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application performance, but also increases the efficiency of the user's use of the app.　　7) Adjust the application resources according to the target deviceTo be loaded as efficiently as possible, the appropriate resources need to be adjusted according to the configuration of the specific device, especially the picture resources. To make the app package file work well for different devices, you can first a

increases the efficiency of the user's use of the app. 　　 7) Adjust the application resources according to the target deviceTo be loaded as efficiently as possible, the appropriate resources need to be adjusted according to the configuration of the specific device, especially the picture resources. To make the app package file work well for different devices, you can first add only the core resources that

in packager. in the json package configuration file, set the namespace of the sample application to "com. sample. helloWorld ", I told you that the namespace should be the package name of the Android app, here, we can use the "pm list packages" command of Android to list al

providing interfaces for activity interactions that are running in the system, where the Runningappprocessinfo class encapsulates the running process information, It also contains the package name of the running app, so we can activitymanager.getrunningappprocesses () get a list of currently running apps and compare the package name to determine if the app is ru

First make sure your Android system version is 5.0+1. Install a mobile phone app called "Tour Show", you can directly scan the QR code below to download and install2. Open the "Tour View Show"3. Click the "Record Screen" icon in the top right corner.4, select a recording screen, mobile phone recommended "vertical screen recording" tablet recommended "horizontal screen recording"5, choose a good recording sc

My topic is a bit of attention, and of course there are spray uneven people think I am alarmist, then listen to what I say is not so little truth.The app in the title excludes the niche developers who just want to push ads on the app, but these developers don't have a high starting point, they just want to rely on the Android platform's easy-to-use

Clear cache data for large applications 1. By clearing the cached files of the program, the released memory space will surprise you 2. Choose Settings> Applications> Manage applications. 3. Press the Menu key and select the "sort by size" option (for Android 2.2, select the downloaded tag first ), then, you can sort the applications installed on all mobile phones according to the application size. 4. Click an application in the

, comment on the message you think you should write it in . the operation of the APP is commonly used command bar ^_^, the author temporarily think of is top,free-m,df–h,uptime,iftop,iotop, if there are any good ideas on the hard to hit it, The author should also put this into a project to put on GitHub, we use together, open source is the king, haha. All right, get to the chase.we use Kivy to develop the

Guo XiaoxingWeibo: Guo Xiaoxing's Sina WeiboEmail:[email protected]Blog: http://blog.csdn.net/allenwellsGithub:https://github.com/allenwells"Android App Development technology: User Interface" Chapter list Layout management inherits from ViewGroup. It is used to manage the components in the Android

: layout_width = "match_parent"Android: layout_height = "match_parent"Android: orientation = "vertical">Android: id = "@ + id/Txt_Size"Android: layout_width = "wrap_content"Android: layout_height = "wrap_content"Android: layout_al

LeadThe Great Army of Android, the development of nearly ten years, technology optimization day to month new, now Android 8.0 Oreo are released, Android system performance has been very smooth. However, to the major manufacturers in hand, to change the source system, so that the Android native system has become a mixed

**/public class ViewPageAdapter extends PagerAdapter {List 2. Create SwitchViewDemoActivity. java: Package com. genius. demo; import android. app. activity; import android. OS. bundle; import android. view. view; import android.

a style; -- Dimen label: represents a size; 3. Classified resource files: If you put all the resources in an XML file, it will increase the maintenance difficulty. Here, you can put different types of resources under different XML files; -- Arrays. xml: stores array resources; -- Colors. xml: stores color resources; -- Dimens. xml: stores size value resources; -- Strings. xml: stores string resources; -- Styles. xml: stores style resources; Ii. Use of resources in

focus on the app's UI and UE design, and relatively complex protocol and error handling and other matters can be ignored. Wit Cloud currently offers 3 sets of Sdk:ios platform native SDK, Android platform native SDK, Apicloud cross-platform SDK. Developers can choose their own according to the project, where the Apicloud version SDK can be developed at once with H5 technology, with iOS and Android two plat

="(("+ Contacts.display_name +"Notnull) and ("+ Contacts.has_phone_number +"=1) and ("+ Contacts.display_name +"! =")) ";return NewCursorloader (Getactivity (), BaseUri, Contacts_summary_projection, select,NULL, Contacts.display_name +"COLLATE localized ASC"); } Public voidOnloadfinished (loader//Swap the new cursor in. (The framework would take care of closing the //Old cursor once we return.)Madapter.swapcursor (data); } Public voidOnloaderreset (loader//This was called when the last C

); (activity). Finish (); If the phone is installed with multiple launcher (such as 360 desktop type of app) will be a bit more trouble, need to show a list of users to choose which launcher, this in product form may make users feel a little puzzled. Now, if you click the Home button in another app, it jumps to our lock screen activity and jumps to the rea

This is a creation in Article, where the information may have evolved or changed. today's main content for Android native app development get go language support, then we first simply look at what go is? Go is a compiled, developed, and garbage-collected programming language for Google. Google engineers and independent developers have proposed several different proposals designed to enable the go la

As a Java-based developer, it is easy to initially learn about Android development. Some of my colleagues are learning java, and I am interested in Android development, I started to learn about it and made a simple and practical small application in less than a month. There may be many people who will ask what are the gaps between Android Developers and those who

principle of technologyThe first way: Obfuscation strategyThe obfuscation strategy is a protection strategy that each application must add, and not only for protection, but also to reduce the size of the app installation package, so he is a feature that must be added before each app release, and now there are two common obfuscation strategies:1, the confusion of the codeAfter we decompile the APK, see the

SSHDroid is used to set up an ssh server on an android mobile phone. This small application has two versions: one free version and one pro version. The difference is whether there is advertisement. After the application Adfree android is installed, SSHDroid will not work, saying that the ad is blocked, and then you can only choose to "quit" or "Buy a paid versio