Android uses button buttons to change font size, font color, background color code

Implementation logic: By traversing the view, determine if the view is TextView, edittext, and button type, and if so, modify it. The code is as follows:1, XML layout file, FileName: Test4.xml, the contents are as follows: The code is

[Tl-ipc20/tl-ipc22] Android version of the mobile app set up a wireless IPC method

Application of wireless Network Camera Tp-link Infrared Wireless Network Camera specifically for family housing and other space more compact scene design, network structure is simple and practical, 1 routers + 1 Cameras is a complete set

Analyzing the deadlock ANR instance process through the Android trace file _android

For people engaged in Android development, encountering ANR (application not responding) is a more common problem. In general, if a ANR occurs, the system will generate the trace file in the/data/anr/directory, by analyzing the trace file, you can

Android Security Encryption: Digital signature and digital certificate detailed _android

Android security encryption feature article index Android Secure encryption: Symmetric encryption Android Secure encryption: Asymmetric encryption Android Secure encryption: Message digest Digest Android Security

Android BLE development Android mobile search ibeacon base Station _android

The previous article describes the communication between the Android phone and the BLE terminal, while the most common ble terminal should be the ibeacon base station advocated by Apple. Ibeacon technology based on BLE, it is characterized by the

Connect Android phone debug _android via WiFi (without data cable)

Android development can not be without the real machine debugging, the total use of data line Plug and unplug or not convenient and unstable, in fact, the way to achieve WiFi connection to the Android phone. 1. Of course first to open WiFi, mobile

Android uses Vitamio to build its own universal player (7)--Play Online (download video) _android

Objective This chapter will implement a very useful feature--download online video. Related to multithreading, thread update UI technology, but also need to think about product design, how the new added function better integration into the existing

How to implement Android invoke Web services based on IBM I

Implementing the Android call based on IBM I WEB services As an interoperability technology in the heterogeneous environment of the Internet, Web services are widely used. Because of the cross-language, Cross-platform, and other features of Web

Charm of the foundation of book reviews in android game programming from scratch

ReadAfter a trial of the Chapter "programming for Android games from scratch", I had a deep understanding of the knowledge used in the game development process. This book takes some basic graphics as an example, describe the basic principles of game

Simple traffic map of Android Google Maps (3)

After reading ~~~ The mainactivity is modified only in the original project. The source code is as follows: Import COM. google. android. GMS. maps. cameraupdatefactory; import COM. google. android. GMS. maps. googleMap; import COM. google. android.

Speech recognition on Android, a simple example of Google-based speech recognition.

Speech recognition is convenient and easy to use on Android. However, there is a premise that Google's voice search tool must be installed on Android machines in advance. Speech recognition technology is added in Android sdk1.5 (recognizerintent).

Android scenario development-control GPS/WiFi/Bluetooth/flight mode/control mute/volume/Vibration

Http://www.cnblogs.com/wii/archive/2012/03/18/2404947.html Official APIs are provided for GPS control on Android. Settings. Secure. setlocationproviderenabled (getcontentresolver (), locationmanager. gps_provider, true ); However, when we call the

Android: New Look, new purchase flow in Google Play

New Look, new purchase flow in Google Play Http://android-developers.blogspot.com/2013_04_01_archive.html Posted by purnima kochikar, director of business development, Games & Applications Today we announced thatNew version of the Google Play Store

Android: how to disable/enable auto sync and background data)

 How to turn off and on auto sync and background data on androidadmin On Jun 23,201 1- 1 comment In this article we will give you a tutorial how to turn off auto sync on Android or Google phone. But before that, we will explain to you about auto

[Material Design visual Design language] UI Component Design (6): separation line, visual Design ui

[Material Design visual Design language] UI Component Design (6): separation line, visual Design ui Author: Guo XiaoxingWeibo: Guo Xiaoxing's Sina WeiboEmail: allenwells@163.comBlog: http://blog.csdn.net/allenwellsGithub:

Android keyboard display and hide, android keyboard hide

Android keyboard display and hide, android keyboard hide I. do not automatically pop up the keyboard: If the EditText control is used, the focus is automatically displayed for the first time, and the keyboard is displayed. If you do not want to

[Android] mobile guard mobile phones enable location for text message instructions, android guard

[Android] mobile guard mobile phones enable location for text message instructions, android guard Location Create a service package Create a GPSService class that inherits the system's Service class Register in the configuration file Override the

Phone number, text message, and contact person for Android development and learning

As a mobile phone, the most important function is the phone number, text message, and contact. So today I want to share with you the API interface for Android phones, text messages, and contacts. 1. Call record acquisition List

Analysis of Micro-transaction psychology of mobile vs PC games

Analysis of Micro-transaction psychology of mobile vs PC games Micro-transaction has become a major strategy for developers looking for extra game profits. The two most popular platforms are obviously the mobile and PC markets. However,

30 high-quality and free Android icons [Android Icon material]

Sometimes you may not like the Default Application icons, instead of some personalized icons. In fact, it is possible for Android users to change the desktop icon. You only need some applications such as LauncherPro, GO Launcher EX, Apex Launcher,

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