[Android Q&A, Help & Troubleshooting] Marcatus:
So I tried to run again. Its says in the emulator: :"Tryapp has stopped"

And i get an error in the logcat

"07-15 02:48:47.680: I/Process(834): Sending signal. PID: 834 SIG: 9

07-15 02:51:16.800: D/AndroidRuntime(876): Shutting down VM

07-15 02:51:16.800: W/dalvikvm(876): threadid=1: thread exiting with uncaught exception (group=0xb3ac5d70)

07-15 02:51:16.840: E/AndroidRuntime(876): FATAL EXCEPTION: main

07-15 02:51:16.840: E/AndroidRuntime(876): Process: com.example.tryapp, PID: 876

07-15 02:51:16.840: E/AndroidRuntime(876): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.tryapp/com.example.tryapp.MainActivity}: android.util.AndroidRuntimeException: You cannot combine swipe dismissal and the action bar.

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2197)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2258)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.app.ActivityThread.access$800(ActivityThread.java:138)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1209)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.os.Handler.dispatchMessage(Handler.java:102)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.os.Looper.loop(Looper.java:136)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.app.ActivityThread.main(ActivityThread.java:5026)

07-15 02:51:16.840: E/AndroidRuntime(876):	at java.lang.reflect.Method.invokeNative(Native Method)

07-15 02:51:16.840: E/AndroidRuntime(876):	at java.lang.reflect.Method.invoke(Method.java:515)

07-15 02:51:16.840: E/AndroidRuntime(876):	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:777)

07-15 02:51:16.840: E/AndroidRuntime(876):	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:602)

07-15 02:51:16.840: E/AndroidRuntime(876):	at dalvik.system.NativeStart.main(Native Method)

07-15 02:51:16.840: E/AndroidRuntime(876): Caused by: android.util.AndroidRuntimeException: You cannot combine swipe dismissal and the action bar.

07-15 02:51:16.840: E/AndroidRuntime(876):	at com.android.internal.policy.impl.PhoneWindow.requestFeature(PhoneWindow.java:275)

07-15 02:51:16.840: E/AndroidRuntime(876):	at com.android.internal.policy.impl.PhoneWindow.generateLayout(PhoneWindow.java:2872)

07-15 02:51:16.840: E/AndroidRuntime(876):	at com.android.internal.policy.impl.PhoneWindow.installDecor(PhoneWindow.java:3129)

07-15 02:51:16.840: E/AndroidRuntime(876):	at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:303)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.app.Activity.setContentView(Activity.java:1930)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.support.v7.app.ActionBarActivity.superSetContentView(ActionBarActivity.java:217)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.support.v7.app.ActionBarActivityDelegateICS.setContentView(ActionBarActivityDelegateICS.java:110)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.support.v7.app.ActionBarActivity.setContentView(ActionBarActivity.java:77)

07-15 02:51:16.840: E/AndroidRuntime(876):	at com.example.tryapp.MainActivity.onCreate(MainActivity.java:14)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.app.Activity.performCreate(Activity.java:5242)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)

07-15 02:51:16.840: E/AndroidRuntime(876):	at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2161)

07-15 02:51:16.840: E/AndroidRuntime(876):	... 11 more"