Android

Intent. createChooser (ntent target, CharSequence title) In fact, the first influence on this function is that ApiDemo only has several lines of code in the partition: Intent intent =NewIntent (Intent. ACTION_GET_CONTENT ); Intent. setType ("Audio

Android threads are single-threaded. Therefore, Handler is used to update the UI: Private Handler splashHandler = new Handler (){Public void handleMessage (Message msg ){Switch (msg. what ){Case OVER:ProgressDialog. dismiss

Some time ago, I found an example of Sliding between left and right on the Internet, which is widely used in well-known software such as uc and moji weather. I implemented a layout class on the Internet (for details about the code, see the

  Application of OpenCV in Android Use Android NDK to compile the so Library Introduction Use OpenCV2.3 + NDK R6 to compile the OpenCV Face Detection application in the linuxt System Preparation Android NDK (r5 or later) http://developer.android.com/

  Java code Package cn. anycall;   Import java. util. ArrayList; Import java. util. HashMap; Import java. util. Iterator; Import java. util. List; Import java. util. Map;   Import org. json. JSONArray; Import org. json. JSONException; Import org.

  You can use RingtoneManager to set the type and obtain the Ringtone object. Or its Uri. Ringtone can be played directly. Java code Public Ringtone getDefaultRingtone (int type ){ Return RingtoneManager. getRingtone (mContext, RingtoneManager.

Network applications are mainly used for searching, Browsing webpages, sending emails, and sending mms. For android, some intermediate processes involved in these applications mainly involve webkit, wap, smtp and other protocols, socket

Learning Journey Based on Android NDK ----- jni log PrintingAll programs are called.The following describes how to use the log printing method on the JNI layer, similar to the log printing method provided by the Android sdk.1. Android Application

When I encountered a problem in a working program that needed to completely shut down the application, I found a lot of articles on the network, and each article uses System. exit (0) or android. OS. process. killProcess (android. OS. process. myPid

Work AndroidJNIthreadOSJAVA programWe use the sensor interface to register the SensorListener as follows:**************************************** **********************ApiDemo:MGraphView = new GraphView (this );MSensorManager. registerListener

// Check the network connection status, Monitor network connections (Wi-Vi, GPRS, UMTS, etc .)Public static boolean checkNetWorkStatus (Context context ){Boolean result;ConnectivityManage cm = (ConnectivityManager) context. getSystemService (Context.

Android custom View must inherit the View and override constructors, onDraw, (onMeasure) and other functions.If a custom View requires custom attributes, you must create attrs. xml under values. Define your attributes. Add xmlns: prefix =

The following prompt is often prompted during debugging in eclipse:Application XXX is waiting for the debugger to attach But in general, after a while, it will enter the debugging status. However, sometimes when debugging is performed, the prompt

In Android, when an OnTouch event and OnClick event are called for A View at the same time, the event conflicts. For example, The onClick event intends to execute action A and the OnTouch event.It is intended to execute action B, but in actual use,

[Java]Package com.example.h3c.net; Import java. io. BufferedReader;Import java. io. IOException;Import java. io. InputStreamReader;Import java.net. ConnectException;Import java.net. HttpURLConnection;Import java.net. MalformedURLException;Import

Package com. liu. util; Import android. app. Application;Import android. util. Log;Import android. widget. Toast; Import com. baidu. mapapi. BMapManager;Import com. baidu. mapapi. MKEvent;Import com. baidu. mapapi. MKGeneralListener; Public final

After learning the basic knowledge of the Sqlite database today, I will record what I learned for later reference. The following is my summary of the Sqlite database:1. Sqlite IntroductionSqlite is a lightweight database that is contained in a

AIDL: Android Interface Definition Language, which is the description Language of the Android Interface. The process in the Android system cannot share memory. Therefore, some mechanisms need to be provided for data communication between different

The communication mechanism of the Binder is simple, but some problems have been encountered in the use process. Finally, we have solved the problem. Here we will summarize the problems and share them with you:1. To use Binder for communication,

When you interact with views, views also trigger events. For example, when a user clicks a button, you need to serve the event. Only in this way can you perform some appropriate actions. To do this, you need to register a listener for the view views.