Example of how Android gets the file extension and removes the file extension

CopyCodeThe Code is as follows :/* * Get the file extension through Java File Operations * */ Public static string getextensionname (string filename ){ If (filename! = NULL) & (filename. Length ()> 0 )){ Int dot = filename. lastindexof ('.');

Android APK adds code obfuscation for Programs

In SDK 2.3, we can see that a proguard folder is added under android_sdk _ path/tools/. Google places proguard Technology in the android SDK, it can be implemented through normal CompilationCodeConfused. After Version 2.3, no matter which SDK

How to configure and integrate iOS and Android games under macox tutorial

Tutorial:     1. Prepare and configure the development environment: Development Environment: Mac ox 10.7.3 + xcode4.2 + ndk R7 + eclipse Helios Deployment environment: ZTE v880 has gone through the ROM of 2.3.5, And the simulator is API

How to access HTTPS websites that require SSL encryption using client certificates through mobile clients such as Android and iPhone

  When developing a mobile website, we must use the "ssl client certificate" to deploy encrypted websites that are only accessible to specific mobile phones ", Does all mobile phone systems support ssl client certificates well? Let's see how to

Android basics: What is Android?

Android is a software stack for mobile devices that has des an operating system, middleware and key applications. the android SDK provides the tools and APIs necessary to begin developing applications on the Android platform using the Java

[Original · tutorial · serialization] "design mode of Android"-design mode Creation Mode Chapter 2: Factory method mode

description and copyright notice of this tutorial L this document references and uses free images and content on the Internet, and is released in a free and open manner, hoping to contribute to the mobile Internet and the smart phone age! This

Android Translation: Android interface definition language (aidl)

The AIDL (Android Interface Definition Language) IPC Mechanism is object-oriented and lightweight. The interface defined by AIDL can implement IPC communication between the server and the client. On Android, a process cannot access the memory of

Using Vitamio to create your Android universal player (12)-playing network video Buffering

Preface Due to factors such as the speed of the network, buffering is usually required for playing online videos. Generally, you can set the buffer to be increased and the progress bar to be buffered to improve the experience.   StatementYou are

How to Use Android to obtain information such as mobile phone model, system version, and App version

MainActivity is as follows: Copy codeThe Code is as follows: package cn. testgethandsetinfo; Import android. OS. Bundle; Import android. text. TextUtils; Import android. widget. TextView; Import android. app. Activity; Import android. content.

How to obtain the IMEI code in Android

Core code:Imei = (TelephonyManager) getSystemService (TELEPHONY_SERVICE )) . GetDeviceId (); 1. Add PermissionsIn the manifest. xml file, add 2. Code Copy codeThe Code is as follows: package net. sunniwell. app; Import android. app.

JQuery Mobile design Android Address Book (Chapter 1) (1)

This article assumes that you have some preliminary understanding of jQuery Mobile and some basic usage of Android. Structure of this tutorial This series of tutorials are arranged as follows. In the first part, we will introduce the running

Foodily launches Facebook app for recipe sharing

Birthday cake, mustard, noodles, you can allFoodilyFind and share these online recipe IndexesRecipe. Today, the company launched a new Facebook application, making it more of a social tool than just a food browser. FoodilyThe facebook app helps

Corona SDK Game Development Instance (I): create a user interface

Tutorial description: Tool used: Corona SDK Execution difficulty: normal Operation Time: 30 minutes to 60 minutes Step 1: Application Overview With the help of Lua and Corona SDK APIs, we will use pre-prepared image materials to create an

Reveal the secrets of the next-generation operating platform Android OS Platform

The Android OS platform reproduce the entire process of development of a variety of commonly used Android applications and classic Android games. These features not only facilitate the use of the majority of users, the launch of the Android OS

Set APN for android

After android4.0, the system signature is required and the apk is placed under the system/app.     [Html]     [Java]Package com. lenovo. testapn; Import android. app. Activity;Import android. content. ContentResolver;Import android. content.

Android Animation development-Animation Effects

Animation type Android animation consists of four types In XMLAlphaGradient transparency animation effectScaleGradient scaling animation effectTranslateAnimation EffectRotateAnimation effects of screen transfer and Rotation Java

Android NFC development tutorial (2): ApiDemos-& gt; NFC-& gt; ForegoundDi

In this example, refer to the NFC ForegoundDispatch in ApiDemos to introduce the basic steps for compiling Android NFC, because only MifareClassic tags are available at hand, you need to modify the ForegoundDispatch code to detect NFC tags of the

Android webview downloadManager File Download Management

I. Downloadmanager class description: A download management class has been added since Android 2.3. You can find android. app. DownloadManager In the SDK documentation. The download management class can process multiple HTTP download tasks for a

Obtain the UCS2 encoding of SIM card in three formats based on android

Previous work involves the UCS2 encoding of SIM card. We need to encode the characters in 81 format. I have found a lot of information on the Internet and shared it with you based on my own research. This document describes how to obtain the 80, 81,

Study Notes: view the Logon account and password of Google Chrome

Chrome: // settings/passwords   Only one piece of code is required to view the Chrome password. How can we ensure the security of Chrome accounts and passwords?       Http://pcedu.pconline.com.cn/341/3410283.html     First! We use Google's

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