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Я пытаюсь выяснить, как получить Gmail Contacts в моем app.Fetch Gmail Контакты Приложение для Android
О реализации коды в ссылке https://developers.google.com/google-apps/contacts/v3/#updating_contacts
Я получаю исключение, указанное ниже: -
Но я получаю исключение, которое Caused by: java.lang.NullPointerException com.google.gdata.client.http.HttpGDataRequest.isOAuthProxyErrorResponse
И используя примерный код на http://androidwarzone.blogspot.in/2011/07/android-oauth-full-example-with-source.html
Я получаю исключение, как: -
03-07 17:05:21.601: E/AndroidRuntime(18754): java.lang.NoClassDefFoundError: Failed resolution of: Loauth/signpost/commonshttp/CommonsHttpOAuthConsumer;
03-07 17:05:21.601: E/AndroidRuntime(18754): at com.netcomps.oauth_example.RequestTokenActivity.onCreate(RequestTokenActivity.java:32)
03-07 17:05:21.601: E/AndroidRuntime(18754): at android.app.Activity.performCreate(Activity.java:5990)
03-07 17:05:21.601: E/AndroidRuntime(18754): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106)
03-07 17:05:21.601: E/AndroidRuntime(18754): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278)
03-07 17:05:21.601: E/AndroidRuntime(18754): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
03-07 17:05:21.601: E/AndroidRuntime(18754): at android.app.ActivityThread.access$800(ActivityThread.java:151)
03-07 17:05:21.601: E/AndroidRuntime(18754): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)
03-07 17:05:21.601: E/AndroidRuntime(18754): at android.os.Handler.dispatchMessage(Handler.java:102)
03-07 17:05:21.601: E/AndroidRuntime(18754): at android.os.Looper.loop(Looper.java:135)
03-07 17:05:21.601: E/AndroidRuntime(18754): at android.app.ActivityThread.main(ActivityThread.java:5254)
03-07 17:05:21.601: E/AndroidRuntime(18754): at java.lang.reflect.Method.invoke(Native Method)
03-07 17:05:21.601: E/AndroidRuntime(18754): at java.lang.reflect.Method.invoke(Method.java:372)
03-07 17:05:21.601: E/AndroidRuntime(18754): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)
03-07 17:05:21.601: E/AndroidRuntime(18754): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)
03-07 17:05:21.601: E/AndroidRuntime(18754): Caused by: java.lang.ClassNotFoundException: Didn't find class "oauth.signpost.commonshttp.CommonsHttpOAuthConsumer" on path: DexPathList[[zip file "/data/app/com.netcomps.oauth_example-2/base.apk"],nativeLibraryDirectories=[/vendor/lib, /system/lib]]
03-07 17:05:21.601: E/AndroidRuntime(18754): at dalvik.system.BaseDexClassLoader.findClass(BaseDexClassLoader.java:56)
03-07 17:05:21.601: E/AndroidRuntime(18754): at java.lang.ClassLoader.loadClass(ClassLoader.java:511)
03-07 17:05:21.601: E/AndroidRuntime(18754): at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
03-07 17:05:21.601: E/AndroidRuntime(18754): ... 14 more
03-07 17:05:21.601: E/AndroidRuntime(18754): Suppressed: java.lang.ClassNotFoundException: oauth.signpost.commonshttp.CommonsHttpOAuthConsumer
03-07 17:05:21.601: E/AndroidRuntime(18754): at java.lang.Class.classForName(Native Method)
03-07 17:05:21.601: E/AndroidRuntime(18754): at java.lang.BootClassLoader.findClass(ClassLoader.java:781)
03-07 17:05:21.601: E/AndroidRuntime(18754): at java.lang.BootClassLoader.loadClass(ClassLoader.java:841)
03-07 17:05:21.601: E/AndroidRuntime(18754): at java.lang.ClassLoader.loadClass(ClassLoader.java:504)
03-07 17:05:21.601: E/AndroidRuntime(18754): ... 15 more
03-07 17:05:21.601: E/AndroidRuntime(18754): Caused by: java.lang.NoClassDefFoundError: Class not found using the boot class loader; no stack available
Не могли бы вы помочь мне.
Любая помощь будет глубоко улажена.
возможно дубликат http://stackoverflow.com/questions/34494261/android-accessing -google-электронных таблиц будет шоу-NullPointerException-после- – abielita