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Klasse: ZeitAndroid Fehler: ein Null-Objekt aufrufen. JSON/Volley
public class Time extends FragmentActivity {
public int LPassIN;
public int LPassOUT;
int secondPassed = 0;
Timer mytime = new Timer();
TimerTask mytask = new TimerTask() {
public void run() {
secondPassed++;
if (secondPassed == 11) {
secondPassed = 0;
Convertion callConvertion = new Convertion();
try {
callConvertion.cnvrt();
} catch (Exception e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
int donecnvrtin = callConvertion.donecnvrtin();
int donecnvrtout = callConvertion.donecnvrtout();
String PPassIN = Integer.toString(donecnvrtin);
String PPassOUT = Integer.toString(donecnvrtout);
Response.Listener<String> responseListener = new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
JSONObject jsonResponse = new JSONObject(response);
boolean success = jsonResponse.getBoolean("success");
} catch (JSONException e) {
e.printStackTrace();
}
}
};
ServerI serv = new ServerI(PPassIN,PPassOUT,responseListener);
RequestQueue queue = Volley.newRequestQueue(Time.this);
if (LPassIN != donecnvrtin) {
LPassIN = donecnvrtin;
queue.add(serv);
System.out.println(LPassIN);
}
if (LPassOUT != donecnvrtout) {
LPassOUT = donecnvrtout;
queue.add(serv);
System.out.println(LPassOUT);
}
} else {
System.out.println("Second : " + secondPassed);
}
}
};
public void start() {
mytime.scheduleAtFixedRate(mytask, 1000, 1000);
}
public static void main() throws Exception {
Time starter = new Time();
starter.start();
}
}
Fehler Dies ist der Fehler i
bekam07-20 04:16:05.878 2733-2733/com.example.kappa.servicedemo W/System: ClassLoader referenced unknown path: /data/app/com.example.kappa.servicedemo-1/lib/x86
07-20 04:16:05.991 2733-2733/com.example.kappa.servicedemo W/art: Before Android 4.1, method android.graphics.PorterDuffColorFilter android.support.graphics.drawable.VectorDrawableCompat.updateTintFilter(android.graphics.PorterDuffColorFilter, android.content.res.ColorStateList, android.graphics.PorterDuff$Mode) would have incorrectly overridden the package-private method in android.graphics.drawable.Drawable
07-20 04:16:06.088 2733-2775/com.example.kappa.servicedemo D/OpenGLRenderer: Use EGL_SWAP_BEHAVIOR_PRESERVED: true
[ 07-20 04:16:06.091 2733: 2733 D/ ]
HostConnection::get() New Host Connection established 0xac372530, tid 2733
[ 07-20 04:16:06.130 2733: 2775 D/ ]
HostConnection::get() New Host Connection established 0xb405c820, tid 2775
07-20 04:16:06.132 2733-2775/com.example.kappa.servicedemo I/OpenGLRenderer: Initialized EGL, version 1.4
07-20 04:16:06.160 2733-2775/com.example.kappa.servicedemo W/EGL_emulation: eglSurfaceAttrib not implemented
07-20 04:16:06.160 2733-2775/com.example.kappa.servicedemo W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xa2462300, error=EGL_SUCCESS
07-20 04:16:06.268 2733-2775/com.example.kappa.servicedemo W/EGL_emulation: eglSurfaceAttrib not implemented
07-20 04:16:06.268 2733-2775/com.example.kappa.servicedemo W/OpenGLRenderer: Failed to set EGL_SWAP_BEHAVIOR on surface 0xa2462c00, error=EGL_SUCCESS
07-20 04:16:06.314 2733-2775/com.example.kappa.servicedemo V/RenderScript: 0xa1cb1000 Launching thread(s), CPUs 2
07-20 04:16:07.104 2733-2776/com.example.kappa.servicedemo I/System.out: Second : 1
07-20 04:16:08.104 2733-2776/com.example.kappa.servicedemo I/System.out: Second : 2
07-20 04:16:09.104 2733-2776/com.example.kappa.servicedemo I/System.out: Second : 3
07-20 04:16:09.601 2733-2775/com.example.kappa.servicedemo E/Surface: getSlotFromBufferLocked: unknown buffer: 0xa2442700
07-20 04:16:10.103 2733-2776/com.example.kappa.servicedemo I/System.out: Second : 4
07-20 04:16:11.104 2733-2776/com.example.kappa.servicedemo I/System.out: Second : 5
07-20 04:16:12.103 2733-2776/com.example.kappa.servicedemo I/System.out: Second : 6
07-20 04:16:13.102 2733-2776/com.example.kappa.servicedemo I/System.out: Second : 7
07-20 04:16:14.103 2733-2776/com.example.kappa.servicedemo I/System.out: Second : 8
07-20 04:16:15.105 2733-2776/com.example.kappa.servicedemo I/System.out: Second : 9
07-20 04:16:16.103 2733-2776/com.example.kappa.servicedemo I/System.out: Second : 10
07-20 04:16:17.115 2733-2776/com.example.kappa.servicedemo E/AndroidRuntime: FATAL EXCEPTION: Timer-0
Process: com.example.kappa.servicedemo, PID: 2733
java.lang.NullPointerException: Attempt to invoke virtual method 'java.io.File android.content.Context.getCacheDir()' on a null object reference
at android.content.ContextWrapper.getCacheDir(ContextWrapper.java:233)
at com.android.volley.toolbox.Volley.newRequestQueue(Volley.java:43)
at com.android.volley.toolbox.Volley.newRequestQueue(Volley.java:78)
at com.example.kappa.servicedemo.Time$1.run(Time.java:66)
at java.util.Timer$TimerImpl.run(Timer.java:284)
07-20 04:16:17.198 2733-2775/com.example.kappa.servicedemo E/Surface: getSlotFromBufferLocked: unknown buffer: 0xa2442150
[ 07-20 04:16:17.213 1373: 2964 D/ ]
HostConnection::get() New Host Connection established 0x9bc5da40, tid 2964 at java.util.Timer$TimerImpl.run(Timer.java:284)
, warum ich einen Fehler bekam, dass meine Anfrage-Warteschlange zeigen ein Null-Objekt ist? ist meine Methode falsch oder so?
Die App gestartet, nachdem Countdown bis 10, Absturz
sorry ich verstehe es nicht, es ist das Verzeichnis meiner url? Ich überprüfte mein php..its gut, der Server auch gut –
können Sie vollen Fehler zur Verfügung stellen –
ja, ich aktualisiere den Fehler .. vollständige logcat –