how to reduce data usage on android

Detailed usage of RadioGroup, RadioButton, Spinner, and EditText in android (including examples and source code) Today, the commonly used controls such as RadioGroup, RadioButton, Spinner, and EditText in android are used in the project. Here, we will introduce their usage and hope to help our friends in need. 1. Use

(r.id.tvtitletoast); Title.settext ("Attention"); TextView Text = (TextView) Layout.findviewbyid (r.id.tvtexttoast); Text.settext ("Fully customizable toast"); Toast = new Toast (Getapplicationcontext ()); Toast.setgravity (Gravity.right | Gravity.top, 12, 40); Toast.setduration (Toast.length_long); Toast.setview (layout); Toast.show (); Break Case R.id.btnruntoastfromotherthread:new Thread (new Runnable () {public void run () {showto

Android interview, IntentService principle and usage, androidintent In Android development, we may encounter such a business requirement. A task is divided into several subtasks, which are executed in sequence. After all the subtasks are executed, this task is successful. This can be achieved by using several sub-threads for sequential execution, but each thread

This example describes the usage of resource files in Android. Share to everyone for your reference, specific as follows: Use of resource files between XML files Reference format: Attribute= "@[packagename:]resourcetype/resourceidentifier" Example There are Strings.xml, Color.xml, dimen.xml files, using the parameters in them Ii. resources for using the system Use

bitmap data are stored in the underlying memory (native memory) before the Android 3.0 (API level 11), and they are not released when they are reached, which can causeThe program exceeded the memory limit and crashed. When using LruCache, you need to consider the following factors to select an appropriate number of cache parameters: 1. How much memory is available in the program2. How many pictures are d

Reprinted please indicate the source: http://blog.csdn.net/guolin_blog/article/details/174820951. Volley Introduction We usually use network technology when developing Android applications. In most cases, applications use the HTTP protocol to send and receive network data. The Android system mainly provides two methods for HTTP Communication: HttpURLConnection an

data, such as hundreds, consumes a lot of system resourcesWorkaround: Reduce View creation times1, determine whether Convertview has been created, if created directly using the data binding@override Public View GetView (int position, view Convertview, ViewGroup parent) { ifnull) { null); return}This reduces the number of views created and imp

Android powermanager and powermanager. wakelock usage analysis a previous Community PDA project needs to keep the screen always bright when collecting user coordinates. In the face of things not involved, the network is the best learning tool, find the relevant information and find that powermanager can be used. wakelock is used to implement the required functions. The following text is reprinted from a blo

requestcode, int resultcode, Intent data) { Super.onactivityresult (Requestcode, ResultCode, data); if (Requestcode = = 0 ResultCode = = ACTIVITY.RESULT_OK) { Bundle Bundle = Data.getextras (); gameview.backstring = bundle.getstring ("AAA"); Toast.maketext (This, backstring, Toast.length_short). Show (); } For more information on Android

Summary of special android user Notification usage-Notification source code analysis Android phones that have been used all the time, with so many apps, will also encounter interesting notifications. Here we will summarize two types of notifications and Icon numbers, some will be studied later. Also, I want to promote it. I just created a Q group named 544645972.

difference between getBaseContext and getApplicationContext? The Context holding the Activity is equivalent to holding the Context, and the AppliactionContex holding only has this 2. Where does Context in the view come from? Example: new TextView (Context ); Generally, the current Activity or Activity. getBaseContext () is input in an Activity, so View. getContext () is actually a reference of the current Activity. In common scenarios, the Adapter usually passes Context through the constructor

detectable problems . Penaltylog () . Build ()); Strictmode.setvmpolicy (New StrictMode.VmPolicy.Builder () . Detectleakedsqlliteobjects () . Detectleakedclosableobjects (). Penaltylog (). Penaltydeath (). Build ()); If it's the operating system under 4.0, of course not. The following is the successful upload effect chart: The method of reading the data is presented in the next "read a chapter" on the way

else would I write this article? Note: Ucrop must use version 23 and above Sdk,gradle plug-in version must be 2.0.0 and above, Gradle version must be 2.10 and above, appcompat-v7 version must be 23.0 and above If the above are satisfied, it should not be an error. As for why the SDK is more than 23, because Ucrop uses the new features of Android 6.0: vectordrawable3 Usage of Ucrop(1) Add ucro

In Android development, listview is a commonly used component that displays specific content in the form of a list and can be automatically displayed based on the length of data. Today, I made a major understanding of the usage of listview, The following articles are for reference: 1. Data-only binding, no need to res

This article analyzes the usage of Baseadapter in Android. Share to everyone for your reference, specific as follows: Recently to do a project, the project used Listview,listview most important is binding data, this data is provided by adapter, here I rewrite the Baseadapter class to implement their own Menuadapter co

American and English versions in TTS (which shows that Google's style of doing things is really meticulous and The other reason why Google does not join the Chinese language is that there are too many dialects in Chinese. To support such a large amount of data, the TTS engine takes a preload approach to resource optimization. The corresponding resource is extracted from the library and loaded into the current system, based on a series of parameter i

Android-ArrayAdapter usage example (reproduced), androidadapter Recently, many Android Developers wrote that the difference between ArrayAdapter and BaseAdapter is not very clear. Here, Android123 briefly describes their relationship and usage. ArrayAdapter is derived from BaseAdapter and has all the functions of BaseA

The android-async-http open-source project can be used to easily obtain network data or send data to servers. The introduction to the android-async-http open-source project comes from the official website: bytes 1.1Overview(Overview) An asynchronous callback-based Http client for