Android images slide around with gestures

Code:

Image gesture sliding left and right

Package COM. SL. quwei. UI. manage; import android. app. activity; import android. content. intent; import android. OS. bundle; import android. util. displaymetrics; import android. util. log; import android. view. *; import android. view. animation. animationutils; import android. widget. *; import COM. SL. quwei. quweiapplication; import COM. SL. quwei. r; import static android. view. keyevent. keycode_back;/*** created by intellij ide A. * User: Wulong * Date: 12-2-22 * Time: 4: 15 am * to change this template use file | Settings | file templates. */public class agghelp extends activity implements gesturedetector. ongesturelistener {Private Static final string tag = "quwei. agghelp "; private int mscreenwidth = 240; private int mscreenheight = 320; private gesturedetector detector; private viewflipper Flipper; private int mindexel PPIC = 0; private int [] mbglist = {R. drawable. agg_help01, // The number of images required for sliding. drawable. agg_help02, R. drawable. agg_help03, R. drawable. agg_help04, R. drawable. agg_help05, R. drawable. agg_help06};/*** called when the activity is first created. * // @ override public void oncreate (bundle savedinstancestate) {super. oncreate (savedinstancestate); setcontentview (R. layout. agg_bangzhuzhiyin); charsequence Title = Gettitle (); string loginname = (quweiapplication) getapplication ()). getloginusername (); string titlename = aggtools. getnewtitle (title, loginname); settitle (titlename); displaymetrics dm = new displaymetrics (); getwindowmanager (). getdefadisplay display (). getmetrics (DM); mscreenwidth = DM. widthpixels; mscreenheight = DM. heightpixels; If (mscreenwidth <240) {mscreenwidth = 240;} If (mscreenheight <3 20) {mscreenheight = 320;} Flipper = (viewflipper) This. findviewbyid (R. id. viewflipper01); // Flipper. addview (addbuttonbytext ("button"), new layoutparams (layoutparams. fill_parent, layoutparams. wrap_content); Flipper. addview (addimagebyid (mbglist [mindexhelppic]), new viewgroup. layoutparams (viewgroup. layoutparams. fill_parent, viewgroup. layoutparams. wrap_content); detector = new gesturedetector (this );} Private void backtomaindesk () {// startactivity (new intent (this, aggmanage. class); finish ();} public Boolean onkeydown (INT keycode, keyevent event) {Switch (keycode) {Case keycode_back: backtomaindesk (); Return true; default: break ;} return super. onkeydown (keycode, event);} private view addimagebyid (int id) {imageview IMG = new imageview (this); IMG. setimageresource (ID); IMG. setadjustviewbo UNDS (true); IMG. setmaxwidth (mscreenwidth); IMG. setmaxheight (mscreenheight); IMG. setscaletype (imageview. scaletype. fit_xy); Return IMG;} public view addbuttonbytext (string text) {button BTN = new button (this); BTN. settext (text); Return BTN;} public view addtextbytext (string text) {textview TV = new textview (this); TV. settext (text); TV. setgravity (1); Return TV ;}@ override public Boolean ontouche Vent (motionevent event) {log. I ("Fling", "activity ontouchevent! "); Return this. detector. ontouchevent (event) ;}@ override public Boolean ondown (motionevent e) {// todo auto-generated method stub return false ;} /*** listen to slide */@ override public Boolean onfling (motionevent E1, motionevent E2, float velocityx, float velocityy) {// todo auto-generated method stub log. I ("Fling", "fling happened! "); If (e1.getx ()-e2.getx ()> 120) {If (++ mindexhelppic> = mbglist. length) {mindexhelppic = mbglist. length-1; backtomaindesk (); Return true;} This. flipper. setinanimation (animationutils. loadanimation (this, R. anim. push_left_in); this. flipper. setoutanimation (animationutils. loadanimation (this, R. anim. push_left_out); // This. flipper. addview (addtextbytext ("text box"), new layoutparams (layoutparams. fill_parent, layoutparams. wrap_content); Flipper. addview (addimagebyid (mbglist [mindexhelppic]), new viewgroup. layoutparams (viewgroup. layoutparams. fill_parent, viewgroup. layoutparams. wrap_content); this. flipper. shownext (); Return true;} else if (e1.getx ()-e2.getx () <-120) {If (-- mindexhelppic <0) {mindexhelppic = 0; return true ;} this. flipper. setinanimation (animationutils. loadanimation (this, R. anim. push_right_in); this. flipper. setoutanimation (animationutils. loadanimation (this, R. anim. push_right_out); this. flipper. showprevious (); Return true;} return true;} @ override public void onlongpress (motionevent e) {// todo auto-generated method stub} @ override public Boolean onscroll (motionevent E1, motionevent E2, float distancex, float distancey) {// todo auto-generated method stub return false;} @ override public void onshowpress (motionevent E) {// todo auto-generated method stub} @ override public Boolean onsingletapup (motionevent e) {// todo auto-generated method stub return false ;}}

Configuration file:

Agg_bangzhuzhiyin.xml

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"              android:orientation="vertical"              android:layout_width="fill_parent"              android:layout_height="fill_parent"              android:background="@drawable/agg_sub_bg">    <ViewFlipper android:id="@+id/ViewFlipper01"                 android:layout_width="fill_parent"                 android:layout_height="fill_parent">    </ViewFlipper></LinearLayout>

Put push_left_in.xml in anim

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android"><translate android:fromXDelta="100%p" android:toXDelta="0"android:duration="500" /><alpha android:fromAlpha="0.1" android:toAlpha="1.0"android:duration="500" /></set>

Put push_left_out.xml in anim

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android"><translate android:fromXDelta="0" android:toXDelta="-100%p"android:duration="500" /><alpha android:fromAlpha="1.0" android:toAlpha="0.1"android:duration="500" /></set>

Put push_right_in.xml in anim

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android"><translate android:fromXDelta="0" android:toXDelta="100%p"android:duration="500" /><alpha android:fromAlpha="1.0" android:toAlpha="0.1"android:duration="500" /></set>

Put push_right_out.xml in anim

<?xml version="1.0" encoding="utf-8"?><set xmlns:android="http://schemas.android.com/apk/res/android"><translate android:fromXDelta="0" android:toXDelta="100%p"android:duration="500" /><alpha android:fromAlpha="1.0" android:toAlpha="0.1"android:duration="500" /></set>

Enables the image to slide around with the gesture