Android(安卓)Popupwindow 点击外部消失的实现
16lz
2021-12-04
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="${relativePackage}.${activityClass}" > <TextView android:id="@+id/tv_hello" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/hello_world" /></RelativeLayout> package com.hyc.popupwindowdemo;import android.app.Activity;import android.graphics.drawable.ColorDrawable;import android.os.Bundle;import android.view.Menu;import android.view.MenuItem;import android.view.View;import android.view.View.OnClickListener;import android.view.ViewGroup.LayoutParams;import android.widget.PopupWindow;import android.widget.TextView;public class MainActivity extends Activity implements OnClickListener {private TextView tvHello = null;private PopupWindow mPopupWindow = null;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);tvHello = (TextView) findViewById(R.id.tv_hello);tvHello.setOnClickListener(this);}@Overridepublic void onClick(View v) {TextView tv = new TextView(this);tv.setWidth(LayoutParams.WRAP_CONTENT);tv.setHeight(LayoutParams.WRAP_CONTENT);tv.setText("ok"); //注意：以下代码的顺序不可颠倒mPopupWindow = new PopupWindow(tv, 100, 100);mPopupWindow.setFocusable(true);mPopupWindow.setOutsideTouchable(true);mPopupWindow.update();mPopupWindow.setBackgroundDrawable(new ColorDrawable(0));mPopupWindow.showAsDropDown(tvHello);}}
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