Transparent software navigation using viewflipper and gestures

Package COM. nd. activitydemo; import android. app. activity; import android. OS. bundle; import android. util. log; import android. view. gesturedetector; import android. view. motionevent; import android. view. view; import android. view. gesturedetector. ongesturelistener; import android. view. view. onclicklistener; import android. view. viewgroup. layoutparams; import android. view. animation. animationutils; import android. widge T. imageview; import android. widget. viewflipper; public class activitydemoactivity extends activity implements ongesturelistener {/** called when the activity is first created. */gesturedetector failed; // Private Static final int scroll_min_distance = 160; // Private Static final int timeout = 10; private viewflipper VF; @ overridepublic void oncreate (bundle savedinstancestate) {sup Er. oncreate (savedinstancestate); settheme (R. style. transparent); setcontentview (R. layout. transparent); VF = (viewflipper) findviewbyid (R. id. VF); VF. addview (addimagebyid (R. drawable. guardpic1), new layoutparams (layoutparams. fill_parent, layoutparams. wrap_content); VF. addview (addimagebyid (R. drawable. guardpic2), new layoutparams (layoutparams. fill_parent, layoutparams. wrap_content); mgesturedetector = new G Esturedetector (activitydemoactivity. this);} // test the gesture at Development @ overridepublic Boolean ontouchevent (motionevent event) {// todo auto-generated method stubboolean retvalue = mgesturedetector. ontouchevent (event); int action = event. getaction (); If (Action = motionevent. action_up) {// helper Method for lifted finger} else if (Action = motionevent. action_cancel) {} return retvalue;} @ overridepublic Boolean Ondo Wn (motionevent e) {// todo auto-generated method stubreturn false;} @ overridepublic Boolean onfling (motionevent E1, motionevent E2, float velocityx, float velocityy) {// todo auto-generated method stublog. I ("Fling", "fling happened! "); If (e1.getx ()-e2.getx ()> 120) {This. VF. setinanimation (animationutils. loadanimation (this, R. anim. push_left_in); this. VF. setoutanimation (animationutils. loadanimation (this, R. anim. push_left_out); this. VF. shownext (); Return true;} else if (e1.getx ()-e2.getx () <-120) {This. VF. setinanimation (animationutils. loadanimation (this, R. anim. push_right_in); this. VF. setoutanimation (animationutils. loadanimation (this, R. anim. push_right_out); this. VF. showprevious (); Return true;} return true;} @ overridepublic void onlongpress (motionevent e) {// todo auto-generated method stub} @ overridepublic Boolean onscroll (motionevent E1, motionevent E2, float distancex, float distancey) {// todo auto-generated method stublog. I ("motionevent", "onscroll ......... "); // parameter explanation: // E1: 1st action_down motionevent // E2: The last action_move motionevent // velocityx: The moving speed on the X axis, pixel/second // velocityy: The moving speed on the Y axis, pixel/second // trigger condition: // The coordinate displacement of the X axis is greater than that of scroll_min_distance, and the moving speed is greater than scroll_min_velocity pixels/S // If (e1.getx ()-e2.getx ()> scroll_min_distance // & math. ABS (distancex)> scroll_min_velocity) {// fling left // IV. setbackgroundresource (R. drawable. guardpic2); //} else if (e2.getx ()-e1.getx ()> scroll_min_distance // & math. ABS (distancex)> scroll_min_velocity) {// fling right/IV. setbackgroundresource (R. drawable. detailpageguideinfo); //} return false;} @ overridepublic void onshowpress (motionevent e) {// todo auto-generated method stub} @ overridepublic Boolean onsingletapup (motionevent E) {// todo auto-generated method stubactivitydemoactivity. this. finish (); Return false;} public view addimagebyid (int id) {imageview IV = new imageview (this); IV. setimageresource (ID); Return IV ;}}

Layout file:

<?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"    ><ViewFlipper  android:id="@+id/vf"    android:layout_width="fill_parent"     android:layout_height="fill_parent"     /></LinearLayout>

References:

Viewflipper animation use http://www.iteye.com/topic/569493

Viewflipper combined with the gesture ongesturelistener to create the sliding switching effect http://blog.csdn.net/feng88724/article/details/6170694androidhand page flip effect http://www.iteye.com/topic/712644

Android slide effects custom http://www.apkbus.com/android-13210-1-1.html

[Experience sharing] the use of Flipper Android http://wap.devdiv.com/thread-84867-1-1.html

Complete source code: http://download.csdn.net/detail/sxsj333/3615788