每当我调用UploadActivity.java时,我都会收到java.lang.OutOfMemoryError
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)
UploadActivity.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; } }
Shakeeb Ayaz.. 68
您需要回收Bitmap对象.
Bitmap bm = BitmapFactory.decodeFile(strPath); imageView.setImageBitmap(bm);
在获取视图中的上面代码行之后,只需添加下面编写的代码///现在回收您的位图,这将在每次迭代时释放您的内存
if(bm!=null) { bm.recycle(); bm=null; }
在此之后如果你得到同样的错误了
替换下面的代码
Bitmap bm = BitmapFactory.decodeFile(strPath); imageView.setImageBitmap(bm);
同
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且更有效.但是,如果您计划将已调整大小的版本缓存在内存或磁盘上,则通常仍需要解码到最合适的图像尺寸以节省空间.
有关详细信息,请参阅有效加载大位图