Mobile Develop

1 If the activity page has edittext, in order not to affect the user experience, we need to enter the page without popping the soft keyboard. How to set it up?When you configure activity in the Mainifest.xml file, you can set these two

Yesterday research hybrid Android app in the data sharing between JS and Java code, the specific scenario is that the user login is Android Java implementation, but some of the business was developed using HTML5, so after logging on to the home page,

Design principle one : single principle of responsibility Definition: There should be only one reason for a class to cause it to change. Advantages: Reduce the complexity of the class, improve the readability of the class, improve the

Why to Cache Pictures:(1) According to the specific device of the different Android system for each application allocated a fixed memory space supply use;(2) The picture is a very memory resource file, if loading a picture in the interface is good

iOS enterprise apps can be installed without being released through the App Store, and can be used directly within the enterprise. Of course, the release of enterprise applications first need to spend $299 application to become an enterprise

In the background of the app, sometimes in order to mark the copyright, you need to add a watermark to the image.In Liunx, Im4java+graphicsmagick is an efficient process of image processing, image clipping is the use of this technical solution, in

background : There have been two blog posts written about activity beforeThe life cycle of Android activity: Detailed description of the activity's entire life cycle, transitions between states, and the state of the activity that was saved when

IOS8 Basic Components Uibutton/uiimage use, tag use, frame use, transform useIOS8 all kinds of connection and wrong solutionSuitable objects:Swift crowd, OC to Swift crowd, university teacher and student, hobby iOS developer.Learning

With intent, there are two ways to deliver Java objects between activity in an Android project: One passed object implements the serializable interface, and the other is the Parcelable interface that the passed object implements. This blog

the position of the center of rotation can be set by settingCenterofrotationx,Centerofrotationyand theCenterofrotationzproperty to specify. Centerofrotationxand theCenterofrotationythe default value of the property is0.5that represents the axis of

iOS development calls system camera and turns on flashToday to share with you how to call the iphone's camera function and turn on the flash, some code I do not understand, many are on the internet to learn from others. iOS has two ways to take

The following are the first things you should learn about all the shortcuts in Xcode 6. After you learn how to use it, you may never be without it.Xcode navigation shortcut keys1. Engineering Navigator: command+1Quickly browse through code, pictures,

The usual way to hack the Android program is to use the APK file to decompile the Apktool, generate the Smali format of the disassembly code, and then read the Smali file code to understand the program's operating mechanism, to find a breach of the

Recently made a custom keyboard, first of all to know the iOS device a variety of keyboard height, below to say how to get the height of the keyboard.The main is to use the keyboard pop-up notification.1, first of all to build a project.2, in the

Android has a context concept that everyone knows. Context can do a lot of things, open activity, send broadcasts, open folders and databases under this package, get classloader, get resources, and so on. If we get a context object for a package, we

if(Findviewbyid (Android). R.id.content)instanceofViewGroup) {ViewGroup MainView=( (ViewGroup) Findviewbyid (Android. R.id.content)); if(Mainview.getchildcount ()! = 0) {(ViewGroup) Mainview.getchildat (0) . AddView (Quitbutton); }

Memory options is the size of the emulator's running RAM, analogous to the size of the computer's memory, which is the size that is displayed under the Running tab in the Setup-and-applicationInternal storage is the size of the simulator's built-in

①. Implementation method: 13 People, 3 people a group, with a large array to manage each grouping. 1. Original array Nsarray *array = @[@1,@2,@3,@4,@5,@6,@7,@8,@9,@10,@11,@12,@13]; 2. Number of original arrays

You can take advantage of the canvas canvas class, which is a concrete way to see the official API.Http://developer.android.com/reference/android/graphics/Canvas.htmlHere's the idea: do some processing of your pictures, such as making the upper part

The Android sensor Logoff method is:Public void Unregisterlistener (Sensorlistener Listener) Use this method to unregister the listener.Today found that this method is not good to use, after the call, the sensor will not be canceled at all.No other