HorizontalScrollView & Gesture를 이용한 이미지 좌우 슬라이딩 효과.

끙...너무 어려운....Gesture를 모르니 이해를 몬하겠네..

 

<?xml version="1.0" encoding="utf-8"?> <!-- AndroidManifest.xml --> <manifest xmlns:android="http://schemas.android.com/apk/res/android"       package="lee.android.Sliding"       android:versionCode="1"       android:versionName="1.0">     <application android:icon="@drawable/icon" android:label="@string/app_name">         <activity android:name=".Sliding"                   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:name=".MenuSlideView"                   android:label="@string/app_name">         </activity>     </application>     <uses-sdk android:minSdkVersion="8" /> </manifest>

<?xml version="1.0" encoding="utf-8"?> <!-- main.xml --> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"     android:layout_width="fill_parent"     android:layout_height="fill_parent"     >  <Button  android:id="@+id/menu_btn"  android:layout_width="fill_parent"  android:layout_height="wrap_content"  android:text="Slide Button"  android:layout_gravity="center_horizontal" />  <lee.android.Sliding.MenuSlideView   android:id="@+id/menu_slide"   android:layout_width="fill_parent"   android:layout_height="wrap_content"   android:layout_gravity="bottom" /> </FrameLayout>

<?xml version="1.0" encoding="utf-8"?>   <!-- manu_layout.xml --> <LinearLayout   xmlns:android="http://schemas.android.com/apk/res/android"   android:orientation="horizontal"   android:layout_width="wrap_content"   android:layout_height="wrap_content">      <ImageView   android:id="@+id/default_gesture"   android:layout_width="320dip"   android:layout_height="fill_parent"   android:src="@drawable/icon"   android:background="#C0E0FF"/>      <ImageView   android:id="@+id/custom_gesture"   android:layout_width="320dip"   android:layout_height="fill_parent"   android:src="@drawable/icon"   android:background="#F0C0FF"/>      </LinearLayout>

// Sliding.java   package lee.android.Sliding; import android.app.Activity; import android.os.Bundle; public class Sliding extends Activity {     private MenuSlideView mSlideView;          @Override     public void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.main);         mSlideView = (MenuSlideView)findViewById(R.id.menu_slide);     } }

// MenuSlideView .java   package lee.android.Sliding; import android.content.Context; import android.util.AttributeSet; import android.util.Log; import android.view.Display; import android.view.GestureDetector; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.ViewGroup; import android.view.WindowManager; import android.view.GestureDetector.OnGestureListener; import android.widget.HorizontalScrollView; public class MenuSlideView extends HorizontalScrollView {  private Context mContext;  private int mScreenWidth;  private GestureDetector mGesture;  private GestureDetector.OnGestureListener mGesturesListener = new OnGestureListener() {   @Override   public boolean onDown (MotionEvent e) {    Log.d("dodo4989","onDown");    return false;   }   @Override   public boolean onFling (MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {    Log.d("dodo4989","onFling");    if(velocityX>0){     smoothScrollTo(0,0);    }else {     smoothScrollTo(mScreenWidth,0);    }    return false;   }   @Override   public void onLongPress (MotionEvent e) {    Log.d("dodo4989","onLongPress");       }   @Override   public boolean onScroll (MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {    Log.d("dodo4989","onScroll");    smoothScrollBy((int)distanceX,0);    return false;   }   @Override   public void onShowPress (MotionEvent e) {    Log.d("dodo4989","onShowPress");       }   @Override   public boolean onSingleTapUp (MotionEvent e) {    Log.d("dodo4989","onSingleTapUp");    return false;   }  };  private void createSubView() {   mGesture = new GestureDetector(mContext, mGesturesListener);      //scroll view setting   setHorizontalScrollBarEnabled(false);      //get screen size   Display display = ((WindowManager)mContext.getSystemService(Context.WINDOW_SERVICE)).getDefaultDisplay();   mScreenWidth = display.getWidth();      //set sub layout   LayoutInflater inflater = (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);   View v = inflater.inflate(R.layout.menu_layout, null);   ViewGroup.LayoutParams params = new ViewGroup.LayoutParams(LayoutParams.MATCH_PARENT,100);   addView(v, params);    }    public MenuSlideView(Context context) {   super(context);   mContext = context;   createSubView();  }  public MenuSlideView(Context context, AttributeSet attrs) {   super(context, attrs);   mContext = context;   createSubView();  }  public MenuSlideView(Context context, AttributeSet attrs, int defStyle) {   super(context, attrs, defStyle);   mContext = context;   createSubView();  }  @Override  public boolean onTouchEvent(MotionEvent ev) {   mGesture.onTouchEvent(ev);   int action = ev.getAction();   switch(action) {   case MotionEvent.ACTION_UP:    if(getScrollX() < mScreenWidth/2) {     smoothScrollTo(0,0);    } else {     smoothScrollTo(mScreenWidth,0);    }    break;   }   return true;  }  }