screen status broadcast receiver */private void startScreenBroadcastReceiver () {IntentFilter filter = new IntentFilter (); filter. addAction (Intent. ACTION_SCREEN_ON); filter. addAction (Intent. ACTION_SCREEN_OFF); filter. addAction (Intent. ACTION_USER_PRESENT); mContext. registerReceiver (mScreenReceiver, filter );}
Because the user can set whether the screen is locked after it is disabled, we cannot
Full Screen input is not allowed for Android horizontal screen; full screen for android
Recently, the input method is full screen when the address book on the 751 mobile phone is used for landscape
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, and the system selects the appropriate layout based on th
The android flash screen still has a black screen problem, and the android will have a black screen.
1 public class SplashActivity extends Activity {2 3 @ Override 4 protected void onCreate (Bundle savedInstanceState) {5 super. onCreate (savedInstanceState); 6 setContentVie
In actual development of the Android source code, two problems are encountered: instant screen notification after the screen is disconnected from the screen lock, and instant screen notification during the call; because the problem of wake-up on the
. gesturedetector. ongesturelistener; Since api-1,
Android. View. gesturedetector; Since api-1,
From the API, from the beginning of the api-1 has supported the gesture and gesture listener, so many say api-4 to support this sentence is also true! Because:Android. gestureThis class is fromApi-4Is supported. This classInput Method Gesture RecognitionWill be used in! So ~
Conclusion: Touch Screen Gesture Recog
First look at an Android screen full screen implementation code
The code is as follows
Copy Code
@Overrideprotected void OnCreate (Bundle savedinstancestate) {TODO auto-generated Method StubSuper.oncreate (savedinstancestate);Requestwindowfeature (Window.feature_no_title);GetWindow (). Addflags (WindowManager.LayoutParams.FLAG_FULLSCRE
Detailed explanation of the Android screen direction, detailed explanation of the android Screen
The screen direction is for Activity, so you canAndroidManifest. xmlFileMarkedScreenOrientationSet attributes, for example:
The screenOrientations attribute has a total of 7
Summary of screen adaptation in android, android screen adaptation
Why screen adaptation? For this reason, I will not talk about it. The online processing method either allows you to use several sets of images with different resolutions, or write several sets of layout files
Android screen adaptation solution and android screen adaptation
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Android
Android listens to screen lock/Open events, and android screen lock1. Two solutions
(1) Listen to BroadcastReceiver
(2) obtain the PowerManager event
2. BroadcastReceiver2.1. event
There are 3 events in total:
Intent. ACTION_SCREEN_ON: Intent. ACTION_SCREEN_OFF: Intent. ACTION_USER_PRESENT: unlocked
2.2. Permission
T
[Android] mobile guard device management permission lock screen, android lock screen
Device administrator Device Admin
Obtain the DevicePolicyManager object, and use getSystemService (DEVICE_POLICY_MANAGER) to configure the Device Policy Manager.
Call the lockNow () method of the DevicePolicyManager object to lock the
Android:theme= "@android: Style/theme.dialog"//activity displayed as dialog box mode
Android:theme= "@android: Style/theme.notitlebar"//Do not display the application title bar
Android:theme= "@android: Style/theme.notitlebar.fullscreen"//Do not display the application title bar and full screen
Android:theme= "The
Android uses Baidu map to display a blue screen when it returns and locates. android blue screen
Directory1. Android uses Baidu map to crash2. Android uses Baidu map to locate blue screen
Android: simple bullet screen effect implementation, android bullet Screen
First, it is similar to the page where 360 detects harassing calls:
The layout is very simple. The above is a RelativeLayout, and the following Button.
Function:
(1) After the bullet screen is genera
original screen lock was missing, and the phone inside the data without any damage.
Method two, double wipe/Shuangqing, and restores the factory setting effect quite
If you do not have any important files on your phone, you can take this approach, basically all Android phones are suitable for this method, before the operation of the best mobile card and memory card, the operation steps are:
The cell pho
Android screen adaptation summary, android screen adaptation
I. concepts that need to be understood first
1. screen size: the screen size of a mobile phone we usually call. For example, Apple's 4.7 inch and glory 6's 5.5 inch. The
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