Question

您好我想在我的视图中显示存储在SD卡中的3或4个图像，图像大小约为1-2 MB。我的问题是当我在imageview中使用image然后它会抛出内存异常我在将图像解码为位图时创建了位和传递选项

02-26 13:16:54.946: ERROR/dalvikvm-heap(23410): 15980544-byte external allocation too large for this process.
02-26 13:16:54.946: ERROR/dalvikvm(23410): Out of memory: Heap Size=3407KB, Allocated=2801KB, Bitmap Size=15630KB, Limit=21884KB
02-26 13:16:54.946: ERROR/dalvikvm(23410): Trim info: Footprint=3463KB, Allowed Footprint=3655KB, Trimmed=248KB
02-26 13:16:54.946: ERROR/GraphicsJNI(23410): VM won't let us allocate 15980544 bytes
02-26 13:16:54.986: ERROR/AndroidRuntime(23410): FATAL EXCEPTION: main
02-26 13:16:54.986: ERROR/AndroidRuntime(23410): java.lang.OutOfMemoryError: bitmap size exceeds VM budget
02-26 13:16:54.986: ERROR/AndroidRuntime(23410):     at android.graphics.BitmapFactory.nativeDecodeFile(Native Method)
02-26 13:16:54.986: ERROR/AndroidRuntime(23410):     at android.graphics.BitmapFactory.decodeFile(BitmapFactory.java:325)

任何人都可以帮助我解决我的问题提前谢谢

Answer 1

我找到了问题的解决方案，有我的代码：

BitmapFactory.Options options = new BitmapFactory.Options();
options.inTempStorage = new byte[24*1024];  
options.inJustDecodeBounds = false;
options.inSampleSize=32;     
bmp1=BitmapFactory.decodeFile(filepath1,options);  
Bitmap b1=ThumbnailUtils.extractThumbnail(bmp1,30, 30);  
iv1.setImageBitmap(b);  
 if(bmp1!=null){  
   bmp1.recycle();
   }  
         bmp1=BitmapFactory.decodeFile(filepath1,options);
 Bitmap b2=ThumbnailUtils.extractThumbnail(bmp1,30, 30);  
 iv2.setImageBitmap(b2);  
if(bmp1!=null){  
 bmp1.recycle();
 }

类似地，我将它用于四个图像视图并设置图像而没有OOM异常

Answer 2

创建一个BitmapFactory.Options并在inSampleSize中传递一个值＆gt; 1（最好是2的幂），以便在加载时缩小图像。

如何在android中压缩imageview的图像

2 个答案: