android api tutorial

the application is published, the package name is not allowed to be changed. The package name defines the identity of the application, and if the package name is modified, it means that it becomes another application, and the old version of the user can no longer be updated. android:sharedUserId the Linux user ID to be shared with other applications. By default, Android assigns a unique user

Windows-->preferences-->android-->build and gets the SHA1 fingerprint value on the right: "3b:bf:6c:48:0b:ee:79.。。。”。 and record the package name of your application. As this article uses Com.example.mapdemo...(6) to the Baidu Map API site just now, click on the upper right corner of the "API console", click "Create App", create a new app. Configuration paramete

ObjectiveThis chapter is Android.bluetooth.BluetoothClass.Service, for the Android Bluetooth section of the chapter translation, version of the Android 2.3 R1, translated from Zhongshan University's "Android Club Sysu", Welcome to their wiki:http://www.android-wiki.net, thanks again for "Android Club Sysu"! Look forwar

App-based apps are sure to interact with the Web, so this section will be a real-world Android access to the network API, or the use of the previous section of the demo:First, prepare the API:JSON is generally used as a data interchange format, and currently all languages can output JSON strings.If you use PHP to output a simple JSON, you can write this:PHP $arr Array (' users ' = =array(' Mady ', ' 123 '))

Android Api Component --- Fragment Component translation (1) Fragment represents one or more actions in an Activity. You can connect multiple fragment in a single activity to build a multi-panel UI, in addition, one fragment is used repeatedly in multiple activities. You can think of fragment as a modular part of the activity. It has its own lifecycle and receives its own input events, you can also add or r

calls from any number of threads at the same time, they must also be implemented as thread-safe.Inter-process communication Android uses remote procedure calls (Remotes procedure Call,rpc) to provide an interprocess communication (IPC) mechanism through which methods that are invoked by Activity or other application components are executed remotely (in other processes). All results are returned to the caller. This requires splitting the method

Android clipboard operation method is used in different versions of API, androidapiBefore SDK11, use android. text. ClipboardManagerJava code Import android. text. ClipboardManager; ...... ClipboardManager clipboardManager = (ClipboardManager) getSystemService (Context. CLIPBOARD_SERVICE ); ClipboardManager. s

Recently has been calling the micro-letter API, but found that the call has been unsuccessful, tangled up for a long time, all aspects of finding tutorials, find the official, the official documents are only very vague, said to be three steps away. 1. Apply for app_id 2, fill in the package name 3, Gets the MD5 value of the program signature, These three steps as long as you go right can be transferred, but people do not know that sometimes we pac

Preface This chapter is about android. bluetooth. bluetoothClass. android 2.3 r1, translated from Sun Yat-sen University's "Android Club SYSU", welcome to visit their WIKI: http://www.android-wiki.net, thanks again for "Android Club SYSU "! I look forward to your participation in A