Android Bit地图 内存溢出解决方法

//解决内存溢出情况	private void SetImageSize(String path,ImageView imageView){		BitmapFactory.Options opt = new BitmapFactory.Options();         //这个isjustdecodebounds很重要                        opt.inJustDecodeBounds = true;        Bitmap bm = BitmapFactory.decodeFile(path, opt);                 //获取到这个图片的原始宽度和高度         int picWidth  = opt.outWidth;         int picHeight = opt.outHeight;                 //获取屏的宽度和高度         WindowManager windowManager = ((Activity) context).getWindowManager();         Display display = windowManager.getDefaultDisplay();         int screenWidth = display.getWidth();         int screenHeight = display.getHeight();                  //isSampleSize是表示对图片的缩放程度，比如值为2图片的宽度和高度都变为以前的1/2         opt.inSampleSize = 1;         //根据屏的大小和图片大小计算出缩放比例         if(picWidth > picHeight){                 if(picWidth > screenWidth)                         opt.inSampleSize = picWidth/screenWidth;         }         else{                 if(picHeight > screenHeight)                         opt.inSampleSize = picHeight/screenHeight;         }                  //这次再真正地生成一个有像素的，经过缩放了的bitmap         opt.inJustDecodeBounds = false;         bm = BitmapFactory.decodeFile(path, opt);                  //用imageview显示出bitmap         imageView.setImageBitmap(bm);	}

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