PopupWindow

最新推荐文章于 2025-07-08 20:48:03 发布

贫道望青楼

最新推荐文章于 2025-07-08 20:48:03 发布

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分类专栏： android

本文链接：https://blog.youkuaiyun.com/su_internet/article/details/49130535

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本文介绍如何使用Android自定义PopupWindow实现省市区选择功能。通过LayoutInflater加载布局，并为PopupWindow设置触摸、聚焦及动画效果。同时，实现了点击屏幕外部区域时PopupWindow自动关闭的功能。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

1、定义pop

<pre name="code" class="java">private PopupWindow citypop;
private TextView tv_province,tv_scity,tv_area,tv_ok;

private TextView tv_city;//父布局中的一个控件

2、创建pop

/**
	 * 选择省-市-县
	* @Title: citypop
	* @Description: TODO 
	* @return void
	* @author
	* @date 2015-10-14 下午5:20:54 
	* @throws
	 */
	private void citypop() {

		if (null == citypop) {
			LayoutInflater layoutInflater = LayoutInflater.from(this);
			View pv = layoutInflater.inflate(R.layout.pop_weather_select,
					null);
			tv_province = (TextView) pv.findViewById(R.id.tv_province);
			tv_scity = (TextView) pv.findViewById(R.id.tv_scity);
			tv_area = (TextView) pv.findViewById(R.id.tv_area);
			tv_ok = (TextView) pv.findViewById(R.id.tv_ok);
			tv_province.setOnClickListener(this);
			tv_scity.setOnClickListener(this);
			tv_area.setOnClickListener(this);
			tv_ok.setOnClickListener(this);
			
			citypop = new PopupWindow(pv,
					LinearLayout.LayoutParams.WRAP_CONTENT,
					LinearLayout.LayoutParams.WRAP_CONTENT);
			citypop.setAnimationStyle(R.anim.push_bottom_in);
			citypop.setTouchable(true);
			citypop.setFocusable(true);// 使其聚集
			citypop.setOutsideTouchable(true);//设置允许在外点击消失
		}
		WindowManager.LayoutParams params = this.getWindow()
				.getAttributes();
		params.alpha = 0.7f;
		this.getWindow().setAttributes(params);

		// 添加pop窗口关闭事件
		citypop.setOnDismissListener(new poponDismissListener());
		citypop.showAtLocation(this.tv_city, Gravity.CENTER | Gravity.CENTER, 0, 0);
		
	}
	/**
	 * 
	* @ClassName: poponDismissListener 
	* @Description: 点击屏幕外消失 
	* @author 
	* @date 2015-10-14 下午5:28:28 
	*
	 */
	class poponDismissListener implements PopupWindow.OnDismissListener {
		@Override
		public void onDismiss() {
			backgroundAlpha(1f);
		}
	}
	
	/**
	 * 设置添加屏幕的背景透明度
	* @Title: backgroundAlpha 
	* @Description: TODO
	* @param bgAlpha 
	* @return void
	* @author 
	* @date 2015-10-14 下午5:28:50 
	* @throws
	 */
	public void backgroundAlpha(float bgAlpha) {
		WindowManager.LayoutParams lp = this.getWindow()
				.getAttributes();
		lp.alpha = bgAlpha;
		this.getWindow().setAttributes(lp);
	}

3、布局pop_weather_select.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        android:layout_margin="5dp" >

        <TextView
            android:id="@+id/tv_province"
            android:layout_width="wrap_content"
            android:layout_height="30dp"
            android:layout_weight="1"
            android:gravity="center"
            android:layout_margin="2dp"
            android:background="@drawable/app_corner_textview"
             android:textColor="@color/color_white"
            android:text="选择省份"
            android:textSize="15sp" />

        <TextView
            android:id="@+id/tv_scity"
            android:layout_width="wrap_content"
            android:layout_height="30dp"
            android:layout_margin="2dp"
            android:layout_weight="1"
            android:background="@drawable/app_corner_textview"
            android:gravity="center"
            android:text="选择城市"
            android:textColor="@color/color_white"
            android:textSize="15sp" />

        <TextView
            android:id="@+id/tv_area"
            android:layout_width="wrap_content"
            android:layout_height="30dp"
            android:layout_weight="1"
            android:gravity="center"
             android:layout_margin="2dp"
            android:background="@drawable/app_corner_textview"
             android:textColor="@color/color_white"
            android:text="选择地区"
            android:textSize="15sp" />

        <TextView
            android:id="@+id/tv_ok"
            android:layout_width="wrap_content"
            android:layout_height="30dp"
            android:layout_weight="1"
            android:gravity="center"
             android:layout_margin="2dp"
            android:background="@drawable/app_corner_textview"
             android:textColor="@color/color_white"
            android:text="确定"
            android:textSize="15sp" />
    </LinearLayout>

</LinearLayout>