代码实现方式:(布局的背景图较大,,可能在内存吃紧的时候造成oom或者奔溃,以最省内存的方式读取本地资源的图片)
relativeLayout_getprize = (RelativeLayout) findViewById(R.id.relativeLayout_getprize);Bitmap readBitMap = BitmapUtil.readBitMap(this, R.drawable.zjbj);Drawable drawable = new BitmapDrawable(readBitMap);relativeLayout_getprize.setBackgroundDrawable(drawable);
工具类用到:
/*** 以最省内存的方式读取本地资源的图片* @param context* @param resId* @return*/public static Bitmap readBitMap(Context context, int resId) {BitmapFactory.Options opt = new BitmapFactory.Options();opt.inPreferredConfig = Bitmap.Config.RGB_565;opt.inPurgeable = true;opt.inInputShareable = true;// 获取资源图片InputStream is = context.getResources().openRawResource(resId);return BitmapFactory.decodeStream(is, null, opt);}
你的选择是做或不做,但不做就永远不会有机会