欧美色欧美亚洲另类七区,惠美惠精品网,五月婷婷一区,国产亚洲午夜

         Android - The Basics培訓

Android System Architecture. Operating environment
Discussion of the overall architecture of the system Android (Linux kernel, core libraries, JVM, etc.)
Preparation of the working environment (Eclipse + Android SDK). Methods of debugging the program. Discussion of tools such as adb, draw9patch, DDMS, emulator, etc.
Activity life cycle. Implementation and performance analysis methods onCreate, onStart, OnResume, OnPause, OnDestroy.
Data structure design androidowego (src directories, res, xml file AndroidManifest.xml, permissions)
The rules for creating layouts. Examples of Linear-class implementation, Frame-, table-, RelativeLayout.
Implementation loading layouts from XML files and from within the application. Gravity class.
Create menus and dialogs. Implementation and event handling class menu and classes that inherit the dialogue.
Support graphics and touch interface
Review and implementation of the View class methods and drawable.
Gestures - touch event processing. The implementation class methods TouchEvent
implementation of the basic 'building blocks' of the software for Android. Implementation classes TextView, Button, Checkbox, ListView, etc.)
Notification class implementation
Access to the other activities and services running in the background, multithreading
Intent class overview - what it does.
Running other activities. Implementation of the method startActivity () and onActivityResult ().
Starting and communication services operating in the background. Discussion and implementation methods of the class Service.
broadcasts
Threads and Multithreading. Implementation AsyncTask class.
Synchronization. Implementation synchronize blocks and synchronized methods.
Service Location
The basic theoretical information about GPS, WGS84, digital maps (GoogleMaps, OpenStreetMap, BingMaps, etc.)
Event handling GPS. Implementation LocationListener class methods.
Drawing icons and objects on the map.
Extracting the coordinates of the click on the map.
Other
Service settings are stored on the device. Class Preferences.
Access to remote network services. Implementation classes HttpPost / HttpGet.
parsing data structures in XML and JSON. Read and write files on the device.
SQLite CONTENTMANAGER.
Sensors, Cameras, OpenGL.