将图像加载到gridview android时出错

Question

  

可能重复：
  java.lang.OutOfMemoryError: bitmap size exceeds VM budget - Android

将图像加载到网格视图时发生以下错误。

java.lang.OutOfMemoryError：位图大小超过VM预算

请帮帮我。有没有解决这个错误的方法。

Answer 1

试试这个

public static Bitmap decodeFile(File f,int WIDTH,int HIGHT){
        try {
            //Decode image size
            BitmapFactory.Options o = new BitmapFactory.Options();
            o.inJustDecodeBounds = true;
            BitmapFactory.decodeStream(new FileInputStream(f),null,o);

            //The new size we want to scale to
            final int REQUIRED_WIDTH=WIDTH;
            final int REQUIRED_HIGHT=HIGHT;
            //Find the correct scale value. It should be the power of 2.
            int scale=1;
            while(o.outWidth/scale/2>=REQUIRED_WIDTH && o.outHeight/scale/2>=REQUIRED_HIGHT)
                scale*=2;

            //Decode with inSampleSize
            BitmapFactory.Options o2 = new BitmapFactory.Options();
            o2.inSampleSize=scale;
            return BitmapFactory.decodeStream(new FileInputStream(f), null, o2);
        }
            catch (FileNotFoundException e) {}


        return null;
    }

这将根据您传递的宽度和高度缩放位图。