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我在尝试将 GoogleMapApi V2 与我在其他应用程序中使用的相同代码时遇到问题。我只想做 StartActivity(MapActivityFragment); 没有错误

我有这些权限 

<uses-feature
    android:glEsVersion="0x00020000"
    android:required="true" />

<permission
    android:name="com.egdigital.appetablissement.permission.MAPS_RECEIVE"
    android:protectionLevel="signature" />
<uses-permission android:name="com.egdigital.appetablissemen" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.VIBRATE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

<application
    <meta-data
        android:name="com.google.android.maps.v2.API_KEY"
        android:value="theApiKey" />

<activity
    android:name="com.egdigital.appetablissement.ActivityGoogleMap"
    android:configChanges="orientation"
    android:label="@string/app_name" >
</activity>

包含地图支持片段的 XML：activity_maps

<?xml version="1.0" encoding="utf-8"?>
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/map"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    class="com.google.android.gms.maps.SupportMapFragment" />

而这个类来管理地图

public class ActivityGoogleMap extends SherlockFragmentActivity {
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_maps);
    }
}

我已将 ActionBarSherlock 和 googlePlayServices-lib作为库包含在内

还包括 android-support-v4.jar作为外部 jar 并将其添加到依赖项

当我执行 StartActivity(MapActivityFragment) 时，我得到了这个大错误：

FATAL EXCEPTION: main
java.lang.RuntimeException: Unable to start activity     ComponentInfo{com.egdigital.appetablissement/com.egdigital.appetablissement.ActivityGoogleMap}: android.view.InflateException: Binary XML file line #2: Error inflating class fragment
Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class fragment
Caused by: android.support.v4.app.Fragment$InstantiationException: Unable to instantiate fragment com.google.android.gms.maps.SupportMapFragment: make sure class name exists, is public, and has an empty constructor that is public
Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.maps.SupportMapFragment" on path: /data/app/com.egdigital.appetablissement-1.apk
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1 回答 1

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看起来您<application>的.<meta-data>AndroidManifest.xml

因此，以下内容：

<application
    <meta-data
        android:name="com.google.android.maps.v2.API_KEY"
        android:value="theApiKey" />

<activity
    android:name="com.egdigital.appetablissement.ActivityGoogleMap"
    android:configChanges="orientation"
    android:label="@string/app_name" >
</activity>

...应改为：

<application>        
    <activity
        android:name="com.egdigital.appetablissement.ActivityGoogleMap"
        android:configChanges="orientation"
        android:label="@string/app_name" >
    </activity>
    <meta-data
        android:name="com.google.android.maps.v2.API_KEY"
        android:value="theApiKey">
</application>

Android Maps API v2 文档： https ://developers.google.com/maps/documentation/android/start#adding_the_api_key_to_your_application

...说：

在 AndroidManifest.xml 中，将 [meta-data] 元素添加为元素的子元素，方法是将其插入到结束标记之前</application>。

于 2013-07-12T18:44:02.170 回答