android 3d效果背景,Android开发3D界面特效

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android 3d效果背景,Android开发3D界面特效

好资源大家分享一下；源码搞起，有事留言；

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package com.test.util;

import com.dooya.activity.R;

import android.content.Context;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.Canvas;

import android.graphics.LinearGradient;

import android.graphics.Matrix;

import android.graphics.Paint;

import android.graphics.PorterDuffXfermode;

import android.graphics.Bitmap.Config;

import android.graphics.PorterDuff.Mode;

import android.graphics.Shader.TileMode;

import android.graphics.drawable.BitmapDrawable;

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;

//加载资源图片

private Integer[] mImageIds = {

R.drawable.favorite,

R.drawable.room,

R.drawable.scene,

R.drawable.security,

R.drawable.time,

R.drawable.set};

public ImageAdapter(Context c) {

mContext = c;

}

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) {

ImageView i = createReflectedImages(mContext,mImageIds[position]);

i.setLayoutParams(new CoverFlow.LayoutParams(120, 100));

i.setScaleType(ImageView.ScaleType.CENTER_INSIDE);

// 设置的抗锯齿

BitmapDrawable drawable = (BitmapDrawable) i.getDrawable();

drawable.setAntiAlias(true);

return i;

}

public float getScale(boolean focused, int offset) {

return Math.max(0, 1.0f / (float) Math.pow(2, Math.abs(offset)));

}

/**

* 设置镜像图像

* @param mContext

* @param imageId

* @return */

public ImageView createReflectedImages(Context mContext,int imageId) {

Bitmap originalImage = BitmapFactory.decodeResource(mContext.getResources(), imageId);

final int reflectionGap = 4;

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);

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.MIRROR);

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);

return imageView;

}

}

package com.test.util;

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 CoverFlow extends Gallery {

private Camera mCamera = new Camera();

private int mMaxRotationAngle = 50;//60;

private int mMaxZoom = -380;//-120;

private int mCoveflowCenter;

private boolean mAlphaMode = true;

private boolean mCircleMode = false;

public CoverFlow(Context context) {

super(context);

this.setStaticTransformationsEnabled(true);

}

public CoverFlow(Context context, AttributeSet attrs) {

super(context, attrs);

this.setStaticTransformationsEnabled(true);

}

public CoverFlow(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 boolean getCircleMode() {

return mCircleMode;

}

public void setCircleMode(boolean isCircle) {

mCircleMode = isCircle;

}

public boolean getAlphaMode() {

return mAlphaMode;

}

public void setAlphaMode(boolean isAlpha) {

mAlphaMode = isAlpha;

}

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);

}

/**

* 把图像位图的角度通过

*/

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);

// 如视图的角度更少,放大

if (rotation <= mMaxRotationAngle) {

float zoomAmount = (float) (mMaxZoom + (rotation * 1.5));

mCamera.translate(0.0f, 0.0f, zoomAmount);

if (mCircleMode) {

if (rotation < 40)

mCamera.translate(0.0f, 155, 0.0f);

else

mCamera.translate(0.0f, (255 - rotation * 2.5f), 0.0f);

}

if (mAlphaMode) {

((ImageView) (child)).setAlpha((int) (255 - rotation * 2.5));

}

}

mCamera.rotateY(rotationAngle);

mCamera.getMatrix(imageMatrix);

imageMatrix.preTranslate(-(imageWidth / 2), -(imageHeight / 2));

imageMatrix.postTranslate((imageWidth / 2), (imageHeight / 2));

mCamera.restore();

}

}

package com.test.activity;

import android.app.Activity;

import android.os.Bundle;

import android.view.WindowManager;

import com.dooya.util.CoverFlow;

import com.dooya.util.ImageAdapter;

public class HomeActivity extends Activity {

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

CoverFlow cf = new CoverFlow(this);

getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,

WindowManager.LayoutParams.FLAG_FULLSCREEN);// 设置全屏

cf.setBackgroundDrawable(this.getResources().getDrawable(R.drawable.bg));//背景

cf.setAdapter(new ImageAdapter(this));

ImageAdapter imageAdapter = new ImageAdapter(this);

cf.setAdapter(imageAdapter);

cf.setSelection(2, true);

cf.setAnimationDuration(1000);

setContentView(cf);

}

}

【摘自 迷途de书童】