Google Map API v2 java.lang.ClassNotFoundException:com.Google.android.gms.maps.MapFragment
我在集成Google Map API v2 java.lang.ClassNotFoundException:com.Google.android.gms.maps.MapFragment,android,google-maps,Android,Google Maps,我在集成googlemapapiv2时遇到java.lang.ClassNotFoundException:com.google.android.gms.maps.MapFragment错误 我已经尝试了stackoverflow上几乎所有可能的解决方案 10-01 15:02:48.181: E/AndroidRuntime(14917): FATAL EXCEPTION: main 10-01 15:02:48.181: E/AndroidRuntime(14917): java.lang.
googlemapapiv2
时遇到java.lang.ClassNotFoundException:com.google.android.gms.maps.MapFragment
错误
我已经尝试了stackoverflow上几乎所有可能的解决方案
10-01 15:02:48.181: E/AndroidRuntime(14917): FATAL EXCEPTION: main
10-01 15:02:48.181: E/AndroidRuntime(14917): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.mapdummy/com.mapdummy.MainActivity}: android.view.InflateException: Binary XML file line #1: Error inflating class fragment
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1956)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1981)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.ActivityThread.access$600(ActivityThread.java:123)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1147)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.os.Handler.dispatchMessage(Handler.java:99)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.os.Looper.loop(Looper.java:137)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.ActivityThread.main(ActivityThread.java:4424)
10-01 15:02:48.181: E/AndroidRuntime(14917): at java.lang.reflect.Method.invokeNative(Native Method)
10-01 15:02:48.181: E/AndroidRuntime(14917): at java.lang.reflect.Method.invoke(Method.java:511)
10-01 15:02:48.181: E/AndroidRuntime(14917): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:817)
10-01 15:02:48.181: E/AndroidRuntime(14917): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:584)
10-01 15:02:48.181: E/AndroidRuntime(14917): at dalvik.system.NativeStart.main(Native Method)
10-01 15:02:48.181: E/AndroidRuntime(14917): Caused by: android.view.InflateException: Binary XML file line #1: Error inflating class fragment
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:697)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.view.LayoutInflater.inflate(LayoutInflater.java:466)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.view.LayoutInflater.inflate(LayoutInflater.java:352)
10-01 15:02:48.181: E/AndroidRuntime(14917): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:268)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.Activity.setContentView(Activity.java:1837)
10-01 15:02:48.181: E/AndroidRuntime(14917): at com.mapdummy.MainActivity.onCreate(MainActivity.java:13)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.Activity.performCreate(Activity.java:4470)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1049)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1920)
10-01 15:02:48.181: E/AndroidRuntime(14917): ... 11 more
10-01 15:02:48.181: E/AndroidRuntime(14917): Caused by: android.app.Fragment$InstantiationException: Unable to instantiate fragment com.google.android.gms.maps.MapFragment: make sure class name exists, is public, and has an empty constructor that is public
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.Fragment.instantiate(Fragment.java:581)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.Fragment.instantiate(Fragment.java:549)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.Activity.onCreateView(Activity.java:4240)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:673)
10-01 15:02:48.181: E/AndroidRuntime(14917): ... 20 more
10-01 15:02:48.181: E/AndroidRuntime(14917): Caused by: java.lang.ClassNotFoundException: com.google.android.gms.maps.MapFragment
10-01 15:02:48.181: E/AndroidRuntime(14917): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:61)
10-01 15:02:48.181: E/AndroidRuntime(14917): at java.lang.ClassLoader.loadClass(ClassLoader.java:501)
10-01 15:02:48.181: E/AndroidRuntime(14917): at java.lang.ClassLoader.loadClass(ClassLoader.java:461)
10-01 15:02:48.181: E/AndroidRuntime(14917): at android.app.Fragment.instantiate(Fragment.java:571)
10-01 15:02:48.181: E/AndroidRuntime(14917): ... 23 more
清单文件:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.mapdummy"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="12"
android:targetSdkVersion="15" />
<permission
android:name="com.mapdummy.permission.MAPS_RECEIVE"
android:protectionLevel="signature" />
<uses-permission android:name="com.mapdummy.permission.MAPS_RECEIVE"/>
<uses-permission android:name="android.permission.INTERNET" />
<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_COARSE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-feature
android:glEsVersion="0x00020000"
android:required="true"/>
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<meta-data android:name="com.google.android.gms.version"
android:value="@integer/google_play_services_version" />
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="AIzaSyAY5MKF9nca8Y4LQUv6Zj3N1wuKr8ikJUs" />
<uses-library
android:name="com.google.android.maps"
android:required="false" />
</application>
</manifest>
<fragment xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:map="http://schemas.android.com/apk/res-auto"
android:id="@+id/the_map"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:name="com.google.android.gms.maps.MapFragment"/>
package com.mapdummy;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
}
尝试将xml中的地图片段替换为
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<fragment
android:id="@+id/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
class="com.google.android.gms.maps.SupportMapFragment" />
</LinearLayout>
问题在于在片段中定义类名的xml文件。您的问题在于将google play服务添加到项目中的方式: 我已经在libs文件夹中复制了google-play-services.jar,并设置在eclipse的构建路径中 这是错误的!阅读我写的这篇博文的前3个步骤,了解如何正确操作: 谷歌地图API V2
简而言之,您应该将google play服务作为项目导入到您的工作区中。然后从您的项目中引用它。最终解决我的问题。发生此问题的原因是Eclipse无法找到google-play-services_lib(即使它在作为库添加时显示为绿色标记)。我在另一台机器上尝试了同样的过程,一切都很好
所以我改变了我整个Android SDK的位置,一切都很好 在此处发布您的清单文件和xml文件。@prakash我已将google-play-services_lib添加为库项目发布您的java代码…检查此链接:@prakash已尝试此链接上的所有解决方案,但仍然没有成功。我已将google-play services作为项目导入我的工作区,然后将其添加为库