how to extend battery life on android

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

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

The life cycle of fragmentsEach fragments has its own set of lifecycle callback methods and handles its own user input events. The corresponding life cycle can be referred to:Create a slice (Creating a Fragment)To create a fragment, you must create a subclass of the fragment (or an existing subclass of it). The Fragment class has code, looks a lot like an Activity. It contains callback methods similar to an