Countdown Timer Without Stop Time
Jan 7, 2012Is there any way to define countdown timer without specifying millisInFuture. i.e to have a countdown timer which stops only when explicitly stop() function called.
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How To Make Countdown Timer
Feb 27, 2012As a part of my app I would like to include a countdown timer.
I would much rather have the timer count in minutes and seconds, so any good tutorial to set such a timer up I would rather they point me in that direction first (I have looked)
My problem is that I'm getting this error when I press the button to open the activity
02-27 21:07:47.776: E/AndroidRuntime(711): Uncaught handler: thread main exiting due to uncaught exception
02-27 21:07:47.786: E/AndroidRuntime(711): java.lang.RuntimeException: Unable to start activity ComponentInfo{converter.units.kitchen/converter.units.kitchen.Timer}: java.lang.NullPointerException
I currently have the following java activity
import
android.app.Activity;
import
android.os.Bundle;
import
android.os.CountDownTimer;
import
[code]....
It was working fine when I had a fixed number as the starting value, although since reverting to a fixed number it still does not work.
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Oct 1, 2009I was rather surprised to find a couple of features missing from android, having just moved from a sony-ericsson w200i (a phone which i bought for a fifth of the price of my new galaxy), in which these features seemed obvious
i did get tone picker to sort out the lacking ringtone settings etc. but when i tried to find a simple countdown app i hit a bit of a wall
from the ones i tested out, "oi countdown" and "countdown alarm" seemed to work ok up until the point the alarm rang and i couldn't shut the thing up in any other way than booting the whole phone
"snappy countdown timer" is the closest i've found for a simple app to remind you when your pizza is done, but that has the annoying issue of the ui being way too sensitive to pick a specific time (on minute-scale)
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Nov 8, 2013One thing that really bothers me about Google Now on a mobile device is that if you say "Set a timer for 'x' minutes" it will set an alarm (vs a countdown timer) for 'x' minutes into the future. If you say the same command to Google Search on Chrome on a PC it will set a countdown timer. I would really like it if I could just say "Okay Google (Now)... Set a timer for 10 minutes" and then have it start counting down.
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Aug 1, 2012Trying to create a simple 1 minute timer. I want it to start once a user hits a button (in this case the button's ID is 'Tap'), and at 00:00, I want a message to popup. I also have a reset button, when a user clicks that I want it to reset to 1:00.
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CODE:..............................
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Nov 10, 2010I have a Timer which executes a TimerTask every 30 seconds. I only want the timer to launch a new TimerTask if the Activity is displayed i.e. if the user receives a phone call or launches a new activity the Timer will stop. I then need the Timer to restart when the Activity is re-launched and comes into focus.
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My problem is this doesn't always work, if I launch the activity which has the Timer and switch orientations quickly (to start/stop the Activity) I find the Timer is not always canceled and I end up with multiple Timers launching TimerTasks at an ever increasing rate.
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Oct 31, 2010I've implemented a Service in my android app that starts a timer (using the standard java.util.Timer and java.util.TimerTask mechanism) to do some processing in the background on a pre-defined interval.
CODE:...
The service is started / stopped by my application like this.
CODE:..........................
As long as the phone is active (no screen-timeout occured), the service is running fine, and the Timer is performing its job at the defined interval. Even when I quit the application (using the back button), the timer remains active.
However, as soon as the phone goes into timeout, the timer task is no longer running stable. If I leave the phone in timeout for several hours (at night), I would see that on random occasions (sometimes a several hours interval) the timer kicked in.
Also, when the phone is activated again, all timer runs that have been queued are suddenly executed in one shot before resuming back to the normal interval.
What would be the right way of implementing a timer that continues to run properly, even after the phone has gone into timeout. Should I resort to using the PowerManager and WAKE_LOCKS (as described here http://code.google.com/android/reference/android/os/PowerManager.html), or is there another mechanism ?
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publicclass TimeWatch extends Activity {
/** Called when the activity is first created. */
private Button btnStart;
[Code]....
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