Mobile Develop

First of all, the local Build-tools version is not used by open source projects, the original Android Studio click Error Prompt will be automatically downloaded, but the kingdom of Google all the links are sealed, so you understand ...So to csdn

A CategoryCategory: Category (class, category) (OC)Name: The original class + category name (the original class name is automatically generated, just write the following category name, usually the module name.) such as the original class person, new

Packaging configurationApply plugin: ' Com.android.application 'Apply plugin:' Android-apt 'def aaversion= ' 3.2 'Android {compilesdkversion23buildtoolsversion"22.0.1"Defaultconfig {ApplicationID"Com.fifedu.preschool"minsdkversion14targetsdkversion23

First, configure the environment1. Download IntelliJ idea152. Install the Android SDK and install or uninstall the Android platform via the Android SDK manager 3. Installing the JDK second, IntelliJ idea new Android Project1.file->new-project ... 2.

Welcome to follow my GitHub and follow my csdn. Kotlin is a JVM-based programming language developed by JetBrains Corporation and is now open source.IntelliJ idea, Pycharm, Android Studio and other Ides, is from JetBrains

For beginners Like us, the cell reuse mechanism is hard to understand, so we don't necessarily have to understand it.Cell reuse mechanism: When we use TableView, the system will only create the number of cells displayed on the screen +1, when the

The custom Actionsheet effect is as followsThe idea of customizing1. Add two layers to the window, the background layer and the function layer, as2. Set the background color and transparency of the background layer and add click events on the

2 months, project development OK, has submitted a version for review. Here is a summary of the use of the Aurora push.1. First of all, of course, the account application2. After the environment configuration:Here is the link:

1. Basic knowledge(1) All touch events are encapsulated as motionevent objects, including touch location, time, history, and the first few fingers (multi-fingered touch).(2) The event types are divided into Action_down, action_up, Action_move,

Translateanimation more commonly used, such as QQ, NetEase news menu bar animation, you can use translateanimation to achieve,Define animations with translateanimation (float fromxdelta, float toxdelta, float fromydelta, float toydelta)Parameter

Transfer from http://www.cnblogs.com/loulijun/archive/2012/02/09/2344681.htmlThe activity is more like a control unit that controls the view content displayed on the window, such as having a Addcontentview () method in the activity, actually

The rotateanimation rotation coordinate system is a coordinate system (0,0) point with the rotation point. The x-axis is 0 degrees and rotates clockwise to a certain angle.1.RotateAnimation (Fromdegrees, todegrees) [by default, the top-left vertex

UIWebView's Simple Learning#import"ViewController.h"@interface Viewcontroller (){UIWebView*WebView; UIView*view; Uiactivityindicatorview*Activityindicator;} @end @implementation Viewcontroller- (void) viewdidload {[Super viewdidload];

A. Play local music on your phone1. Create a Mediaplay objectMeiaplayer Player;player = new MediaPlayer ();2. Resetting the Player objectPlayer.reset ();3. Set up resource preparation, startPlayer.setdatasource ("Sdcard/a1.mp3");p layer.prepare ();p

Each app must have its own icon, and the name. You also need to set up a startup diagram if needed.Today we'll just say how to set these up. This blog post does not discuss the size of the issue.IconThe icon setting is still very simple.Depending on

When creating a new Android project, I found that the R.java file was not created. The Fix Project Properties, Project clean, and so on have all been tried, but the r.java file is still not generated. The inheritance of automatically generated

Main ideas (implementing the download data fragment write cache)1, using Nsurlconnectiondatadelegate and proxy method.2. In the agent method that successfully gets the response, obtain the full path to the sandbox and create an empty file and file

After the end of the year, to organize the recent problems encountered. 1, add Ivar dynamically via runtimePros: Add Ivar dynamically we can get the properties we add by traversing Ivar.Cons: You cannot add Ivar in an existing class, you must

Server and ClientNetwork Architecture:Cs:client Server: advantages: High user experience disadvantage: cannot cross platformBs:browser Server: advantages: cross-platform, cons: performance depends on speedLong connections and short connectionsLong

first, Introductionsecond, the Code1.xml(1) Activity_main.xml 1 android:orientation=" vertical " 4 android:layout_width= "fill_parent" 5 android:layout_height= "fill_par ENT " 6 > 7 button 8 android:id=" @+id/sendbutton " 9