获取其他程序的特定资源

try
{
    PackageManager manager = getPackageManager();
    Resources resources = manager.getResourcesForApplication("com.example.packagename");
    int resId = resources.getIdentifier("drawable_id", "drawable", "com.example.packagename");

    Drawable myDrawable = resources.getDrawable(resId);

    // Do something
}
catch (Exception e)
{
    e.printStackTrace();
}