无法实例化android.gms.maps.MapFragment我试着用谷歌地图android v2做一个非常简单的活动的演示,只需从谷歌页面复制代码:https://developers.google.com/maps/documentation/android/start#adding_the_api_key_to_your_application活动:package com.example.mapdemo;import android.app.Activity;import android.os.Bundle;public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}}布局:<?xml version="1.0" encoding="utf-8"?><fragment xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/map"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.MapFragment"/>我已经根据页面申请了api密钥并修改了我的androidmanifest.xml文件,就像这样:<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.wenhai.driverschool"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="15" />
<uses-permission android:name="android.permission.INTERNET" />
<!-- add for map2 -->
<permission
android:name="com.example.mapdemo.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />
<uses-permission android:name="com.example.mapdemo.permission.MAPS_RECEIVE" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<!-- External storage for caching. -->
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<!-- Maps API needs OpenGL ES 2.0. -->
<uses-feature
android:glEsVersion="0x00020000"
android:required="true" />我还在eclipse中将我的应用程序引用到google-play-services_lib。
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