$在.hprof文件Android Studio中是什么意思

概述初始化Gc并单击androidstudio监视器中的转储Java堆后,将出现以下图像：DialogFrag$1之类的DialogFrag类旁边的$是什么意思？(DialogFrag只是扩展Dialogfragment的类)我应该只有一个此类的实例,但是正如您可以在DialogFrag$1旁边看到的那样,总数为7,这是否意味着我有内存泄漏？编

初始化Gc并单击android studio监视器中的转储Java堆后,将出现以下图像：

DialogFrag $1之类的DialogFrag类旁边的$是什么意思？ (DialogFrag只是扩展Dialogfragment的类)

我应该只有一个此类的实例,但是正如您可以在DialogFrag $1旁边看到的那样,总数为7,这是否意味着我有内存泄漏？

编辑：这是我的对话框片段类

public class DialogFrag extends DialogFragment {     AsyncTask<VoID,VoID,VoID> asyncTask;        @OverrIDe        public Dialog onCreateDialog(Bundle savedInstanceState) { AlertDialog.Builder alertdialog=new AlertDialog.Builder(getActivity());            alertdialog.setTitle("Solution:");            VIEw vIEw = getActivity().getLayoutInflater().inflate(R.layout.dialogfrag,null);            final MyVIEw myvIEw= (MyVIEw) vIEw.findVIEwByID(R.ID.myvIEw);            myvIEw.setVisibility(VIEw.INVISIBLE);   alertdialog.setVIEw(vIEw);  asyncTask=new AsyncTask<VoID, VoID, VoID>() {                @OverrIDe                protected voID doInBackground(VoID... voIDs) {                     //compute something here                }                @OverrIDe                protected voID onPostExecute(VoID param) {                    super.onPostExecute(param);                                         getDialog().findVIEwByID(R.ID.progress).setVisibility(VIEw.GONE);                    myvIEw.setVisibility(VIEw.VISIBLE);                }            });            asyncTask.execute();            alertdialog.setPositivebutton("SHOW", new DialogInterface.OnClickListener() {                @OverrIDe                public voID onClick(DialogInterface dialogInterface, int i) {                  if(!(asyncTask.getStatus()== AsyncTask.Status.FINISHED)){                        asyncTask.cancel(true);                    }                    asyncTask=null;                    dismiss();                }            });            alertdialog.setNegativebutton("Cancel", new DialogInterface.OnClickListener() {                @OverrIDe                public voID onClick(DialogInterface dialogInterface, int i) {                    if(!(asyncTask.getStatus()== AsyncTask.Status.FINISHED)){                        asyncTask.cancel(true);                    }                    asyncTask=null;                    dismiss();                }            });            Dialog dialog=alertdialog.create();            dialog.getwindow().getAttributes().windowAnimations = R.style.MyDialogVIEwAnimation;            return dialog;        }        @OverrIDe        public VIEw onCreateVIEw(LayoutInflater inflater, VIEwGroup container, Bundle savedInstanceState) {            getDialog().getwindow().setGravity(Gravity.CENTER_HORIZONTAL | Gravity.top);            getDialog().requestwindowFeature(Window.FEATURE_NO_Title);            return super.onCreateVIEw(inflater, container, savedInstanceState);        }

解决方法:

what does the $next to the class DialogFrag like in DialogFrag$1 means ?

$number表示匿名内部类,例如new.VIEw.OnClickListener(){…}.

but as you can see next to DialogFrag$1 the total count is 7 , does this mean i have memory leak?

也许,您将手机旋转了七次吗？

请记住以适当的生命周期方法取消注册侦听器和broadcastReceivers.尽量避免使用静态字段.

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