public class AlertActivity extends AppCompatActivity implements OnClickListener {
private TextView tv_alert;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_alert);
findViewById(R.id.btn_alert).setOnClickListener(this);
tv_alert = (TextView) findViewById(R.id.tv_alert);
}
@Override
public void onClick(View v) {
if (v.getId() == R.id.btn_alert) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("尊敬的用户");
builder.setMessage("你真的要卸载我吗？");
builder.setPositiveButton("残忍卸载", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
tv_alert.setText("虽然依依不舍，还是只能离开了");
}
});
builder.setNegativeButton("我再想想", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
tv_alert.setText("让我再陪你三百六十五个日夜");
}
});
AlertDialog alert = builder.create();
alert.show();
}
}
}
