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我正在尝试使用新的 Google Invitation api，但在尝试发送邀请时遇到了异常。我已将此添加到我的 gradle 文件中：

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

我的代码编译得很好。不知道出了什么问题。这是一个例外：

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
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1 回答 1

0

看起来我错过了说明中的两个部分：

将依赖项添加到项目的顶级 build.gradle：

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

将插件添加到您的应用级 build.gradle：

apply plugin: 'com.google.gms.google-services'
于 2015-07-09T21:33:59.273 回答