android - How to implement pause and resume countdowntimer? -
i have implemented countdowntimer in application.it's working fine.now implemented quit button in app dialog box permission (yes or no).when user press yes quit , no game.now problem how pause countdowntimer when click on quit button , resume on no button in dialog box.
here code:-
public class questionactivity extends activity implements onclicklistener{ private question currentq; private gameplay currentgame; public countdowntimer countertimer; private button nextbtn1, nextbtn2, nextbtn3, nextbtn4, nextbtn5; @override public void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.question); processscreen(); } /** * configure current game , question */ private void processscreen() { currentgame = ((application)getapplication()).getcurrentgame(); currentq = currentgame.getnextquestion(); nextbtn1 = (button) findviewbyid(r.id.answer1); nextbtn1.setenabled(true); nextbtn1.setonclicklistener(this); nextbtn2 = (button) findviewbyid(r.id.answer2); nextbtn2.setenabled(true); nextbtn2.setonclicklistener(this); nextbtn3 = (button) findviewbyid(r.id.answer3); nextbtn3.setenabled(true); nextbtn3.setonclicklistener(this); nextbtn4 = (button) findviewbyid(r.id.answer4); nextbtn4.setenabled(true); nextbtn4.setonclicklistener(this); nextbtn5 = (button) findviewbyid(r.id.answer5); nextbtn5.setenabled(true); nextbtn5.setonclicklistener(this); /** * update question , answer options.. */ setquestions(); } /** * method set text question , answers current games * current question */ private void setquestions() { //set question text current question string question = utility.capitalise(currentq.getquestion()); textview qtext = (textview) findviewbyid(r.id.question); qtext.settext(question); //set available options list<string> answers = currentq.getquestionoptions(); textview option1 = (textview) findviewbyid(r.id.answer1); option1.settext(utility.capitalise(answers.get(0))); textview option2 = (textview) findviewbyid(r.id.answer2); option2.settext(utility.capitalise(answers.get(1))); textview option3 = (textview) findviewbyid(r.id.answer3); option3.settext(utility.capitalise(answers.get(2))); textview option4 = (textview) findviewbyid(r.id.answer4); option4.settext(utility.capitalise(answers.get(3))); int score = currentgame.getscore(); string scr = string.valueof(score); textview score1 = (textview) findviewbyid(r.id.score); score1.settext(scr); countertimer = new countdowntimer(15000, 1000) { public void onfinish() { if(currentgame.getround()==20) { nextbtn1.setenabled(false); nextbtn2.setenabled(false); nextbtn3.setenabled(false); nextbtn4.setenabled(false); nextbtn5.setenabled(false); final handler handle = new handler(); toast.maketext(questionactivity.this, "time's up", toast.length_short).show(); runnable delay = new runnable() { public void run() { system.exit(0); } }; handle.postdelayed(delay,3000); } else if(currentgame.getround()==0) { currentgame.decrementscore(); final handler handle = new handler(); runnable delay = new runnable() { public void run() { processscreen(); } }; handle.postdelayed(delay,3000); } else if(currentgame.getround()==19) { nextbtn1.setenabled(false); nextbtn2.setenabled(false); nextbtn3.setenabled(false); nextbtn4.setenabled(false); nextbtn5.setenabled(false); currentgame.decrementscore(); final handler handle = new handler(); toast.maketext(questionactivity.this, "time's up", toast.length_short).show(); runnable delay = new runnable() { public void run() { processscreen(); } }; handle.postdelayed(delay,3000); } } public void ontick(long millisuntilfinished) { textview time = (textview) findviewbyid(r.id.timers); time.settext( ""+millisuntilfinished/1000); } }; countertimer.start(); } @override public void onresume() { super.onresume(); } @override public void onclick(view arg0) { nextbtn1.setenabled(false); nextbtn2.setenabled(false); nextbtn3.setenabled(false); nextbtn4.setenabled(false); nextbtn5.setenabled(false); arg0.setenabled(true); //log.d("questions", "moving next question"); if(arg0.getid()==r.id.answer5) { button yes, no; final dialog dialog = new dialog(this, r.style.fullheightdialog); //this reference style above dialog.setcontentview(r.layout.dialog1); //i saved xml file above yesnomessage.xml dialog.setcancelable(true); //to set message textview message =(textview) dialog.findviewbyid(r.id.tvmessagedialogtext); message.settext("are sure want exit?"); yes = (button) dialog.findviewbyid(r.id.bmessagedialogyes); yes.setonclicklistener(new onclicklistener() { public void onclick(view v) { countertimer.cancel(); finish(); startactivity(new intent(questionactivity.this, splashactivity.class)); } }); no = (button) dialog.findviewbyid(r.id.bmessagedialogno); no.setonclicklistener(new onclicklistener() { public void onclick(view v) { dialog.dismiss(); nextbtn1.setenabled(true); nextbtn2.setenabled(true); nextbtn3.setenabled(true); nextbtn4.setenabled(true); } }); dialog.show(); } else { if(!checkanswer(arg0)) return; /** * check if end of game */ if (currentgame.isgameover()){ //log.d("questions", "end of game! lets add scores.."); //log.d("questions", "questions correct: " + currentgame.getright()); //log.d("questions", "questions wrong: " + currentgame.getwrong()); final handler handle = new handler(); runnable delay = new runnable() { public void run() { startactivity(new intent(questionactivity.this, endgameactivity.class)); finish(); } }; handle.postdelayed(delay,2000); } else { final handler handle = new handler(); runnable delay = new runnable() { public void run() { startactivity(new intent(questionactivity.this, questionactivity.class)); finish(); } }; handle.postdelayed(delay,2000); } } } @override public boolean onkeydown(int keycode, keyevent event) { switch (keycode) { case keyevent.keycode_back : return true; } return super.onkeydown(keycode, event); } /** * check if checkbox has been selected, , if * has check if correct , update gamescore */ private boolean checkanswer(view v) { final button b = (button) v; string answer = b.gettext().tostring(); countertimer.cancel(); b.setbackgroundresource(r.drawable.ans); b.setenabled(false); //log.d("questions", "valid checkbox selection made - check if correct"); if (currentq.getanswer().equalsignorecase(answer)) { b.setbackgroundresource(r.drawable.ansgreen); //log.d("questions", "correct answer!"); toast.maketext(questionactivity.this, "correct answer", toast.length_short).show(); currentgame.incrementscore(); } else{ b.setbackgroundresource(r.drawable.ansred); //log.d("questions", "incorrect answer!"); toast.maketext(questionactivity.this, "incorrect answer", toast.length_short).show(); currentgame.decrementscore1(); } return true; } public void show() { countertimer.cancel(); } }
hello that-
package com.example.dialogboxwithtimer; import android.app.activity; import android.app.alertdialog; import android.content.dialoginterface; import android.os.bundle; import android.os.handler; import android.os.systemclock; import android.view.view; import android.view.view.onclicklistener; import android.widget.button; import android.widget.textview; import android.widget.toast; public class mainactivity extends activity { private textview texttimer; private button startbutton; private button pausebutton; private long starttime = 0l; private handler myhandler = new handler(); long timeinmillies = 0l; long timeswap = 0l; long finaltime = 0l; @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); button btn = (button) findviewbyid(r.id.button1); texttimer = (textview) findviewbyid(r.id.texttimer); startbutton = (button) findviewbyid(r.id.btnstart); startbutton.setonclicklistener(new view.onclicklistener() { public void onclick(view view) { starttime = systemclock.uptimemillis(); myhandler.postdelayed(updatetimermethod, 0); } }); pausebutton = (button) findviewbyid(r.id.btnpause); pausebutton.setonclicklistener(new view.onclicklistener() { public void onclick(view view) { timeswap += timeinmillies; myhandler.removecallbacks(updatetimermethod); } }); btn.setonclicklistener(new onclicklistener() { @override public void onclick(view v) { // todo auto-generated method stub alertmessage(); timeswap += timeinmillies; myhandler.removecallbacks(updatetimermethod); } }); } public void alertmessage() { dialoginterface.onclicklistener dialogclicklistener = new dialoginterface.onclicklistener() { public void onclick(dialoginterface dialog, int which) { switch (which) { case dialoginterface.button_positive: // yes button clicked toast.maketext(mainactivity.this, "yes clicked", toast.length_long).show(); break; case dialoginterface.button_negative: // no button clicked // nothing starttime = systemclock.uptimemillis(); myhandler.postdelayed(updatetimermethod, 0); toast.maketext(mainactivity.this, "no clicked", toast.length_long).show(); break; } } }; alertdialog.builder builder = new alertdialog.builder(this); builder.setmessage("are sure?") .setpositivebutton("yes", dialogclicklistener) .setnegativebutton("no", dialogclicklistener).show(); } private runnable updatetimermethod = new runnable() { public void run() { timeinmillies = systemclock.uptimemillis() - starttime; finaltime = timeswap + timeinmillies; int seconds = (int) (finaltime / 1000); int minutes = seconds / 60; seconds = seconds % 60; int milliseconds = (int) (finaltime % 1000); texttimer.settext("" + minutes + ":" + string.format("%02d", seconds) + ":" + string.format("%03d", milliseconds)); myhandler.postdelayed(this, 0); } }; } and in layout-
<?xml version="1.0" encoding="utf-8"?> <linearlayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical" > <button android:id="@+id/button1" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="popup" /> <relativelayout android:layout_width="match_parent" android:layout_height="match_parent" android:background="#000000" > <textview android:id="@+id/texttimer" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_above="@+id/btnpause" android:layout_centerhorizontal="true" android:layout_marginbottom="37dp" android:text="00:00:00" android:textcolor="#ffffff" android:textsize="40sp" /> <button android:id="@+id/btnpause" android:layout_width="90dp" android:layout_height="45dp" android:layout_centervertical="true" android:layout_torightof="@+id/btnstart" android:text="pause" /> <button android:id="@+id/btnstart" android:layout_width="90dp" android:layout_height="45dp" android:layout_alignparentleft="true" android:layout_centervertical="true" android:layout_marginleft="48dp" android:text="start" /> </relativelayout> </linearlayout> for more see these url- http://www.androidhub4you.com/2013/04/countdown-demo-in-android-custom-timer.html , http://www.androidhub4you.com/2012/09/alert-dialog-box-or-confirmation-box-in.html
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