Old Deng's android Study Notes (2)-Android gets screen resolutions in N ways, android-android
Android gets the screen resolution
Method 1: the simplest method
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intscreenWi
Recently, I often hear from Members that the Android mobile phones, such as Motorola milestones, do not respond to touch and screen failures. In this case, do not panic. In fact, this phenomenon is normal on the touch screen mobile phones. This requires us to pay more attention to maintenance and maintenance when using touch
the resource for initialization. To keep the system locked, set resource R. Integer. def_screen_off_timeout to-1. View the file here:
Frameworks/base/packages/settingsprovider/RES/values/defaults. xml
You can find the definition of R. Integer. def_screen_off_timeout.
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··· · 50 ······· · 90 ····· · 140 · 150
IntegerName="Def_screen_off_timeout">60000Integer>
The default value is 60000 ms, that is, 60 s. We only need to cha
1. InstallationNPM I react-native-splash-screen--save orYarn Add React-native-splash-screen--save2. Automatic configurationReact-native link React-native-splash-screen or RNPM link react-native-splash-screenor 3. Manually configure the 3.1 android/settings.gradleInclude ': React-native-splash-
The current activity is not destroyed and the screen is locked when the Android horizontal and vertical screen is switched.
First, add the android: configChanges = orientation | keyboardHidden attribute to the Activity element of Mainifest. xml.
This attribute indicates that the application will modify the
??Android Bullet screen implementation: Based on the B-Station bullet screen Open source System (4)-RefactoringThe play screen in the video playback of the app is more common, but the logic is more complex, now on the basis of the appendix, I again on the screen to abstract
Mm-b and install the APK into the emulator or device
Second: Disable the system's lock frequency function, this method is not recommended to use, only in the environment of the appropriate use can be, we just know so we can also achieve such a function is OK.We know that the lock screen time of the Android system is stored in the setting database and the field is Settings.System.SCREEN_OFF_TIMEOUT. We
Start Page Use this as a background imageThere is also a picture copyright.pngAll right, let's do it now.Start, black screen white screen change this picture look, haha ~Launcheractivity interface installed after start-upAdjust to Mainactivity interfaceIn this way, originally wanted to give GIF animation, with the film Down, AO ao do not know how to send to the computer whining ~ ~ ~ later know can be sent
Himi original, you are welcome to reprint, please note clearly! Thank you.
Address: http://blog.csdn.net/xiaominghimi/archive/2010/12/29/6104731.aspx
Let's first explain the bugs we need to improve in touch screen event processing! Then we will show you how to disable switching between landscape and landscape screens! And what is the switching process in android OS.
First look at a piece of code:
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Recently, I am working on a network call APK, which features the same SIM card phone number as the mobile phone number. Although only Java is used, many problems are also encountered. One of them is to simulate the status of the call and control the screen lock. I know it is achieved through the distance sensor on the mobile phone, but after a long time, I finally got the result and shared it with me. : Http://download.csdn.net/detail/luozhi3527/59590
some Android software needs to display a splash screen at startup, can be a picture or some set what, there is also a good thing is that the opportunity to load data in the background. There are generally two ways to create a splash screen:1, create an activity, display the splash screen, and then start the main activi
Android offers two ways to achieve no title bar and Full-screen effects, either declaratively through an XML file or dynamically controlled in a program.
Android Set Full-screen method
First, through the program settings:
The code is as follows
Copy Code
package com.hhh.changeimage;
life cycleThe Android system adds hooks to the activity life cycle, and we can do something in the hooks that these systems reserve.Examples of 7 commonly used hooks:protected void OnCreate (Bundle savedinstancestate)protected void OnStart ()protected void Onresume ()protected void OnPause ()protected void OnStop ()protected void Onrestart ()protected void OnDestroy ()Brief description:OnCreate (Bundle savedinstancestate): Called when an activity is c
Android Screen Monitor: Synchronize the mobile phone Screen to PC and androidmonitor
Sometimes we need to display the screen of the real machine on the PC. The Android ADM can only listen for a batch of images statically, so on Google Code, google provides an
============ Problem Description ============What I am doing now is the communication aspect of the project. But when the Xiaomi 2s test call, the screen is lit, but no screen is not unlocked, only after unlocking the point of the interface. Asked others, said is to see the Android this aspect of the bottom, I do not know what a good solution?This is the code for
============ Problem Description ============What I am doing now is the communication aspect of the project. But when the Xiaomi 2s test call, the screen is lit, but no screen is not unlocked, only after unlocking the point of the interface. Asked others, said is to see the Android this aspect of the bottom, I do not know what a good solution?This is the code for
The full screen setting in the Android program includes two parts: window full screen and A ctivity full screen.
Window full screen is the title bar used to hide time, power, signal, and other information at the top of the system. A cti full
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