hi guys,
in my application, m using a progrssbar that show the current progress of a
song.i need to stop the song as well as progressbar too. progressbar should
be reach at starting point and song should be stop.
*
class* myThread *extends* Thread *implements* Runnable{
*private* *volatile* *boolean* paused = *false*;
*private* *volatile* *boolean* finished = *false*;
@Override
*public* *void* run()
{
*while*(!finished){
*while* (myProgress<100){
*try*{
Log.*d*(TAG, "Thread Starts");
myProgress++;
Log.*d*("++++++++++++++++++++++",""+myProgress);
seekbar.setProgress(myProgress);
Thread.*sleep*(Long.*parseLong*(bundleDuration)/100);
Log.*d*(TAG,"Passed thread.sleep");
}
*catch*(Throwable t){
Log.*e*("+++++++++++++++++++++++++++", "no duration");
}
*while*(paused && !finished){
*try*{
Thread.*sleep*(1000); //Busy wait - should really use wait/notify, but
that's another lesson
}
*catch*(InterruptedException e){
}
}
}
}
}
===============================================================================================
m using a button stopbutton to stop this song which runs through a service
*
case* R.id.*buttonStop*:
Log.*d*(TAG, "onClick: stopping srvice");
stopService(*new* Intent(*this*, MyService.*class*));
*if*(mt.isAlive())
{
mt.stopThread();// mt is the object of myThread class
}
=================================
*StopThread function*
*public* *synchronized* *void* stopThread(){
*if*(mt != *null*){
Thread mthread = mt;
mt = *null*;
mth dread.interrupt(); } }
===========================================
please suggest me what to do??
my progressbar's thread should be finished and its setduration must be zero.
now its giving this in logcat and thread is continue in background
03-23 11:35:16.070: ERROR/AndroidRuntime(276): FATAL EXCEPTION: main
03-23 11:35:16.070: ERROR/AndroidRuntime(276):
java.lang.NullPointerException
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
com.gaurav.music.activity.AudioPlayerScreen.onClick(AudioPlayerScreen.java:190)
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
android.view.View.performClick(View.java:2408)
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
android.view.View$PerformClick.run(View.java:8816)
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
android.os.Handler.handleCallback(Handler.java:587)
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
android.os.Handler.dispatchMessage(Handler.java:92)
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
android.os.Looper.loop(Looper.java:123)
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
android.app.ActivityThread.main(ActivityThread.java:4627)
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
java.lang.reflect.Method.invokeNative(Native Method)
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
java.lang.reflect.Method.invoke(Method.java:521)
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)
03-23 11:35:16.070: ERROR/AndroidRuntime(276): at
dalvik.system.NativeStart.main(Native Method)
03-23 11:35:16.180: WARN/ActivityManager(59): Force finishing activity
com.hungama.myplay.activity/.AudioPlayerScreen
03-23 11:35:16.764: DEBUG/AudioPlayerScreen(276): Passed thread.sleep
============================================
please help
thanks in advance
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