Android

I can resolve json data in two formats; One is normal, and the other is in the form of an array;   Common form:The json data format returned by the server is as follows: {"Userbean": {"Uid": "100196", "Showname": "\ u75af \ u72c2 \ u7684 \ u7334 \ u5

Mobile Internet development is unlikely to be avoided. Last week, for the purpose of the project, I took my arm and started to write the android program. Fortunately, I had a java Foundation and started writing a few small programs, mainly about

Lock Screen Settings:1. Initial value 60000 2. database/data/com. android. providers. settings/databases/settings. dbSystem Table screen_off_timeout.3. enable the lock screen at

Retrieve the Status Bar Height 1. Traditional Method: Sometimes the value is 0. solution 2:  CodeRect frame = new Rect ();GetWindow (). getDecorView (). getWindowVisibleDisplayFrame (frame );Int statusBarHeight = frame. top;  II. The value may be 0

Main involved classes: MediaPlayer(1) When a MediaPlayer object is created or the reset () method is called, it is idle and ended after the release () method is called.1. After a MediaPlayer object calls the reset () method, calling other methods

The openConnection method of the URL returns a URLConnection, which indicates the communication connection between the application and the URL. The program can send a request to the URL through its instance to read the resources referenced by the

Package = "com. example. android. apis"> The android: name attribute of the activity component is abbreviated as a class name. but why android: anem = "ApiDemos" in instead of android: anem = ". what about ApiDemos? What about the android: name

// Process bt_search.setOnClickListener (new OnClickListener () {public void onClick (View v) {// TODO Auto-generated method stub String strSearch = ed_input.getText () in the button-clicking event (). toString (); SQLiteDatabase db = VSmsDBUtil.

Adding a desktop shortcut is very simple. You only need to perform three steps: 1. Create an Intent for adding a shortcut. The Intent Action is com. android. launcher. action. INSTALL_SHORTCUT. 2. You can add the Extra attribute to the Intent to set

For example: I receive a text message is a link: http://www.qq.com/a/ B ?, When I click here, I want to achieve the following scenario: Click -----. There are two options: this application is available on the mobile phone and jump to the application;

MainActivity is as follows: [Java]Package cn. testchangevar;Import android. OS. Bundle;Import android. view. View;Import android. view. View. OnClickListener;Import android. widget. Button;Import android. app. Activity;/*** Demo description:*

Package cn. test; import android. OS. bundle; import android. app. activity;/*** Demo Description: * in the resource file Strings. use a placeholder * in a string in xml and replace it with */public class MainActivity extends Activity {@ Override

  This article describes the implementation of the list selection box. Shows the program running effect:   The main. xml content of the main layout file is as follows:   the Spinner tag specifies the list selection box, the content of

Package com. example. wifitest; Import java. util. list; import android. content. context; import android.net. wifi. scanResult; import android.net. wifi. wifiConfiguration; import android.net. wifi. wifiInfo; import android.net. wifi. wifiManager;

Add Add the theme attribute to the activity.   1. Use the transparent effect of the android SystemJava codeAndroid: background = "@ android: color/transparent" For example, set buttonJava code Android: text = "@ + id/Button01" Android: id = "@ +

1. Shutting Down and charging is actually a fast way to enter adb shell!   2. When the mobile phone is shut down, the USB is inserted, and the mobile phone enters the shutdown and charging mode. How does this mode work? The analysis here is as

Recently, when I was reading some android audio code, I had a new idea about getMinBufferSize, and the previous Code finally got rid of it.I would also like to thank my brother ldh_123456 for his reply and help me understand this.The detailed call

No matter how careful you are, the program will always go wrong. The following method is a global exception capture method! Hope to help you! 1. You need to call it in applicaion. The Code is as follows: CrashHandler crashHandler = CrashHandler.

Menus in Android are divided into OptionMenu and Context Menu ). You can create a menu by using a menu resource file. Menu resource files are usually stored in the res \ menu directory. This directory does not exist by default. We need to create

Android debugging information can be viewed based on DDMS. The Logcat log outputs all debugging information. To conveniently find the required printing information, you can add a filter after logcat. For example, if you want to view system. out.