Gallery displays an image in a scroll.

Such as AD control requirements

1. Display an image at a time

2. Only one slide can be made at a time.

3. Automatic playback

• Custom ad controls inherit from gallery

/**

* The image gallery can only slide one image at a time.

* @ Author CMM

* @ Date 2012-02-02

* @ Version 1.0

*/

Public class imagegallery extends gallery {

Public imagegallery (context, attributeset paramattributeset ){

Super (context, paramattributeset );

}

@ Override

Public Boolean onfling (motionevent parammotionevent1,

Motionevent parammotionevent2, float paramfloat1, float paramfloat2 ){

Return false;

}

@ Override

Public Boolean onscroll (motionevent parammotionevent1, motionevent parammotionevent2, float paramfloat1, float paramfloat2 ){

Float F = 1.4f * paramfloat1;

Return super. onscroll (parammotionevent1, parammotionevent2, F, paramfloat2 );

} Http://www.eoeandroid.com/thread-102526-1-1.html

@ Override

Protected Boolean getchildstatictransformation (view child, transformation T ){

Return true;

}

}

• Adapter item layout width fillparent

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

<! -- Advertisement item -->

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

Android: layout_width = "fill_parent"

Android: layout_height = "wrap_content">

<Imageview

Android: Id = "@ + ID/qianghaoqi_ad_item_image"

Android: layout_width = "fill_parent"

Android: layout_height = "30020.dip"

Android: paddingbottom = "2020.dip"

Android: paddingleft = "2020.dip"

Android: paddingright = "2020.dip"

Android: paddingtop = "28w.dip"

Android: scaletype = "fitxy"/>

</Relativelayout>

• Automatic playback

/**

* Auto-scrolling playback is mainly implemented by combining timer and handler. Timer is responsible for generating and transmitting scheduled update messages,

* The handler receives the processed message and resets the currently displayed image.

*/

Final handler mautogalleryhandler = new handler (){

Public void handlemessage (message ){

Super. handlemessage (Message );

Switch (message. What ){

Case handlertypeutils. handler_type_load_data_main_gallery_pos:

Mimagegallery. setselection (message. getdata (). getint (

Constantutil. gallery_pos ));

Break;

}

}

};

Timer mautotimer;

/**

* Timer is responsible for regularly updating the generation and transmission of messages. After adelay seconds, information is sent every aperiod seconds.

*

* @ Param adelay

* @ Param aperiod

*/

Protected void settimer (long adelay, long aperiod, final int APOs ){

If (mautotimer! = NULL ){

Mautotimer. Cancel ();

}

Mautotimer = new timer ();

Mautotimer. Schedule (New timertask (){

Int gallerypisition = apos;

@ Override

Public void run (){

If (gallerypisition <mcount-1 ){

Gallerypisition = gallerypisition + 1;

} Else {

Gallerypisition = 0;

}

Message MSG = new message ();

Bundle date = new bundle (); // store data

Date. putint (constantutil. gallery_pos, gallerypisition );

MSG. setdata (date );

MSG. What = handlertypeutils. handler_type_load_data_main_gallery_pos; // Message ID

Mautogalleryhandler. sendmessage (MSG );

}

}, Adelay, aperiod); // after 5 seconds, the message is sent every 5 seconds.

}

• Layout file gallery medicines are included in framelayout to prevent Jitter

<! -- Homepage advertisement -->

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

Xmlns: MySpace = "http://schemas.android.com/apk/res/com.blade.qianghaoqi"

Android: Id = "@ + ID/qianghaoqi_ad_layout"

Android: layout_width = "fill_parent"

Android: layout_height = "wrap_content"

Android: Orientation = "vertical">

<Com. Blade. qianghaoqi. UI. uicommon. baseview. imagegallery

Android: Id = "@ + ID/qianghaoqi_ad_gallery"

Android: layout_width = "fill_parent"

Android: layout_height = "wrap_content"

Android: animationduration = "100"

Android: fadingedge = "NONE"

Android: spacing = "0.0dip"/>

<! -- Add a flag -->

<Linearlayout

Android: Id = "@ + ID/qianghaoqi_ad_position"

Android: layout_width = "wrap_content"

Android: layout_height = "wrap_content"

Android: layout_gravity = "bottom | Center"

Android: Orientation = "horizontal"

Android: paddingbottom = "5.0dip">

</Linearlayout>

</Framelayout>

• Load flag points

/**

* Load a flag point

*/

Protected void loadpositionimage (){

Imageview aimageview = NULL;

Mlinearlayout. removeallviews ();

For (INT I = 0; I <mcount; I ++ ){

Aimageview = new imageview (this );

If (I = 0 ){

Aimageview

. Setimageresource (R. drawable. game_blade_qianghaoqi_alert_dialog_help_selected );

} Else {

Aimageview

. Setimageresource (R. drawable. game_blade_qianghaoqi_alert_dialog_help_unselected );

}

Mlinearlayout. addview (aimageview );

}

}

/**

* Change the flag point status

*

* @ Param APOs

*/

Public void changepositionimage (INT APOs ){

Imageview aimageview = (imageview) mlinearlayout. getchildat (APOs );

If (aimageview! = NULL ){

Aimageview

. Setimageresource (R. drawable. game_blade_qianghaoqi_alert_dialog_help_selected );

}

For (INT I = 0; I <mcount; I ++ ){

If (I! = APOs ){

Aimageview = (imageview) mlinearlayout. getchildat (I );

Aimageview

. Setimageresource (R. drawable. game_blade_qianghaoqi_alert_dialog_help_unselected );

}

}

}

@ Override

Public void onitemselected (adapterview <?> Parent, view, int position,

Long ID ){

Changepositionimage (position );

Setactionaddata (position );

}

 

 

 

From: http://mmandroid.diandian.com/post/2012-02-27/16773046

 

Niu Ren blog Space