Android自定义popupwindow实例代码

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="match_parent"
  android:layout_height="wrap_content"
  android:orientation="vertical"
  android:background="#ffffff"
  android:padding="20dp" >

  <TextView
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:clickable="true"
    android:gravity="center"
    android:textColor="@android:color/holo_orange_dark"
    android:text="确定" />

  <TextView
    android:layout_marginTop="20dp"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_marginBottom="10dp"
    android:clickable="true"
    android:gravity="center"
    android:text="取消" />

</LinearLayout>

<style name="MyPopupWindow">

    <item name="android:windowEnterAnimation">@anim/pop_in</item>
    <item name="android:windowExitAnimation">@anim/pop_out</item>
  </style>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">

  <!-- 平移
  <translate
     android:duration="5000"
     android:fromXDelta="100%"

     android:toXDelta="0"/>
     -->

  <scale
    android:fromXScale="0"
    android:fromYScale="0"
    android:pivotX="50%"
    android:pivotY="50%"
    android:toXScale="0.8"
    android:toYScale="0.5"
    android:duration="200"/>

  <!--
fromXScale
fromYScale
起始时X，Y座标,

pivotX
pivotY

动画起始位置，相对于屏幕的百分比,两个都为50%表示动画从屏幕中间开始

toXScale
toYScale
动画最终缩放的倍数， 1.0为正常大小，大于1.0放大

duration
动画持续时间


 -->

  <!--透明度-->
  <alpha
    android:duration="200"
    android:fromAlpha="0.0"

    android:toAlpha="1.0"/>


</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">

  <!-- <translate
    android:duration="5000"
    android:fromXDelta="0"

    android:toXDelta="100%"/>-->

  <scale
    android:fromXScale="0.8"
    android:fromYScale="0.5"
    android:pivotX="50%"
    android:pivotY="50%"
    android:toXScale="0"
    android:toYScale="0"
    android:duration="200"/>



  <alpha
    android:duration="200"
    android:fromAlpha="1.0"

    android:toAlpha="0.0"/>

</set>

 super(context);

    this.mContext=context;
    //打气筒
    mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);


    //打气

    mContentView = mInflater.inflate(R.layout.layout_dialog,null);

    //设置View
    setContentView(mContentView);


    //设置宽与高
    setWidth(WindowManager.LayoutParams.MATCH_PARENT);

    setHeight(WindowManager.LayoutParams.WRAP_CONTENT);


    /**
     * 设置进出动画
     */
    setAnimationStyle(R.style.MyPopupWindow);


    /**
     * 设置背景只有设置了这个才可以点击外边和BACK消失
     */
    setBackgroundDrawable(new ColorDrawable());


    /**
     * 设置可以获取集点
     */
    setFocusable(true);

    /**
     * 设置点击外边可以消失
     */
    setOutsideTouchable(true);

    /**
     *设置可以触摸
     */
    setTouchable(true);


    /**
     * 设置点击外部可以消失
     */

    setTouchInterceptor(new View.OnTouchListener() {
      @Override
      public boolean onTouch(View v, MotionEvent event) {

        /**
         * 判断是不是点击了外部
         */
        if(event.getAction()==MotionEvent.ACTION_OUTSIDE){
          return true;
        }
        //不是点击外部
        return false;
      }
    });

public void displayDialog(View view){

    MyPopupWindow myPopupWindow = new MyPopupWindow(this);

    myPopupWindow.showAsDropDown(mBtnDispaly,0,0);
    lightOff();


    /**
     * 消失时屏幕变亮
     */
    myPopupWindow.setOnDismissListener(new PopupWindow.OnDismissListener() {
      @Override
      public void onDismiss() {
        WindowManager.LayoutParams layoutParams = getWindow().getAttributes();

        layoutParams.alpha=1.0f;

        getWindow().setAttributes(layoutParams);
      }
    });
  }

  /**
   * 显示时屏幕变暗
   */
  private void lightOff() {

    WindowManager.LayoutParams layoutParams = getWindow().getAttributes();

    layoutParams.alpha=0.3f;

    getWindow().setAttributes(layoutParams);

  }

package liu.basedemo.view;

import android.content.Context;
import android.graphics.drawable.ColorDrawable;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.WindowManager;
import android.widget.PopupWindow;

import liu.basedemo.R;


/**
 * 学习PopupWindow
 * Created by 刘楠 on 2016/8/1 0001.17:42
 */
public class MyPopupWindow extends PopupWindow {

  Context mContext;
  private LayoutInflater mInflater;
  private View mContentView;


  public MyPopupWindow(Context context) {
    super(context);

    this.mContext=context;
    //打气筒
    mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);


    //打气

    mContentView = mInflater.inflate(R.layout.layout_dialog,null);

    //设置View
    setContentView(mContentView);


    //设置宽与高
    setWidth(WindowManager.LayoutParams.MATCH_PARENT);

    setHeight(WindowManager.LayoutParams.WRAP_CONTENT);


    /**
     * 设置进出动画
     */
    setAnimationStyle(R.style.MyPopupWindow);


    /**
     * 设置背景只有设置了这个才可以点击外边和BACK消失
     */
    setBackgroundDrawable(new ColorDrawable());


    /**
     * 设置可以获取集点
     */
    setFocusable(true);

    /**
     * 设置点击外边可以消失
     */
    setOutsideTouchable(true);

    /**
     *设置可以触摸
     */
    setTouchable(true);


    /**
     * 设置点击外部可以消失
     */

    setTouchInterceptor(new View.OnTouchListener() {
      @Override
      public boolean onTouch(View v, MotionEvent event) {

        /**
         * 判断是不是点击了外部
         */
        if(event.getAction()==MotionEvent.ACTION_OUTSIDE){
          return true;
        }
        //不是点击外部
        return false;
      }
    });


    /**
     * 初始化View与监听器
     */
    initView();

    initListener();
  }




  private void initView() {

  }

  private void initListener() {

  }


}