different emojis for android

Android uses shape to define colors, background colors, border colors for different controlsThe right and bottom border color of the set button is red and the border size is 3DP:Create a new Buttonstyle.xml file in drawable with the following contents: android:left= "10DP" android:right= "10DP" android:top= "10DP"/ > The button inside the layout file

There are many android devices in different shapes and sizes in the world. If you support a wide range of device types, you will have the opportunity to access a wide range of user groups. To achieve greater success on android, your program needs to adapt to different device configurations. You need to support

Cause Today in the project encountered a very "wonderful" problem. This is roughly the case: Android Terminals and servers (Spring), exactly the same string key values in the HashMap into the order is not the same, which directly led to the server and the Android terminal using the HMACSHA256 algorithm to encrypt the digest is not the same, The server will not be able to perform proper data validation. Th

Supporting Different Screens Android uses two common properties to classify device screens: Size and pixel density. As a developer, you should expect that your android application will be installed on devices of different screen sizes and pixel density. Therefore, your application should contain optional resources to o

It is a good habit to extract strings from the code into an external file. Android provides a dedicated resource folder for each project. If you use the SDK tool to create a project, this tool creates a res/folder in the root directory of the project. The subfolders in this folder indicate different resource types. Some default files, such as res/values/strings. xml, define the value of your string. Create

Android transmits data between different Actitity, androidactitity This article implements a simple character calculator to transfer data between different Actitity Intent Data Transmission Open interface B from interface A and pass the data on interface A to interface B. 1. intent. setData (uri) -- intent. getData (); You can transmit simple text data. 2. intent

Different implementation of String. substring in Android and Java, androidsubstring I am lucky to go to sogou Ba today. I have a very interesting question. String str1 = "test for sougou";String str2 = str1.substring(5); The test site is whether str2 generates a new character array to save "for sougou" At that time, I thought that the String contains a char [], which cannot be reused by adding a number t

The resource XML file is adapted to a different versionThis address: Http://blog.csdn.net/caroline_wendyAdapt layout to Android platform or APIlevel: Adapt the layouts file to different API levels to avoid warnings;by creating different folders (LAYOUT-V4)for different API

we all know that a canvas is required for plotting, and then graphics is used to draw the desired pattern. Yes, it is similar in Android. You can get its canvas from a bitmap and draw it. You can also customize a view and use its canvas. When there is no graphics in Android, but instead of using the paint, the usage is also slightly different. Code : JAVA code

, that is, before android3.0, Android:bottomleftradius and Android: Bottomrightradius is the opposite, that is, I was just set to the left, but a diagonal display, because I did not learn, but in the internet for a long time did not find a solution, after knowing the Android loading layout file method, we know this solution , in this record, is in our res set up a directory called DRAWABLE-V12, this file di

The debugging information is as follows: [10:08:37-apidemos] re-installation failed due to different application signatures. [10:08:37-apidemos] You must perform a full uninstall of the application. Warning: This will remove the Application Data! [10:08:37-apidemos] Please execute 'adb uninstall com. example. Android. APIs 'in a shell. [10:08:37-apidemos] Launch canceled! Check the following informat