How to get the Android device's primary e-mail address

Question

How do you get the Android\'s primary e-mail address (or a list of e-mail addresses)?

It\'s my understanding that on OS 2.0+ there\'s support for multiple e-mail add

Answer 1

Working In MarshMallow Operating System

    btn_click=(Button) findViewById(R.id.btn_click);

    btn_click.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View arg0)
        {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
            {
                int permissionCheck = ContextCompat.checkSelfPermission(PermissionActivity.this,
                        android.Manifest.permission.CAMERA);
                if (permissionCheck == PackageManager.PERMISSION_GRANTED)
                {
                    //showing dialog to select image
                    String possibleEmail=null;

                     Pattern emailPattern = Patterns.EMAIL_ADDRESS; // API level 8+
                     Account[] accounts = AccountManager.get(PermissionActivity.this).getAccounts();
                     for (Account account : accounts) {
                         if (emailPattern.matcher(account.name).matches()) {
                             possibleEmail = account.name;
                             Log.e("keshav","possibleEmail"+possibleEmail);
                         }
                     }

                    Log.e("keshav","possibleEmail gjhh->"+possibleEmail);
                    Log.e("permission", "granted Marshmallow O/S");

                } else {                        ActivityCompat.requestPermissions(PermissionActivity.this,
                            new String[]{android.Manifest.permission.READ_EXTERNAL_STORAGE,
                                    android.Manifest.permission.READ_PHONE_STATE,
                                    Manifest.permission.GET_ACCOUNTS,
                                    android.Manifest.permission.CAMERA}, 1);
                }
            } else {
// Lower then Marshmallow

                    String possibleEmail=null;

                     Pattern emailPattern = Patterns.EMAIL_ADDRESS; // API level 8+
                     Account[] accounts = AccountManager.get(PermissionActivity.this).getAccounts();
                     for (Account account : accounts) {
                         if (emailPattern.matcher(account.name).matches()) {
                             possibleEmail = account.name;
                             Log.e("keshav","possibleEmail"+possibleEmail);
                     }

                    Log.e("keshav","possibleEmail gjhh->"+possibleEmail);


            }
        }
    });