improve battery life android

1. OverviewWith the rapid display of mobile smart devices, battery life in a very large case induced the choice of mass consumers, Android system Power Management is reasonable or not directly affect the battery life, and battery

Original: http://www.2cto.com/kf/201408/326462.html 1, overviewWith the rapid display of mobile smart devices, battery life in a very large case induced the choice of mass consumers, Android system power management is reasonable or not directly affect the battery life, and

Android devices typically have multiple data connections:(1) Bluetooth(2) Ethernet(3) Wi-Fi(4) WiMax(5) mobile network (EDGE,UMTS,LTE)Get Network information:public class NetInfo extends Activity {private TextView netinfoshow,netinfoshows; @Overrideprotected void OnCreate ( Bundle savedinstancestate) {//TODO auto-generated method Stubsuper.oncreate (savedinstancestate); Setcontentview ( R.layout.net_info); netinfoshow = (TextView) Findviewbyid (r.id.n

Android offers a variety of location services:(1) GPS (Global Positioning system using satellites);(2) Network (base station location with Cell-id, Wi-Fi service address)(3) Passive (API Level 8 added)In the absence of special requirements, you can set the frequency of updates and reduce the number of requests. Register Listener, disable location monitoring when not in useAccept Location Updatesprivate void Requestlocationupdates () {Locationmanager L

designed the Wakelock class for this scenario:private void Runinwakelock (Runnable Runnable, int flags) {PowerManager PM = (powermanager) getsystemservice ( Context.power_service); Powermanager.wakelock WL = Pm.newwakelock (Flags, "My WakeLock"); Wl.acquire (); Runnable.run (); Wl.release ();}Note: The app requires Wake_lock permissions to use.The behavior of the system depends on the tag (flags) parameter of the Wakelock object being created. Defined as follows:(1) Partial_wake_lock (CPU Open)

Document directory Obtain the current Battery status Monitor changes in the charging status Obtain the current battery level Monitor significant changes in battery power By checking the current battery power and charging status of the device, and changing the update frequency of background services, the power c

Relativelayoutxmlns:android= "Http://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:orientation= "vertical" > ButtonAndroid:id= "@+id/btn_battery"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:text= "Get information on battery" /> TextViewAndroid:id= "@

Android-obtain battery-related information 1. Define Broadcast Reception and display BatteryInfoBroadcastReceiver Package org. lxh. demo; import android. app. alertDialog; import android. app. dialog; import android. content. broadcastReceiver; import

Chapter: Automation Fundamentals-Battery life Automation test NetEase Cloud Classroom:http://study.163.com/course/courseLearn.htm?courseId=712011#/learn/video?lessonId=878098courseId=712011http://study.163.com/course/courseLearn.htm?courseId=712011#/learn/video?lessonId=878099courseId=712011Main content and notes:The factors and theories that affect mobile phone power:Here is a table: today's mainstream mob

Battery usage has always been a top concern for smartphone enthusiasts. As more and more applications increase, people need to charge at least twice a day. This also causes the battery problem to be thrown to the Cusp again. To this end, the android team provided a series of "courses" for its developers to teach some smart phone power-saving tips, such as how to

The Android underlying layer provides excellent control capabilities for both software and hardware systems, and the interface definition is very clear. We can easily implement the desired control, as a result, a quick setup function is available in the project recently, which requires one-click wifi shutdown, mobile network shutdown, battery setting, and flight mode, one-click Application Opening (the appl

Android 5.1 will be released next month and will improve its endurance. Google plans to release Android 5.1 In a wider range in May. Movers said in a response to a user's question about One M7 Google Play smartphone, "this is related to the next MR (maintenance version) Google plans to release in December ", it indicates that he has learned about the time when G

method that the user can call before interacting with the fragment. For example, enable features such as camera devices, location services, and so on in this method. However, as these services can cause battery consumption to be very fast, it is generally necessary to minimize the use of such applications to prolong battery life.2. Callback method thrown when de

the hierarchy tree. WhenActivityis activated and the focus is received, the system notifiesActivityand the root node is asked to compute and draw the tree, and the root node requests its child nodes to draw themselves. On each tree.ViewGroupThe node is responsible for drawing its child nodes.ViewGroupIt calculates its effective space, layouts all the child display objects, and eventually calls all of the child display objectsDraw ()method to draw the display object. Each child display object ca