how to restart system ui in android

the app's data * Most of the time, when we clear the app's data, we mostly find the app in the settings * and then select its erase data. The code implementation is given below. * * In the above section of the code to remove all the things under the data/data/packagename. * So it is necessary to restart the device, because its lib has been deleted. * After the device restarts, it will voluntarily generate a new LIB the

For example, if the activity starts the System camera function and sometimes the activity is forced to restart when it is returned, the solution is as follows: 1. Add the following attributes to the activity in the configuration file: Android: configchanges = "keyboardhidden | orientation | screensize" 2. Override the onconfigurationchanged method in the activ

, call the following code implementation: @Overridepublic void onbackpressed () {//press the return key to return to the desktop intent intent = new Intent (Intent.action_main); Intent.setflags ( Intent.flag_activity_new_task); intent.addcategory (intent.category_home); startactivity (Intent);} Although this method can implement the functions we need, if there are many desktop applications installed by users, a dialog may be asked to select a desktop to run. However, if you change the code to t

ObjectiveWelcome everyone I share and recommend useful code Snippets ~ ~StatementWelcome reprint, but please keep the original source of the article:CSDN:http://www.csdn.netrainy season o mo away:http://blog.csdn.net/luckkofBodywhy can't adb reboot in Factory mode after KK? Under normal circumstances, the ADB reboot can be restarted.[Keyword]ADB reboot, Factory mode, factory model, Factory mode cannot be restarted[version constraint]Android 4.4, KK or

Android development optimization-UI optimization (1), androidui During Android Application Development, the layout code of the control on the screen is usually separated from the logic code of the program. The layout code of the interface is stored in an independent xml file, which is organized in a tree and controls the layout of the page. Usually, many controls

Android Interface ProgrammingAndroid Advanced UI Components 2.4.1 Adapter Components the role of the adapterThe adapter acts as a bridge between the adapter control and the view data . the adapter provides access to the data item and is responsible for generating a view of each item in the Data group . commonly used adaptersBaseadapter: Abstract class, with a high degree of flexibility.Arrayadapter: The sim

This software sets the user's first access to the page load wait function, which is a waiting page lasting 1 or 2 seconds for the user, while the user is waiting, the program performs some necessary checks and data preparation work. The loading page is divided into the UI and function sections. The first step is the implementation of the UI from the table and in, in addition to functionality, it is also ver

This article simplifies some content in the online article "android Development Guide-User Interface-dialog box" and adds some of your own understandings. The same content is copyrighted by the original author.Show dialog box A dialog box is often created and displayed as part of an activity. You shouldProtected dialog activity. oncreatedialog (int id)The create dialog box in the callback method. When you use this callback function, the

due to, for example, a configuration change. This is a lot* Easier than using the raw activity. onretainnonconfiguratininstance () API.*/Public class fragmentretaininstance extends activity {@ OverrideProtected void oncreate (bundle savedinstancestate ){Super. oncreate (savedinstancestate ); // First time init, create the UI.If (savedinstancestate = NULL ){Getfragmentmanager (). begintransaction (). Add (Android. R. Id. content,New uifragment (). Com

Mobile app UI design is like Damocles Sword, on the one hand, a visual, interactive, well-experienced UI can enhance the application in the user's mind image and recognition. On the other hand, a poorly experienced UI design not only allows users to immerse themselves in the application, but also creates a sense of disgust for the application. So when it comes to

The Android UI element contains a lot of content. For example, the platform consists of the operating system, middleware, user interface, and application software. If an application needs to be liked by users, the UI can be different. Android introduces some new terms for si

IntroducedThe Android Test Support library includes a UI Automation module that automates black-box testing of Android apps. The automation module was introduced in API level 18, which allows developers to mimic user behavior on controls that compose the application UI.In this tutorial, I'll show you how to use this module to create and execute a basic

Android l-Material Design (UI control) and androidui Reprinted please indicate this article from the blog of the big glutinous rice (http://blog.csdn.net/a396901990). Thank you for your support! Android L: Google has confirmed that Android L is Android Lollipop (5.0 ).

= "Portrait" >NBSP; NBSP; NBSP; NBSP; android:screenorientation=" Portrait ">NBSP; NBSP; android:screenorientation=" Portrait ">NBSP; NBSP; In addition, the switch of each screen in Android will restart activity, so you should save the current active state before the activity is destroyed, and load the configuration when the activity is re-create, so the game in progress will not be rest

The UI is the face of every application that interacts with the user. A good face is not just to be beautiful but to be human. It is best to have a good meal, but to have a strong temperament and be gentle and patient. For developers, forging such a face requires not only superb skills, but also powerful tools and materials worthy of the party. As the saying goes, yunmu cannot be carved. Furong is not made in a single day. It is not a platform that ca

We have talked about Android UI design.Official tutorial on "Android UI" Design. This article will discuss the thread model of Android applications and how to use threads to process time-consuming operations, rather than executing them in the main thread to ensure smooth run

Android updates the UI in four waysPreface I believe that users who are new to Android development may encounter a problem. We started a thread and updated the UI in this thread, maybe a line of text is displayed in TextView, or the image displayed in ImageView is changed. Although it only seems simple and correct, the

resources in the application can be directly used, specific, you can go to the corresponding folder in ANDROID-SDK to see. For example: can enter the $android-sdk$\platforms\android-8\data\res, inside of system resources is sweeping.Developers need to spend some time familiarizing themselves with these resources, espe

Android UI component (1)-buttons with progress bars and androidui Android UI component (1)-buttons with progress bars This section introduces: This series is an advanced series following the Android UI component instance list, i

In Android, the MessageQueue, Looper, and handler three classes are primarily implemented to implement message processing for Android applications. Where the MessageQueue class is used to describe Message Queuing, the Looper class is used to create message queues, and to enter the message loop, and the handler class is used to send messages and receive messages.This article will be a brief introduction to h