Question

我正在尝试在Fragment类中创建简单的todolist 我没有任何错误但是当我运行应用程序时，它会在我尝试访问todolist时立即停止工作 - 我不确定哪个部分我做错了

03-04 18:42:29.487: E/AndroidRuntime(7055): FATAL EXCEPTION: main
03-04 18:42:29.487: E/AndroidRuntime(7055): Process: com.projecttracker, PID: 7055
03-04 18:42:29.487: E/AndroidRuntime(7055): android.view.InflateException: Binary XML file line #9: Error inflating class fragment
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:713)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at com.projecttracker.TodolistFragment.onCreateView(TodolistFragment.java:36)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.Fragment.performCreateView(Fragment.java:1460)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:884)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1066)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.FragmentManagerImpl.addFragment(FragmentManager.java:1168)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:280)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at com.projecttracker.TodolistFragment.onCreateView(TodolistFragment.java:36)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.Fragment.performCreateView(Fragment.java:1460)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:911)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1088)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1444)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:429)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.os.Handler.handleCallback(Handler.java:733)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.os.Handler.dispatchMessage(Handler.java:95)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.os.Looper.loop(Looper.java:136)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.app.ActivityThread.main(ActivityThread.java:5017)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at java.lang.reflect.Method.invokeNative(Native Method)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at java.lang.reflect.Method.invoke(Method.java:515)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at dalvik.system.NativeStart.main(Native Method)
03-04 18:42:29.487: E/AndroidRuntime(7055): Caused by: java.lang.IllegalArgumentException: Binary XML file line #9: Duplicate id 0x7f0a000c, tag null, or parent id 0x0 with another fragment for com.projecttracker.TodolistFragment
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:285)
03-04 18:42:29.487: E/AndroidRuntime(7055):     at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:685)
03-04 18:42:29.487: E/AndroidRuntime(7055):     ... 29 more

Answer 1

在fragment_todolist.xml中，您有两个具有相同android:id值的视图元素（在第9行重复）。让它们都是独一无二的

Answer 2

尝试在onCreateView方法中添加它 -

 super.onCreateView(inflater, container, savedInstanceState);

在你膨胀之前

：

View rootView = inflater.inflate(R.layout.fragment_todolist, container,
                false);

public class TodolistFragment extends Fragment实现OnClickListener，OnKeyListener {

2 个答案: