android developer profile summary

Because the H5 page in the mobile side of the compatibility and extensibility of the advantages, but also for the application of the H5 page embedded in the app's flexibility has greatly improved (such as activities, game updates, etc.), app development inevitably need to load some H5 page, but the Android client page content of the typesetting, collation, Interactions, and so on, may cause unexpected problems. This article will be on the

BUILD FAILED/home/swtf/android/vlc-android/build.xml:91:cannot Find/home/swtf/android-studio/sdk/tools/ant/build.xml Imported From/home/swtf/android/vlc-android/build.xmlTotal Time:3 secondsMake: * * [vlc-android/bin/vlc-release-u

Summary of some less commonly used XML file attributes in AndroidPreface Some attributes that may not be frequently used in recent projects are used in XML, which may involve AndroidManifest. xml, Layout file Layout, or specific controls!AndroidManifest. xml ①Add tags in the AndroidManifest. xml file ,Xxx. xxx. xxx is the third-party library package name. If multiple libraries exist, separate them with commas.In this way, the minimum version limit c

　Long time not updated, this morning saw last May left Huayang, wrote a summary report, very feeling, share, also hope that the former company you can become more and more good, to be a worldwide company.May 29, 2014 10:40Author:forrestjr [email protected] Thinking about the industry:Android system free, free application resources, application Ui/lunch, control and other human-machine interaction interactive development easy customization, so

system-level limitation on applications by Android. As an application-layer developer, there is no way to completely eliminate this restriction. However, you can use some reasonable means to avoid this problem. The following are some common methods I have summarized: (1) cache images to the memory and use soft references to cache the images to the memory, instead of loading the images to the memory every t

PrefaceIm communication in the development of the Internet has now been the code of the world's people know the technology, especially in the rapid development of mobile Internet in the era of the development of this technology is also more fiery, in which the veteran representative has QQ and MSN, and the recent rise of the new, silent, easy to believe, The use of IM technology is the application of a dazzling variety of applications. I am an Android

started state, its life cycle is independent of the component that started it and can run indefinitely in the background, even if the component that started the service has been destroyed. Therefore, the service needs to be stopped by calling the Stopself () method after completing the task, or by another component calling the StopService () method.(b) using the Bindservice () method to enable the service, the caller and the service are bound together, and once the caller exits, the service ter

download speed is slow, you can also select a domestic mirror, such as: (http://mirrors.neusoft.edu.cn/android/repository/)3,1 After you install the farm, you need to add environment variables//编辑文件 ~/.bashrc 或者 /etc/profile//在文件尾部添加以下三句话 export ANDROID_SDK=/path/to/android-sdk export ANDROID_NDK=/path/to/android-n

Why should I sign it? There are so many people who are developing android that it is entirely possible that the name of the class and the name of the package will be the same. A signature is a distinguishing act at this time. Because the developer may confuse the replacement of the installed program by using the same package name, the signature can guarantee a considerable name, but the package with diffe

Http://www.cnblogs.com/lyp3314/archive/2011/11/10/2244971.htmlI. What IS activity　Activity is a user interface program, in principle it provides the user with an interactive interface function. It is the basic functional unit of an Android application. The Activity itself has no interface. So the activity class creates a window where the developer can put the UI on the activity-created window via the Setcon

specific content you want to print.Now rerun the project, click the little green arrow in the toolbar, or press SHIFT+F10. After the program runs, the comrades who use the simulator may already be able to see the logs, such asThe use of the real machine comrades, may see or empty logcat. Need to do such a thing, the menu bar tools→android→enable ADB integration put this hook on and then run again.Should I see the log this time? See if we can find the

I. What IS activity　Activity is a user interface program, in principle it provides the user with an interactive interface function. It is the basic functional unit of an Android application. The Activity itself has no interface. So the activity class creates a window where the developer can put the UI on the activity-created window via the Setcontentview (View) interface, and when the activity points to a f

state, its life cycle is independent of the component that started it and can run indefinitely in the background, even if the component that started the service has been destroyed. Therefore, the service needs to be stopped by calling the Stopself () method after completing the task, or by another component calling the StopService () method.(b) using the Bindservice () method to enable the service, the caller and the service are bound together, and once the caller exits, the service terminates,

Android Four components (detailed summary)-ican87 's Column-Blog channel-csdn.net Android Four components are activity,service,content provider,broadcastReceiver. First,Android Four components of the detailed 1.activity (1) An Activity is usually a separate screen (window). (2) communication betweenActivity

state, its life cycle is independent of the component that started it and can run indefinitely in the background, even if the component that started the service has been destroyed. Therefore, the service needs to be stopped by calling the Stopself () method after completing the task, or by another component calling the StopService () method. (b) using the Bindservice () method to enable the service, the caller and the service are bound together, and once the caller exits, the service terminates

has 9 separate function modules, is a refresher on the basics of Android that was previously learned, which containsMany of the operations of the Android system itself and some scattered knowledge points, this time gradually became familiar with the best learning resources for an Android developer-

not show the activity that the user has just left (the root of the previous taskActivity). Instead, the topmost activity in the current task's stack pops up, and the last activity in the same task is displayed.Activity stack: Advanced post-out rulesThe Android system is a multitasking (multi-task) operating system that allows you to listen to music on your phone while performing several other programs. With each application, it consumes more system m

," +Key_definition + "TEXT);" ; dictionaryopenhelper ( context context ) { Super ( context , database_name , Null , database_version ); } @Override public void onCreate ( sqlitedatabase db ) { db execsql ( dictionary_table_create ); } } Then we can get an SQLiteOpenHelper instance of the above subclass to start manipulating the database. We can call getReadableDatabase() and Getwritabledatabase () methods separately to read a

the first time did notName is brought back, so it's best to make a non-null judgment when getting the name Stoplescan (Lescancallback)Stop scanning > Using the system default to turn on the Bluetooth dialog box ifnull || !mBluetoothAdapter.isEnabled()) { new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);}Bluetoothgatt about the Android Bluetooth service class Generic

using Ali hundred Chuan Yun Wang. will also continue to improve the construction of the project structure. Full Blog update, GitHub project maintenance.Introduction:The "about a ball" app is an Android-based social app platform for ball games that registers "about a ball" and you can communicate with your contacts. You can also find nearby people who like to play ball, fill in their own information (such as: Choose your favorite ball sports, play whi