Android

Status Switch and togglebuttonswitch XML attributes supported by ToggleButton and related methods1. android: checked -----> setChecked (boolean)-----> Set whether the button is selected2. android: textOff -----> set the text displayed when the

Best practices for managing multiple Fragment in Android, which perfectly solves the problem of storage status and shadow. androidfragment Since Fragment was introduced in Android 3.0, it has been used more frequently. The benefits brought by

User-friendly input interface and user-friendly Input Interface   Demo2 \ youhao \ src \ main \ res \ layout \ activity_main.xml 1 7 8 9 10 15 16 21 22 23 24 25 30 31 36 37 38 39 40 45 46 51 52 53 54 55 60 61 66 67 68 69 70 75 76

The token and androidtoken in the interaction between the Android client and the serverWhat is TokenToken? Token is a string generated by the server. It is used as a Token for requests from the client. After the first login, the server generates

Use echarts, echarts ECharts home: http://echarts.baidu.com/index.html ECharts official instance: http://echarts.baidu.com/doc/example.html ECharts official API documentation: http://echarts.baidu.com/doc/doc.html Basic steps: 1. Create an html file

Use of android Card view component cardview, Cardview is a component in the support library v7 package (recyclerview is also here, and will be detailed in the blog below) When I started to write the demo of recyclerview, I found that all other

Android practice simple tutorial-23rd gun (Baas-based user registration and login module implementation !) Next, let's take a look at the code in the last two articles based on the APIS provided by Bmob. 1. registration page xml:  

Android provides a nice-looking custom prompt box :Code Section Main_activity.xml MainActivity. java: Package com. example. mydialog; import android. app. activity; import android. OS. message; import android. support. v7.app.

Android clicks the button to make other controls focusRequirement: click a Button to focus on EditText; Very simple, 1. Add the following content to the xml Attribute of EditText: Android: focusable = "true"   2. Add the EditText focus

The WatchKit control is superimposed to achieve the effect similar to addSubview, watchkitaddsubview Recently, I was playing Watch. After studying the layout of watch, I found that the native layout of InterfaceController is only horizontal and

Android gets the string width displayed in TextView, androidtextview When there is a business at work, you need to determine whether textview has a line break. My approach is to determine whether the width of the string to be displayed in textview

After the project code that uses the afinal annotation is obfuscated, some view click events of some controls are invalid. afinalview Recently, a project was launched, requiring code obfuscation. After obfuscation, click events of some controls

Android interview question Activity, androidactivity Activity Four startup Modes Standard, singleTop, singleTask, and singleInstancestandard: when an Activity is activated (startActivity), the Activity instance is created and placed into the task

A basic review (a sequence that is not repeated from large to small, any sum value is given, and all the satisfying and sum pairs in the sequence are obtained), sum number pair A basic review (a sequence that is not repeated from large to small, any

Android slide gesture Usage: First let the specified Activity implement Android. view. OnGestureListener, then add onTouchListener on The View where you need to call GestureDetector, and then setLongClickable (true. For example: CustomView.

Optimization of the first startup time of Android: Pre-compilation and extraction of OdexPrompt! There are two scenarios for application installation: first, installation when the system is started for the first time; second, installation after the

Implementation of the pull-down refresh control in the android system The drop-down refresh control SwipeRefreshLayout provided by android is located in the android. support. v4.widget package. The implementation steps are as follows: 1. Add the

Android click listview to expand and close the results The company is currently working on e-commerce projects. There is an unused and used item in my coupon interface. In the list, you must click item to display the delete button below, when you

Cocos2dx 3.6 source code compilation error: syntax error: missing ') 'before' {', cocos2dxsyntax A compilation error was found during Cocos2dx 3.6 Compilation: Locate the code line: DebugForNormalSprite-> drawPoints (positions, 4, 8, Color4F {0.

Basic tutorial for Android -- 2.2.3 TableLayout (table layout) and androidtablelayoutBasic Android tutorial -- 2.2.3 TableLayout (table layout) Tags (separated by spaces): basic Android tutorialThis section introduces: We have learned more about