Alert Message

message.java

DialogInterface.OnClickListener dialogClickListener =
        new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int button) {
                if (button == DialogInterface.BUTTON_POSITIVE) {
                    //Insert Data management code here
                    Toast.makeText(MainActivity.this,
                            getString(R.string.all_deleted),
                            Toast.LENGTH_SHORT).show();
                }
            }
        };

AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage(getString(R.string.are_you_sure))
        .setPositiveButton(getString(android.R.string.yes), dialogClickListener)
        .setNegativeButton(getString(android.R.string.no), dialogClickListener)
        .show();