android multi window mode

Reproduced, thanks http://www.cnblogs.com/plokmju/p/android_handler.htmlObjectiveThe Android messaging mechanism is another form of "event handling," a mechanism designed to solve multi-threaded problems in Android applications, where activity-initiated threads are not allowed to access the UI components in the activity. This causes the newly started thread to fa

Http://515632.blog.51cto.com/505632/714705 In addition to the startup mode, the flags of intent and other attributes defined by activity in manifest also affect activity behavior. First, we must understand the following concepts. I. task: the task mentioned here is different from the task in the Android system. The latter prefers multi-process and

Some time ago the company some colleagues in the discussion of the singleton mode (I am the most slag of one, are not plugged in the mouth t__t), this mode uses the frequency is very high, may be many people most familiar with the design pattern, of course, the singleton mode is one of the simplest design patterns, simple to simple, but in the actual use of some

activityIn Android's multi-activity development, jumps between activity may need to be in a variety of ways, sometimes in a normal way to generate a new instance, sometimes to jump to an activity instance instead of generating a large number of repetitive activity. The load mode is the decision to start a jump to an activity instance in the same way.In Android,

manages the common resources of multiple concurrent threads, improving the efficiency of multithreading. So threadpoolexecutor is more suitable for the execution of a group of tasks. Executors uses the Factory mode to encapsulate the Threadpoolexecutor, which is more convenient to use.Executors provides four ways to create Executorservice, with the following scenarios:1. Executors.newCachedThreadPool() 创建一个定长的线程池，每提交一个任务就创建一个线程，直到达到池的最大长度，这时线程池会保持长度

. Through debugging we can see the source of WAP page, so that the positioning of elements. So how does this tool work? First you have to have a PC with a Chrome browser on it, and an Android phone with a Chrome mobile browser installed on it. Connect your phone to your PC via USB cable and turn on the USB debug mode (because each machine is different, so the way to turn on USB

The singleton mode can be very simple, all it takes is one class to complete (see this chapter poor UML diagram). However, if the "number of objects created and when to create" the two points, the singleton pattern can be quite complex, more complex than the first five modes combined, for example, a DCL double lock detection (doubleCheckedlocking), involving multiple classloader (ClassLoader), involves a cross-JVM (cluster, remote EJB, etc.), when the

operation will be error-able to access the UI component in the child thread, the UI component's properties must be accessed in the UI thread 34 Use post to modify the Text property of the UI component Tvmessage Handler.post (new Runnable () { @Override37 public void Run () {38 Tvmessage.settext ("Use Handler.post to send a piece of execution to the message queue in a worker thread, executed in the main thread.") ");

Best practices of observer mode on android In the previous article, I introduced the definition and some basic concepts of the observer mode. The observer mode is widely used in android development, such as monitoring and broadcasting of

Summary of commonly used ADB directives:1. Device. apk fileThen: If it is only a simulator.>ADB instal/hello.apkIf there are multiple simulators. such as: need to develop the equipment on which simulator.Application: >adb Devic command to check the title of the simulator when workingThen: >adb-semulator-5556 instal/hello.apk2. Check Status>ADB get-stateOfflin offline) (bootload) Devic in operation).>ADB Get-serialno Get the serial number of the emulator3. Removing an application>adbuninstal/hell

andMODE_WORLD_WRITEABLETo control permissions. The bitMODE_MULTI_PROCESSCan also be used if multiple processes are mutating the same sharedpreferences file.MODE_MULTI_PROCESSIs always on in apps targetting gingerbread (Android 2.3) and below, and off by default in later versions. Below isMODE_MULTI_PROCESSDescription: Sharedpreference loading flag: When set, the file on disk will be checked for modification even if the shared preferences instance

Android source code: ListView adapter ModeMode definition The adapter mode converts an interface of a class into another interface that the client expects, so that the two classes that cannot work together due to interface mismatch can work together.Use Cases Using Power interfaces as an example, the power supply of laptops generally accepts 5 V voltage, but the voltage of wires in our daily life is general

Configure ADT in myeclipse 9.1 (configure the android development environment in link mode) Android SDK Installation Android SDK 4.0.3 Development Environment configuration and running Installing ADT in eclipse is simple. You can directly decompress the downloaded ADT file and overwrite the features and plugins dire

structure, simplifies the high-level module code. Increased node free expansion. Using the combination mode, if you want to add a branch node or leaf node is very simple, as long as the parent node to find it can be, very easy to expand, in line with the "open-closing principle." One of the most widely used models. Applications in the maintenance and presentation part-the overall relationship of the scene, such as the Tree menu, folder management a

adhesive interface, the original can not collaborate on the compatibility of the class, and do not have to modify the original two module code, in line with the open and closed principle.PS: With the technology of interest in the same shoe plus group 5,446,459,721 ExchangeTotal catalog of design patternsJava/android design mode Learning Notes directoryfeaturesThe adapter

Cancel the title bar in full screen mode in Android, and set notitlebar in tabhost. The default title bar of Android is relatively difficult to control. You need to remove the custom title bar.Remove the title bar:First: this is also a common method for getting started.Requestwindowfeature (window. feature_no_title);

In multi-activity development, activity jumps between applications or reusable activities with other applications. You may want to jump to an existing activity instance instead of generating a large number of duplicate activities. This requires configuring a specific loading mode for the activity, rather than using the default loading mode. Loading

the activity that was run at the start of the task). When all activity is removed from the fallback stack,The task is no longer there.(c), Activity start mode:Every interface in Android is an activity, and switching interface operations is actually an instantiation of multiple different activity.The startup mode of activity in Android determines how the activity

The example of this article for everyone to share the Android app implementation of multi-language switching function for your reference, the specific content as follows 1. Add multiple language filesadding string.xml files in different languages under different value folders (such as value, Value-en, VALUES-ZH-RTW folders), our project adds three languages in English, Simplified Chinese, and traditional C