record android screen

Android ignores screen unlock protection Interface1 PrincipleAndroid has three screen unlocking protections: Pattern unlocking, PIN password unlocking, and password unlocking. The interface is as follows: Chart 1: Unlock page; Chart 2: PIN password unlock page; Chart 3: Unlock pageWe can use java. lang. object. android

issued as long as the basic operation of the phone is involved (such as power-on, network status changes, taking photos, etc.) Each broadcast has a specific intent-filter (including a specific action), and the Android system broadcasts the action as follows: 　 System Operation Action Monitor network changes Android.net.conn.CONNECTIVITY_CHANGE Turn off or turn on airplane

Android obtains the screen width and height, and android obtains the control width and height. 1. Get screen width and height Method 1: Int screenWidth = getWindowManager (). getdefadisplay display (). getWidth (); // screen width (pixels, for example, 480px) int screenHeigh

Android record 23-some questions about overflow menu in actionbar, 23-actionbarAndroid record 23-questions about overflow menu in actionbar Preface This blog record some problems that Xiao Wu encountered when using actionbar about the overflow menu: Let's take a look at two comparison figures: On the left is th

Android revolving screen's behind-the-scenes internationalization language failure solution, android InternationalizationThis article has been synchronized to my blog: liyuyu.cn I recently used international languages (English + Chinese) in the project, but I found a problem during use. When the screen is rotated, the APP language (Chinese) automatically converte

Android obtains the coordinates of custom controls, screen size, title bar, Status Bar Height, and android status bar.Android obtains the coordinates of custom controls, screen size, title bar, and Status Bar Height. 1. Get the height of the custom control Obtain the height of the control in the current Activity in thi

Android multi-screen adaptation: Part 1: android adaptation 1. In the xml layout file, the width and height of the control are dp, And the font size is sp. 2. dynamically adapt to the screen width and height to obtain the screen width and height: Method 1: /***

; return (int) (Dipvalue * scale + 0.5f); } public static int Px2dip (context context, float Pxvalue) { Final float scale = Context.getresource (). Getdisplaymetrics (). density; return (int) (Pxvalue/scale + 0.5f); } here's how to get the resolution: In the OnCreate method of an activity, write the following code: Copy Code code as follows: Displaymetrics metric = new Displaymetrics (); Getwindowmanager (). Getdefaultdisplay (). Getmetrics (Metric); int

This article describes the Android simple Start screen implementation method. Share to everyone for your reference, specific as follows: After each Android application starts, a splash boot interface appears, showing the product logo, company logo, or developer information. If the application startup time is longer, then the start interface is a good thing to al

Android gets the width and height of the screen, android gets the width// Obtain the screen widthPublic static int getScreenWidth (Context context ){WindowManager manager = (WindowManager) context. GetSystemService (Context. WINDOW_SERVICE );Display display = manager. getDefaultDisplay ();Return display. getWidth ();}/

Objective To achieve the window on the lock screen, the first idea is to WindowManager use Window settings Flag , by setting Flag the display priority to let the window display in the top of the lock screen. The next step is to experiment with potentially relevant Window Type properties and verify that the scenario is feasible. Before you try each of the Window Type attributes, you need to specify th

Original URL: http://www.cnblogs.com/noTice520/archive/2011/12/05/2276379.htmlToday brings you to the "Android app development full record" in the ListView and Adatper part. Including the basic use of the ListView, the optimization of the ListView and so on.We often use lists in the application to show some content, so it is very necessary to learn the ListView well. The ListView is also a more difficult-to

In the development of the Android system, there are certain situations that require the system to never lock the screen and never sleep. This article to introduce Android never lock screen, turn on the screen, delete settings in the Sleep time option, need friends to study t