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Detailed explanation of the application based on the first PhoneGap (cordova) _html5 tutorial skills

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Release: 2016-05-16 15:49:35
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PhoneGap is an application development platform that allows you to use HTML5 to easily call local API interfaces and publish applications to the store. Officials say it has the advantages of low cost, short development cycle, lightweight, etc. We can’t prove these yet, so we’ll ignore them. But there is a cross-platform, which is an obvious advantage. Because it uses HTML5 JavaScript mode to develop applications. PhoneGap uses JavaScript to uniformly encapsulate the local APIs of several major platforms (Andriod, IOS, WP8/7, WINRT), etc. . In this case, when transplanting from one platform to another, you only need to take the HTML code and JS intact and package them. PhoneGap was later acquired by Adobe and then contributed to the open source community. It is now managed by Apache and renamed cordova.

In order to port yesterday's html5 drawing board to mobile devices, I decided to use the phoneGap platform, so that I only need to write one side and run it.

Today I will set up the phoneGap environment under Andriod.

1. Download phoneGap

http://phonegap.com/download/#autodownload

Extract it and find the lib/android directory.

2. Create a new Andriod project under eclipse, which is the same as a normal project.

3. Create a new folder "www" in the assets directory

Copy cordova-2.6.0.js in the lib/android directory to this directory. Copy cordova-2.6.0.jar to the libs directory.

Detailed explanation of the application based on the first PhoneGap (cordova) _html5 tutorial skills

4. Create a new html file index.html in the www directory. Our interface will be created here.

Detailed explanation of the application based on the first PhoneGap (cordova) _html5 tutorial skills

The code for

index is as follows:

Copy the code
The code is as follows:

< ;!doctype html>



HTML5Paint


HTML5Paint





5. Put the lib/android directory Copy the entire xml folder to res

Detailed explanation of the application based on the first PhoneGap (cordova) _html5 tutorial skills

6. Modify AndroidManifest.xml to add user permissions

Add the following code at the front of the tag

Copy the code
The code is as follows:

android:largeScreens="true"
android:normalScreens="true"
android:smallScreens="true"
android:xlargeScreens="true"
android:resizeable="true"
android:anyDensity="true"
/>


















7.修改MainAcivity.java

复制代码
代码如下:

public class MainActivity extends DroidGap {

@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
super.loadUrl("file:///android_asset/www/index.html");
}

}


8.build一下会有错误,这是因为前面的cordova-2.6.0.jar没有添加到buildpath里面去。添加buildpath。

Detailed explanation of the application based on the first PhoneGap (cordova) _html5 tutorial skills

继续build就过了。

最后run一下:

 

Detailed explanation of the application based on the first PhoneGap (cordova) _html5 tutorial skillsDetailed explanation of the application based on the first PhoneGap (cordova) _html5 tutorial skills

这样一个phonegap的Andriod程序就搞定了。明天把昨天的那个HTML5画板移植过来。

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