Android 在墙上的Facebook上发布消息后出错
我目前正在LogCat上运行此错误Android 在墙上的Facebook上发布消息后出错,android,facebook,Android,Facebook,我目前正在LogCat上运行此错误 10-22 18:58:43.449: E/AndroidRuntime(8521): FATAL EXCEPTION: main 10-22 18:58:43.449: E/AndroidRuntime(8521): java.lang.NullPointerException 10-22 18:58:43.449: E/AndroidRuntime(8521): at android.widget.Toast.<init>(Toast.
10-22 18:58:43.449: E/AndroidRuntime(8521): FATAL EXCEPTION: main
10-22 18:58:43.449: E/AndroidRuntime(8521): java.lang.NullPointerException
10-22 18:58:43.449: E/AndroidRuntime(8521): at android.widget.Toast.<init>(Toast.java:92)
10-22 18:58:43.449: E/AndroidRuntime(8521): at android.widget.Toast.makeText(Toast.java:238)
10-22 18:58:43.449: E/AndroidRuntime(8521): at com.sevenskylab.karapansapi.MainFragment$2.onCompleted(MainFragment.java:145)
10-22 18:58:43.449: E/AndroidRuntime(8521): at com.facebook.Request$4.run(Request.java:1669)
10-22 18:58:43.449: E/AndroidRuntime(8521): at android.os.Handler.handleCallback(Handler.java:615)
10-22 18:58:43.449: E/AndroidRuntime(8521): at android.os.Handler.dispatchMessage(Handler.java:92)
10-22 18:58:43.449: E/AndroidRuntime(8521): at android.os.Looper.loop(Looper.java:137)
10-22 18:58:43.449: E/AndroidRuntime(8521): at android.app.ActivityThread.main(ActivityThread.java:4745)
10-22 18:58:43.449: E/AndroidRuntime(8521): at java.lang.reflect.Method.invokeNative(Native Method)
10-22 18:58:43.449: E/AndroidRuntime(8521): at java.lang.reflect.Method.invoke(Method.java:511)
10-22 18:58:43.449: E/AndroidRuntime(8521): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
10-22 18:58:43.449: E/AndroidRuntime(8521): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
10-22 18:58:43.449: E/AndroidRuntime(8521): at dalvik.system.NativeStart.main(Native Method)
消息运行“posted successfully”,表示我已完成与Facebook的共享
应用程序然后强制关闭,我已经搜索了几个小时的解决方案
有人能帮我吗
编辑:这是我的回调响应代码,从第145行开始
@Override
public void onCompleted(Response response)
{
FacebookRequestError error = response.getError();
if (error != null){
//Toast.makeText(getActivity() , error.getErrorMessage(), Toast.LENGTH_SHORT).show();
//getActivity().finish();
Cocos2dxHelper.setStringForKey("messageCB", error.getErrorMessage());
}
else{
// getActivity().runOnUiThread(new runnable(){
// public void run(){
// Log.d("UI thread", "I am the UI thread");
// }
// });
//Toast.makeText(getActivity(), "Message posted succesfully", Toast.LENGTH_SHORT).show();
//getActivity().finish();
Cocos2dxHelper.setStringForKey("messageCB", "Message posted succesfully");
}
//getApplicationContext().finish();
getActivity().finish();
Log.i("cocos2d-x debug info", Cocos2dxHelper.getStringForKey("messageCB", "unknown"));
AndroidNDKHelper.SendMessageWithParameters("Share", null);
}
我必须先禁用toast,然后通知弹出窗口进入下一个活动。您的
toast
似乎缺少上下文。当输入onCompleted方法时,尝试使用getApplicationContext()
而不是getActivity()
哪个代码位于MainFragment.java第145行。看看上面,我更新了我的问题。谢谢。我将getActivity设置为与getApplicationContext()相同。我还尝试将其更改为仅getApplicationContext(),但仍然无法获得任何结果。知道吗?是的,我用上面的代码更新了我的问题。如果我想插入getApplicationContext(),Eclipse似乎也不知道导入到哪里。对不起,我是java新手。我使用C++ NDK,并使用NDKHELPER将一些参数传递给原生。
@Override
public void onCompleted(Response response)
{
FacebookRequestError error = response.getError();
if (error != null){
//Toast.makeText(getActivity() , error.getErrorMessage(), Toast.LENGTH_SHORT).show();
//getActivity().finish();
Cocos2dxHelper.setStringForKey("messageCB", error.getErrorMessage());
}
else{
// getActivity().runOnUiThread(new runnable(){
// public void run(){
// Log.d("UI thread", "I am the UI thread");
// }
// });
//Toast.makeText(getActivity(), "Message posted succesfully", Toast.LENGTH_SHORT).show();
//getActivity().finish();
Cocos2dxHelper.setStringForKey("messageCB", "Message posted succesfully");
}
//getApplicationContext().finish();
getActivity().finish();
Log.i("cocos2d-x debug info", Cocos2dxHelper.getStringForKey("messageCB", "unknown"));
AndroidNDKHelper.SendMessageWithParameters("Share", null);
}