Mobile Develop

1. assets--Asset directory (files in this directory will be packaged directly into the APK file). The way to get the files in this directory is:InputStream is = GetContext (). Getassets (). Open ("naddress.db");2, the raw directory under Res. The

1. Find the anomaly from the main log as follows:08-20 11:05:19.754 5023 5023 e androidruntime:fatal exception:main08-20 11:05:19.754 5023 5023 e Androidruntime:pro Cess:com.android.bluetooth, pid:502308-20 11:05:19.754 5023 5023 E

Navigation Controller1. The navigation controller always shows the view of the top controller2. The navigation controller in the interface between the jump must get the navigation controller3. Calling the Pop method does not immediately destroy the

NSString *bananas = @ "123.321abc137d EFG hij KL"; NSString *separatorstring = @ "FG"; BOOL result; Nsscanner *ascanner = [Nsscanner Scannerwithstring:bananas]; Scan the string//to stop when scanning to the specified string,

In fact, this is a question of repeated questions. But every time you have to forget the same.At first I thought it was just a matter of focus, so I spent a lot of time in the layout file of the interview focus, really lack of experience. Originally

Dapper, a light Weight object mapper for ADOLightweight ORM Helper class, without configuration, directly introduce a CS file or introduce its DLL can be used.When you use the Query method of a Connection object, you can specify that the generic t

One, I am a strong supporter of early and often compiled. In general, after you have written each method or a bit of difficulty, try to build the code. This is a good habit, because if the amount of code added since the last successful compilation

What does Android pdk,ndk,sdk do?Three words should be common in the field of software development, and their full names are:SDK (software development Kit)PDK (PlatformDevelopment Kit)NDK (Native development Kit)1.SDK Software Development KitThe

Prototype mode is a relatively simple design pattern, said simply, is to copy objects.The prototype pattern is considered in the following cases:1. Objects that need to be created should be independent of their type and how they are created2. The

iOS multithreading technology primarily distributes Nsthread, nsoperation, and GCD. Here's a quick introduction.In a way, it is not in order. so let's introduce nsoperation. ----------------------------------------------------------------------------

Extends:http://www.ui.cn/detail/45435.htmlHttp://www.2cto.com/kf/201501/372699.htmlHttp://www.cnblogs.com/bluestorm/p/3640786.htmlhttp://www.shejidaren.com/android%E7%B3%BB%E7%BB%9F%E5%AD%97%E4%BD%93%E8%A7%84%E8%8C%83%E4%B8%8E%E5%BA%94%E7% 94%a8%e6%8

1. MessageA message is an information that is passed between threads, and it can carry a small number of messages inside to exchange data between different threading. In the previous section we used the What field of the message, in addition to

Package Com.example.tianchu;Import android.app.Activity;Import Android.os.Bundle;Import android.view.MotionEvent;Import Android.view.View;Import Android.view.View.OnClickListener;Import Android.view.Window;Import Android.widget.RelativeLayout;Import

Recently in the writing of an Android project, I wrote a androidapplication global variable, which wrote some methods to get the application package name and system, but I every time when the call is an empty exception, I think I should write all

1 Android introduced a new set of unit DP and SP.DP is the meaning of the density-independent pixels, also known as dip, and the ratio of its display in different density screens will be consistent compared to PX.The SP is the meaning of the

To learn Android development, the first thing to do is to build an Android development environment, so how to build the Android environment? First, the tool preparation:to build the environment, the first need is the natural development of software,

All along, the company was developed with Eclipse, but as our application grew, the project structure grew larger, the dependencies between projects became complex, and the eclipse management looked very difficult, and often a colleague changed

Since 2007, only a short 8 years, Apple-represented iOS system in a short span of 8 years from the mobile operating system promotion called the most popular information operating system, equipped with iOS system equipment to the apple from a brink

Because the work is busy, has not written the blog for a long time, today first to have an article, this is also the project encountered the question.Title, WebView loading Web pages, but the content of the page can not be scrolled and clicked, and

Now some applications, the status bar is initially fully transparent, and when the user declines, the status bar transparency is gradually restored, seeThis effect is not difficult to achieve, the head of the ListView is set as a picture, the