私は Android アプリケーションの開発を学んでいますが、最初のプロジェクトで問題に遭遇しました。私はチュートリアル (Derek Banas) に従って、ユーザーがテキストを入力し、ボタンを押すと、アプリがそのテキストを出力できるようにするアプリを作成しています。コードを作成し、エラーは発生していませんが、エミュレーターでアプリを実行すると、「残念ながら、(アプリ名) が停止しました。ログの猫は次のとおりです。
08-23 17:51:36.026: D/AndroidRuntime(800): Shutting down VM
08-23 17:51:36.063: W/dalvikvm(800): threadid=1: thread exiting with uncaught exception (group=0x414c4700)
08-23 17:51:36.196: E/AndroidRuntime(800): FATAL EXCEPTION: main
08-23 17:51:36.196: E/AndroidRuntime(800): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.nick.android.nick/com.nick.android.nick.MainActivity}: java.lang.RuntimeException: Binary XML file line #12: You must supply a layout_height attribute.
08-23 17:51:36.196: E/AndroidRuntime(800): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2211)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2261)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.app.ActivityThread.access$600(ActivityThread.java:141)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1256)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.os.Handler.dispatchMessage(Handler.java:99)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.os.Looper.loop(Looper.java:137)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.app.ActivityThread.main(ActivityThread.java:5103)
08-23 17:51:36.196: E/AndroidRuntime(800): at java.lang.reflect.Method.invokeNative(Native Method)
08-23 17:51:36.196: E/AndroidRuntime(800): at java.lang.reflect.Method.invoke(Method.java:525)
08-23 17:51:36.196: E/AndroidRuntime(800): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
08-23 17:51:36.196: E/AndroidRuntime(800): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
08-23 17:51:36.196: E/AndroidRuntime(800): at dalvik.system.NativeStart.main(Native Method)
08-23 17:51:36.196: E/AndroidRuntime(800): Caused by: java.lang.RuntimeException: Binary XML file line #12: You must supply a layout_height attribute.
08-23 17:51:36.196: E/AndroidRuntime(800): at android.content.res.TypedArray.getLayoutDimension(TypedArray.java:491)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.view.ViewGroup$LayoutParams.setBaseAttributes(ViewGroup.java:5820)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.view.ViewGroup$MarginLayoutParams.<init>(ViewGroup.java:5988)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.widget.LinearLayout$LayoutParams.<init>(LinearLayout.java:1831)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.widget.LinearLayout.generateLayoutParams(LinearLayout.java:1743)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.widget.LinearLayout.generateLayoutParams(LinearLayout.java:58)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.view.LayoutInflater.rInflate(LayoutInflater.java:757)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
08-23 17:51:36.196: E/AndroidRuntime(800): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:267)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.app.Activity.setContentView(Activity.java:1895)
08-23 17:51:36.196: E/AndroidRuntime(800): at com.nick.android.nick.MainActivity.onCreate(MainActivity.java:17)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.app.Activity.performCreate(Activity.java:5133)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
08-23 17:51:36.196: E/AndroidRuntime(800): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2175)
08-23 17:51:36.196: E/AndroidRuntime(800): ... 11 more