android 从drawable-hdpi中获取图标显示在ImageView上
ImageView imageview = (ImageView) findViewById(R.id.xxx);
Drawable drawable = MainActivity.this.getResources().getDrawable(R.drawable.xxx.png);
imageview.setBackground(drawable);

android 从drawable-hdpi中获取图标显示在ImageView上
ImageView imageview = (ImageView) findViewById(R.id.xxx);
Drawable drawable = MainActivity.this.getResources().getDrawable(R.drawable.xxx.png);
imageview.setBackground(drawable);