java.lang.OutOfMemoryError - BitmapFactory.decode(strPath) [英] java.lang.OutOfMemoryError - BitmapFactory.decode(strPath)
本文介绍了java.lang.OutOfMemoryError - BitmapFactory.decode(strPath)的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
每当我调用 UploadActivity.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)
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;
}
}
推荐答案
您需要回收位图对象.
Bitmap bm = BitmapFactory.decodeFile(strPath);
imageView.setImageBitmap(bm);
在您的 get 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
After above lines of code in your get view just add the code written below ///now recycle your bitmap this will free up your memory on every iteration
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);
与
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中.对 inSampleSize 值使用 2 的幂对解码器来说更快、更有效.但是，如果您打算将调整后的版本缓存在内存或磁盘中，通常仍然值得解码为最合适的图像尺寸以节省空间.
Use inSampleSize to load scales bitmaps to memory. Using powers of 2 for inSampleSize values is faster and more efficient for the decoder. However, if you plan to cache the resized versions in memory or on disk, it’s usually still worth decoding to the most appropriate image dimensions to save space.
有关更多信息，请参阅有效地加载大位图
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