Dialog主题Activity实现自定义对话框效果

<activity
    android:name=".activity "
    android:theme="@android:style/Theme.Dialog"
    android:screenOrientation="portrait" />

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    requestWindowFeature(Window.FEATURE_NO_TITLE);
    setContentView(R.layout.activity_borrow_status_new_pay_dialog);
    this.setFinishOnTouchOutside(false);