Android popupwindow 示例程序一
转自http://blog.csdn.net/qq_16064871/article/details/46461459
经过多番测试实践,实现了popupwindow 弹出在指定控件的下方。代码上有注释,有需要注意的地方。popupwindow 有自已的布局,里面控件的监听实现都有。接下来看代码实现。
项目资源下载:点击这里
TestPopwindow2.class
- package com.example.popwindowdemo;
- 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.widget.PopupWindow;
- public class TestPopwindow2 extends PopupWindow {
- // 根视图
- private View mRootView;
- // LayoutInflater
- LayoutInflater mInflater;
- public TestPopwindow2(Activity context) {
- super(context);
- mInflater = (LayoutInflater) context
- .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
- mRootView = mInflater.inflate(R.layout.test_popwindow_2, null);
- setContentView(mRootView);
- this.setWidth(LayoutParams.WRAP_CONTENT);
- 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);
- }
- }
- package com.example.popwindowdemo;
- 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;
- public class MainActivity extends Activity implements OnClickListener,
- OnDismissListener {
- private TestPopwindow2 mTestPopwindow2 = null;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main);
- InitUI();
- }
- private void InitUI() {
- // 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;
- // 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());
- }
- // mTestPopwindow2布局控件的监听
- public void OnclickTestListener(View view) {
- switch (view.getId()) {
- case R.id.layoutSeclect1:
- Toast.makeText(this, "系统热门方案", Toast.LENGTH_SHORT).show();
- break;
- case R.id.layoutSeclect2:
- Toast.makeText(this, "个人热门方案", Toast.LENGTH_SHORT).show();
- break;
- default:
- break;
- }
- if (mTestPopwindow2 != null)
- mTestPopwindow2.dismiss();
- }
- @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() {
- }
- }
- <?xml version="1.0" encoding="UTF-8"?>
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- android:background="#0000" >
- <!--
- popupwimdow的布局注意不能使用类似
- android:layout_marginTop=""这样属性,特别是相对布局时候.
- 布局或者控件整体靠左等都会影响popupwimdow定位使用
- -->
- <LinearLayout
- android:id="@+id/hot_layout"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:background="@drawable/title_function_bg"
- android:orientation="vertical" >
- <LinearLayout
- android:id="@+id/layoutSeclect1"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:clickable="true"
- android:onClick="OnclickTestListener" >
- <TextView
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:padding="8dp"
- android:text="系统热门方案"
- android:textColor="#fff"
- android:textSize="18sp" />
- </LinearLayout>
- <LinearLayout
- android:id="@+id/layoutSeclect2"
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:clickable="true"
- android:onClick="OnclickTestListener" >
- <TextView
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:padding="8dp"
- android:text="个人热门方案"
- android:textColor="#fff"
- android:textSize="18sp" />
- </LinearLayout>
- </LinearLayout>
- </LinearLayout>
- <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- xmlns:tools="http://schemas.android.com/tools"
- android:id="@+id/LinearLayoutMain"
- android:layout_width="match_parent"
- android:layout_height="match_parent"
- android:orientation="vertical" >
- <TextView
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:text="@string/hello_world" />
- <LinearLayout
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:gravity="right">
- <Button
- android:id="@+id/buttonTest2"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:text="测试2" />
- </LinearLayout>
- </LinearLayout>
项目资源下载:点击这里
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