android 自定义 popupwindow 实例源码下载

【核心代码】

package com.wwj.popupwindow;

import android.app.Activity;
import android.content.Context;
import android.graphics.drawable.ColorDrawable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.PopupWindow;

public class MorePopWindow extends PopupWindow {
	private View conentView;

	public MorePopWindow(final Activity context) {
		LayoutInflater inflater = (LayoutInflater) context
				.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
		conentView = inflater.inflate(R.layout.more_popup_dialog, null);
		int h = context.getWindowManager().getDefaultDisplay().getHeight();
		int w = context.getWindowManager().getDefaultDisplay().getWidth();
		// 设置SelectPicPopupWindow的View
		this.setContentView(conentView);
		// 设置SelectPicPopupWindow弹出窗体的宽
		this.setWidth(w / 2   50);
		// 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);
		this.setOutsideTouchable(true);
		// 刷新状态
		this.update();
		// 实例化一个ColorDrawable颜色为半透明
		ColorDrawable dw = new ColorDrawable(0000000000);
		// 点back键和其他地方使其消失,设置了这个才能触发OnDismisslistener ，设置其他控件变化等操作
		this.setBackgroundDrawable(dw);
		// mPopupWindow.setAnimationStyle(android.R.style.Animation_Dialog);
		// 设置SelectPicPopupWindow弹出窗体动画效果
		this.setAnimationStyle(R.style.AnimationPreview);

	}

	public void showPopupWindow(View parent) {
		if (!this.isShowing()) {
			this.showAsDropDown(parent, parent.getLayoutParams().width / 2, 18);
		} else {
			this.dismiss();
		}
	}
}