android 4 2 emoji

After several days, I finally spent some time writing my blog. I will go on to the previous article to introduce how to compile the JNI method corresponding to the Hal layer (Hardware Abstraction Layer. All mentioned here are compiled in the ICS source code. 1. Define the JNI layer interface Go to the android-4.0.4_r1.2/hardware/libhardware/include/hardware directory and create the TTT. h file with the following content: # Ifndefandroid_ttt_interface_

IntroductionTo prepare for the following examples, this and the next few will describe the principles and terminology of Android applications, something that developers of Android must understand and understand deeply. The topics in this article are as follows: 1. Application Basics 2. Application Components 2.1. Activities (Activities)

[Android Development] example 4-guess the box in which the gem is stored, android4-A mini game that implements "Guess which box the gem is placed in": There are three boxes in the main interface. clicking any box will open the box and show whether there are any gems in it, in addition, the box that has not been clicked is set to semi-transparent. The box that has been clicked is displayed normally, and the

54 in Java3.2.3 surface view 553.2.4 GL thread 583.2.5 cube Renderer 613.2.6 cube type. 643.3 native OpenGL 663.3.1 main activity 683.3.2 Native Interface Class 703.3.3 modify the original example 713.3.4 native cube Renderer 723.3.5 native cube 783.3.6 compiling and running example 793.4 use OpenGL ES hybrid mode to zoom in the video buffer. 823.4.1 why use hybrid scaling 833.4.2 initialize surface853.4.3 draw to texture 863.4.4 what will happen when the image size is not the power of

Enter a phone number in the text box and click "call. (The correctness of the number is not verified in the small example) 1. Create an android project named "Phone Dialer. Because the new version of ADT supports Chinese projects, you can use Chinese directly. The basic project directory is as follows: 2. Develop the dialing interface. Open the res/layout/activity_main.xml file of the project, and a visual

Android scroroller (4)-implement the layout of rebound after pulling, androidscroroller MainActivity is as follows: Package cc. testscroller2; import android. OS. bundle; import android. app. activity;/*** Demo Description: * The layout that can be pulled and then rebounded. * similar to the pull-down refresh. ** refe

(); progressBar.setProgress(currentprogress+stepProgress); Thread.sleep(1000); } } catch(InterruptedException e) { e.printStackTrace(); } } }); thread.start()

Android study note 21. Use ContentProvider for data sharing (4). ContentProvider and androidprovider of the Operating System (contact)The Android system provides a large number of contentproviders, such as contact information and multimedia information of the system. Our developed applications mainly call the query () provided by the system's ContentProvider thro

Android security mechanism (2) Android Permission control mechanism, androidpermission1. Overview Android is a permission separation system. This is to use the existing permission management mechanism in Linux to assign different uid and gid to each Application, this allows private data and access between different app

Android Interview Questions and answers (2), android Questions and answers1. Activity-related. Launchmode, OnSaveInstnceState, and lifecycle. Four default launchmodes and OnNewIntent callbacks. OnNewIntent-> OnRestart-> OnStart-> onResume OnActivity-> OnResume. OnNewIntent, OnActivityResult? OnNewIntent launchmode with singletask or singleInstance. But if set the

android. app. Activity;Import android. OS. Bundle; public class MainHelloWorld extends Activity {/** Called when the activity is first created .*/@ OverridePublic void onCreate (Bundle savedInstanceState ){Super. onCreate (savedInstanceState );SetContentView (R. layout. main );}}As you can see, MainHelloWorld is a subclass of Activity, and the onCreate method must be rewritten for the subclass.The setConte

generator, extracting documents from source notes. Jdb:Debugger, debug Debugging tool. Java: Run the compiled java program. 2. Configure the variable environment for JDK on Windows :When the system is required to start an application, the system will first look in the current directory, if not the path specified in the system variable path to find. We said earlier that the jdk contains a bunch of development tools that are located in the JDK 's inst

Android IPC Mechanism (4) use ContentProvider for inter-process communication ContentProvider provides a unified interface for data storage and retrieval. It can share data between different applications and is suitable for inter-process communication. The underlying implementation of ContentProvider is also a Binder, but it is much easier to use than AIDL. The system also made a lot of contentproviders, su

Fragment can be used in Android 1.6 (API level 4) and later systems. To ensure that the new version of APIs is not used on the old version of the system, the following import statement is required: import android.support.v4.app.Fragment;import android.support.v4.app.FragmentManager; At the same time, you should merge the above package into the libs folder under the libs project, and then add in the project

Android multithreading analysis 4: Implementation of MessageQueue, Android multithreading analysis 4: Implementation of MessageQueueLuo chaohui (http://www.cnblogs.com/kesalin/) CC license, reprinted please indicate the source In the previous two articles, "Android multi-Thr

Android fragmentation knowledge concentration (2): Android knowledge concentration 1. Obtain the height of the title bar. Rect frame = new Rect();getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);int statusBarHeight = frame.top;int contentTop = getWindow().findViewById(Window.ID_ANDROID_CONTENT).getTop();int titleBarHeight = contentTop - statusBarHe

Setting up the android environment -- to do things well, you must first sharpen the tool 2. android must first sharpen the tool Two days ago drums android, set up the environment, do not want to trouble on the use of the adt-bundle-windows-x86-20140702. rar, a simulator wow, too good. If you go out and turn around, th

Android 4: getting started with game programming Author: chszs, reprinted with note. Blog homepage: http://blog.csdn.net/chszs For programmers, game programming is not an easy task. Many people have thought about or developed a game, but it is easy to develop a game, so many developers have put this idea out of life. More and more people are learning about Android