android chronometer start from 0

Android auto-start is probably the simplest in the mobile operating system. We only need to listen to a Broadcast (Broadcast) started at the startup. First, write a Receiver (that is, a broadcast listener) that inherits BroadcastReceiver, as shown below: View source Print? Copy codeThe Code is as follows: public class BootReceiver extends BroadcastReceiver { Private PendingIntent mAlarmSender; @ Override P

, parameters can be judged by the camera's parameter, called as follows:[Java]View PlainCopy Mcamera.getparameters (). getsupportedvideosizes () But sometimes even if the correct parameters are set, you may need to call the following method before you start:[Java]View PlainCopy Mcamera.unlock (); This method from the method name is unlocked camera estimation is afraid to use the device conflict, the specific reason for late

This article was reproduced from: http://blog.csdn.net/fnuwfnh/article/details/46698509Recently in the learning of Android recording knowledge, found in some mobile phone normal operation of the app, on the Huawei Tablet hangs, Eclipse logcat display Mediarecorder start failed:-38. Check the information, because my app is encoded using multi-channel recording, and debugging with the Huawei tablet on the har

The following is a demo of how to start, stop, pause, and continue the timer and timertask in Android. There are two main issues to note: 1. timer and timertask cannot execute the schedule statement after cancel () is called to cancel. Otherwise, an error is prompted and the prompt is as follows: D/AndroidRuntime( 6672): Shutting down VMW/dalvikvm( 6672): threadid=1: thread exiting with uncaught exception

We need start a new process when we tap application launcher or start a new service which is in a different process. this artical will describe how a new process is created but no matter whoever the caller is. 1. startprocesslocked in activitymanagerservice. JavaIgnore rest of the function and focus on below code. Int pid = process. Start ("

paragraph, is equivalent to making a mappingAnd then into the Android_media_mediacodec_native_setup function.The SETMEDIACODEC function is as follows:Next, look at the structure of Jmediacodec.After several steps to get Mediacodec on the image, you reach the Java layer call Mediacodec.configure (format,surface,null,0)By getting the map in format, it is a hashmap that facilitates the format of the video source into two arrays, and then passes the nati

You often encounter the correctly located at ' D:\java\sdk\platform-tools\adb.exe ' and can executed. Problem description encountered: Running the Android program console output [2012-07-18 16:18:26-] The connection to ADB are down, and a severe error has occured.[2012-07-18 16:18:26-] You must restart ADB and Eclipse.[2012-07-18 16:18:26-] Please ensure the ADB is correctly located in ' D:\java\sdk\platform-tools\adb.exe ' and can be executed. So

After we encountered the Android system boot Interface (bootanimation), the system was unable to run up the problem,System has always appeared waiting for ... LogSeems to be waiting for what service to startTherefore, the system server is suspected to be blockThe debugging methods are as follows:1. ADB Shell mkdir/data/anr/2. ADB Shell PS | grep system_serverSystem 1138 234 908376 39440 ffffffff 40061a54 S system_server3. ADB Shell kill-3 11384. ADB S

Telephonyprovider run on the phone process, And then started the com.andorid.phone process, that is to say we call up the telephonyprovider indirectly called the phone process, called the telephonyprovider of the conventional method is through the "content:// Telephony ", here to focus onandroid:authorities= "Telephony";01-30 11:02:44.640:d/signalclusterview (878): Setwifiindicators, Visible=false, [email protected]0, [email protected], Contentdescri

The following error was reported when launching Android Stdio: 12345 unable to create Debug Bridge:un Able to start ADB server:error:could not install *smartsocket* listener:cannot bind to 127.0 0.1 : 5037 : é Argon father jiao younger generation Kettle Lian Suite failed Ying 楀 ban 鍧? (Å corporate/network connection failed 鍦 board from/վ hani) Å è¡#̈亞 厑 optin pickaxe Jiao úã mo

the whole application talk about already almost, after this article, I will upload source to resources, like can download and learn, today, the alarm clock start setting, set page loadingIn Android, the alarm and wake functions are controlled and managed by the Alarm Manager service. We are familiar with the RTC alarm clock and timer have a great relationship with it. For your convenience, I often call this

=mreceiver.setanalogmode (Analogmode); Analogmode Analog Set Low powerBstatus = Setlowpowermode (false);The phone is not in the idle form tooint state = Getcallstate ();Fmactiononcallstate (state);Activate FM STARTFM (), set headset, etc. to accept FM soundAudiosystem.setforceuse (Audiosystem.for_media,audiosystem.force_none);FM Device availableAudiosystem.setdeviceconnectionstate (AUDIOSYSTEM.DEVICE_OUT_FM,Audiosystem.device_state_available, "");Registering the processing of a remote groupBsta

();---------------------------------------------------------- ---------------------------OK, code as above, this time may also be a little doubt about the parameters of the question. Looking directly at the Android SDK helps to speak more clearly. I find there are some articles on the internet and Requestcode and ResultCode confused the wrong explanation.Startactivityforresult (Intent Intent, Int requestcode)Intent passed to B, do not explain, do not

(Exception ex) {}finally { if(canvas!=NULL) {sfh.unlockcanvasandpost (canvas); } } }The Paint brush class provides an anti-aliasing function, in fact the canvas canvas also provides the amount of plot antialiasing functions, as follows:Canvas.setdrawfilter (Drawfilter filter);Function: Set drawing antialiasing for the canvasParameters: Drawing Filter InstanceInstantiate an object of the Drawfilter class, as shown in the following code:New Paintflagsdrawfilter (

1 Reason: When you search for activity on the Internet, it basically tells you that eitherXMLOr isoverridependingtransition, but if you are the service startup activity what to do, this online does not have an answer, so I think about it, found in fact very simple. 2 Solution:In fact, it is very simple, let us understand the principle, so-called activity switching is nothing more than activity according to theme or others startactivity when the call overridependingtransition Changes the parame

Public Static LongGettimeofweekstart () {Calendar CA=calendar.getinstance (); Ca.set (Calendar.hour_of_day,0); Ca.clear (Calendar.minute); Ca.clear (Calendar.second); Ca.clear (Calendar.millisecond); Ca.set (Calendar.day_of_week, Ca.getfirstdayofweek ()); returnCa.gettimeinmillis (); } Public Static LongGettimeofmonthstart () {Calendar CA=calendar.getinstance (); Ca.set (Calendar.hour_of_day,