Android

A resource object is a simple and unique application.ProgramThe name of an integer associated with the resource, such as a bitmap, layout file, or string. Each resource is defined in the GEN/R. Java file of your project. You can use the object name

This article translated from: http://developer.android.com/guide/topics/connectivity/nfc/nfc.html This article describes the basic tasks you can perform in Android. It explains how to use the ndef Message format to send and receive NFC data, android

This article translated from: http://developer.android.com/guide/topics/ui/layout/linear.html Linearlayout is a view group. All the child views in the group are arranged in the same direction, vertical or horizontal. You can use the Android:

This article translated from: http://developer.android.com/training/basics/fragments/support-lib.html The android support Class Library provides a jar file with an API class library. In this way, when your application runs on an earlier Android

Use the content provider to copy complex data The Content Provider supports copying complex data such as database records or file streams. To copy such data, you need to put the URI of the content on the clipboard. The app that pasted the data

Correctly terminating and restarting your activity is an important process in the activity life cycle. It ensures that your users believe that your application is always active. In several key scenarios, your activity will be terminated and

Select the ime subtype from the notification bar The Android system manages all the child types exposed by IME. The IME subtype is considered as the dependent mode of the ime. In the notification bar, you can select a valid subtype for the current

Use internal memory You can store files directly in the internal memory of the device. By default, files stored in internal storage are private to your applications, and other applications (or other users) cannot access them. When you uninstall your

Provide simulated location data When developing your application, you must test whether the mode of getting user location can work well. The easiest way is to use a real Android device. However, if there is no device, you can still test the location-

This article translated from: http://developer.android.com/training/basics/firstapp/creating-project.html The android project contains all the files that constitute the source code of the android application. The android SDK tool uses a set of

This article translated from: http://developer.android.com/guide/topics/connectivity/nfc/advanced-nfc.html This article introduces some advanced NFC topics, such as a variety of NFC tag technologies, NFC tag compilation, and foreground scheduling.

Work with the device When a user connects a USB device to an Android device, the android system can determine whether your application is interested in the device. If it is a device that your application is interested in, you can establish

Sensor Coordinate System Generally, the sensor framework uses a standard 3-axis coordinate system to express data values. For most sensors, the coordinate system is defined relative to the screen of the device when the device is kept in the default

This article translated from: http://developer.android.com/guide/topics/appwidgets/index.html APP widgets is a small application window that can be embedded into other applications (such as the main screen window) and can accept periodic updates.

This article translated from: http://developer.android.com/training/camera/photobasics.html This section explains how to use the existing photo application to take photos. Suppose you are developing a weather service application. It will combine the

This article translated from: http://developer.android.com/training/camera/cameradirect.html In this article, we will discuss how to use the framework API to directly control camera hardware. Directly controlling cameras such as devices requires

1. Create a helloworld project using eclipse. Shows the creation method: 1. After the project is created, the directory structure is shown in:   Iii. Description of the relationship between the r class and the resource file 1. the static drawable

If your app has huge potential, and users often use your app, such as Twitter clients and SNS plug-ins, you can consider releasing free apps by means of advertising revenue. When talking about banners, you will be familiar with it. google Adsense is

  If you are determined to become an android expert, if you are patient, you will be satisfied ". "Is it easy to do things in the world? For this reason, it is easy for the hard person. If not, it is also difficult for the easy person. Is it easy

While implementing the program functions, if you can make the program interface more beautiful, there is a icing on the cake.First thought:1) the skin, that is, the related resource files, are placed separately in a project, one skin and one