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1. Package name is a unique identifier for an app that is judged on the Android system.2. Start Page Activity simply means that the activity refers to the page we see in the app, a page is an activity, and usually the first page that starts up is what we call "Startup page activity."3. Why do I have a start page (splash scree
??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
android: configChanges of the Activity is not set, the life cycle of the screen is re-called, the screen is executed once, and the screen is split twice.2. When setting the Activity's android: configChanges = "orientation", the
When you start the app, get the screen width high App.cs inside add: Public Static Double ScreenWidth; Public Static Double ScreenHeight;Android under MainActivity.cs inside add:protected Override void OnCreate(Bundle Bundle){Tablayoutresource = Resource.Layout.Tabbar;Toolbarresource = Resource.Layout.Toolbar;Base.OnCreate(Bundle);Global::Xamarin.Forms.Forms.Init
First science about the difference between app hot and cold start: App Cold start: When the application is started, the background does not have the application process, then the system will re-create a new process assigned to the application, this startup is called cold start (the background does not exist the application process). app hot start: When
, you want to let the developer put in the DRAWABLE-XHDPI resource folder, so it can be displayed correctly. Personally think that only provide a set of material can be, you can test the application on the low-end mobile phone running is smooth, if the lag, you can provide some of the mdpi picture material, as the xhdpi in the picture run on the MDPI phone will be compared to the memory. Take the app icon as an example, the icon size in xhdpi is 96p
separate layout of the 320DP screen, and if you want to adjust a particular resolution, you can place the layout file in a folder labeled resolution, such as layout-854x480.7. Folders for several resourcesMake a picture in 720x1280, you want to let the developer put in the DRAWABLE-XHDPI resource folder, so it can be displayed correctly. Personally think that only provide a set of material can be, you can test the application on the low-end mobile ph
ObjectiveHello everyone, to bring you AndroidStudio制作欢迎界面与应用图标 an overview, I hope you likeWelcome screen and App iconThis project uses Android Studio 3.0.1 as a development toolActivity_splash.xmlCreated a activity_splash.xml layout file for the Welcome interface layout, first modified to Relativelayout layoutSplashactivity.javaCreate Splashactivity.java class,
the phone:Open system settings, in the About phone, click on the bottom of the system version information seven times. Then press back to see the developer options. Open the developer option and turn on the USB debug switch. (Some domestic mobile phone systems may be opened in a different way, such as Meizu is in the Dial key input *#* #6961 #*#* exit, and then re- enter the settings-accessibility- developer tools)(2) Turn on the Bluetooth debug switch on the
separated values. In general, the 240x320 screen is low-density 120dpi, that is, the ldpi;320x480 screen is medium density 160dpi, that is, the mdpi;480x800 screen is high-density 240dpi, that is, the hdpi;720x1280 screen is ultra-high-density 320dpi, That is, the xhdpi;1080x1920
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
(intent.action_screen_on); Mintentfilter.addaction (Intent.action_time_tick); //set the priority of a broadcastmintentfilter.setpriority (Integer.max_value); if(NULL==mlockscreenreceiver) {Mlockscreenreceiver=NewAppreceiver (); Mintentfilter.setpriority (Integer.max_value); Registerreceiver (Mlockscreenreceiver, Mintentfilter); Toast.maketext (Getapplicationcontext (),"Appservice", Toast.length_long). Show (); } notificationcompat.builder Builder=NewNotificationcomp
Problem classificationSwipe the screen to turn on the appropriate feature action.Problem description1, the user manually swipe the screen, according to the direction of the slide, open the corresponding function (such as: slide up the experience of the cash cow, slide to open the task details, left-swipe to open the cornucopia item viewing and other functions), sliding event capture problems.2, we all know
control system as part of the project. To edit the file, you can right-click the project folder in Eclipse and select Properties. Local.propertiesThis file is used to save custom build properties for a specific computer. If you use ANT to build your project, the file needs to include the SDK installation path. The file should not be included in the version control system. If you use Eclipse, the file can be ignored. Ant.propertiesThis file is used to save the custom properties of the build sy
: Identify the app that starts. ※ The following details are describedHost: Proper descriptionPath: The key※ required to pass the value is not also availableQuery: Get the value of key and Value※ no also canWrite it well as a test, as follows:Next comes the Android side.First, add the following to the main activity of Androidmanifest.xml. (given when activating activity)* Items must be addedThe contents of t
Differences between Android TV app and mobile app: androidappOne of the company's projects is for android TV. Thanks to the daily report, summary: android TV app presents the difference between the ui and mobile app.The main diffe
interface with the Android tool. The answer in StackOverflow http://stackoverflow.com/questions/13193592/ Adb-android-getting-the-name-of-the-current-activity gives three solutions to this problem: 1) Dozen Hierarchy view (Window->open perspective->other->hierarchy view), The current occupy screen activity and package are shown in bold in the Windows bar, as s
powerful cross-platform capability-so you know why Google is using relatively inefficient virtual machine technology on Android? This is the foreshadowing of a Cross-platform app. Bring your own Google service The usefulness of the arc is unquestionable, especially for Windows systems, which is a tonic. Windows is not smooth in the mobile world, although a large number of Windows tablets ar
Your Android project is very powerful, docking a lot of third-party open source libraries, the more complete the project, the more the code hit more and more cool. But suddenly one day the newspaper was abnormal.Error: The number of method references in a. dex file cannot exceed 64K.The compiler reminds you that your project has more than 64k of methods.Androidstudio will remind you:Learn how to resolve the issue at https://developer.android.com/tools
total. Launcher: number of cells that spanx = "4" occupies on the X axis. "4" represents 4 cells. Launcher: number of cells that spany = "2" occupies on the Y axis. "2" indicates 2. Daming Original: Reprint please indicate the source: http://blog.csdn.net/wdaming1986/article/details/6978814 Compilation instructions: (1) build first. If you have any questions, refer to compiling the source code for Android in Linux [
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