android - Countdown Timer Notification -


i'm begginer in android programming, have countdowntimer starts number selected user using 2 number pickers (one hours , other minutes).

the characteristics must be:

-the countdowntimer must work in background , notify user when arrives 00:00. have code:

package com.android.application; import android.app.activity; import android.app.notification; import android.app.notificationmanager; import android.app.pendingintent; import android.content.intent; import android.os.bundle; import android.view.view; import android.widget.button; import android.widget.numberpicker;  public class mainactivity extends activity { notificationmanager nm; private static final int id_notificacion_personal =1;  @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.main);  numberpicker number1 = (numberpicker)findviewbyid(r.id.horas); numberpicker number2 = (numberpicker)findviewbyid(r.id.minutos); button btn_lanzar=(button)findviewbyid(r.id.btn_notificacion); number1.setmaxvalue(10); number1.setminvalue(0); number2.setminvalue(0); number2.setmaxvalue(59);  int number3=number1.getvalue(); int number4=number2.getvalue();  nm = (notificationmanager)getsystemservice(notification_service); btn_lanzar.setonclicklistener(new view.onclicklistener(){     @override      public void onclick(view v) {     notification notification = new notification(r.drawable.estacionamiento,"estacionamiento inteligente",system.currenttimemillis());         pendingintent intencionpendiente = pendingintent.getactivity(getapplicationcontext(),0, new intent (getapplicationcontext(),segunda_ventana.class),0);     notification.setlatesteventinfo(getapplicationcontext(), "estacionamiento inteligente", "su tiempo se ha terminado", intencionpendiente);     nm.notify(id_notificacion_personal, notification);     }  }); }  }

i don't know how make countdowntimer begins number selected user number pickers , notification when done.

please me. :(

use android's timer , timertask classes. below assume know how display notifications, appears in question.

along number pickers, have button defined in static layout so:

<button     android:layout_width="wrap_content"     android:layout_height="wrap_content"     android:text="start countdown"     android:onclick="startcountdown"  />

above assume have number pickers in same layout.

java activity code might follows:

numberpicker hourpicker; numberpicker minutepicker;  @override protected void oncreate(bundle savedinstancestate) {     hourpicker = (numberpicker)findviewbyid(r.id.horas);     minutepicker = (numberpicker)findviewbyid(r.id.minutos);     hourpicker.setmaxvalue(10);     hourpicker.setminvalue(0);     minutepicker.setminvalue(0);     minutepicker.setmaxvalue(59); }  public void startcountdown(view v) {     //this fires when button tapped     showtimerstartednotification();      int hours = hourpicker.getvalue();     int mins = minutepicker.getvalue();      int millis = ((hours*60)+mins)*60000; // need milliseconds use timer       new timer().schedule(new timertask()     {         @override         public void run()         {             //code runs when timer done             showtimerfinishednotification();         }     }, millis); }

Comments

Post a Comment

Popular posts from this blog

c# - Validate object ID from GET to POST -

i have method allows user access comment have made on site. have post method lets them update comment. my normal solution send entire comment model through, let them update it, update on database when post back. involve sending commentid through in hiddenfor , can manipulated. how can verify commentid sent in get method same i'm getting in post , not able alter comment wish? how can verify commentid sent in method same i'm getting in post? basically have validate following things in post - user logged-in user. authenticated users post comments. commentid in post , should valid commentid , should present in database. userid associated logged-in user should same userid associated comment . comment should contain userid column, can check @ time of update. to make sure update happens comment has been sent in get - hold commentid in session , in post action compare commentid value in session .
Read more

node.js - Custom Model Validator SailsJS -

when using custom model validator checks record within model. return within spread doesn't seem end control flow. //post.js model /** * custom validator **/ types: { isuservalid: function(user_id) { var promise = require('bluebird'); promise.all([ user.findone({id: user_id}) ]) .spread(function(user) { console.log(user); if (user === null || user === undefined) { console.log('failed'); return false; }else{ console.log('passed'); return true; } }); } }, my response standard validation failed response. { "error": "e_validation", "status": 400, "summary": "1 attribute invalid", "model": "post", "invalidattributes": { "owner": [ { "rule": "isuservalid", ...
Read more

php - Find a regex to take part of Email -

i have following emails need extract part from: bestellnummer xxx: 1 von xxx, 1er pack ------------- anfang der nachricht ------------- foo bar baz foo bar baz // <<<<< need text here ------------- ende der nachricht ------------- ------------- anfang der nachricht ------------- foo bar baz foo bar baz ------------- ende der nachricht ------------- there 0 unlimited occurences of ------------- anfang der nachricht ------------- ------------- ende der nachricht ------------- and i'm able extract first part regex: $re = "/------------- .*? -------------.?(.*?).?------------- .*? -------------/s"; but, i'm quite new on learning regex, i'm pretty sure there must better regex extract part (foo bar baz foo bar baz) of text between ------------- anfang der nachricht ------------- ------------- ende der nachricht ------------- as can in different languages, i'm using .? to match between hyphens. i...
Read more