public class PopUpActivity extends Activity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
LayoutInflater inflater = LayoutInflater.from(this);
// 引入窗口配置文件
View view = inflater.inflate(R.layout.main2, null);
// 创建PopupWindow对象
final PopupWindow pop = new PopupWindow(view, LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT, false);
Button btn = (Button) findViewById(R.id.btn);
// 需要设置一下此参数,点击外边可消失
pop.setBackgroundDrawable(new BitmapDrawable());
//设置点击窗口外边窗口消失
pop.setOutsideTouchable(true);
// 设置此参数获得焦点,否则无法点击
pop.setFocusable(true);
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if(pop.isShowing()) {
// 隐藏窗口,如果设置了点击窗口外小时即不需要此方式隐藏
pop.dismiss();
} else {
// 显示窗口
pop.showAsDropDown(v);
}
}
});
}
}