Android 自定义PopupWindow以及参数传递与返回
在这篇博客之前,还写了一篇关于PopupWindow，那篇主要是关于PopupWindow弹出位置的设置。以及选择PopupWindow布局后的监听。详情看Android popupwindow 示例程序一。接下来这篇主要是讲自定义PopupWindow以及参数传递与返回，我在里面写了一个listview来示例。接下来看代码，都有所注释。
本文项目资源下载:
一、MainActivity
package com.example.popupwimdow;
import java.util.ArrayList;
import com.example.popupwimdow.TestPopwindow2.OnGetData;
import android.os.Bundle;
import android.app.Activity;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.PopupWindow.OnDismissListener;
import android.widget.Toast;
/**
*
* @author mmsx
* 博主博客网址: http://blog.csdn.net/qq_16064871
*/
public class MainActivity extends Activity implements OnClickListener,
OnDismissListener {
private ArrayList mArrayList = new ArrayList();
private TestPopwindow2 mTestPopwindow2 = null;
private int mnSeclectItem = 0;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
InitUI();
}
private void InitUI() {
if (mArrayList != null) {
mArrayList.clear();
for (int i = 0; i < 3; i++) {
ItemTest itemTest1 = new ItemTest(R.drawable.bmp1, "图片一");
mArrayList.add(itemTest1);
ItemTest itemTest2 = new ItemTest(R.drawable.bmp2, "图片二");
mArrayList.add(itemTest2);
}
}
// 实例化TestPopwindow2
mTestPopwindow2 = new TestPopwindow2(this);
// 设置点击其他位置mTestPopwindow2消失
mTestPopwindow2.setOnDismissListener(this);
Button buttonTest2 = (Button) findViewById(R.id.buttonTest2);
buttonTest2.setOnClickListener(this);
}
private void OnPopwindowTest2() {
if (mTestPopwindow2 == null)
return;
//回到接受
mTestPopwindow2.setOnData(new OnGetData() {
//记录上一次选中的item
@Override
public int onSeclectItem() {
return mnSeclectItem;
}
//回调接受函数
@Override
public void onDataCallBack(int nSectlect,ArrayList mArrayList) {
Toast.makeText(getApplicationContext(),
"listview 的点击" + String.valueOf(nSectlect),
Toast.LENGTH_SHORT).show();
mnSeclectItem = nSectlect;
}
//传递数据源过去
@Override
public ArrayList onArrayList() {
return mArrayList;
}
});
// location获得控件的位置
int[] location = new int[2];
View v = findViewById(R.id.buttonTest2);
if (v != null)
v.getLocationOnScreen(location); // 控件在屏幕的位置
mTestPopwindow2.setAnimationStyle(R.style.AppBaseTheme);
// mTestPopwindow2弹出在某控件(button)的下面
mTestPopwindow2.showAtLocation(v, Gravity.TOP | Gravity.LEFT,
location[0] - v.getWidth(), location[1] + v.getHeight());
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.buttonTest2:
OnPopwindowTest2();
break;
default:
break;
}
}
// 点击其他地方消失
@Override
public void onDismiss() {
}
}
package com.example.popupwimdow;
import java.util.ArrayList;
import android.app.ActionBar.LayoutParams;
import android.app.Activity;
import android.content.Context;
import android.graphics.drawable.BitmapDrawable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.PopupWindow;
import android.widget.TextView;
/**
* 自定义TestPopwindow2
* @author mmsx
* 博主博客网址: http://blog.csdn.net/qq_16064871
*/
public class TestPopwindow2 extends PopupWindow implements OnItemClickListener{
// 根视图
private View mRootView;
private LayoutInflater mInflater;
// ArrayList数组，listview原始数据
private ArrayList mArrayList;
// 数据接口
OnGetData mOnGetData;
// listview适配器
SelfTypeAdapt mSelfTypeAdapt;
private int mnSeclectItem = 0;
public TestPopwindow2(Activity context) {
super(context);
InitData(context);
InitUI();
}
// 数据接口设置,数据源接口传入
public void setOnData(OnGetData sd) {
mOnGetData = sd;
mArrayList = new ArrayList();
if (mOnGetData != null) {
mArrayList = mOnGetData.onArrayList();
mnSeclectItem = mOnGetData.onSeclectItem();
}
}
// 数据接口抽象方法
public interface OnGetData {
abstract ArrayList onArrayList();
abstract int onSeclectItem();
abstract void onDataCallBack(int nSectlect,
ArrayList mArrayList);
}
private void InitData(Context context) {
mInflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mRootView = mInflater.inflate(R.layout.test_popwindow_2, null);
setContentView(mRootView);
this.setWidth(LayoutParams.FILL_PARENT);
this.setHeight(LayoutParams.WRAP_CONTENT);
// 设置PopUpWindow弹出的相关属性
setTouchable(true);
setOutsideTouchable(true);
setFocusable(true);
setBackgroundDrawable(new BitmapDrawable(context.getResources()));
update();
getContentView().setFocusableInTouchMode(true);
getContentView().setFocusable(true);
setAnimationStyle(R.style.AppBaseTheme);
}
private void InitUI() {
ListView listView = (ListView) mRootView
.findViewById(R.id.listView1);
mSelfTypeAdapt = new SelfTypeAdapt(mRootView.getContext());
listView.setAdapter(mSelfTypeAdapt);
listView.setOnItemClickListener(this);
}
public class SelfTypeAdapt extends BaseAdapter {
private Context mContext;
private LayoutInflater mLayoutInflater;
public SelfTypeAdapt(Context context) {
mContext = context;
mLayoutInflater = (LayoutInflater) mContext
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
@Override
public int getCount() {
return mArrayList == null ? 0 : mArrayList.size();
}
@Override
public Object getItem(int position) {
return position;
}
@Override
public long getItemId(int position) {
return 0;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder viewHolder = null;
if (convertView == null) {
viewHolder = new ViewHolder();
convertView = (LinearLayout) mLayoutInflater.inflate(
R.layout.listview_item, null);
viewHolder.textView = (TextView) convertView
.findViewById(R.id.textViewTest);
viewHolder.imageView = (ImageView) convertView
.findViewById(R.id.imageView1);
convertView.setTag(viewHolder);
} else {
viewHolder = (ViewHolder) convertView.getTag();
}
ItemTest itemTest = new ItemTest();
itemTest = mArrayList.get(position);
viewHolder.textView.setText(itemTest.getImageViewID());
viewHolder.imageView.setImageResource(itemTest.getImageViewID());
return convertView;
}
}
// 内部类实现，提升listview效率
class ViewHolder {
public ImageView imageView;
public TextView textView;
}
@Override
public void onItemClick(AdapterView parent, View view, int position,
long id) {
mOnGetData.onDataCallBack(position, mArrayList);
dismiss();
}
}
package com.example.popupwimdow;
/**
* 实体类 ItemTest
* @author mmsx
* 博主博客网址: http://blog.csdn.net/qq_16064871
*/
public class ItemTest {
private int mImageViewID;
private String mstrName;
public ItemTest(){
}
public ItemTest(int ImageViewID, String strName) {
this.mImageViewID = ImageViewID;
this.mstrName = strName;
}
public int getImageViewID() {
return mImageViewID;
}
public String getstrName() {
return mstrName;
}
}
1、activity_main
五、实现效果
项目资源下载:
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