(R.layout.main);   iv = (ImageView) findViewById(R.id.iv);   Bitmap bitmap = BitmapFactory.decodeResource(getResources(), R.drawable.bottle_day_bg);  //旋转 //  Matrix matrix = new Matrix(); //  matrix.setRotate(45); //  bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix,true); //  iv.setImageBitmap(bitmap);  //缩放   Matrix matrix=new Matrix();   //图像比例缩小50%   matrix.setScale(0.1f, 0.1f);   bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix,true);   iv.setImageBitmap(bitmap);   

 }

}