Android development road 05, android road 05

Android development road 05, android road 05

I. How to get the content of values in the res resource file:

1. string. xml file -------------------------------; value options: getResource (). getString (resourceID) or getResource. getText (resourceID );

 

2. Arrays. xml file -----------------------------------; Value Method: getResource (). getStringArray (resourceID );

 

3. Colors. xml file -------------------------------------- getResource (). getDarwable (resourceID) or getResource (). getColor (resourceID );

 

4. Dimens. xml file --------------------------------------- getResource (). getDimension (resourceID );

 

5. No value is required for Style. xml -----------------------------------------.

 

2. AndroidManifest. xml file description:

<? Xml version = "1.0" encoding = "UTF-8"?>

<! -- Package = "com. rookie. hello" indicates the main package name of the entire application, and it is a default program name.

Android: versionCode = "1" indicates the apk version generated by the project, and 1 is continuously increasing;

Android: versionName = "1.0" indicates the version name, which starts with 1.0. Other versions can be set as needed.

Android: installLocation = "auto" apk will automatically find the installed directory, ROM or SDcard card

InternalOnly can only be installed on ROM

PreferExternal is directly installed on the sdcard

 

-->

<Manifest xmlns: android = "http://schemas.android.com/apk/res/android"

Package = "com. rookie. hello"

Android: versionCode = "1"

Android: versionName = "1.0" type = "codeph" text = "/codeph">

<! -- Add user authorization -->

<Uses-permission android: name = "android. permission. ACCESS_NETWORK_STATE"/>

<Uses-sdk

Android: minSdkVersion = "15"

Android: targetSdkVersion = "23"/>

<! -- Android: icon = "@ drawable/ic_launcher" indicates the logo image of our application.

Android: label = "@ string/app_name" indicates the text description of the application project.

-->

<Application

Android: allowBackup = "true"

Android: icon = "@ drawable/ic_launcher"

Android: label = "@ string/app_name"

Android: theme = "@ style/AppTheme">

<! -- Android: name = ". MainActivity" indicates the name of the main program of the entire application.

Intent-filter: intent filter, used to filter user actions and operations

Android. intent. action. MAIN: indicates that the current program is the entrance program of the entire project.

Category android: name: indicates whether the application is displayed in the program list.

-->

<Activity

Android: name = ". MainActivity"

Android: label = "@ string/app_name">

<Intent-filter>

<Action android: name = "android. intent. action. MAIN"/>

 

<Category android: name = "android. intent. category. LAUNCHER"/>

</Intent-filter>

</Activity>

</Application>

 

</Manifest>