Android java close app

 @Override
    public void onBackPressed() {
        AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);
        alertDialogBuilder.setTitle("Exit Application?");
        alertDialogBuilder
                .setMessage("Click yes to exit!")
                .setCancelable(false)
                .setPositiveButton("Yes",
                        new DialogInterface.OnClickListener() {
                            public void onClick(DialogInterface dialog, int id) {
                                moveTaskToBack(true);
                                android.os.Process.killProcess(android.os.Process.myPid());
                                System.exit(1);
                            }
                        })

                .setNegativeButton("No", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int id) {

                        dialog.cancel();
                    }
                });

        AlertDialog alertDialog = alertDialogBuilder.create();
        alertDialog.show();
    }

Source: stackoverflow.com

Similar codes

14 votes103 views2 answers
Java 11 initialize map
Java
3 votes100 views1 answer
How to change font
Java
1 vote101 views1 answer
Breadth first search BST java
Java
2 votes98 views2 answers
Compare two character alphabetically java
Java
0 vote93 views1 answer
Java code to get all leaf nodes of a xml file
Java
4 votes103 views4 answers
Math class in java
Java
0 vote88 views1 answer
Ubuntu java compiler version
Java
12 votes112 views3 answers
Cardview implementation
Java
1 vote118 views1 answer
What is T in the date in java
Java
1 vote99 views1 answer
Observer pattern java
Java