Mobile Develop

First, Block The concept of:Nickname: code snippets, blocks, closures, is the Apple company added to OC in the language. function: Saves a piece of code while the program is running, and this code can be passed. application: Used for communication

1. In the background to maintain an Android version number, every time you enter the app, on the Welcome screen, go to query the latest version number. Compare with the current version of the app.2. Place the latest app (the latest version number)

Nsnotification is notification, you can implement an object to send notifications, multiple objects receive notifications.Work Flow:Add a notification hub (singleton) to the class that needs to send notifications.Send a notification in the class

Android development needs to quickly locate the problem, print log on the Android screen, is a good channelBasic idea: Start Logservice read the specified log, use WindowManager to display on the screenDirectly on the codepublic class Logservice

Public classlogutils{private static Final BooleanVERBOSE=true;private static Final BooleanDEBUG=true;private static Final BooleanINFO=true;private static Final BooleanWARN=true;private static Final BooleanERROR=true;private static

Inspired by Slidingmenu Android adds Drawerlayout to implement the swipe menuDrawerlayout is inherited from the ViewGroup, where you can place the child view. Drawerlayout the main content area and menu areaUse the following method1. Same as the

1. Why does the page lag?In the development we often encounter the layout of the more complex cells, when sliding will lead to the interface is not smooth, the phenomenon of lag, this is due to CPU computing and GPU rendering, not in time to

A button is the most common UI control that inherits the Uicontrol base class, which, by default, belongs to the active control, which interacts with the user and fires the appropriate event-handling method.The following examples are several

When we write modification information or search, change the password and other interface, the main purpose of the user to enter this interface is to input modify/find some information, in order to user experience should automatically eject the soft

For a long time did not write a blog, recently busy graduation. In fact, I have always wanted to write a picture of the compression of the blog, blogging is actually to tidy up the knowledge and ideas I have learned as a record.Image compression for

In the previous blog, the use of Java to develop Android applications, this blog will introduce Java by using JNI call C language to do developmentTo introduce JNI in a more graphic form, first look at the following image, which represents the

Using XCode7 for real machine commissioningThe first step: the establishment of engineering God horse don't talk, here choose Xcode->preferencesThe second step: Add account, is the Apple ID click + Number, after verification success as follows:Then

06Android learning from zero single row of fragmentThis is the last part of Android Basic learning, after this part of the learning is completed, will not be updated in the "Android learning from zero single row" series blog, in this section after

I. OverviewLet's look at the use of layoutanimation today.Two. ImplementCreate a new animation filelayoutAnimation xmlns:android="http://schemas.android.com/apk/res/android" android:delay="30%" android:animationOrder="random"

I. Introduction of the broadcasting mechanismEach application in the 1.Android can register and listen for broadcasts of interest to them. These broadcasts can be either system or from other programs.2. Type of broadcast: Orderly broadcast:

The code for the activity to be posted first:@ContentView(R.layout.activity_main) Public class mainactivity extends appcompatactivity { @ViewInject(R.id.text_view)PrivateTextView TextView;@OnClick(R.id.text_view)Private void OnClick(View view)

When it comes to the theme color of the one-click Switch app, it's also possible to continue to talk about how to implement some of the app's icons to change the color of the icon as you move the theme color of the app. For example, the application

In debug mode, The key is valid for 365 days, and if it expires, the compilation will go Wrong.In order to deal with this problem, you can delete debug.keystore this file. It is located in:(1) OS X / Linux ： ~/.android/ (2) Windowsxp: C:\Documents

This article simply explains the simple interaction between Android and the Web.1:android displaying Web pages: using Android's webview controls to show Web pages2:web Web page calls the Android method: use annotations to expose the methods of

1. Get a list of week spans call directly getweeklist (0) This method can be used to get the week list/*** Get the Sunday issue list */public StaticArrayListString> Getweeklist (intStartid) {ArrayListString> list =NewarraylistString> ();DateToday =