對話框效果:
模板:
//退出
AlertDialog.Builder tuichu_builder =new AlertDialog.Builder(MainActivity.this);
tuichu_builder.setTitle("退出確認").setMessage
//退出
AlertDialog.Builder tuichu_builder =new AlertDialog.Builder(MainActivity.this);
tuichu_builder.setTitle("退出確認").setMessage
設置: et1.setText(""); 獲取: et1.getText().toString();
設置: et1.setText(""); 獲取: et1.getText().toString();