应用程序有一个主要活动和两个片段。主要活动主机MainFragment
和MainFragment
包含提交BreedingFragment
(运行)的按钮。只有当方向没有改变时,应用程序才能正常工作,但当BreedingFragment
打开并且方向改变时会崩溃。Android应用程序崩溃,方向更改
在调查stackoverflow几个小时后,我发现了以下文章,并按照答案,但它没有调试的问题。
- Android Application Crashes With Orientation Changes
- Orientation change Crash Application
- Rotation of screen crashes android app
- My Android application crashes when I change screen orientation
的答案主要是建议使用在AndroidManifest.xml
下面的代码:
android:configChanges="orientation|keyboardHidden|screenSize"
最后一个线程建议以下考虑:
的活动实际上停止并重新启动每次设备 方向变化。您需要编写自己的主题, 即停止线程并在设备更改 方向时重新启动线程,可能会将状态保存在两者之间。
MainActivity:
public class MainActivity extends FragmentActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
}
MainFragment:
public class MainFragment extends Fragment {
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater.inflate(R.layout.fragment_main, container, false);
Button breedButton = (Button) v.findViewById(R.id.pokemon_breeding_button);
breedButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final FragmentManager fragmentManager = getActivity().getSupportFragmentManager();
final FragmentTransaction transaction = fragmentManager.beginTransaction();
transaction.replace(R.id.fragment, new BreedingFragment());
transaction.addToBackStack(null);
transaction.commit();
}
});
return v;
}
}
BreedingFragment:
public class BreedingFragment extends Fragment {
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
return inflater.inflate(R.layout.fragment_breeding, container, false);
}
}
登录猫:
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.revittechnology.zapdos, PID: 12795
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.revittechnology.zapdos/com.revittechnology.zapdos.MainActivity}: android.view.InflateException: Binary XML file line #24: Error inflating class fragment
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2429)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2493)
at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:4014)
at android.app.ActivityThread.access$900(ActivityThread.java:166)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1289)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5590)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1280)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1096)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #24: Error inflating class fragment
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:720)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:762)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:771)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:771)
at android.view.LayoutInflater.inflate(LayoutInflater.java:499)
at android.view.LayoutInflater.inflate(LayoutInflater.java:398)
at android.view.LayoutInflater.inflate(LayoutInflater.java:354)
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:331)
at android.app.Activity.setContentView(Activity.java:2018)
at com.revittechnology.zapdos.MainActivity.onCreate(MainActivity.java:13)
at android.app.Activity.performCreate(Activity.java:5447)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2393)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2493)
at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:4014)
at android.app.ActivityThread.access$900(ActivityThread.java:166)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1289)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5590)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1280)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1096)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.IllegalStateException: Fragment com.revittechnology.zapdos.MainFragment did not create a view.
at android.support.v4.app.FragmentManagerImpl.onCreateView(FragmentManager.java:2319)
at android.support.v4.app.FragmentController.onCreateView(FragmentController.java:120)
at android.support.v4.app.FragmentActivity.dispatchFragmentsOnCreateView(FragmentActivity.java:356)
at android.support.v4.app.BaseFragmentActivityHoneycomb.onCreateView(BaseFragmentActivityHoneycomb.java:31)
at android.support.v4.app.FragmentActivity.onCreateView(FragmentActivity.java:79)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:696)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:762)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:771)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:771)
at android.view.LayoutInflater.inflate(LayoutInflater.java:499)
at android.view.LayoutInflater.inflate(LayoutInflater.java:398)
at android.view.LayoutInflater.inflate(LayoutInflater.java:354)
at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:331)
at android.app.Activity.setContentView(Activity.java:2018)
at com.revittechnology.zapdos.MainActivity.onCreate(MainActivity.java:13)
at android.app.Activity.performCreate(Activity.java:5447)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1094)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2393)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2493)
at android.app.ActivityThread.handleRelaunchActivity(ActivityThread.java:4014)
at android.app.ActivityThread.access$900(ActivityThread.java:166)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1289)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:136)
at android.app.ActivityThread.main(ActivityThread.java:5590)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1280)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1096)
at dalvik.system.NativeStart.main(Native Method)
I/Process: Sending signal. PID: 12795 SIG: 9
Application terminated.
堆栈溢出用于编程问题。你的问题是什么?如果您的问题是“我为什么会崩溃?”,请使用LogCat检查与您的崩溃相关的Java堆栈跟踪:https://stackoverflow.com/questions/23353173/uncomfort-myapp-has-stopped-how-can-i -solve-this – CommonsWare
是的,如果你的问题是关于你正在观察的崩溃的原因,那么请在这里发布crashtracetrace。 – Tobias
你不应该让你的碎片取代自己 –