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android.view.WindowLeaked

Posted by: admin April 23, 2020 Leave a comment

Questions:
inviteBu.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub
            if(ChoiceList.size()>0)
             {

                    LayoutInflater factory = LayoutInflater.from(MobileConnectActivity.this);
                    final View textEntryView = factory.inflate(R.layout.invite_dialog, null);
                    final EditText et =(EditText) textEntryView.findViewById(R.id.usercontent_edit);

                   dia= new AlertDialog.Builder(MobileConnectActivity.this)
                        .setTitle(getString(R.string.invite_input_content))
                        .setView(textEntryView)
                        .setPositiveButton(getString(R.string.invite_send), new DialogInterface.OnClickListener() {
                            public void onClick(final DialogInterface dialog, int whichButton) {
                                dialog.dismiss();
                                 if(et.getText().toString()==null && et.getText().equals("") )
                                {
                                    Toast.makeText(getApplicationContext(), getString(R.string.invite_content_check), Toast.LENGTH_SHORT).show();
                                }
                                 else{


                                     new AsyncTask<Void, Void, String>() {

                                         CustomDialog mProgressBar = new CustomDialog(MobileConnectActivity.this, R.style.dialog);

                                        protected void onPreExecute() {

                                            mProgressBar.show();
                                        };

                                        protected void onCancelled() {
                                            mProgressBar.hide();
                                        };

                                        @Override
                                        protected String doInBackground(Void... params) {

                                                ChoiceList=removeDuplicateList(ChoiceList);
                                                for(int i=0;i<ChoiceList.size();i++)
                                                {
                                                    Log.i("aaa",""+ChoiceList.get(i));
                                                    sendSMS(ChoiceList.get(i), et.getText().toString());
                                                }
                                            return "OK";
                                        }

                                        protected void onPostExecute(String response) {
                                            mProgressBar.hide();

                                            if (response != null ) {

                                                 Toast.makeText(getApplicationContext(), getString(R.string.invite_succeed), Toast.LENGTH_SHORT).show();
                                                 Intent intent = new Intent();
                                                    intent.setClass(MobileConnectActivity.this, inviteMainActivity.class);
                                                    startActivity(intent);

                                                MobileConnectActivity.this.finish();
                                            } else {
                                                //mHelper.showResponseErrorMessage(response);
                                                Intent intent = new Intent();
                                                intent.setClass(MobileConnectActivity.this, inviteMainActivity.class);
                                                startActivity(intent);
                                                finish();
                                            }

                                        };

                                    }.execute();

                                 }

                            }
                        })
                        .setNegativeButton(getString(R.string.invite_cancel), new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int whichButton) {

                                /* User clicked cancel so do some stuff */
                            }
                        }).show();

             }
            else
            {
                Toast.makeText(getApplicationContext(), getString(R.string.invite_choice_check), Toast.LENGTH_SHORT).show();
            }
        }
    });

it give me :

07-21 03:36:24.519: E/WindowManager(23240): Activity com.portaura.myaura.invite.MobileConnectActivity has leaked window [email protected] that was originally added here
07-21 03:36:24.519: E/WindowManager(23240): android.view.WindowLeaked: Activity com.portaura.myaura.invite.MobileConnectActivity has leaked window [email protected] that was originally added here
07-21 03:36:24.519: E/WindowManager(23240):     at android.view.ViewRoot.<init>(ViewRoot.java:266)
07-21 03:36:24.519: E/WindowManager(23240):     at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:174)
07-21 03:36:24.519: E/WindowManager(23240):     at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:117)
07-21 03:36:24.519: E/WindowManager(23240):     at android.view.Window$LocalWindowManager.addView(Window.java:424)
07-21 03:36:24.519: E/WindowManager(23240):     at android.app.Dialog.show(Dialog.java:241)
07-21 03:36:24.519: E/WindowManager(23240):     at com.portaura.myaura.invite.MobileConnectActivity$3$1$1.onPreExecute(MobileConnectActivity.java:161)
07-21 03:36:24.519: E/WindowManager(23240):     at android.os.AsyncTask.execute(AsyncTask.java:391)
07-21 03:36:24.519: E/WindowManager(23240):     at com.portaura.myaura.invite.MobileConnectActivity$3$1.onClick(MobileConnectActivity.java:201)
07-21 03:36:24.519: E/WindowManager(23240):     at com.android.internal.app.AlertController$ButtonHandler.handleMessage(AlertController.java:165)
07-21 03:36:24.519: E/WindowManager(23240):     at android.os.Handler.dispatchMessage(Handler.java:99)
07-21 03:36:24.519: E/WindowManager(23240):     at android.os.Looper.loop(Looper.java:130)
07-21 03:36:24.519: E/WindowManager(23240):     at java.lang.reflect.Method.invokeNative(Native Method)
07-21 03:36:24.519: E/WindowManager(23240):     at java.lang.reflect.Method.invoke(Method.java:507)
How to&Answers:

Window leaked exceptions are usually caused by dialogs which are not dismissed properly.
ie if you are planning to dismiss a dialog in Onpostexecute of asynctask and the activity that created it has ended it will throw a window leak. Make sure you dimisss dialog in onPause of the activity.

Answer:

Whenever you initiate a ProgressDialog, that should be dismissed properly after the background task gets done, or even cancellation of the background running task. So,

instead of mProgressBar.hide(); use mProgressBar.dismiss();

you will not get android.view.WindowLeaked error

hope this helps

Answer:

Check if you are using finish() function before the mDialog.show() function. If it is remove the finish() and add it after the show().

Answer:

Another scenario where this error occurs is when the app crushes while a dialog is shown. Look above this error for additional errors.

Answer:

whren you miss this code : mProgressDialog.dismis(); that time may be you will receive this type of error.

Answer:

In onStop() or onDestroy() callback, dismiss the dialog using dialogName.dismiss();

Also do a null check. That is:

if (dialogName != null) {
    dialogName.dismiss();
}

Answer:

The problem is AsyncTask.

new AsyncTask<Void, Void, String>() {

    CustomDialog mProgressBar = new CustomDialog(MobileConnectActivity.this, R.style.dialog);
    .... 
}

You create a progress bar inside async task which makes a problem when you move to another activity.

For this before dismiss or show()

if(!isFinishing() && dialog != null) { dialog.dismiss();}

Usage of isFinishing()

 * Check to see whether this activity is in the process of finishing,
 * either because you called {@link #finish} on it or someone else
 * has requested that it finished.  This is often used in
 * {@link #onPause} to determine whether the activity is simply pausing or
 * completely finishing.
 *
 * @return If the activity is finishing, returns true; else returns false.

Answer:

Simply dismissing the dialog was not enough to get rid of the error for me. It turns out my code was holding onto a reference to the dialog even after it was dismissed. The key for me was to set that reference to null after dismissing the dialog.

Answer:

The problem for me was happening because I used the android:noHistory="true" for the activity that was causing the problem, and it only happened on Android 6.0 API 23.