我正进入(状态java.lang.OutOfMemoryError,每当我打电话时上传活动.java
第 176 行是:
Bitmap bm = BitmapFactory.decodeFile(strPath);
查看我的日志:
12-07 17:57:10.585: E/AndroidRuntime(16708): FATAL EXCEPTION: main
12-07 17:57:10.585: E/AndroidRuntime(16708): java.lang.OutOfMemoryError
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.graphics.BitmapFactory.nativeDecodeStream(Native Method)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:650)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.graphics.BitmapFactory.decodeFile(BitmapFactory.java:389)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.graphics.BitmapFactory.decodeFile(BitmapFactory.java:449)
12-07 17:57:10.585: E/AndroidRuntime(16708): at com.example.camera.UploadActivity$ImageAdapter.getView(UploadActivity.java:176)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.AbsListView.obtainView(AbsListView.java:2465)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.ListView.makeAndAddView(ListView.java:1775)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.ListView.fillDown(ListView.java:678)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.ListView.fillFromTop(ListView.java:739)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.ListView.layoutChildren(ListView.java:1628)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.AbsListView.onLayout(AbsListView.java:2300)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.View.layout(View.java:14063)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.ViewGroup.layout(ViewGroup.java:4607)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.RelativeLayout.onLayout(RelativeLayout.java:948)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.View.layout(View.java:14063)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.ViewGroup.layout(ViewGroup.java:4607)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.View.layout(View.java:14063)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.ViewGroup.layout(ViewGroup.java:4607)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.LinearLayout.setChildFrame(LinearLayout.java:1655)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.LinearLayout.layoutVertical(LinearLayout.java:1513)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.LinearLayout.onLayout(LinearLayout.java:1426)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.View.layout(View.java:14063)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.ViewGroup.layout(ViewGroup.java:4607)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.widget.FrameLayout.onLayout(FrameLayout.java:448)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.View.layout(View.java:14063)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.ViewGroup.layout(ViewGroup.java:4607)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.ViewRootImpl.performLayout(ViewRootImpl.java:1996)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1817)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1114)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4520)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:725)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.Choreographer.doCallbacks(Choreographer.java:555)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.Choreographer.doFrame(Choreographer.java:525)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:711)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.os.Handler.handleCallback(Handler.java:615)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.os.Handler.dispatchMessage(Handler.java:92)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.os.Looper.loop(Looper.java:137)
12-07 17:57:10.585: E/AndroidRuntime(16708): at android.app.ActivityThread.main(ActivityThread.java:4921)
12-07 17:57:10.585: E/AndroidRuntime(16708): at java.lang.reflect.Method.invokeNative(Native Method)
12-07 17:57:10.585: E/AndroidRuntime(16708): at java.lang.reflect.Method.invoke(Method.java:511)
12-07 17:57:10.585: E/AndroidRuntime(16708): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1036)
12-07 17:57:10.585: E/AndroidRuntime(16708): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:803)
12-07 17:57:10.585: E/AndroidRuntime(16708): at dalvik.system.NativeStart.main(Native Method)
上传活动.java:-
public class ImageAdapter extends BaseAdapter
{
private Context context;
public ImageAdapter(Context c)
{
// TODO Auto-generated method stub
context = c;
}
public int getCount() {
// TODO Auto-generated method stub
return ImageList.size();
}
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
public View getView(final int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
LayoutInflater inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
if (convertView == null) {
convertView = inflater.inflate(R.layout.list_upload, null);
}
// ColImgName
TextView txtName = (TextView) convertView.findViewById(R.id.ColImgName);
strPath = ImageList.get(position).toString();
// Get File Name
fileName = strPath.substring( strPath.lastIndexOf('/')+1, strPath.length() );
File file = new File(strPath);
@SuppressWarnings("unused")
long length = file.length();
txtName.setText(fileName);
// Image Resource
ImageView imageView = (ImageView) convertView.findViewById(R.id.ColImgPath);
Bitmap bm = BitmapFactory.decodeFile(strPath);
imageView.setImageBitmap(bm);
// ColStatus
final ImageView txtStatus = (ImageView) convertView.findViewById(R.id.ColStatus);
txtStatus.setImageResource(R.drawable.bullet_button);
// progressBar
final ProgressBar progress = (ProgressBar) convertView.findViewById(R.id.progressBar);
progress.setVisibility(View.GONE);
//btnUpload
final ImageButton btnUpload = (ImageButton) convertView.findViewById(R.id.btnUpload);
btnUpload.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
// Upload
btnUpload.setEnabled(false);
startUpload(position);
}
});
return convertView;
}
}
您需要回收 Bitmap 对象。
Bitmap bm = BitmapFactory.decodeFile(strPath);
imageView.setImageBitmap(bm);
在获取视图中的上述代码行之后,只需添加下面编写的代码
///现在回收你的位图,这将在每次迭代时释放你的内存
if(bm!=null)
{
bm.recycle();
bm=null;
}
在此之后,如果您遇到同样的错误
替换下面的代码
Bitmap bm = BitmapFactory.decodeFile(strPath);
imageView.setImageBitmap(bm);
with
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inSampleSize = 8;
Bitmap bm = BitmapFactory.decodeFile(strPath,options);
imageView.setImageBitmap(bm);
使用 inSampleSize 将比例位图加载到内存。对 inSampleSize 值使用 2 的幂对于解码器来说更快、更高效。但是,如果您计划将调整大小的版本缓存在内存或磁盘上,通常仍然值得解码为最合适的图像尺寸以节省空间。
更多内容请参见加载中高效地处理大位图 http://developer.android.com/training/displaying-bitmaps/load-bitmap.html
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