android 4 4 kitkat tablet manual

="The index column that shrinks the two or three column. Because the subscript starts at column No. 0. When a Lietaikuan (too much content) is not extruded, the columns must be separated by commas, and all columns can be shrunk by means of *.A column can represent both contraction and stretching."Android:stretchcolumns="Stretches the index column of the two or three column. Because the subscript starts at column No. 0. The index column starting at 0. To fill the rest of the extra empty space, th

In this example, we will focus on using the SQLite database access method provided by the Android platform, including read/write access.1. Follow the following configuration and the method described in step-by-step instance 1 to create the base of the entire project:Project name: examplefourPlatform: android2.0;Application name: examplefourPackage name: COM. ExampleActivity: mainactivityResource file: Main. xmlThe attributes of a textview are as follo

Android image download framework UniversialImageLoader memory cache extension (4) The expansion of the memory cache is very important. Whether it is the data structure or the specific implementation, it is worth our taste. Let's taste the taste here. The memory cache extension mainly involves the following types: FIFOLimitedMemoryCache, FuzzyKeyMemoryCache, LargestLimitedMemoryCache, LimitedAgeMemoryCache,

Switching animation of shared view elements during Activity switching in Android (4.x compatibility solution)Solution 1: PreLollipopTransition First, add the library dependency in the build. gradle configuration file. dependencies { compile 'com.kogitune:pre-lollipop-activity-transition:1.0.0'} The first is to start the Activity findViewById(R.id.imageView).setOnClickListener(new View.OnClickListener()

Android image download framework UniversialImageLoader memory cache extension (4 ), The expansion of the memory cache is very important. Whether it is the data structure or the specific implementation, it is worth our taste. Let's taste the taste here. The memory cache extension mainly involves the following types: FIFOLimitedMemoryCache, FuzzyKeyMemoryCache, LargestLimitedMemoryCache, LimitedAgeMemoryCache

Android custom View (4) ------ one-click animation cleanup1. Preface: I also learned some basic custom view methods by referring to some custom view examples of others. Today, I have made a one-click animation based on some of my own understandings. In those years, I used several images and implemented them using Frame anination. However, this method is not flexible and occupies resources. below, I will use

Chapter 4-android MediaCodec: Determine whether hard decoding code is supported.-androidmediacodec Public boolean issuppmedimediacodecharddecoder () {boolean isHardcode = false; // read the system configuration File/system/etc/media_codecc.xml file File = new File ("/system/etc/media_codecs.xml "); inputStream inFile = null; try {in = new FileInputStream (file);} catch (Exception e) {// TODO: handle excepti

Android (Lollipop/5.0) Material Design (4) create a list and a card In your application, create complex lists and card and material design styles, and you can use RecyclerView and CardView parts. The create list RecyclerView component is a more advanced and flexible version list view. This widget is a very efficient container. With Limited views, you can scroll to display large datasets. Elements of the Re

Android source code parsing (4) --) IntentService What is IntentService? In short, IntentService is a Service that contains its own message loops. First, it is a service. Therefore, services have its own characteristics and some of its own attributes, it encapsulates a message queue and a HandlerThread. In its specific abstract method, the onHandleIntent method runs in its message queue thread, let's take a

The four ways Android boots are standard,singletop,singletask,singleinstence, respectively.Standard is the most common way to start an activity and is the default way to start. When you start an activity, he goes to the top of the stack at the back of the stack. The system does not control whether the stack has the same activity, in the same way as after-in first-out.Singletop mode is when the activity starts, the system first determines whether the t