android screen calibration

This article adds: Many online gesture articles say that Android supports gestures only from SDK 1.6 (that is, API 4), but I can also identify them using SDK1.5 simulators !. (I wanted to test the support effects of lower sdks, but I didn't have sdks earlier than version 1.5... my mobile SDK 2.2-,), so I checked the Api and found that: Android. view. GestureDetector. OnGestureListener; since api-1,

The following describes how to obtain screen-related information in Android. 1. screen size, source code: Displaymetrics metrics = new displaymetrics (); getwindowmanager (). getdefadisplay display (). getmetrics (metrics); int screenwidth = metrics. widthpixels; // screen width int screenheight = metrics. heightpixel

);ComponentName = new ComponentName (this, myreceiver.class);if (policymanager.isadminactive (componentname)) {//To determine if a permission is available (Device Manager activated)Policymanager.locknow ();//Direct lock screenFinish ();} else {Activemanager ();//Activate Device Manager Get PermissionsFinish ();}}/*** Get lock Screen permissions*/private void Activemanager () {Activates the specified Device Manager using implicit intent to invoke the s

1. Set style ///1, set the background map theme 1 2. Set Transparent theme1 I've defined two types of theme, the first of which is to set a background map. When the program starts, this background image is displayed first to prevent a black screen from appearing. The second kind of theme is to set the style to transparent, the program will not be black screen after startup, but the whole transparent, wait u

Original link: Supporting multiple Screens Android runs on many different screen sizes (screens size) and density (density) devices. For applications, the Android system provides a consistent cross-device development environment that handles much of the work of the application adaptation screen. At the same time, in or

First, one thing to say is that in Android, the width of the canvas canvas is actually the height of the screen. As a result, there are many ways to get a high screen width: WindowManager WindowManager = Getwindowmanager (); Display display = Windowmanager.getdefaultdisplay (); ScreenWidth = Display.getwidth (); Screen

In the onreceive that receives the message broadcast, jump to the interface you want to display. Such as:Intent Intent = new Intent (arg0,mainactivity.class); Intent.addflags (Intent.flag_activity_new_task); Arg0.startactivity (Intent);In the OnCreate () method of the activity:Super.oncreate (savedinstancestate); GetWindow (). Addflags (windowmanager.layoutparams.flag_show_when_locked| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON); Setcontentview (R.layout.activity_main);Set the theme property

The solution is: custom stylesstylename= "Welcomeapptheme"Parent= "Android:Theme.Light"> Itemname= "Android:windowbackground">@drawable/welcomeItem> Itemname= "Android:windownotitle">TrueItem> style>Then set in Androidmanifest.xml:Android:theme= "@style/welcomeapptheme"As followsActivityAndroid:name= "Com.cloudroom.ufu.ui.UFuWelcomeActivity"android:configchanges= "Orientation"Android:label= "@string/app_name"Android:theme= "@style/welcomeapptheme" >Intent-filter>ActionAndroid:na

Recently I have studied lancher, from the text message MMS framework to the bug and demand modification of launcher. Next I will explain the layout of the simplest home screen program of launcher, it gives readers a sense of getting started. The main screen of Android is divided into five screens, which are 0, 1, 2, 3, and 4 from left to right. So which programs

Winfrom: simple screen acquisition for Android phones and simple Android operations; winfrom android Why do I need to do this? It is because projection demonstration apps are often used. There are a lot of such software that can be installed to place the mobile phone interface on a computer, for example, 360 mobile as

Ways to disable the Android screen and restart activity when switching screens1. Add the android:screenorientation= "Landscape" attribute to the Androidmanifest.xml activity configuration (Landscape is landscape, Portrait is portrait). Such as: 2. General screen switching, the activity to restart, in order to avoid restarting, you can add android:configchanges=

Recently I do a function, is to implement the Android program in the lock screen can continue to run, the author on the Internet to check some information, now sorted out, I hope to be helpful.1. How to monitor screen lock screenMonitor screen lock screen can be implemented

Android screen adaptation solution and android adaptation solution Reprinted please indicate the source:Http://blog.csdn.net/lmj623565791/article/details/45460089;This article is from: [Zhang Hongyang's blog] 1. Overview During Android development, you will surely feel that scr