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System services provided by Android-Vibrator and android-vibrator
Vibrator, a system service provided by Android)
-- Reprinted with the source: coder-pig
Vibrator introduction and rel
Android basics tutorial-10.4 Vibrator (Vibrator)
This section introduces:
This section describesVibrator(Vibrator), is the vibrator that comes with the mobile phone, do not go to Baidu to directly search for the vibrator, becaus
Android This system provides service--vibrator (vibrator) --Reprint Please specify source: Coder-pig Vibrator Simple introduction and related methods:watermark/2/text/ahr0cdovl2jsb2cuy3nkbi5uzxqvy29kzxjfcgln/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/ Dissolve/70/gravity/southeast ">simple demo--Set frequency differe
Transferred from[It168 Technology]
As developers, we all know that the vibrator is responsible for controlling the vibration function of the mobile phone. The Vibrator System in Android is a small system dedicated to this function and provides the time-based Vibration function.
The vibrator system includes the driver,
Email: wei7758@126.com
Blog: http://blog.csdn.net/yinwei520
Author: yww
Time: 2011-9-24
Update:
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Here we reference the explanation in the book "Android system-level deep development-porting and debugging". The real vibrator code analysis is based on the Code in my project.
I. vibrator system structure and po
Android mobile phone vibration settings (vibrator) Steps:
A, through the system services to obtain mobile phone vibration services, vibrator vibrator = (Vibrator) getsystemservice (Vibrator_service);
b, after the vibration service to detect the existence of
in the Androidmainfest.xml declaring vibration permissions in a fileGet mobile phone vibration services through system services, such asVibrator vibrator= (Vibrator) Getsystemservice (Vibrator_service)Get vibration service after detection Vibrator is present, asVibrator.hasvibrator ();returns false if there is trueMake appropriate calls based on actual needs, suc
The vibrations in Android phones are implemented by vibrator. To set a vibration event, you need to know the length of the vibration, the period of vibration and so on.In Android vibrator, the vibration time is calculated in milliseconds (1/1000 seconds), so if the set time value is too small, it will not feel.Implemen
Platform MTK6573
Android Vibrator System Architecture
I. Driver Layer
Modify and add Linux kernel files for Android
/kernel/drivers/staging/android/timed_output.h/kernel/drivers/staging/android/timed_output.c
Timed_output.h defines the timed_output_dev struct.
structtim
Introduction to vibration ControllerCodeThis is often not mentioned in the post of vibrator. When using vibrator to vibrate, you must apply for the Android. Permission. vibrate permission in the androidmanifest. xml configuration file:
Otherwise, a securityexception exception is reported.
PS: the evil thing is that vibr
Private vibrator Mvibrator;1, get the handle of the vibration serviceMvibrator = (Vibrator) getsystemservice (Vibrator_service);or Mvibrator = (vibrator) getapplication (). Getsystemservice (Service.vibrator_service);Start shaking with two interfaces1. Mvibrator.vibrate (2000);//vibration specified time, data type long, in milliseconds, 1/1000 seconds per millise
The vibration in the Android mobile phone is implemented by vibrator. To set a vibration event, you need to know the duration and cycle of the vibration.
In Android, the vibration time is calculated in one millisecond (1/1000 seconds). Therefore, if the set time value is too small, it cannot be felt.
Call vibrate (long [] pattern, int repeat) of
When the earliest start of Android development, in order to debug convenient, looking for a remote control software under Android, support remote control on the computer and display the Android device synchronously. has tried 360 mobile phone assistants, Mobizen, Vysor and Mirrorgo and other software, feeling is not ideal. The WinCE Remote Desktop Assistant was l
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