Android

First, create a layout file. The interface is very simple. It is a search box and the following contact list: Copy codeThe Code is as follows: Android: layout_width = "fill_parent" Android: layout_height = "fill_parent" Android: background = "#

Because I changed the ro. sf. LCD _density value from 160 to 120, the font of the entire system became very small. Therefore, you need to increase the font size, and the values of the four options in the settings --> display --> font size must be

More and more mobile phones are equipped with auto-focus shooting functions, which also means these mobile phones can have bar code scanning functions ....... the mobile phone has the bar code scanning function, which can optimize the shopping

Today, our tutorial is extended according to the previous section. If you haven't read it, please click html "target = _ blank> Android advanced tutorial (3) to view Lesson 3, this is easy for you to understand! Defining control attributes in xml

When we back up a mobile phone contact and export it to the SD card, a vcf file is generated in the SD card to save the contact name and mobile phone number.The vCard specification allows the public exchange of Personal Data Interchange PDI

A common ios view has an auto-rollback animation effect when it is pulled down (down) at the top or pulled up (up) at the bottom. The famous CM room and some mobile phone manufacturers are also competing to integrate this effect. Android starts from

Sdcard and SIM card are used in a project. When using sdcard, You need to determine whether the status can be read and written. When using a SIM card, you must determine whether it is readable. For how to do this, see the following two functions: //

The Android platform provides several sensors that can monitor the movement of devices. Two of them are hardware-based (accelerometer and gyroscope). Three sensors can be hardware-based, it can also be software-based (Gravity Sensors, linear

When developing Android applications, you must use Log to monitor and debug program execution. In the previous article on Android Log system driver Logger source code analysis, we analyzed the source code of the driver Logger. in the previous

Before use Google Maps bring great convenience to people's lives. For example, google maps can be used to search for merchant information, view maps, and obtain vehicle routes. The android platform also provides a map package (com. google. android.

Imei = (TelephonyManager) getSystemService (TELEPHONY_SERVICE )). GetDeviceId ();1. Add PermissionsIn the manifest. xml file, add 2. CodeCopy the Code as follows: Package net. sunniwell. app;Import android. app. Activity;Import android. OS.

So far, everyone must be familiar with using Toast to display information to users. Although Toast is easy to use, the notifications displayed by Toast are not permanently stored. It only shows a short period of time on the screen, and then

OpenGL package Once GLSurfaceView and GLSurfaceView. Renderer class are used to create a View container for OpenGL, the following classes can be used to call OpenGL APIs: 1. OpenGL ES 1.0/1.1 API package Android. opengl ------ this package provides

The Background Service is used in the application and the message is pushed in the notification bar. You want to click this message to return to the activity, There are always several identical activities in the result. Even if the returned activity

MainActivity is as follows: Package cc. testlistview; import java. util. arrayList; import com. example. testlistview. r; import com. nostra13.universalimageloader. cache. disc. naming. md5FileNameGenerator; import com. nostra13.universalimageloader.

Original Work, reprinted, please mark: Android: on android, CocosDenshion supports the audio format that corresponds to the format supported by android. media. MediaPlayer. IOS: The formats supported by CocosDenshion in the Cocos2d-x on IOS are

For more information about how to create a configuration, see the preceding section. If (! CCDirector: sharedDirector ()-> getOpenGLView () {CCEGLView * view = & CCEGLView: Export dopenglview (); view-> setFrameSize (w, h ); // set the design

Digital TV-DTV is no longer a new thing for us. On-board electronics, DTV mostly exists independently in the form of modules and is configurable. In the on-board market, the customer's needs are diverse. If DTV is used as the on-board navigation

This is an android app that I used to query the shortest route of Guangzhou Metro. The shortest route transfer query and optimized query results are achieved.There are three difficulties: first, the data structure of the figure is used to build the

In the previous article, we analyzed the connection process between Android applications and SurfaceFlinger services. After the Android Application successfully connects to the SurfaceFlinger service, an anonymous shared memory is required to share