我知道人們已經問過類似的問題,但我仍然無法管理。我有一個片段,並在onCreateView()
我有一個字符串,我想設置等於我的textView中的文本。然而,我無法讓它工作。有人可以給我一個如何寫它的代碼示例嗎?在onCreateView片段中的setText問題(...)
我已經例如試過這使得應用程序崩潰:
TextView text = (TextView) getActivity().findViewById(R.id.sektion_name_detailed_view);
text.setText("test");
堆棧跟蹤:
06-12 23:02:59.926: W/dalvikvm(2402): threadid=1: thread exiting with uncaught exception (group=0x40a13300)
06-12 23:02:59.933: E/AndroidRuntime(2402): FATAL EXCEPTION: main
06-12 23:02:59.933: E/AndroidRuntime(2402): java.lang.NullPointerException
06-12 23:02:59.933: E/AndroidRuntime(2402): at se.Appsolut.student.DetailedViewSektionerFragment.onCreateView(DetailedViewSektionerFragment.java:21)
06-12 23:02:59.933: E/AndroidRuntime(2402): at android.support.v4.app.Fragment.performCreateView(Fragment.java:1460)
06-12 23:02:59.933: E/AndroidRuntime(2402): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:911)
06-12 23:02:59.933: E/AndroidRuntime(2402): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1088)
06-12 23:02:59.933: E/AndroidRuntime(2402): at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
06-12 23:02:59.933: E/AndroidRuntime(2402): at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1444)
06-12 23:02:59.933: E/AndroidRuntime(2402): at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:429)
06-12 23:02:59.933: E/AndroidRuntime(2402): at android.os.Handler.handleCallback(Handler.java:615)
06-12 23:02:59.933: E/AndroidRuntime(2402): at android.os.Handler.dispatchMessage(Handler.java:92)
06-12 23:02:59.933: E/AndroidRuntime(2402): at android.os.Looper.loop(Looper.java:137)
06-12 23:02:59.933: E/AndroidRuntime(2402): at android.app.ActivityThread.main(ActivityThread.java:4745)
06-12 23:02:59.933: E/AndroidRuntime(2402): at java.lang.reflect.Method.invokeNative(Native Method)
06-12 23:02:59.933: E/AndroidRuntime(2402): at java.lang.reflect.Method.invoke(Method.java:511)
06-12 23:02:59.933: E/AndroidRuntime(2402): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:786)
06-12 23:02:59.933: E/AndroidRuntime(2402): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
06-12 23:02:59.933: E/AndroidRuntime(2402): at dalvik.system.NativeStart.main(Native Method)
你能後的崩潰日誌嗎? – BlackHatSamurai
可能的重複:http://stackoverflow.com/questions/3275467/android-set-text-to-textview – BlackHatSamurai
你是對的這是同一個問題,但「答案」不適合我。 –