Android's summary of file manipulation code

The code is as follows Copy Code Package cn.youxigu.files;Import cn.youxigu.service.*;Import android.app.Activity;Import Android.os.Bundle;Import Android.widget.Button;Import Android.widget.EditText;Import

Android combines multiple controls to implement custom title bars

Here we use the classic left-right layout, can also be adjusted to the needs of the project, such as the right to add a control, or to the left side of the title can beNote: It is applied to the BUTTONM control in the previous article, you can get a

Examples of layout styles for custom dialog in Android development

On the internet to find a lot of questions about dialog custom style, there are a lot of people write more complex, need to change style or something, or custom dialog make very complex, I finally found a way to achieve.Here is my dialog layout XML

Simple examples of Android game development tutorials

Map we created the next is the protagonist's appearance. In fact, the above describes how to tiledmap and stage combination, the role of the processing is simple. Can inherit the actor class to create the protagonist class, I will steal a lazy,

Android Development CheckBox Custom Picture problem

One, checkbox custom picture problem The results are checked when clicked, but there is no check when the finger is gone. The code is as follows Copy Code android:drawable= "@drawable/checkbox_tishi"/>android:drawable= "

Android spinner realizes three-level linkage program code in provincial urban area

Provincial urban three-level linkage, using the SQLite local database, you need to use the Simplecursoradapter class to cooperate with the Drop-down list spinner implementation. For a combination of spinner and simplecursoradapter, see, Android

Android uses application objects to access public data

When running each application, the Android system creates a application object that stores the public variables associated with the entire application. An Android application generates only one application object, and the Application object is the

Android common layout of the linear layout

The more common layouts in Android are linear layouts (linearlayout), table layouts (tablelayout), relative layouts (relativelayout), and frame layouts (framelayout). A linear layout is one in which the components are arranged in a linear,

Android Gets the native number problem and gets the system version information

1, using the method provided by Telephonymanager, the core code: The code is as follows Copy Code Telephonymanager TM = (Telephonymanager) this.getsystemservice (Telephony_service);String IMEI = Tm.getdeviceid (); Take

Android Development Time Date format internationalization implementation method

DateFormat helps to the format and parse dates for any locale. Your code can be completely independent of the locale conventions for months, days of the week, or even the calendar forma T:lunar vs. Solar. To format a date is Locale, use one of the

Android XmlSerializer generate XML file

Example 1 The code is as follows Copy Code try { File F = new file (Getexternalcachedir (). GetAbsolutePath () + "My.xml");OutputStream outPut = new FileOutputStream (f); XmlSerializer Serializer=xml.newserializer ();

Data storage implementation in Android Sharedpreferences

It provides the Android platform General Long shaping, int shaping, string string type of save, what is it the processing method? Sharedpreferences similar to the previous INI configuration file on a Windows system, but it is divided into multiple

Android dynamic change on Oncreatedialog box value

Using this method, Activity.showdialog () fires Activity.oncreatedialog () to create dialog, which is then displayed to facilitate the unified management of multiple dialog. Note that Activity.oncreatedialog () is not invoked when the same dialog

MD5 and SHA1 encryption examples in Android development

First, let's share the functions of MD5 and SHA1 encryption.public class MD5 {private static String key = "a6u&1$ip[jr/sed]rfvn=o>mz+}lxn*%-glcgd|0";MD5 Encryption Instancepublic static string getMD5 (String str) throws NoSuchAlgorithmException

Introducing the Android Test Tool espress and installation use

Espresso is a new tool, and the API is more accurate relative to other tools. and smaller, simpler and easier to learn. It was originally launched at the 2013 Gtac Convention, with the goal of getting developers to write more concise UI test code

Detailed steps for how to build Android development environment in Windows

The development environment of Windows Installer Android is not simple or complicated, this article wrote to the first time I want to build Android development environment on their Windows Android wave of friends, in order to ensure that everyone

How the Android phone wirelessly connects 360 phone assistants

1. In the computer first installs 360 handset assistant, then opens in the following interface we click "Starts the connection". 2. Then the 360 assistant pops up the Connection Wizard, where we select "Wireless network Connection" as shown in

Email setting diagram of YOGABOOK for Android

When using the built-in App "email" to log on, you need to set up an email address, enable POP3, SMTP, and IMAP services, and use the authorization code to log on (non-email password or QQ logon password ), take "NetEase 163" mailbox as an example: 1

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