這是我的片段inputtext_fragment.xml
:android.view.InflateException - 找不到原因
<?xml version="1.0" encoding="utf-8"?>
<fragment
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/inputtextfragm"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<LinearLayout
android:id="@+id/inputtext_layout"
android:visibility="invisible"
android:layout_height="wrap_content"
android:layout_width="match_parent"
...>
...
</LinearLayout>
</fragment>
...和:
package de.company.android.inputtext;
import android.app.Fragment;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
public class InputTextFragment extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
try {
return inflater.inflate(R.layout.inputtext_fragment, container, false);
}
catch (Throwable t) {
t.printStackTrace();
return null;
}
}
}
這是活動佈局:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/layout"
tools:context="de.company.android.testview.MainActivity"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000">
...
<fragment
android:id="@+id/console"
android:name="de.company.android.inputtext.InputTextFragment"
android:layout_width="wrap_content"
android:layout_height="wrap_content"/>
</RelativeLayout>
當活動的內容視圖設置爲onCreate()
時,我在啓動時收到以下錯誤:
d/AndroidRuntime:關閉VM E/AndroidRuntime:致命異常:主 工藝:de.company.android.testview,PID:573 了java.lang.RuntimeException:無法啓動活動ComponentInfo {de.company .android.testview/de.company.android.testview.MainActivity}:android.view.InflateException:二進制XML文件行#153:二進制XML文件行#153:錯誤擴展類片段 at android.app.ActivityThread.performLaunchActivity Activity.Thread.java:3319) at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3415) at android.app.ActivityThread.access $ 1100(ActivityThread.java:229) at android.app.ActivityThread $ Hh在android.app.ActivityThread.main處使用android.os.Looper.loop(Looper.java:148) (andleMessage(ActivityThread.java:1821) at android.os.Handler.dispatchMessage(Handler.java:102) (本地方法) at com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:1230) at com.android.internal .os.ZygoteInit.main(ZygoteInit.java:1120)
引起:android.view.InflateException:二進制XML文件行#153:二進制XML文件行#153:錯誤充氣類片段 ...
引起:java.lang.IllegalStateException:片段de.company.android.inputtext.InputTextFragment未創建視圖。 在android.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2253) 在android.app.FragmentController.onCreateView(FragmentController.java:99) 在android.app.Activity.onCreateView(Activity.java:6085) 在android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:766) 在android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:716) 在android.view.LayoutInflater.rInflate(LayoutInflater.java:847) 在機器人。 view.LayoutInflater.rInflateChildren(LayoutInflater.java:810) at android.view.LayoutInflater.inflate(LayoutInflater.java:527) at android.view.LayoutInflater.inflate(LayoutInflater.java:429) android.view.LayoutInflater.inflate(LayoutInflater.java:380) at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:479) at android.app.Activity.setContentView(Activity.java:2400 ) 在de.company.android.testview.MainActivity.onCreate(MainActivity.java:1697) 在android.app.Activity.performCreate(Activity.java:6904) 在android.app.Instrumentation.callActivityOnCreate(Instrumentation.java :1136) at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3266) at android.app.ActivityThread.handleLaunchActivity(ActivityThread。java:3415) at android.app.ActivityThread.access $ 1100(ActivityThread.java:229) at android.app.ActivityThread $ H.handleMessage(ActivityThread.java:1821) at android.os.Handler.dispatchMessage(Handler .java:102) at android.os.Looper.loop(Looper.java:148) at android.app.ActivityThread.main(ActivityThread.java:7325) at java.lang.reflect.Method.invoke(Native法) 在com.android.internal.os.ZygoteInit $ MethodAndArgsCaller.run(ZygoteInit.java:1230) 在com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)
這是內部記錄的錯誤210:
W/System.err: android.view.InflateException: Binary XML file line #2: Binary XML file line #2: Error inflating class fragment
W/System.err: at android.view.LayoutInflater.inflate(LayoutInflater.java:551)
W/System.err: at android.view.LayoutInflater.inflate(LayoutInflater.java:429)
W/System.err: at de.company.android.inputtext.InputTextFragment.onCreateView(InputTextFragment.java:23)
W/System.err: at android.app.Fragment.performCreateView(Fragment.java:2281)
W/System.err: at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:955)
W/System.err: at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1142)
W/System.err: at android.app.FragmentManagerImpl.addFragment(FragmentManager.java:1246)
W/System.err: at android.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2223)
W/System.err: at android.app.FragmentController.onCreateView(FragmentController.java:99)
W/System.err: at android.app.Activity.onCreateView(Activity.java:6085)
W/System.err: at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:766)
W/System.err: at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:716)
W/System.err: at android.view.LayoutInflater.rInflate(LayoutInflater.java:847)
W/System.err: at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:810)
W/System.err: at android.view.LayoutInflater.inflate(LayoutInflater.java:527)
...
W/System.err: Caused by: java.lang.NullPointerException
W/System.err: at java.lang.VMClassLoader.findLoadedClass(Native Method)
W/System.err: at java.lang.ClassLoader.findLoadedClass(ClassLoader.java:362)
W/System.err: at java.lang.ClassLoader.loadClass(ClassLoader.java:499)
W/System.err: at java.lang.ClassLoader.loadClass(ClassLoader.java:469)
W/System.err: at android.app.Fragment.instantiate(Fragment.java:620)
W/System.err: at android.app.Fragment.instantiate(Fragment.java:598)
W/System.err: at android.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2214)
W/System.err: at android.view.LayoutInflater$FactoryMerger.onCreateView(LayoutInflater.java:192)
W/System.err: at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:766)
W/System.err: ... 33 more
我找不出什麼是錯的。活動和片段位於不同的模塊中,但所有內容都已正確配置,以便正確引用de.company.android.inputtext
utils。
你正試圖將片段膨脹爲自己。一個片段的佈局沒有'fragment'作爲根。使用常規視圖組,例如FrameLayout或LinearLayout。 –