On clicking quit button on alert dialog shows MainActivity

Question

onBackPressed shows the alertDialog. On clicking the quit button it shows the Main Activity. Again when back key is pressed alertDialog is shown but this time on clicking quit button closes the application. What am I missing?

Here is the OpenExitDialog() Code.

public void OpenExitDialog()    {

    try {
        com.heyzap.sdk.ads.InterstitialAd.fetch();
        if (com.heyzap.sdk.ads.InterstitialAd.isAvailable()) {
            com.heyzap.sdk.ads.InterstitialAd.display(MainActivity.this);
        } else {
            start_AppAd.loadAd(new AdEventListener() {
                @Override
                public void onReceiveAd(Ad ad) {
                    start_AppAd.showAd(new AdDisplayListener() {
                        @Override
                        public void adHidden(Ad ad) { }
                        @Override
                        public void adDisplayed(Ad ad) { }

                        @Override
                        public void adClicked(Ad arg0) { }
                        @Override
                        public void adNotDisplayed(Ad arg0) { }
                    });
                }
                @Override
                public void onFailedToReceiveAd(Ad ad) {

                }
            });
        }
        try {
            AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
            builder.setTitle("Exit");
            builder.setIcon(R.mipmap.ic_launcher);
            builder.setMessage("Thankyou!")
                    .setCancelable(false)
  }
                    })

                    .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialogInterface, int i) {
                            dialogInterface.cancel();
                        }
                    })
                    .setPositiveButton("Quit", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialogInterface, int i) {
                            finish();
                        }
                    });
            AlertDialog alert = builder.create();
            alert.show();

        } catch (Exception e) {
            e.printStackTrace();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

score 0 · Answer 1 · answered Nov 06 '18 at 11:28

0

Try this,

    @Override
    public void onBackPressed() {

               AlertDialog alertbox = new AlertDialog.Builder(this)
    .setMessage("Do you want to exit application?")
    .setPositiveButton("Quit", new DialogInterface.OnClickListener() {

        // do something when the button is clicked
        public void onClick(DialogInterface arg0, int arg1) {

            finish();
            //close();


        }
    })
    .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {

        // do something when the button is clicked
        public void onClick(DialogInterface arg0, int arg1) {
                       }
    })
      .show();

 }

Hope it's useful.

answered Nov 06 '18 at 11:28

chetan mahajan

349
4
15

I want to add heyzapp ad when back button is pressed. When I dont use heyzapp ad it works fine. – Hassan Chaudhary Nov 06 '18 at 11:41
When you click back button then show heyzapp ad. Right? – chetan mahajan Nov 06 '18 at 11:46
Yeah it shows heyzapp. When heyzapp ad is closed dialogalert shows. When I click the quit button on dialogAlert it shows the main activity again – Hassan Chaudhary Nov 06 '18 at 11:48
Ok, You can add MainActivity Intent and heyzapp ad in the onBackPressed() method. – chetan mahajan Nov 06 '18 at 11:50
I am adding but clicking the quit button does not end the activity – Hassan Chaudhary Nov 06 '18 at 11:54

score -1 · Answer 2 · answered Nov 06 '18 at 11:36

-1

.setPositiveButton("Quit", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialogInterface, int i) {
                            finish();
                            System.exit(0);  //add this line

                        }
                    });

answered Nov 06 '18 at 11:36

Kevin Kurien

812
6
14

The problem exists. Now it shows a blank white screen and after 2 seconds it shows the MainActivity – Hassan Chaudhary Nov 06 '18 at 11:44
System.exit doesn't work like that on android. See https://stackoverflow.com/questions/18292016/difference-between-finish-and-system-exit0 – Zoe Nov 06 '18 at 11:44
but finish(); is not closing the activity – Hassan Chaudhary Nov 06 '18 at 12:50

On clicking quit button on alert dialog shows MainActivity

2 Answers2