Mobile Develop

Main features clear internal/external cache, clear database, clear sharedpreference, purge files and clear custom directories/* * File Name: Datacleanmanager.java * Description: The main function is to clear the internal/external cache, clear the

The previous articles recorded the FFmpeg-based multimedia programs under the Android platform. As a comparison, this paper records a video player based on Android's own multimedia frame Opencore.The use of Android's own multimedia framework is much

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Knight's MovementTitle Link: Http://acm.hust.edu.cn/vjudge/contest/view.action?cid=83498#problem/ETopic:Descriptiona Friend of You is doing-on The Traveling Knight problem (TKP)  where you is to find the shortest closed to ur of knight moves that

1. First we need to know that tabactivity is used in conjunction with tabhost, so we naturally have to explain tabhostThe so-called tabhost is a window view container that provides tabs (tab pages).This object consists of two child objects:One is

Recently do the project need to achieve this function, although the sense of implementation is not very complicated, but I still do not want to write, because after all, the video app is very fire, and basically have the function of the bomb screen.

1. First create a control class indirectly or directly inherit the ViewGroup class2. Overloading the Onmeasure method to measure the controlprotected void onmeasure (int widthmeasurespec, int heightmeasurespec)3. Overloading the OnLayout method to

android-async-httpBrief introduction:An asynchronous, callback-based Http Client for Android built on top of ApacheHttpClientlibraries. That is, the Apache HttpClient Open source Framework (the Apache HttpClient Framework does not have to import

View.setvisibility () is often used in the development of UI apps in Android to set the visibility of controls. The function has 3 optional values. They have different meanings:View.visible---> VisibleView.Q=invisible&ie=utf-8&src=se_lighten_f

This article is translated from How to sort Nsarray with custom objects.Every program we develop uses some data, which is typically encapsulated in a custom class. For example a music program may have a song class, a chat program is another friend

Program source code and executable file: Http://files.cnblogs.com/rainboy2010/zbardemo.zipAndroid commonly used barcode Scanning class library has zxing and Zbaro, compared, found that zbar scanning speed faster, can identify more barcode types, the

Android Local Call JSWebview.loadurl ("javascript:showmsg ()");JS calls Android native codeAndroid native codeWebview.getsettings (). setjavascriptenabled (true); Webview.addjavascriptinterface (New Myjsobject (), "Myjsobject");class myjsobject{

Scroll to the top of the judging:getscrolly () = = 0Scroll to the bottom to judge:View Childview = getchildat (0);Childview.getmeasuredheight () Where Getchildat said to get ScrollView's child ViewChildview.getmeasuredheight () indicates the height

Happy numberWrite an algorithm to determine if a number is "happy".A happy number is a number defined by the following process:starting with any positive integer and replace the number by the Sum of the squares of its digits, and repeat the process

Previous precautions and TipsSome time ago the company to do an Android app, but also to adapt to the pad and mobile phone. At first I thought it was impossible to achieve, because the app we saw on the market was two versions, mobile and pad,

In Android, there are five different processes: Activityprocess,visibleprocess,backgroundprocess,startedserviceprogress,backgroundprocess, Emptyprocess, these five states, their priority ranks from top to bottom:First, the activeprocess of this

BackgroundMany times in the evening, lying in bed listening to the computer put music rest, listening to listen to the eyes can not open, drowsiness comes, often at this time I really is not willing to turn off the lights, shut the computer, because

1. Results showBeautiful snowflakes, how many beautiful memories of the year. ^_^2. Making IdeasIn fact, the creation of such a college scene is very simple, easy to see after you read the tutorial will not be able to. OK, the following

Buy In-app Billing ProductsOnce your app is connected to Google Play, you can initialize your purchase request for in-store items. Google Play provides a billing interface that allows users to access their payment methods, so your program doesn't

iOS design Mode-adapterEffectDescription1. In order to make the client as common as possible, we use the adapter mode to isolate the client from external parameters and only let the client communicate with the Adapter.2. This tutorial implements the