package com.android.CustomGallery;
import android.content.Context;
import android.graphics.Camera;
import android.graphics.Matrix;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import android.view.animation.Transformation;
import android.widget.Gallery;
import android.widget.ImageView;
public class GalleryFlow 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 = 50;
/**
* The maximum zoom on the centre Child
*/
private int mMaxZoom = -250;
/**
* The Centre of the Coverflow
*/
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);
}
/**
* 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.
*/
private int getCenterOfCoverflow() {
//Log.e("CoverFlow Width+Height", getWidth() + "*" + getHeight());
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) {
/*Log.e("ChildView Width+Height", view.getWidth() + "*"
+ view.getHeight());*/
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);
// ��Z���������ƶ�camera���ӽǣ�ʵ��Ч��Ϊ�Ŵ�ͼƬ��
// �����Y�����ƶ�����ͼƬ�����ƶ���X���϶�ӦͼƬ�����ƶ���
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 * 1.5));
mCamera.translate(0.0f, 0.0f, zoomAmount);
((ImageView) (child)).setAlpha((int) (255 - rotation * 2.5));
}
// ��Y������ת����ӦͼƬ�������ת��
// �����X������ת�����ӦͼƬ�������ת��
mCamera.rotateY(rotationAngle);
mCamera.getMatrix(imageMatrix);
// Preconcats matrix�൱���ҳ˾���Postconcats matrix�൱����˾���
imageMatrix.preTranslate(-(imageWidth / 2), -(imageHeight / 2));
imageMatrix.postTranslate((imageWidth / 2), (imageHeight / 2));
mCamera.restore();
}
}
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CustomGalleryLikeiPhone(3D相册).zip
共35个文件
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java:5个
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2024-04-09
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收起资源包目录
CustomGalleryLikeiPhone(3D相册).zip (35个子文件)
CustomGalleryLikeiPhone(3D相册)
.classpath 280B
assets
src
com
android
CustomGallery
GalleryFlow.java 5KB
AA.java 312B
MainActivity.java 785B
ImageAdapter.java 5KB
res
drawable-mdpi
photo4.png 123KB
photo8.png 149KB
photo1.png 125KB
photo6.jpg 16KB
photo7.png 129KB
photo3.png 78KB
photo2.png 93KB
photo5.png 96KB
icon.png 3KB
drawable-ldpi
icon.png 2KB
values
strings.xml 176B
layout
main.xml 396B
drawable-hdpi
icon.png 4KB
bin
CustomGalleryLikeiPhone(3D相册).apk 816KB
resources.ap_ 809KB
classes.dex 9KB
com
android
CustomGallery
AA.class 443B
R$string.class 448B
R$layout.class 415B
R$id.class 411B
GalleryFlow.class 4KB
R$attr.class 361B
ImageAdapter.class 5KB
R$drawable.class 661B
MainActivity.class 1KB
R.class 580B
default.properties 364B
.project 873B
AndroidManifest.xml 692B
gen
com
android
CustomGallery
R.java 1KB
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