我已经将应用程序迁移到Android Studio 3中的Android O 3
在Android O模拟器上运行我的所有对话范围现在失败： -
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java.lang.IllegalStateException: Fragment MyDialogFragment{43ccf50 #2 MyDialogFragment} declared target fragment SettingsFragment{ceed549 #0 id=0x7f0f0142 android:switcher:2131689794:0} that does not belong to this FragmentManager!
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at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1316)
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at android.support.v4.app.FragmentManagerImpl.moveFragmentToExpectedState(FragmentManager.java:1624)
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at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1689)
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at android.support.v4.app.BackStackRecord.executeOps(BackStackRecord.java:794)
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at android.support.v4.app.FragmentManagerImpl.executeOps(FragmentManager.java:2470)
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at android.support.v4.app.FragmentManagerImpl.executeOpsTogether(FragmentManager.java:2260)
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at android.support.v4.app.FragmentManagerImpl.optimizeAndExecuteOps(FragmentManager.java:2213)
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at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:2122)
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at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:746)
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at android.os.Handler.handleCallback(Handler.java:769)
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at android.os.Handler.dispatchMessage(Handler.java:98)
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at android.os.Looper.loop(Looper.java:164)
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at android.app.ActivityThread.main(ActivityThread.java:6535)
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at java.lang.reflect.Method.invoke(Native Method)
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at com.android.internal.os.Zygote$MethodAndArgsCaller.run(Zygote.java:240)
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at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:767)
我没有进行任何代码更改。
现在正在使用的对话fragments现在失败显示的Android O中发生了什么变化？
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Android Studio 3.0 Canary 1
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Build
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JRE: 1.8.0_112-release-b736 x86_64
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JVM: OpenJDK 64-Bit Server VM by JetBrains s.r.o
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Mac OS X 10.11.6
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compileSdkVersion 'android-O'
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buildToolsVersion "26.0.0-rc2"
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AndroidManifest.xml
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defaultConfig {
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minSdkVersion 16
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targetSdkVersion 'O'
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}
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compile 'com.android.support:appcompat-v7:26.0.0-beta1'
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compile 'com.android.support:cardview-v7:26.0.0-beta1'
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compile 'com.android.support:design:26.0.0-beta1'
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compile 'com.android.support:percent:26.0.0-beta1'
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dependencies {
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classpath 'com.android.tools.build:gradle:3.0.0-alpha1'
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}
看答案
我遇到了同样的问题，绝对是一个Android错误。当您使用它作为目标显示出另一个片段的片段时，就会发生这种情况。作为解决方法，您可以使用：
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O)
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getActivity().getFragmentManager().beginTransaction().add(dialogFrag, "dialog").commit();
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else
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getChildFragmentManager().beginTransaction().add(dialogFrag,"dialog").commit();
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