Android

1. Create an Android Project in eclipse.2. Create two folders under the project directory:/Libs/Assets/www3. Enter the Anroid directory in the PhoneGap package that we just downloaded and decompressed. all the resources we need are in this directory.

1. There is a merged contact on the mobile phone.2. Edit the merged contacts.3. The phone screen fades slowly and then enters the editing page. First, find the EditContactActivity. java file under the contacts source package, and then find the

In the modern smart phone field, the Bluetooth function has become very common, so how to develop Bluetooth in the Android Application Development Process, today we will introduce the use of Android Bluetooth Stack bluez. Many developers did not

Add the following code to CallNotifier. java:   public void GetSensorManager(Context context) { sm = (SensorManager) context .getSystemService(Service.SENSOR_SERVICE); sensor =

Application Color Rendering. First, we need to introduce several important classes about color rendering in the Android Api:Shader, BitmapShader, ComposeShader, LinearGradient, RadialGradient, and SweepGradient:Public class Shader extends ObjectThis

After a period of time, half a year has passed, and the second version of the small features have been sorted out and promised to be released. Until today, we finally met you. The second version does not have many first versions, you can also refer

Because AndroidUI threads cannot perform time-consuming operations, such as file downloads and network connections. Therefore, operations must be performed in the new thread. Usually the acquired data needs to be displayed in the current Activity,

1. ContextWrapper. startService StartService is the Context method. Both Activity and Service inherit from ContextWrapper, while ContextWrapper inherits from Context. The onReceive method of BroadcastReceiver has a parameter of the Context type,

Introduction: SQLite built-in functions are limited. Sometimes User-Defined functions (User-Defined Functions) can be added to implement some functions that cannot be implemented or are difficult to implement through common SQL operations; you can

Method 1: Activity. runOnUiThread (Runnable) (Experience: This is the best practice. Wherever you want to refresh the page, Activity. runOnUiThread (new Runnable () {Public void run () {update UI }} );   Method 2: The subthread calls Handler's

Handler usage 1. the Handler class is android. A class in OS, handler. post (Runnable r) can add a thread to the Message Queue; handler. postDelay (Runnable r, long delayTime) adds the thread to the Message Queue after the delay of delayTime

First, create a new project, resume a jave class, and declare the native method in it. The keyword is native. On the surface, this method is implemented in a java language. Secondly, we need to use javac to compile this java file (javac is a

Efficient image display-original Android official website translation Translator: I am in an Android project team that I just created. OutOfMemory has been bothering me for a long time. I accidentally saw a suggestion in Stack Overflow and read this

For details about the Binder design idea and Driver layer implementation, refer to: Android Binder Design and Implementation-design. Here we will give a brief introduction. Each Binder entity of the Service is located in the process type of the

We will encounter interactions with other applications during development. The following is a simple method. The overall usage is similar to "using intent to call the built-in photo app and get the results ". First look at the page:   Let's take a

1. Quick use (ensure that ImageLoader is initialized only once, so that the image cache will be better .) Scenario: Set an image with a specified Uri for ImageView. 1. Export the package and configure the Internet and read/write SD card

Starting from the classic book C Language published by Brian Kernighan and Dennis Ritchie, the use of Hello World code for beginners has become a habit, let's create a similar program for the new world of Windows 8. I suppose you have installed

// // DynamicHeightsViewController. h // DynamicHeights // // Created by Matt Long on 9/22/09. // Copyright Skye Road Systems, Inc. 2009. All rights reserved. // # Import @ Interface DynamicHeightsViewController: UIViewController { IBOutlet

To read and debug the following source code, make sure that your NDK environment is OK;Compiling environment: win7 + Eclipse + ADT + SDK + NDK; use the latest version.Note: The following code is a simple personal jni implementation. [It's a simple

  Android: shape = "rectangle">Android: bottom = "20dp"Android: left = "20dp"Android: right = "20dp"Android: top = "20dp"/>Android: width = "1dip"Android: color = "# ff0"/> Android: endColor = "# 80ff00ff"Android: angle = "45"Android: type =