Android

Five data storage methods for Android and five data storage methods for android1. Five methods for storing Android data (1) SharedPreferences Data Storage Description: http://www.cnblogs.com/zhangmiao14/p/6201900.html Advantage: SharedPreferences is

About jni compiling 32-bit and 64-bit dynamic libraries (Android. mk and Application. mk files), jniapplication. mk   The latest new project needs to compile a 64-bit dynamic library, which records how to configure it. Add the Android. mk and

Android communication protocol and Android communication protocol I. TCP/IP protocol (Transport Layer Protocol) 1. Socket and ServerSocket Socket is the intermediate abstraction layer for communications between the application layer and the TCP/IP

Android custom control -- (5) Click the color change button. android Control -------------------------------- Click the color change button (attribute explanation is available in the source code )-----------------------------------------------------

Android Development Learning-building a development environment and building android I learned some simple UI components, layout and four main components of android in the school class. Data Storage and network communication are all simple concepts

Android 5.0 (including versions earlier than 5.0) obtains the top-stack application package name and android package name. /** * Get the package name (available in both versions) * * @ Return */ Public String getTaskPackname (){

Three POST and GET submission methods: postget submission There are two ways to submit data to the server: post and get. There are three main differences between the two: security, length restrictions, and data structure. The get request is less

Different Android selectors are easy to use and address date and time are easy to use !, Android Selector Preface Picker is used in many cases in Android development, such as selecting the address, date, and time.   Native Picker and iOS-like Picker

Android mobile guard-signature file description & package Name Description, android guard In the article "Android mobile guard-pack and generate an apk to maintain the server", the new apk version is implemented to the server. When the client apk is

Android classic Singleton mode and Android Classic Mode SInstance is not initialized when the Singleton class is loaded for the first time. sInstance is initialized only when the Singleton getInstance method is called for the first time. Therefore,

New Features of GreenDao3.0 (configuration, annotation, encryption) and new features of greendao3.0 Greendao3.0release was released in July 6, with three major changes: 1. Package Name Change 2. entity annotation 3. encryption support

Add, delete, modify, query, and delete android Databases Main java Package com. itheima. crud; import android. app. activity; import android. content. context; import android. database. sqlite. SQLiteDatabase; import android. OS. bundle; import

Android Studio imports the project and module downloaded from github, androidgithub In the previous eclispe era, we often went to github to browse third-party open-source resources, download them, run samples, and learn third-party Android libraries

Android-simple imitation QQ chat interface, android chat Recently, I made a similar interface like QQ chat. I first looked at the composition of the interface (the picture is not so beautiful to join in ,,,,): The chat background can be either

Android classic exit method, android classic exit Android classic perfect exit method: creates an Activity management object in singleton mode. This object has an Activity container (which can be processed by yourself and used in sort list) it

Implementation of several tabs in Android After learning Android for a long time, I will summarize the implementation methods of several tabs today. Implementation Method 1: ViewPage implementation First, create a top. xml layout and a bottom. xml

Android-bind a service to call a serviceThe Service can be started in two ways:1. StartedStarted Service is Started by using the startService (Intent intent) method in the Application. Once started, this type of Service will run endlessly, even if

Android interview questions 1. Whether the process of android dvm is the same concept as that of Linux: A: dvm is a dalivk virtual machine. Every android application runs in its own process and has a dalivk Virtual Machine instance. Every dvm is a

Foreign dry goods! 6 methods to help you design excellent apps and dry apps A great design comes from consistency and refinement. In fact, every team can achieve this with enough discipline. Brand (Source: http://www.jinhusns.com/Products/Download?

Android Studio import project installation Error: Cause: failed to find target with hash string 'android-23' and other errors, stringhashcode This error occurs when importing a new project today. Error:Cause: failed to find target with hash string '