菜鸟也能解决android中的OOM问题

只要你记住下面几个原则，在android 中处理图片的OOM问题绝对是easy之极：

1.超大图片要按比例压缩之后才做显示，退出当前activity 必须回收

    public static Bitmap decodeSampledBitmapFromResource(Resources res, int resId,  
            int reqWidth, int reqHeight) {  
      
        // First decode with inJustDecodeBounds=true to check dimensions  
        final BitmapFactory.Options options = new BitmapFactory.Options();  
        options.inJustDecodeBounds = true;  
        BitmapFactory.decodeResource(res, resId, options);  
      
        // Calculate inSampleSize  
        options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);  
      
        // Decode bitmap with inSampleSize set  
        options.inJustDecodeBounds = false;  
        return BitmapFactory.decodeResource(res, resId, options);  
    }  

if (bitmap != null && !bitmap.isRecycled()) {
                    bitmap.recycle();
                    bitmap = null;
}

if (bitmap != null && !bitmap.isRecycled()) {
                    bitmap.recycle();
                    bitmap = null;
}

3.大量的小图 或者不同size的图片要展示，请参看我的另外一篇LRU算法缓存图片的：http://blog.csdn.net/androidzhaoxiaogang/article/details/8211649