I have done it,
Extend the Gallery class override the getChildStaticTransformation. method.
Attached is the file for CarouselGallery.
On Wed, Jan 19, 2011 at 3:47 PM, Abhilash baddam <
[email protected]> wrote:
> Hi,
>
> Any help....?
>
>
> On Wed, Jan 12, 2011 at 12:01 PM, JAlexoid (Aleksandr Panzin) <
> [email protected]> wrote:
>
>> Yes... Apparently you have an issue of understanding what is sarcasm.
>>
>> No one will do it for you, unless you pay them. Google.com is your
>> friend. Someone may have already shared code for that.
>>
>> On 11 янв, 18:01, Abhilash baddam
>> <[email protected]> wrote:
>> > Thank you....Treking. I will wait for your code in the mean while i'l
>> also
>> > try to achieve this one.
>> >
>> > On Tue, Jan 11, 2011 at 9:00 PM, TreKing <[email protected]> wrote:
>> > > On Tue, Jan 11, 2011 at 5:51 AM, Abhilash baddam <
>> > > [email protected]> wrote:
>> >
>> > >> Thanks for your reply...if anybody is having code snippets regarding
>> this
>> > >> issue please send it to me.
>> >
>> > > OK. I'll code up something that will work 100% for sure in your
>> project and
>> > > have it over to you in a jiffy. Sit tight ...
>> >
>> > >
>> -------------------------------------------------------------------------------------------------
>> > > TreKing <http://sites.google.com/site/rezmobileapps/treking> -
>> Chicago
>> > > transit tracking app for Android-powered devices
>> >
>> > > --
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>>
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--
Regards,
Abdul Mateen,
Software Engineer at Rounded Labs Ltd.
Linux Administrator at Addictive Mobility Inc
Mobile : +92-333-3265875.
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package uk.co.game.lib;
import android.content.Context;
import android.graphics.Camera;
import android.graphics.Matrix;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.Transformation;
import android.widget.Gallery;
import android.widget.ImageView;
public class CarouselGallery extends Gallery {
/**
* Graphics Camera used for transforming the matrix of ImageViews
*/
private Camera mCamera = new Camera();
/**
* The maximum angle the Child ImageView will be rotated by
*/
private int mMaxRotationAngle = 60;
/**
* The maximum zoom on the centre Child
*/
private int mMaxZoom = -200;
/**
* The Centre of the Coverflow
*/
private int mCoveflowCenter;
public CarouselGallery(Context context) {
super(context);
this.setStaticTransformationsEnabled(true);
}
public CarouselGallery(Context context, AttributeSet attrs) {
super(context, attrs);
this.setStaticTransformationsEnabled(true);
}
public CarouselGallery(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
this.setStaticTransformationsEnabled(true);
}
/**
* Get the max rotational angle of the image
*
* @return the mMaxRotationAngle
*/
public int getMaxRotationAngle() {
return mMaxRotationAngle;
}
/**
* Set the max rotational angle of each image
*
* @param maxRotationAngle
* the mMaxRotationAngle to set
*/
public void setMaxRotationAngle(int maxRotationAngle) {
mMaxRotationAngle = maxRotationAngle;
}
/**
* Get the Max zoom of the centre image
*
* @return the mMaxZoom
*/
public int getMaxZoom() {
return mMaxZoom;
}
/**
* Set the max zoom of the centre image
*
* @param maxZoom
* the mMaxZoom to set
*/
public void setMaxZoom(int maxZoom) {
mMaxZoom = maxZoom;
}
/**
* Get the Centre of the Coverflow
*
* @return The centre of this Coverflow.
*/
public int getCenterOfCoverflow() {
return (getWidth() - getPaddingLeft() - getPaddingRight()) / 2
+ getPaddingLeft();
}
/**
* Get the Centre of the View
*
* @return The centre of the given view.
*/
private static int getCenterOfView(View view) {
return view.getLeft() + view.getWidth() / 2;
}
/**
* {@inheritDoc}
*
* @see #setStaticTransformationsEnabled(boolean)
*/
protected boolean getChildStaticTransformation(View child, Transformation t) {
final int childCenter = getCenterOfView(child);
final int childWidth = child.getWidth();
int rotationAngle = 0;
t.clear();
t.setTransformationType(Transformation.TYPE_MATRIX);
if (childCenter == mCoveflowCenter) {
transformImageBitmap((ImageView) child, t, 0);
} else {
rotationAngle = (int) (((float) (mCoveflowCenter - childCenter) / childWidth) * mMaxRotationAngle);
if (Math.abs(rotationAngle) > mMaxRotationAngle) {
rotationAngle = (rotationAngle < 0) ? -mMaxRotationAngle
: mMaxRotationAngle;
}
transformImageBitmap((ImageView) child, t, rotationAngle);
}
return true;
}
/**
* This is called during layout when the size of this view has changed. If
* you were just added to the view hierarchy, you're called with the old
* values of 0.
*
* @param w
* Current width of this view.
* @param h
* Current height of this view.
* @param oldw
* Old width of this view.
* @param oldh
* Old height of this view.
*/
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
mCoveflowCenter = getCenterOfCoverflow();
super.onSizeChanged(w, h, oldw, oldh);
}
/**
* Transform the Image Bitmap by the Angle passed
*
* @param imageView
* ImageView the ImageView whose bitmap we want to rotate
* @param t
* transformation
* @param rotationAngle
* the Angle by which to rotate the Bitmap
*/
private void transformImageBitmap(ImageView child, Transformation t,
int rotationAngle) {
mCamera.save();
final Matrix imageMatrix = t.getMatrix();
;
final int imageHeight = child.getLayoutParams().height;
;
final int imageWidth = child.getLayoutParams().width;
final int rotation = Math.abs(rotationAngle);
mCamera.translate(0.0f, 0.0f, 100.0f);
// As the angle of the view gets less, zoom in
if (rotation < mMaxRotationAngle) {
float zoomAmount = (float) (mMaxZoom + (rotation * 3.5));
mCamera.translate(0.0f, 0.0f, zoomAmount);
}
// mCamera.rotateY(rotationAngle);
mCamera.getMatrix(imageMatrix);
imageMatrix.preTranslate(-(imageWidth / 2), -(imageHeight / 2));
imageMatrix.postTranslate((imageWidth / 2), (imageHeight / 2));
mCamera.restore();
}
@Override
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
float velocityY) {
// TODO Auto-generated method stub
return true;
}
}
