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Ambitioniertes Mitglied
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Folge dem Video um zu sehen, wie unsere Website als Web-App auf dem Startbildschirm installiert werden kann.
Anmerkung: Diese Funktion erfordert derzeit den Zugriff auf die Seite über den integrierten Safari-Browser.
String name = nameField.getText().toString();
if (name.length() == 0) {
Fr4gg0r schrieb:Hi,
bitte sowas in "App-Entwicklung" posten.
Um einen Fehler zu finden, müssen wir vermutlich erstmal die Fehlermeldung wissen, d.h. kopiere bitte den Logcat Auswurf hier rein. (Window -> Show View -> Other -> Logcat).
05-22 11:08:43.160: ERROR/JavaBinder(131): !!! FAILED BINDER TRANSACTION !!!
05-22 11:09:46.300: ERROR/NetworkLocationProvider(131): releaseCheckLocationLock: wake lock has already been released
ActivityThread.performLaunchActivity(ActivityThread$ActivityRecord, Intent) line: 2401 source not found
05-22 11:41:30.651: ERROR/AndroidRuntime(328): FATAL EXCEPTION: main
05-22 11:41:30.651: ERROR/AndroidRuntime(328): java.lang.NullPointerException
05-22 11:41:30.651: ERROR/AndroidRuntime(328): at de.Fr4gg0r.DiceManipulator.manipulator$diceView$2.handleMessage(manipulator.java:166)
05-22 11:41:30.651: ERROR/AndroidRuntime(328): at android.os.Handler.dispatchMessage(Handler.java:99)
05-22 11:41:30.651: ERROR/AndroidRuntime(328): at android.os.Looper.loop(Looper.java:123)
05-22 11:41:30.651: ERROR/AndroidRuntime(328): at android.app.ActivityThread.main(ActivityThread.java:4627)
05-22 11:41:30.651: ERROR/AndroidRuntime(328): at java.lang.reflect.Method.invokeNative(Native Method)
05-22 11:41:30.651: ERROR/AndroidRuntime(328): at java.lang.reflect.Method.invoke(Method.java:521)
05-22 11:41:30.651: ERROR/AndroidRuntime(328): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
05-22 11:41:30.651: ERROR/AndroidRuntime(328): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
05-22 11:41:30.651: ERROR/AndroidRuntime(328): at dalvik.system.NativeStart.main(Native Method)
swordi schrieb:name.length() kann man schon machen. das gibt keine exception solange name != null ist natürlich.
btw: das gehört nicht in den schnipsel bereich
05-22 21:53:59.202: ERROR/AndroidRuntime(778): Uncaught handler: thread main exiting due to uncaught exception
05-22 21:53:59.352: DEBUG/VoiceDialerReceiver(823): onReceive Intent { act=android.intent.action.PACKAGE_CHANGED dat=package:com.amazon.mp3 flg=0x20000000 cmp=com.android.voicedialer/.VoiceDialerReceiver (has extras) }
05-22 21:53:59.602: ERROR/AndroidRuntime(778): java.lang.RuntimeException: Unable to start activity ComponentInfo{tut.leon.matthias/tut.leon.matthias.Settings}: java.lang.NullPointerException
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2496)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2512)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at android.app.ActivityThread.access$2200(ActivityThread.java:119)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1863)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at android.os.Handler.dispatchMessage(Handler.java:99)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at android.os.Looper.loop(Looper.java:123)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at android.app.ActivityThread.main(ActivityThread.java:4363)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at java.lang.reflect.Method.invokeNative(Native Method)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at java.lang.reflect.Method.invoke(Method.java:521)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at dalvik.system.NativeStart.main(Native Method)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): Caused by: java.lang.NullPointerException
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at tut.leon.matthias.Settings.onCreate(Settings.java:27)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2459)
05-22 21:53:59.602: ERROR/AndroidRuntime(778): ... 11 more
setNeutralButton(
"nochmal",
null).
Fr4gg0r schrieb:Wie man sehen kann, befindet sich der Fehler in "Settings" in Zeile 27.
Ich schätze mal:
Code:setNeutralButton( "nochmal", null).
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage("Are you sure you want to exit?")
.setCancelable(false)
.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
MyActivity.this.finish();
}
})
.setNegativeButton("No", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
AlertDialog alert = builder.create();