An example of Android mobile phone software development interface redirection

 

An example of Android mobile phone software development interface redirection

 

Development Environment Configuration:

Window server 2008

Eclipse 3.7

JDK1.6

Android2.2

ADT14

 

// Xml file for application configuration

// AndroidManifest. xml

//--------------------------------------------------------------------------------

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

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

Package = "LC. HelloWorld"

Android: versionCode = "1"

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

<Uses-sdk android: minSdkVersion = "7"/>

<Application

Android: icon = "@ drawable/ic_launcher"

Android: label = "@ string/app_name">

<Activity

Android: name = ". SecPage"

Android: label = "@ string/app_name">

<Intent-filter>

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

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

</Intent-filter>

</Activity>

<Activity

Android: label = "@ string/app_name"

Android: name = ". HelloWorldActivity">

</Activity>

<Activity

Android: label = "@ string/app_name"

Android: name = ". OtherActivity">

</Activity>

</Application>

</Manifest>

 

// Xml file for mobile phone interface Layout

Res/layout/main. xml

//----------------------------------------------------------------------------

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

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

Android: layout_width = "fill_parent"

Android: layout_height = "fill_parent"

Android: orientation = "vertical">

<TextView

Android: id = "@ + id/txt_display"

Android: layout_width = "fill_parent"

Android: layout_height = "wrap_content"

Android: text = "@ string/hello"/>

<TextView

Android: id = "@ + id/myTextView"

Android: layout_width = "170dp"

Android: layout_height = "wrap_content"

Android: text = "TextView"/>

<Button

Android: id = "@ + id/myButton"

Android: layout_width = "fill_parent"

Android: layout_height = "69dp"

Android: text = "Button"/>

</LinearLayout>

 

Res/layout/other. xml

//-------------------------------------------------------------------------

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

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

Android: layout_width = "fill_parent"

Android: layout_height = "fill_parent"

Android: orientation = "vertical">

<TextView

Android: id = "@ + id/myTextView2"

Android: layout_width = "170dp"

Android: layout_height = "wrap_content"

Android: text = "TextView"/>

<Button

Android: id = "@ + id/btn_back"

Android: layout_width = "wrap_content"

Android: layout_height = "wrap_content"

Android: text = "back rollback"/>

</LinearLayout>

 

Res/values/strings. xml

//-------------------------------------------------------------------------

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

<Resources>

<String name = "hello"> Hello World, HelloWorldActivity! </String>

<String name = "app_name"> HelloWorld </string>

<String name = "other"> otherActivity </string>

</Resources>

 

// Source code

// SecPage. java

//-------------------------------------------------------------------------

Package LC. HelloWorld;

 

Import android. app. Activity; // the package of the Activity

Import android. content. DialogInterface;

Import android. content. DialogInterface. OnClickListener;

Import android. content. Intent;

Import android. OS. Bundle; // used to map string values

Import android. view. View;

Import android. widget. Button;

Import android. widget. TextView;

 

Public class SecPage extends Activity

{

Button myButton = null;

@ Override

Public void onCreate (Bundle savedInstanceState)

{

Super. onCreate (savedInstanceState );

SetContentView (R. layout. main); // set the current view as the main interface Layout R. layout. main

// Add a click event to the button

MyButton = (Button) this. findViewById (R. id. myButton );

MyButton. setText ("jump to another Interface Activity ");

MyButton. setOnClickListener (new MyButtonListener ());

}

Class MyButtonListener implements android. view. View. OnClickListener

{

@ Override

Public void onClick (View v)

{

// Generate an Intent object

// Intent is an abstract description that provides direct interaction between activities and can be run by startActivty.

// Intent provides a media to call each other,

// Implement the decoupling between the caller and the called.

Intent intent = new Intent ();

Intent. setClass (SecPage. this, OtherActivity. class );

Intent. putExtra ("testExtra", "haha! ");

SecPage. this. startActivity (intent );

}

}

}

 

// OtherActivity. java

//---------------------------------------------------------------------------

/**

*

*/

Package LC. HelloWorld;

 

Import android. app. Activity;

Import android. content. Intent;

Import android. view. View;

Import android. OS. Bundle;

Import android. widget. TextView;

Import android. widget. Button;

 

/**

* @ Author Administrator

*

*/

Public class OtherActivity extends Activity {

@ Override

Protected void onCreate (Bundle savedInstanceState)

{

Super. onCreate (savedInstanceState );

SetContentView (R. layout. other );

// Set

TextView myTextView = null;

// Get the extension parameters set on the previous page?

Intent intent = this. getIntent ();

String mytext = intent. getStringExtra ("testExtra ");

If (mytext! = Null & mytext. length () <= 0)

{

Mytext = "haha_1 ";

}

Mytext + = ", I skipped it! ";

// Set the content of the text box

MyTextView = (TextView) this. findViewById (R. id. myTextView2 );

MyTextView. setText (mytext );

// Btn_back Add back button click process event

Button btn_back = (Button) this. findViewById (R. id. btn_back );

Btn_back.setOnClickListener (new BackClickListener ());

}

// Define the Add rollback button and click process event

Class BackClickListener implements android. view. View. OnClickListener

{

@ Override

Public void onClick (View v)

{

Intent intent = new Intent ();

Intent. setClass (OtherActivity. this, SecPage. class );

Intent. putExtra ("testExtra", "haha! ");

OtherActivity. this. startActivity (intent );

}

}

}

// -- The --- end ----

// 2011-11-17

// Vp: hsg