requestFeature () deve ser chamado antes de adicionar erro de conteúdo no super.onCreate
Eu tenho uma classe abstrata estendendoActionBarActivity
. NoonCreate
, Eu tenho:
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
supportRequestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
...
}
O aplicativo falha devido ao requestFeature () antes do erro de conteúdo, especificamente na linhasuper.onCreate(savedInstanceState)
. Depois de ler alguns dos posts semelhantes, eu vim com esta solução:
@Override
protected void onCreate(Bundle savedInstanceState) {
requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS);
super.onCreate(savedInstanceState);
...
}
Minha pergunta é: Por que falha na chamada super? Além disso, eu não sousettingContentView
nas classes que estendem essa classe até DEPOIS que eu chamosuper.onCreate
. Ainda está batendo ocasionalmente.
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.myapp/com.myapp.cycle.Cycle}: android.util.AndroidRuntimeException: requestFeature() must be called before adding content
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2351)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)
at android.app.ActivityThread.access$600(ActivityThread.java:151)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1331)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:155)
at android.app.ActivityThread.main(ActivityThread.java:5454)
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:1029)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:796)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.util.AndroidRuntimeException: requestFeature() must be called before adding content
at com.android.internal.policy.impl.PhoneWindow.requestFeature(PhoneWindow.java:320)
at android.app.Activity.requestWindowFeature(Activity.java:3283)
at android.support.v7.app.ActionBarActivityDelegateICS.onCreate(ActionBarActivityDelegateICS.java:63)
at android.support.v7.app.ActionBarActivity.onCreate(ActionBarActivity.java:98)
at com.myapp.core.activity.MyActivity.onCreate(MyActivity.java:83)
at com.myapp.cycle.Cycle.onCreate(Cycle.java:55)
at android.app.Activity.performCreate(Activity.java:5066)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1101)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2307)
... 11 more