data usage widgets for android

activitymanager view available memory. ActivityManager.MemoryInfo utInfo = new ActivityManager.MemoryInfo(); am.getMemoryInfo(outInfo); Outinfo. availmem is available idle memory.1.2. Android. OS. debug queries memory usage information of a single process, such as PSS, VSS, and USS. MemoryInfo[] memoryInfoArray = am.getProcessMemoryInfo(pids); MemoryInfo pidMemoryInfo=memoryInfoArray[0];pidMemoryInfo.getT

The examples in this article describe the digital formatting usage that Android implements. Share to everyone for your reference, specific as follows: Package formatnumber; Import Java.text.DecimalFormat; public class FormatNumber {public static void main (string[] args) {DecimalFormat df = new DecimalFormat (); Double data = 1234.56789; System.out.println

ClassLoader usage record: "The Road to Android", Android car recorder Software I don't like General talk about those metaphysical principles, or remember those established things. People who rely on memories to make up for thinking are easy to fall into the cloud of people. In the end, they will be trapped by memories, and creativity will eventually die out. I ho

Android Fresco image processing library usage API Original English document 4 (Facebook open-source Android Image Library) This is the third part of the English document:THIRD PARTY LIBRARIES Using Other Network Layers By default, the image pipeline uses the HttpURLConnection networking library bundled with Android.

to the actual layout: Main.xml The final display effect is as shown in figure: More interested readers of Android-related content can view the site: "Summary of Android Control usage", "Android View Summary", "Android operation SQLite Database Skills Summa

Implementation of the cpu usage curve of android !, Android Curve Recently, I made an effect: Add "about mobile phone" in the mobile phone settings to display the cpu usage curve of the current mobile phone! Shows the implementation result: The first item about mobile phones is what I want to achieve! Let's talk about

Usage of SharedPreferences in android development (including source code and running results), android source code In Android Application Development, you often need to save simple types of data similar to configuration information, such as game player credits and whether to

following points : axis with (0,0) bit center, x-axis horizontal right, y-axis horizontal downward all instruction capitalization, uppercase absolute positioning, reference to global coordinate system, lowercase relative positioning, reference to parent container coordinate system directive and space between data can be no Depending on the same instruction appears multiple times you can use only one L The instruction f

) {builder.settitle ("Are you sure you want to delete this message?"). Set OK button Setpositivebutton ("Yes", new Onclicklistener () {@Override public void OnClick (Dialog Interface dialog, int which) {mytextview.settext ("delete succeeded"); } }). Set the Cancel button Setnegativebutton ("No", new Onclicklistener () {@Override public void OnClick (Dialogi Nterface dialog, int which) {Mytextview.settext ("cancel Delete"); } }); Create a dialog bo

Overview and usage of Intent in Android The Intent in Android is a very important and commonly used class. It can be used to start another component in the App or another component in the App, the components mentioned here refer to Activity, Service, and Broadcast. Intent usage Intent has the following important functi

This example describes the interactive core intent usage between Android components. Share to everyone for your reference, specific as follows: Starting from one activity to another can use the StartActivity () method or the Startactivityforresult () method First: Start an activity directly Intent Intent = new Intent (main.this, secondactivity.class); StartActivity (Intent); Second: Start a

Android-based file data storage and android-based Data Storage1. Introduction to file storage data Activity provides the openFileOutput () method to output data to a file. The specific implementation process is the same as saving

event Handling, Setontabchangedlistener Tabhost.setontabchangedlistener (new Ontabchangelistener () {public void O Ntabchanged (String tabid) {Toast toast=toast.maketext (Getapplicationcontext (), now "+tabid+" label, Toast.leng Th_short); Toast.show (); } }); } } Main.xml: More interested readers of Android-related content can view the site: "Summary of Android Control

$ $ANDROID _src/out/host/linux-x86/bin/hprof-conv input.hprof output.hprof D Use the mat tool to look at hprof information Download Mat tool: http://www.eclipse.org/mat/downloads.php Open output.hprof with tools 3 Note: This tool can only display the Java level, but not the C-tier memory footprint information. 4. Samplingprofile (use on Android 2.0 version) 1) function The currently running functio

is similar to the above. build_static_library indicates compiling a static library. 3. Compile the dynamic library template: # Test shared lib Local_path: = $ (call my-DIR) Include $ (clear_vars) Local_src_files: =/ Helloworld. c Local_module: = libtest_shared Target_prelink_modules: = false # Local_c_includes: = # Local_static_libraries: = # Local_shared_libraries: = Include $ (build_shared_library) In general, it is similar to the above. build_shared_library indicates compiling a shared libra

Android Studio introduction and usage summary, androidstudio With the release of android 5.0, android development has entered a brand new era. It is a bit out of date for eclipse to develop android. android studio is used for

Reprinted the multi-thread usage of Android multi-thread processing, large collection of android Handler. post (r) does not actually start a new thread, but the run () method in runnable is not executed, so runnable still runs the UI thread. 1. If it is like this, you can operate the ui, but run is still in the main thread. See that the printed Log thread name is

This example describes the HTTP service usage in Android programming. Share to everyone for your reference, specific as follows: In Android, in addition to using the API under the Java.net package to access the HTTP service, we can do the job in a different way. The Android SDK comes with Apache's httpclient API. The

Android xml/assets/raw resource usage detailsI. Introduction to assets/xml/raw resources 1. assets Resource Directory: Resources stored in the assets Directory represent native resources that cannot be directly accessed by the application. These files are stored on the device and will not be compiled in binary format, the access method is through the file name rather than the resource ID. The application us

The usage of ListView in Android is as follows: ListView is a commonly used control. Each Item in the ListView can be a string or a combination control. First, let's talk about the implementation of ListView: 1. Prepare the data to be displayed in ListView; 2. Use a one-dimensional or multi-dimensional dynamic array to save d