Mobile Develop

Install JDK, such as directory in C:\JavaIn order to facilitate the development of Java programs, you need to configure the environment variables, right-click My Computer---Properties----environment variable----- User Variables in the [New (N)] Add

Adding fragmentation at run timeClick to get Source code Splitting the UI into multiple configurable parts is one of the advantages of fragmentation, but its real strength is that it can be dynamically added to the activity at run time. 1,

The upper level is Android, the lower layer is called C + + library1, will vargind according to the official website method to download the source code compiled Inst directory 2, through the win under the Android SDK Platform-tools in the ADB push

in Android development we often encounter too many pictures or improper operation caused out of memory abnormal, sometimes although it solves the problem but it will affect the efficiency of the program, for example: When the user in the fast

Describe the API to read the text, test the knowledge on the phone to support English, the Chinese library should not be supported /* Copyright (C) The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License" ); *

1 Uialertview similar to the dialog in Android, the following simple usage:Uialertview *alertview = [[Uialertview alloc] initwithtitle:@ "Title" message:@ "Messate" Delegate:nil cancelButtonTitle : @ "cancle" otherbuttontitles:nil, nil];[Alertview

The centralized way to deliver messages:One:Message message = Message.obtain (); message.obj = Data;message.what = is_finished;handle.sendmessage (message);Two:Message message = Message.obtain (handle); message.obj = Data;message.sendtotarget

a conceptContentobserver is used to observe (capture) changes in data caused by a particular URI, and then to do some corresponding processing,when the URI observed by the contentobserver changes, it is triggered. The concept of contentobserver is

Currently the most complete, need to register the action match as follows:Intentfilter intentfilter = new Intentfilter (intent.action_media_mounted); Intentfilter.addaction (intent.action_media_unmounted); Intentfilter.addaction

1. Refer to the example write, run total crash, mostly is the guide library problem ... 2. Since this is not possible, we have to copy all the source code to the project. Then fix the error, (copy the required res file over. Mainly several files in

1) Create a Android ProjectFill in the project information2) Create a new ActivityRight click on the left side of Eclipse (default) you want to join the activity package, for example, my package is com. Indroid.layout. Then select New->class, enter

Everyone should play "Hammer and Scissors Cloth" game: two people at the same time give gestures, the rule of victory: Now give a record of the confrontation between two people, please count the wins, flat, negative number of both sides, and

Customize dialog box settings style How to use: for example, we need to customize a dialog, do not need to dialog the title code as follows: /** * Image Magnification Dialog * * @author jone * * May 13, 2014

Recently to upgrade the Project app, a little research on Android app updates, share my experience.Since it is an update, it must be networked and downloaded, so there must be networking and storage access:Can be used in XML and database, PHP and

After setting up the Android development environment, it is no problem to run the Android app with the simulator, but when the phone is connected to the computer by USB, the computer is not recognized and Eclipse is not recognized. The reasons are

Ext.Msg.alert and other pop-up boxes on some Android phones, click OK to not disappear.The reasons are:After clicking OK, the message box has a CSS3 transform animation that will not be hidden until the animation is finished (Display:none). Some

Package com.gc.alertdialogdemo;/** * Alertdialog: * 1, Alertdialog function is very powerful, it can generate a variety of content dialog box, actually Alertdialog generated * The dialog box can always be divided into 4 regions: (1) the icon area (2)

AnimationIn the Android program often use animation effect, and animation effect is mainly animation to achieve, the API gives the explanation:　　It contains 4 animation effectsAlphaanimation Gradient TransparencyRotateanimation Screen

Package com.gc.adapterviewflipperdemo;/** * Features: auto-play Picture library * @author Android General *//* * 1, Adapterviewfilpper inherits Adapterviewanimator, it also * displays multiple view components provided by adapter, but it can only

simulator is too slow, and the effect of running the program on the emulator is still a bit different from the real machine, so we recommend that you try to use the real machine debugging. Connect your Android phone to your computer via a USB cable,