Android

Learning a new language, of course, begins with helloworld. Now let's start our journey to helloWorld for android. If you don't talk much about it, simply go to the code. There are not many changes to this program, only the main activity and main.

In android, the interface can be designed in advance in the. xml file, or dynamically generated in the java code. Package snoopy. android; Import android. app. Activity;Import android. OS. Bundle;Import android. view. View;Import android. view. View.

Attributes that can be set in Android text include size, color, password, shadow, hyperlink, and rules omitted when text cannot be displayed.  Android: orientation = "vertical"Android: layout_width = "fill_parent"Android: layout_height =

Handle system configuration changesMany devices can change system configurations during operation, such as screen orientation, keyboard layout, and language. When similar changes occur, the system will restart the running activity (call onDestroy (),

Previously, we introduced Content about Content Provider. Here we will introduce the Content Provider defined by the system and the custom Content Provider in two sections. Here we will introduce how to use the system-defined Content Provider: to

I want to add the subtitle function to MediaPlayer in Android. Below are some notes,Without the support of the server, we just performed a local parsing. If we had resolved all the data from the very beginning, such as hundreds of data records, it

Question about the separation line at the bottom of ListView A problem encountered in the work is that a listView has no split line under the bottom item, and the requirement is that there must be a split line. After a study, we found this strange

Obtain the ringtones and volume of the android mobile phone through a program. Similarly, you can set the ringtone and volume easily! The method for setting the volume is also very simple. AudioManager provides the method:PublicvoidsetStreamVolume

This is almost the end of the project. The manager asked me to solve a problem, that is, after our program is closed, the notification sent by the program has never been cleared on the status bar and needs to be clarified manually,The experience is

Android is installed in the following ways: The first is to install the application by calling the system installer. In this method, the user downloads a. APK package and calls the system installer to install the package. In this method, the system

Before reading the next article, read these three articles:     Android GSM Driver Module (rild) detailed analysis (I) basic architecture and initialization http://www.bkjia.com/kf/201201/116966.html Android GSM Driver Module (rild) Detailed

Android call setting is an application that is used to set content related to simcard, such as network and PIN, which is an AP layer. Here we will select one of the items to read from the source code until the underlying layer, and look at the

When the project submits data to the server in HttpPost mode, Chinese characters on the server display garbled characters. How can this problem be solved? In fact, this problem should be taken into account in the architecture. If it involves

I didn't introduce PreferenceActivity in many books, but I accidentally saw it when I was reading Android Samples. So I will summarize it a little and make it easier to find it later.PerferenceActivity: Well, we can see that the Android system uses

Design principles These design principles are developed and applied by the android user experience team to ensure the best user experience. Application developers should refer to these design principles and apply them to their own creation and

Android features are powerful and the interface is gorgeous, but many layout attributes are harmful to developers. The following article combines a lot of information on the Internet and I have spent one afternoon to develop it and hope it will be

Android: layout_above: Move the control's bottom to the control with the given IDAndroid: layout_below: place the top of the control under the control with the given IDAndroid: layout_toLeftOf align the right edge of the control with the left edge

The CheckBox check button is a special type of button with two statuses, which can be selected or not selected. You can now define the multiple-choice button in the layout file, and then perform event monitoring setOnCheckedChangeListener on each

The spinner is equivalent to the drop-down list box in Html. In the following example, we will learn how to use the spinner.   Attribute:   Attribute name Description Android: prompt This prompt is displayed in the drop-down

If the "No projects are found to import" prompt appears when you import the project, first check whether there are hidden files in the project directory. project, directory structure, and a hidden file. classpath, if there is no solution. Method 1: