我在实现Facebook共享信息时遇到了这样一个wierd错误。我做了所有的阶段,因为他们在Facebook教程Facebook教程-分享信息
但是当我试图创建WebDialog.feedDialog的示例时
private void publishFeedDialog() {
Bundle params = new Bundle();
params.putString("name", getString(R.string.name_fb));
params.putString("description", getString(R.string.description_fb));
params.putString("link", getString(R.string.share_link_fb));
params.putString("picture", getString(R.string.pictute_url_fb));
Session session = Session.getActiveSession();
Log.i(TAG, "session = " + session + " isOpen = " + session.isOpened() + " isClosed = " + session.isClosed());
WebDialog feedDialog = (new WebDialog.FeedDialogBuilder(this, Session.getActiveSession(), params))
.setOnCompleteListener(new OnCompleteListener() {
@Override
public void onComplete(Bundle values, FacebookException error) {
if (error == null) {
// When the story is posted, echo the success and the post Id.
final String postId = values.getString("post_id");
if (postId != null) {
Toast.makeText(MainActivity.this, "Posted story, id: " + postId,
Toast.LENGTH_SHORT).show();
} else {
// User clicked the Cancel button
Toast.makeText(MainActivity.this, "Publish cancelled",
Toast.LENGTH_SHORT).show();
}
} else if (error instanceof FacebookOperationCanceledException) {
// User clicked the "x" button
Toast.makeText(MainActivity.this, "Publish cancelled", Toast.LENGTH_SHORT).show();
} else {
// Generic, ex: network error
Toast.makeText(MainActivity.this, "Error posting story", Toast.LENGTH_SHORT).show();
}
}
}).build();
feedDialog.show();
}
我发现FacebookException!
09-22 19:34:49.325: E/ActivityThread(12202): Failed to find provider info for com.facebook.katana.provider.PlatformProvider
09-22 19:34:49.325: I/MainActivity(12202): session = {Session state:CREATED, token:{AccessToken token:ACCESS_TOKEN_REMOVED permissions:[]}, appId:1111111111111} isOpen = false isClosed = false
09-22 19:34:49.325: D/AndroidRuntime(12202): Shutting down VM
09-22 19:34:49.325: W/dalvikvm(12202): threadid=1: thread exiting with uncaught exception (group=0x418cc700)
09-22 19:34:49.325: E/ActivityThread(12202): Failed to find provider info for com.facebook.wakizashi.provider.PlatformProvider
09-22 19:34:49.405: D/dalvikvm(12202): GC_FOR_ALLOC freed 891K, 9% free 10493K/11452K, paused 21ms, total 21ms
09-22 19:34:52.365: E/AndroidRuntime(12202): FATAL EXCEPTION: main
09-22 19:34:52.365: E/AndroidRuntime(12202): java.lang.IllegalStateException: Could not execute method of the activity
09-22 19:34:52.365: E/AndroidRuntime(12202): at android.view.View$1.onClick(View.java:3633)
09-22 19:34:52.365: E/AndroidRuntime(12202): at android.view.View.performClick(View.java:4240)
09-22 19:34:52.365: E/AndroidRuntime(12202): at android.view.View$PerformClick.run(View.java:17721)
09-22 19:34:52.365: E/AndroidRuntime(12202): at android.os.Handler.handleCallback(Handler.java:730)
09-22 19:34:52.365: E/AndroidRuntime(12202): at android.os.Handler.dispatchMessage(Handler.java:92)
09-22 19:34:52.365: E/AndroidRuntime(12202): at android.os.Looper.loop(Looper.java:137)
09-22 19:34:52.365: E/AndroidRuntime(12202): at android.app.ActivityThread.main(ActivityThread.java:5103)
09-22 19:34:52.365: E/AndroidRuntime(12202): at java.lang.reflect.Method.invokeNative(Native Method)
09-22 19:34:52.365: E/AndroidRuntime(12202): at java.lang.reflect.Method.invoke(Method.java:525)
09-22 19:34:52.365: E/AndroidRuntime(12202): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
09-22 19:34:52.365: E/AndroidRuntime(12202): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
09-22 19:34:52.365: E/AndroidRuntime(12202): at dalvik.system.NativeStart.main(Native Method)
09-22 19:34:52.365: E/AndroidRuntime(12202): Caused by: java.lang.reflect.InvocationTargetException
09-22 19:34:52.365: E/AndroidRuntime(12202): at java.lang.reflect.Method.invokeNative(Native Method)
09-22 19:34:52.365: E/AndroidRuntime(12202): at java.lang.reflect.Method.invoke(Method.java:525)
09-22 19:34:52.365: E/AndroidRuntime(12202): at android.view.View$1.onClick(View.java:3628)
09-22 19:34:52.365: E/AndroidRuntime(12202): ... 11 more
09-22 19:34:52.365: E/AndroidRuntime(12202): Caused by: com.facebook.FacebookException: Attempted to use a Session that was not open.
09-22 19:34:52.365: E/AndroidRuntime(12202): at com.facebook.widget.WebDialog$BuilderBase.<init>(WebDialog.java:485)
09-22 19:34:52.365: E/AndroidRuntime(12202): at com.facebook.widget.WebDialog$FeedDialogBuilder.<init>(WebDialog.java:669)
09-22 19:34:52.365: E/AndroidRuntime(12202): at com.kaeriasarl.psslite.activities.MainActivity.publishFeedDialog(MainActivity.java:131)
09-22 19:34:52.365: E/AndroidRuntime(12202): at com.kaeriasarl.psslite.activities.MainActivity.shareLinkToFacebook(MainActivity.java:116)
09-22 19:34:52.365: E/AndroidRuntime(12202): at com.kaeriasarl.psslite.activities.MainActivity.onClickFeature(MainActivity.java:99)
09-22 19:34:52.365: E/AndroidRuntime(12202): ... 14 more
09-22 19:34:52.475: I/GAV3(12202): Thread[GAThread,5,main]: No campaign data found.
正如我从日志中所理解的,主要问题是Session.getActiveSession()的结果不应该为null,应该打开,但正如我所看到的,Session状态仅为CREATED!但正如Facebook教程所说,我完成了所有阶段!救命!
经过调查,我解决了我的问题:
1) 在创建feedDialog之前,我应该检查是否打开了Active Session,如果没有,我应该直接打开Active Session
if (Session.getActiveSession() == null || !Session.getActiveSession().isOpened()) {
Session.openActiveSession(MainActivity.this, true, callback);
} else {
publishFeedDialog();
}
2) 并在Session.StatusCallback中调用publishFeedDialog()
private Session.StatusCallback callback = new Session.StatusCallback() {
@Override
public void call(Session session, SessionState state, Exception exception) {
if (state.isOpened() && isFbShare) {
publishFeedDialog();
}
}
};
除了上面接受的答案外,如果这是第一次用户体验流,则用户需要登录以创建会话。为了做到这一点,你需要将LoginActivity添加到你的AndroidManifest.xml-
<activity
android:name="com.facebook.LoginActivity"
android:label="@string/title_activity_facebook_login" >
</activity>