Google App Invites：java.lang.ClassNotFoundException：找不到類「com.google.android.gms.appinvite.AppInviteInvitation $ IntentBuilder」

我試圖使用新的Google邀請api，並且收到一個異常當試圖發送邀請時。我已經添加到我的gradle文件中：

compile 'com.google.android.gms:play-services-appinvite:7+'

而我的代碼編譯得很好。不知道有什麼問題。這裏是個例外：

Process: mypackage, PID: 17623 
    java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/android/gms/appinvite/AppInviteInvitation$IntentBuilder; 
      at mypackage.MyActivity.sendInvitation(MyActivity.java:452) 
      at mypackage.MyActivity$35.share(MyActivity.java:2749) 
      at mypackage.dialogs.VideoListDialog$VideoListAdapter$ViewHolder.onClick(VideoListDialog.java:236) 
      at android.view.View.performClick(View.java:4780) 
      at android.view.View$PerformClick.run(View.java:19866) 
      at android.os.Handler.handleCallback(Handler.java:739) 
      at android.os.Handler.dispatchMessage(Handler.java:95) 
      at android.os.Looper.loop(Looper.java:135) 
      at android.app.ActivityThread.main(ActivityThread.java:5254) 
      at java.lang.reflect.Method.invoke(Native Method) 
      at java.lang.reflect.Method.invoke(Method.java:372) 
      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) 
      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
    Caused by: java.lang.ClassNotFoundException: Didn't find class "com.google.android.gms.appinvite.AppInviteInvitation$IntentBuilder" on path: DexPathList[[zip file "/data/app/mypackage-2/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]] 
      at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56) 
      at java.lang.ClassLoader.loadClass(ClassLoader.java:511) 
      at java.lang.ClassLoader.loadClass(ClassLoader.java:469) 
            at mypackage.MyActivity.sendInvitation(MyActivity.java:452) 
            at mypackage.MyActivity$35.share(MyActivity.java:2749) 
            at mypackage.dialogs.VideoListDialog$VideoListAdapter$ViewHolder.onClick(VideoListDialog.java:236) 
            at android.view.View.performClick(View.java:4780) 
            at android.view.View$PerformClick.run(View.java:19866) 
            at android.os.Handler.handleCallback(Handler.java:739) 
            at android.os.Handler.dispatchMessage(Handler.java:95) 
            at android.os.Looper.loop(Looper.java:135) 
            at android.app.ActivityThread.main(ActivityThread.java:5254) 
            at java.lang.reflect.Method.invoke(Native Method) 
            at java.lang.reflect.Method.invoke(Method.java:372) 
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) 
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
    Suppressed: java.lang.ClassNotFoundException: com.google.android.gms.appinvite.AppInviteInvitation$IntentBuilder 
      at java.lang.Class.classForName(Native Method) 
      at java.lang.BootClassLoader.findClass(ClassLoader.java:781) 
      at java.lang.BootClassLoader.loadClass(ClassLoader.java:841) 
      at java.lang.ClassLoader.loadClass(ClassLoader.java:504) 
      ... 14 more 
    Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available

來源

2015-07-09 casolorz

看起來像我錯過了說明書兩個部分：

添加的依賴到項目的頂級的build.gradle：

classpath 'com.google.gms:google-services:1.3.0-beta1'

添加插件您的應用程序級build.gradle：

apply plugin: 'com.google.gms.google-services'

來源

2015-07-09 21:33:59 casolorz

Google App Invites：java.lang.ClassNotFoundException：找不到類「com.google.android.gms.appinvite.AppInviteInvitation $ IntentBuilder」

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