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[android]Troubleshooting: Error inflating class android.support.v7.widget.GridLayout

テスト時には起こらなかったのですが、Google Play に製品版として公開したアプリがクラッシュしました。 クラッシュ時のレポートを送ってみると、以下のようなものでした。 なんとなく、android.support.v7.widget.GridLayout でクラッシュしているのはわかります。

android.view.InflateException: Binary XML file line #39: Error inflating class android.support.v7.widget.GridLayout
at android.view.LayoutInflater.createView(LayoutInflater.java:613)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:687)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:746)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:749)
at android.view.LayoutInflater.inflate(LayoutInflater.java:489)
at android.view.LayoutInflater.inflate(LayoutInflater.java:396)
at xxx.xxx.xxx.MainActivity$MainFragment.onCreateView(MainActivity.java:145)
at android.support.v4.app.Fragment.performCreateView(Fragment.java:1500)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:927)
at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1104)
at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1467)
at android.support.v4.app.FragmentManagerImpl.executePendingTransactions(FragmentManager.java:472)
at android.support.v4.app.FragmentTabHost.onAttachedToWindow(FragmentTabHost.java:283)
at android.view.View.dispatchAttachedToWindow(View.java:12044)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2446)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2453)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2453)
at android.view.ViewGroup.dispatchAttachedToWindow(ViewGroup.java:2453)
at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1248)
at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1014)
at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:4495)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:749)
at android.view.Choreographer.doCallbacks(Choreographer.java:562)
at android.view.Choreographer.doFrame(Choreographer.java:532)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:735)
at android.os.Handler.handleCallback(Handler.java:725)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5159)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:511)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:810)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:577)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:417)
at android.view.LayoutInflater.createView(LayoutInflater.java:587)
... 34 more
Caused by: java.lang.NoClassDefFoundError: android.support.v7.gridlayout.R$dimen
at android.support.v7.widget.GridLayout.<init>(GridLayout.java:270)
at android.support.v7.widget.GridLayout.<init>(GridLayout.java:289)
... 37 more

やったこと

以下、3点やったことで改善しました。どれが必要でどれが不要だったのかという切り分けができていませんが

  • すべてのプロジェクトの clean
  • android-support-v7-gridlayout.jar をライブラリプロジェクト android-support-v7-gridlayout から、プロジェクトの libs フォルダにコピー
  • project.propertiesandroid.library=false を追記
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