android locker

Android configuration file (2) and android configuration file We know that each module of the Android system provides very powerful functions (such as phones, power supplies, and settings). By using these functions, applications can be more powerful and flexible. However, using these functions is not unconditional, but requires some permissions. Next, we will beg

Free Library and tool set for Android development, android class libraryA set of free class libraries and tools for Android development, which are classified by directory. Action Bars ActionBarSherlock Extended ActionBar FadingActionBar GlassActionBar V7 appcompat library Advertisement AdMob Google Mobile Ads SDK InMobi MMedia MobileCore MoPub Tapjo

Android Toast introduction-android learning journey (), toast-androidToast Introduction Toast is a very convenient message prompt box that displays a short message prompt on the desktop. There are two features:1. The message does not obtain the focus.2. It will automatically disappear in a period of time.Toast generation steps 1. Call the constructor or the static method makeText () to generate a Toast.2. C

The Audiomanager class is located on Android. Media package, this class provides access to control volume and sound mode operation The following are the Audiomanager ways to set the sound mode and adjust the sound size. How to get the Sound manager: The code is as follows Copy Code Audiomanager Audiomanager = (audiomanager) getsystemservice (Audio_service); The Main method inside: A, set the sound mode

/"+ context.getpackagename () + "/shared_prefs"));} /** * Clear the application database by name * * @param context * @param dbname * *public static void Cleandatabasebyname (context context, String dbname) {Context.deletedatabase (dbname);} /** * Clear the content under/data/data/com.xxx.xxx/files * * @param context * *public static void Cleanfiles (context context) {Deletefilesbydirectory (Context.getfilesdir ());} /*** * Clear the external cache content (/mnt/sdcard/

Android notes-Android architecture and android ArchitectureI. Android system architecture The Android system architecture consists of four layers: Linux kernel layer, system library layer, application framework layer, and application layer. Figure 1 architecture of the

Introduction to Android Development (20) content provider 20.3 predefined query characters Introduction to Android Development (20) content provider 20.2 ContentProvider use Getting Started with Android development (20) content provider 20.1 data sharing Getting Started with Android development (19) database 19.3 pr

Ym-Android bus summarizes nearly a hundred excellent open-source android projects. 1. sample projects provided by the Android teamIf you do not start by learning the sample code provided by the Android SDK, there may be no better way to master the development on the Android

Android. Permission. access_coarse_locationAllow a program to access cellid or WiFi hotspot to obtain rough location(Allows an application to access coarse (e.g., cell-ID, WiFi) location) Android. Permission. access_fine_locationAllow a program to access excellent locations (such as GPS)(Allows an application to access fine (e.g., GPS) location) Android. Permis

About Android ProjectsA project is a container for saving source code and resource files.The Android SDK tools provided by Google can only be compiled and packaged for projects with a fixed directory structure. It is therefore highly recommended to create an Android project using Eclipse + ADT or Android commands.You c

Android is a milestone in the development of embedded Linux. In recent years, there have been a large number of Embedded Linux applications, and some people have come to unify the world, give confidence and a success model. Android is a successful example of embedded Linux! The open source code for Android is too helpful for studying all aspects of the embedded

My Android advanced tutorial ------) Create and view a custom Debug version Android signature certificate in Android When Android Application Development accesses various sdks, it will find that many sdks need to be identified by the package name and the certificate fingerprint SHA1 code, such as the Baidu map SDK. In

ArticleDirectory 10th class: Gui core system update 11.1 system UI changes 11.2 desktop update There are many Android versions. in the traditional sense, a large number of device manufacturers are mainly Android 2.2/2.3, but now they need to switch to Android 4. version X. X system vendors and developers focus on the following: 1. Core Tec

[Development Diary of Android in a row from scratch] (13th) -- Analysis of Android controls, and introduction to android Android controls are derived from android. view. view class, in android. the widget package defines a large n

In the previous article, I showed you how to create a custom original-android.jar that contains both internal APIs and all classes in the hidden APIs. The next step is to modify the existing Android platform (sdk_dir/platforms/platform-x/Android. Jar ). You can simply replace Android. jar with the original-android.jar created in part 1, but with unlimited use of

Android learning notes ①-Basic installation of android tools, Android Android has been out for a long time, and there are a lot of online tutorials. If you are afraid of forgetting it later, you can learn the knowledge shared by the online experts and record it. If you can help others, that's better! In view of the cur

Android notes-data storage in Android (3), android notes The Android system integrates a lightweight database:SQLiteTherefore, Android supports databases very well and every application can use it conveniently. As an embedded database engine, SQLite is applicable to the acce

Step three, download and install ANDROIDSDKIn the first two steps, we have configured the JDK variable environment and installed Eclipse, and after these two steps, the Java development environment is ready, if we just develop a common Java application, then here we are. But if we're going to develop an Android app through Eclipse, we'll also need to download the Android SDK (software development Kit) and i

1. PrefaceIn the previous article we introduced the basic process of building an ArcGIS Runtime SDK for Android development environment based on Android Studio, in which we used the Gradle-based approach to build, in this way primarily by setting up the MAVEN warehouse location , set compilation options, dependent versions to download the corresponding SDK dependency package in a networked environment.But i