Android 3 D効果図


//   gallery
package com.test;

import android.content.Context;
import android.graphics.Camera;
import android.graphics.Matrix;
import android.util.AttributeSet;
import android.view.View;
import android.view.animation.Transformation;
import android.widget.Gallery;
import android.widget.ImageView;
public class GalleryFlow extends Gallery {
    private Camera mCamera = new Camera();
    private int mMaxRotationAngle = 60;
    private int mMaxZoom = -120;
    private int mCoveflowCenter;
    public GalleryFlow(Context context) {
            super(context);
            this.setStaticTransformationsEnabled(true);
    }
    public GalleryFlow(Context context, AttributeSet attrs) {
            super(context, attrs);
            this.setStaticTransformationsEnabled(true);
    }
    public GalleryFlow(Context context, AttributeSet attrs, int defStyle) {
            super(context, attrs, defStyle);
            this.setStaticTransformationsEnabled(true);
    }
    public int getMaxRotationAngle() {
            return mMaxRotationAngle;
    }
    public void setMaxRotationAngle(int maxRotationAngle) {
            mMaxRotationAngle = maxRotationAngle;
    }
    public int getMaxZoom() {
            return mMaxZoom;
    }
    public void setMaxZoom(int maxZoom) {
            mMaxZoom = maxZoom;
    }
    private int getCenterOfCoverflow() {
            return (getWidth() - getPaddingLeft() - getPaddingRight()) / 2
                            + getPaddingLeft();
    }
    private static int getCenterOfView(View view) {
            return view.getLeft() + view.getWidth() / 2;
    }
    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;
    }
    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
            mCoveflowCenter = getCenterOfCoverflow();
            super.onSizeChanged(w, h, oldw, oldh);
    }
    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);
            //  Z      
            //  Y    ,    ;X      。
            mCamera.translate(0.0f, 100.0f, 0.0f);
            if (rotation < mMaxRotationAngle) {
                    float zoomAmount = (float) (mMaxZoom + (rotation * 1.5));
                    mCamera.translate(0.0f,zoomAmount, 0.0f);
            }
            //  Y    ,      。
            //  X    ,       。
//            mCamera.rotateX(rotationAngle);
            mCamera.rotateY(rotationAngle);
            mCamera.rotateZ(rotationAngle);            
            mCamera.getMatrix(imageMatrix);
            imageMatrix.preTranslate(-(imageWidth / 2), -(imageHeight / 2));
            imageMatrix.postTranslate((imageWidth / 2), (imageHeight / 2));
            mCamera.restore();
    }
}
 
//  

package com.test; import android.content.Context; import android.graphics.Bitmap; import android.graphics.Bitmap.Config; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Color; import android.graphics.LinearGradient; import android.graphics.Matrix; import android.graphics.Paint; import android.graphics.PorterDuff.Mode; import android.graphics.PorterDuffXfermode; import android.graphics.Shader.TileMode; import android.util.Log; import android.view.View; import android.view.ViewGroup; import android.widget.BaseAdapter; import android.widget.ImageView; public class ImageAdapter  extends BaseAdapter {   int mGalleryItemBackground;      private Context mContext;      private Integer[] mImageIds;      private ImageView[] mImages;      private String[] textList= {        "aaaaaaa",        "bbbbbbb",        "ccccccc",        "ddddddd",        "eeeeeee",        "fffffff",        "ggggggg",        "hhhhhhh"      };           public ImageAdapter(Context c, Integer[] ImageIds) {         mContext = c;         mImageIds = ImageIds;         mImages = new ImageView[mImageIds.length];             }      public boolean createReflectedImages() {         final int reflectionGap = 4;         int index = 0;         for (int imageId : mImageIds) {             Bitmap originalImage = BitmapFactory.decodeResource(mContext                    .getResources(), imageId);             int width = originalImage.getWidth();             int height = originalImage.getHeight();             Matrix matrix = new Matrix();             matrix.preScale(1, -1);             Bitmap reflectionImage = Bitmap.createBitmap(originalImage, 0,                    height / 2, width, height / 2, matrix, false);             Bitmap bitmapWithReflection = Bitmap.createBitmap(width,                    (height + height / 2), Config.ARGB_8888);             Canvas canvas = new Canvas(bitmapWithReflection);             canvas.drawBitmap(originalImage, 0, 0, null);             Paint deafaultPaint = new Paint(); //            canvas.drawRect(0, height, width, height + reflectionGap, //                   deafaultPaint);             deafaultPaint.setColor(Color.RED);             deafaultPaint.setTextSize(18); //            Log.i("ssssssssssssss", "width = " + width +"  , height = " + height); //            canvas.drawText("s6666666666666666666666", width/3, height, deafaultPaint);             String str="testset";             canvas.drawText(textList[index], 0, textList[index].length(), 60, height, deafaultPaint);                                                 canvas.drawBitmap(reflectionImage, 0, height + reflectionGap, null);             Paint paint = new Paint();             LinearGradient shader = new LinearGradient(0,                    originalImage.getHeight(), 0,                    bitmapWithReflection.getHeight() + reflectionGap,                    0x70ffffff, 0x00ffffff, TileMode.CLAMP);             paint.setShader(shader);             paint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));             canvas.drawRect(0, height, width, bitmapWithReflection.getHeight()                    + reflectionGap, paint);             ImageView imageView = new ImageView(mContext);             imageView.setImageBitmap(bitmapWithReflection);             imageView.setLayoutParams(new GalleryFlow.LayoutParams(180, 240));             mImages[index++] = imageView;         }         return true;      }        public int getCount() {          return mImageIds.length;       }       public Object getItem(int position) {          return position;       }       public long getItemId(int position) {          return position;       }       public View getView(int position, View convertView, ViewGroup parent) {          return mImages[position];       }       public float getScale(boolean focused, int offset) {          return Math.max(0, 1.0f / (float) Math.pow(2, Math.abs(offset)));       }    }

Activity    
package com.test;

import android.app.Activity;
import android.os.Bundle;

public class GallyImagesActivity extends Activity {
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.layout_gallery);
        Integer[] images = { 	
        		R.drawable.main_menu_icon_0,
    			R.drawable.main_menu_icon_1,
    			R.drawable.main_menu_icon_2,
    			R.drawable.main_menu_icon_3,
    			R.drawable.main_menu_icon_4,
    			R.drawable.main_menu_icon_5,
    			R.drawable.main_menu_icon_6,
    			R.drawable.main_menu_icon_7};  //      
        ImageAdapter adapter = new ImageAdapter(this, images);
        adapter.createReflectedImages();
        GalleryFlow galleryFlow = (GalleryFlow) findViewById(R.id.Gallery01);
        galleryFlow.setAdapter(adapter);          
        
    }
    
//onItemClick,          
    
}

リソースファイル