android 4 2 jelly bean

Android 2.x uses the theme 4. x and Android 2.x4.x. Currently, most Android Developers use Android APP 2. x SDK version, to be compatible wi

("asset", "testAsset Resource error:" + t. getMessage ());}} Note that getResource () and getAsset () are both methods under activity, such as activity. getResource (). Resource and configuration changes Resources help localization, including adaptation languages, horizontal/vertical screens, screen sizes, and so on. The default folder described earlier in res can also have conditional adaptation-based folders that store XML files with the same name. These folders have the same ID in R. j

Source: http://www.imooc.com/code/1183Simply put, we can think of variables as a box that can store items such as keys, cell phones, and drinks in this box, or we can replace them with new items that we want to store when we need them.In Java, we describe variables by three elements: variable type, variable name , and variable value .If we compare a variable to a hotel room, the data to be stored is like the guest who wants to stay, we can arrange it according to Guest's request to stay "standar

Now, And most Android developers use the SDK version of 2.x when they develop the Android app. In order to be compatible with 2.x mobile phone this is understandable, but the most troubling is the 2.x version of the theme is in too ugly, this is the launch of

Fifth, add a new interface code listing 5-1 add a string resource (Strings.xml)Code Listing 5-2 layout component definition for the second activity (Activity_cheat.xml) Code Listing 5-3 overrides OnCreate (...) Method (Cheatactivity.java) Listing 5-4 is declared in the manifest configuration file cheatactivity (androidmanifest.xml) Code Listing 5-5 Add Cheat button (layout/activity_quiz.xml) in default layo