android screen magnifier

, it will continue to move to produce the animation movement effect. In this example, the computescroll method of viewgroup is overwritten, this method is called in Call scroller in layout. In Android, view has two subclasses: widget and viewgroup. widgets are visible window components, such as buttons, viewgroup is layout, and viewgroup has provided multiple layout subclasses, such as linearlayout. In this example, the viewgroup subclass is implemen

background : There have been two blog posts written about activity beforeThe life cycle of Android activity: Detailed description of the activity's entire life cycle, transitions between states, and the state of the activity that was saved when returning to the desktopTrigger timing of Onsaveinstancestate and Onrestoreinstancestate in Android activity: the triggering time and effect of these two methods in

Android Phone Support screen rotation function, mobile phone screen rotation directly triggered our app view changes, we choose how to handle the mobile phone flip and when our mobile phone screen has been rotated, we choose which strategy to process the view directly affect the user experience of our app. Today we wil

Package com. sensor. Demo; /*** From http://apps.hi.baidu.com/share/detail/53623456 */import android. app. activity; import android. content. contentresolver; import android.net. uri; import android. provider. settings; import android. provider. settings. settingnotfoundexception; import

Two locks in Android-unlock lock and keyguardlock for detailed analysis [Copy link]Unlock lock-wake up lock for screen LightingKeyguardlock-as the name implies, the keyboard lock is used to unlock the keyboard. Details:1: unlock lock wake-up lock-Can unlock lock really light the screen?The answer is yes. However, sometimes the

program to all platforms. If you have released a program for Android 1.5 or earlier, read this document carefully and consider how to make your old program have different resolutions, android 1.6 or the update platform is displayed normally. In most cases, you only need to make small changes to the program to achieve the goal, but you still need to test on platforms with various resolutions as much as poss

In the project development process, usually have to encounter screen adaptation problems, the following is my project in the development process summed upA set of screen adaptation program, share to everyone;The Android screen fits some concepts that you must understand:Pxis the abbreviation for the English word pixel,

Screen Size: I. Different Layout The screen sizes of Android mobile phones vary by 480X320,640x360,800 X. How can an app automatically adapt to different screens?In fact, it is very simple, just need to create different layout folder under the res directory, such as layout-640x360, layout-800x480, all the layout files will be written to R after compilation. java,

As is known to all, the Android model has a variety of sizes, so screen adaptation becomes an important part of Android development. Android Screen Adapter Maybe some developers will encounter this problem, today to share the next screen