package com.example.picpopupwindow;
import android.app.Activity;
import android.content.Context;
import android.graphics.drawable.ColorDrawable;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.View.OnTouchListener;
import android.view.ViewGroup.LayoutParams;
import android.widget.Button;
import android.widget.PopupWindow;
public class MyPopupWindow extends PopupWindow {
private Button btn_cancel;
private View mMenuView;
public MyPopupWindow(Activity context) {
super(context);
LayoutInflater inflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mMenuView = inflater.inflate(R.layout.alert_dialog, null);
btn_cancel = (Button) mMenuView.findViewById(R.id.btn_cancel);
btn_cancel.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// 销毁弹出框
dismiss();
}
});
// 设置SelectPicPopupWindow的View
this.setContentView(mMenuView);
// 设置SelectPicPopupWindow弹出窗体的宽
this.setWidth(LayoutParams.FILL_PARENT);
// 设置SelectPicPopupWindow弹出窗体的高
this.setHeight(LayoutParams.WRAP_CONTENT);
// 设置SelectPicPopupWindow弹出窗体可点击
this.setFocusable(true);
// 设置SelectPicPopupWindow弹出窗体动画效果
this.setAnimationStyle(R.style.AnimBottom);
// 实例化一个ColorDrawable颜色为半透明
ColorDrawable dw = new ColorDrawable(0xb0000000);
// 设置SelectPicPopupWindow弹出窗体的背景
this.setBackgroundDrawable(dw);
// 设置点击其它消失
this.setOutsideTouchable(true);
// mMenuView添加OnTouchListener监听判断获取触屏位置如果在选择框外面则销毁弹出框
mMenuView.setOnTouchListener(new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
int height = mMenuView.findViewById(R.id.pop_layout).getTop();
int y = (int) event.getY();
if (event.getAction() == MotionEvent.ACTION_UP) {
if (y < height) {
dismiss();
}
}
return true;
}
});
}
}
其中动画:
<style name="AnimBottom>
<item name="android:windowEnterAnimation">@anim/name1</item>
<item name="android:windowExitAnimation">@anim/name2</item>
</style>