错误抛出java.lang.ClassNotFoundException:com.google.android.gms.maps.MapFragment在谷歌地图V2 [英] Error java.lang.ClassNotFoundException: com.google.android.gms.maps.MapFragment in Google Map V2
问题描述
我使用谷歌地图API V2的地图。我复制了谷歌播放的,services.jar在libs文件夹,并在Eclipse的构建路径设置。
我收到例外,因为我加了logcat的。
请帮助得到解决这个问题。
home_map_view.xml
<片段
机器人:ID =@ + ID /图
机器人:layout_width =FILL_PARENT
机器人:layout_height =FILL_PARENT
机器人:名称=com.google.android.gms.maps.MapFragment
机器人:layout_marginBottom =60dp/>
AndroidManifest.xml中
<舱单的xmlns:机器人=http://schemas.android.com/apk/res/android
包=com.example.app
安卓版code =1
机器人:VERSIONNAME =1.0>
<使用-SDK安卓的minSdkVersion =8的Android版本:targetSdkVersion =17/>
<许可
机器人:名称=com.example.app.permission.MAPS_RECEIVE
安卓的ProtectionLevel =签名/>
<使用-权限的Android:名称=android.permission.INTERNET对/>
<使用-权限的Android:名称=android.permission.ACCESS_FINE_LOCATION/>
<使用-权限的Android:名称=android.permission.ACCESS_COARSE_LOCATION/>
<使用-权限的Android:名称=android.permission.CALL_PHONE/>
<使用-权限的Android:名称=android.permission.ACCESS_NETWORK_STATE/>
<使用-权限的Android:名称=com.example.app.permission.MAPS_RECEIVE/>
<用途特征
机器人:glEsVersion =0x00020000
机器人:要求=真/>
<应用机器人:图标=@可绘制/ ic_launcher机器人:标签=@字符串/ APP_NAME>
&所述;元数据
机器人:名称=com.google.android.maps.v2.API_KEY
机器人:值=KEY/>
<活动机器人:MainActivity名称=机器人:标签=@字符串/ APP_NAME机器人:clearTaskOnLaunch =真
机器人:configChanges =方向的Android版本:screenOrientation =画像>
<意向滤光器>
<作用机器人:名称=android.intent.action.MAIN/>
<类机器人:名称=android.intent.category.LAUNCHER/>
&所述; /意图滤光器>
< /活性GT;
<活动机器人:HomeMapView名称=机器人:标签=@字符串/ title_home机器人:configChanges =方向的Android版本:launchMode =singleTop/>
< /用途>
< /舱单>
HomeMapView.java
公共类HomeMapView扩展FragmentActivity实现OnTabChangeListener {
私人GoogleMap的图形页面;
@覆盖
保护无效的onCreate(包savedInstanceState){
super.onCreate(savedInstanceState);
的setContentView(R.layout.home_map_view);
//获取参照activity_main的SupportMapFragment
SupportMapFragment片段=新SupportMapFragment();
。getSupportFragmentManager()的BeginTransaction()。新增(R.id.map,片段).commit();
//获取地图的SupportMapFragment
图形页面= fragment.getMap();
mapView.setMyLocationEnabled(真正的);
}
}
logcat的:
05-15 23:17:52.843:E / AndroidRuntime(19782):致命异常:主要
05-15 23:17:52.843:E / AndroidRuntime(19782):java.lang.RuntimeException的:无法启动的活动ComponentInfo {com.example.app / com.example.app.HomeMapView}:android.view.InflateException:二进制XML文件行#13:错误充气类片段
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.app.ActivityThread.access $ 1500(ActivityThread.java:117)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.app.ActivityThread $ H.handleMessage(ActivityThread.java:935)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.os.Handler.dispatchMessage(Handler.java:99)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.os.Looper.loop(Looper.java:130)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.app.ActivityThread.main(ActivityThread.java:3687)
05-15 23:17:52.843:E / AndroidRuntime(19782):在java.lang.reflect.Method.invokeNative(本机方法)
05-15 23:17:52.843:E / AndroidRuntime(19782):在java.lang.reflect.Method.invoke(Method.java:507)
05-15 23:17:52.843:E / AndroidRuntime(19782):在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:867)
05-15 23:17:52.843:E / AndroidRuntime(19782):在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)
05-15 23:17:52.843:E / AndroidRuntime(19782):在dalvik.system.NativeStart.main(本机方法)
05-15 23:17:52.843:E / AndroidRuntime(19782):android.view.InflateException:二进制XML文件中的行#13:错误充气类片段产生的原因
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:587)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.view.LayoutInflater.rInflate(LayoutInflater.java:623)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.view.LayoutInflater.inflate(LayoutInflater.java:408)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.view.LayoutInflater.inflate(LayoutInflater.java:320)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.view.LayoutInflater.inflate(LayoutInflater.java:276)
05-15 23:17:52.843:E / AndroidRuntime(19782):在com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:216)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.app.Activity.setContentView(Activity.java:1660)
05-15 23:17:52.843:E / AndroidRuntime(19782):在com.example.app.HomeMapView.onCreate(HomeMapView.java:61)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
05-15 23:17:52.843:E / AndroidRuntime(19782):11 ...更多
05-15 23:17:52.843:E / AndroidRuntime(19782):android.support.v4.app.Fragment $ InstantiationException:产生的原因无法实例片段com.google.android.gms.maps.MapFragment:确保类名称存在,是公开的,并且有一个空的构造是公
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.support.v4.app.Fragment.instantiate(Fragment.java:395)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.support.v4.app.Fragment.instantiate(Fragment.java:363)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:264)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:563)
05-15 23:17:52.843:E / AndroidRuntime(19782):20 ...更多
05-15 23:17:52.843:E / AndroidRuntime(19782):抛出java.lang.ClassNotFoundException:产生的原因com.google.android.gms.maps.MapFragment装载机dalvik.system.PathClassLoader[/system/framework/com.google.android.maps.jar:/data/app/com.example.app-2.apk]
05-15 23:17:52.843:E / AndroidRuntime(19782):在dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
05-15 23:17:52.843:E / AndroidRuntime(19782):在java.lang.ClassLoader.loadClass(ClassLoader.java:551)
05-15 23:17:52.843:E / AndroidRuntime(19782):在java.lang.ClassLoader.loadClass(ClassLoader.java:511)
05-15 23:17:52.843:E / AndroidRuntime(19782):在android.support.v4.app.Fragment.instantiate(Fragment.java:385)
05-15 23:17:52.843:E / AndroidRuntime(19782):23 ...更多
您的问题是你加的方式谷歌播放服务
到项目:
我复制了谷歌播放的,services.jar的库文件夹,在Eclipse的构建路径设置。
这是错误的! 阅读前3个步骤的这篇博客,我写得到的想法如何正确地做到这一点:
总之,你应该导入谷歌播放服务
在工作区的一个项目。
然后从您的项目中引用它。
这应该是结果:
I am using Google Map V2 API for the map. I have copied the google-play-services.jar in libs folder and set in the build path of eclipse.
I am getting exception as I added logcat.
Please help to get solve this issue.
home_map_view.xml
<fragment
android:id="@+id/map"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:name="com.google.android.gms.maps.MapFragment"
android:layout_marginBottom="60dp"/>
AndroidManifest.xml
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.app"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk android:minSdkVersion="8" android:targetSdkVersion="17" />
<permission
android:name="com.example.app.permission.MAPS_RECEIVE"
android:protectionLevel="signature"/>
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
<uses-permission android:name="android.permission.CALL_PHONE" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
<uses-permission android:name="com.example.app.permission.MAPS_RECEIVE"/>
<uses-feature
android:glEsVersion="0x00020000"
android:required="true"/>
<application android:icon="@drawable/ic_launcher" android:label="@string/app_name">
<meta-data
android:name="com.google.android.maps.v2.API_KEY"
android:value="KEY"/>
<activity android:name=".MainActivity" android:label="@string/app_name" android:clearTaskOnLaunch="true"
android:configChanges="orientation" android:screenOrientation="portrait">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".HomeMapView" android:label="@string/title_home" android:configChanges="orientation" android:launchMode="singleTop" />
</application>
</manifest>
HomeMapView.java
public class HomeMapView extends FragmentActivity implements OnTabChangeListener {
private GoogleMap mapView;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.home_map_view);
// Getting reference to SupportMapFragment of the activity_main
SupportMapFragment fragment = new SupportMapFragment();
getSupportFragmentManager().beginTransaction() .add(R.id.map, fragment).commit();
// Getting Map for the SupportMapFragment
mapView = fragment.getMap();
mapView.setMyLocationEnabled(true);
}
}
Logcat:
05-15 23:17:52.843: E/AndroidRuntime(19782): FATAL EXCEPTION: main
05-15 23:17:52.843: E/AndroidRuntime(19782): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.app/com.example.app.HomeMapView}: android.view.InflateException: Binary XML file line #13: Error inflating class fragment
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1651)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1667)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:935)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.os.Handler.dispatchMessage(Handler.java:99)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.os.Looper.loop(Looper.java:130)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.app.ActivityThread.main(ActivityThread.java:3687)
05-15 23:17:52.843: E/AndroidRuntime(19782): at java.lang.reflect.Method.invokeNative(Native Method)
05-15 23:17:52.843: E/AndroidRuntime(19782): at java.lang.reflect.Method.invoke(Method.java:507)
05-15 23:17:52.843: E/AndroidRuntime(19782): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:867)
05-15 23:17:52.843: E/AndroidRuntime(19782): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:625)
05-15 23:17:52.843: E/AndroidRuntime(19782): at dalvik.system.NativeStart.main(Native Method)
05-15 23:17:52.843: E/AndroidRuntime(19782): Caused by: android.view.InflateException: Binary XML file line #13: Error inflating class fragment
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:587)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.view.LayoutInflater.rInflate(LayoutInflater.java:623)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.view.LayoutInflater.inflate(LayoutInflater.java:408)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.view.LayoutInflater.inflate(LayoutInflater.java:320)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.view.LayoutInflater.inflate(LayoutInflater.java:276)
05-15 23:17:52.843: E/AndroidRuntime(19782): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:216)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.app.Activity.setContentView(Activity.java:1660)
05-15 23:17:52.843: E/AndroidRuntime(19782): at com.example.app.HomeMapView.onCreate(HomeMapView.java:61)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1615)
05-15 23:17:52.843: E/AndroidRuntime(19782): ... 11 more
05-15 23:17:52.843: E/AndroidRuntime(19782): Caused by: android.support.v4.app.Fragment$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
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.support.v4.app.Fragment.instantiate(Fragment.java:395)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.support.v4.app.Fragment.instantiate(Fragment.java:363)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:264)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:563)
05-15 23:17:52.843: E/AndroidRuntime(19782): ... 20 more
05-15 23:17:52.843: E/AndroidRuntime(19782): Caused by: java.lang.ClassNotFoundException: com.google.android.gms.maps.MapFragment in loader dalvik.system.PathClassLoader[/system/framework/com.google.android.maps.jar:/data/app/com.example.app-2.apk]
05-15 23:17:52.843: E/AndroidRuntime(19782): at dalvik.system.PathClassLoader.findClass(PathClassLoader.java:240)
05-15 23:17:52.843: E/AndroidRuntime(19782): at java.lang.ClassLoader.loadClass(ClassLoader.java:551)
05-15 23:17:52.843: E/AndroidRuntime(19782): at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
05-15 23:17:52.843: E/AndroidRuntime(19782): at android.support.v4.app.Fragment.instantiate(Fragment.java:385)
05-15 23:17:52.843: E/AndroidRuntime(19782): ... 23 more
You problem is the way you added google-play-services
to your project:
I have copied the google-play-services.jar in libs folder and set in the build path of eclipse.
This is wrong! Read the first 3 steps of this blog post I wrote to get an idea of how to do it correctly:
In short, you should import google-play-services
as a project in your workspace.
and then reference it from your project.
this should be the result:
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