无法解决错误 - java.lang.NoClassDefFoundError：com.google.android.gms.R $字符串

我已经在StackOverflow中看到这个问题，但刚刚提到的解决方案导入谷歌播放服务。我做到了，但仍然没有这个错误，我的应用程序在开始时崩溃。我想使用谷歌地图，并已获得API密钥，并将其放入应用程序。正如我所说，我已经导入了谷歌播放服务，但事情不起作用，应用程序崩溃在我的手机上运行它。我的堆栈跟踪是 - ：

12-26 12:11:41.563: E/AndroidRuntime(17574): FATAL EXCEPTION: main 
    12-26 12:11:41.563: E/AndroidRuntime(17574): Process: com.example.pranav.iskconapp, PID: 17574 
    12-26 12:11:41.563: E/AndroidRuntime(17574): java.lang.NoClassDefFoundError: com.google.android.gms.R$string 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at com.google.android.gms.measurement.zza.<init>(Unknown Source) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at com.google.android.gms.measurement.zza.zzaR(Unknown Source) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at com.google.android.gms.measurement.internal.zzn.zziJ(Unknown Source) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at com.google.android.gms.measurement.internal.zzz.zza(Unknown Source) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at com.google.android.gms.measurement.internal.zzw.<init>(Unknown Source) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at com.google.android.gms.measurement.internal.zzaa.zzDj(Unknown Source) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at com.google.android.gms.measurement.internal.zzw.zzaT(Unknown Source) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at com.google.android.gms.measurement.AppMeasurementContentProvider.onCreate(Unknown Source) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at android.content.ContentProvider.attachInfo(ContentProvider.java:1656) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at android.content.ContentProvider.attachInfo(ContentProvider.java:1627) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at android.app.ActivityThread.installProvider(ActivityThread.java:5008) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at android.app.ActivityThread.installContentProviders(ActivityThread.java:4582) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at android.app.ActivityThread.handleBindApplication(ActivityThread.java:4522) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at android.app.ActivityThread.access$1500(ActivityThread.java:151) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1381) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at android.os.Handler.dispatchMessage(Handler.java:110) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at android.os.Looper.loop(Looper.java:193) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at android.app.ActivityThread.main(ActivityThread.java:5292) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at java.lang.reflect.Method.invokeNative(Native Method) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at java.lang.reflect.Method.invoke(Method.java:515) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:828) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:644) 
    12-26 12:11:41.563: E/AndroidRuntime(17574): at dalvik.system.NativeStart.main(Native Method) 
    12-26 12:11:41.636: E/STBMonitorReceiver(15953): dropboxTag:data_app_crash;dropboxTime:1451112101576 
    12-26 12:11:41.654: E/STBIntentService(15953): Service Started.. 
    12-26 12:11:41.691: E/StabilityMonitor(15953): [APRReport] get APRReport from memory 
    12-26 12:11:41.756: E/STBIntentService(15953): send error message:data_app_crash;1451112101576(pkgName:com.example.pranav.iskconapp;version:1.0;versionCode:1) to BBS for ANR/FC/TOMB_STONE... 
    12-26 12:11:41.757: E/STBIntentService(15953): Add /data/system/dropbox/[email protected] into short queue... 
    12-26 12:11:41.757: E/STBIntentService(15953): DMC enabled... 
    12-26 12:11:41.758: E/STBIntentService(15953): alarm had already been set... 
    12-26 12:11:41.759: E/STBIntentService(15953): Service Destroyed.. 
    12-26 12:11:42.158: E/SharedPreferencesImpl(1051): Couldn't create directory for SharedPreferences file /data/data/com.fihtdc.weather/shared_prefs/Configs.xml 
    12-26 12:11:42.159: E/SharedPreferencesImpl(1051): Couldn't create directory for SharedPreferences file /data/data/com.fihtdc.weather/shared_prefs/Configs.xml

加入谷歌播放服务项目到我的项目后，它增加了谷歌播放服务的文件夹

里面有3个文件 - ：

来源

2015-12-26 pranav shukla

尝试建立和清洁？ – CynePhoba12

是的，我也试过这个，但它没有工作 –

另外我有一个混乱的意思是在Android工作室添加项目，我只是使用导入.jar文件 –

您需要在Android Studio中添加build.gradle中的依赖项。

dependencies { 
    compile fileTree(dir: 'libs', include: ['*.jar']) 
    compile 'com.google.android.gms:play-services:8.1.0' 
}

来源

2015-12-26 07:07:34

我已经添加了 –

也同步，那么你的分类应该被添加。 –

很明显，我做到了这一点 –

无法解决错误 - java.lang.NoClassDefFoundError：com.google.android.gms.R $字符串

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