实例介绍
【实例简介】又一个翻书效果，这个翻页效果如下图
【实例截图】
【核心代码】
package com.xin.book.view;
import java.util.Date;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.LinearGradient;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Point;
import android.graphics.PorterDuffXfermode;
import android.graphics.Shader;
import android.graphics.PorterDuff.Mode;
import android.os.Handler;
import android.util.AttributeSet;
import android.util.Log;
import android.view.GestureDetector;
import android.view.MotionEvent;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.GestureDetector.OnGestureListener;
import android.widget.FrameLayout;
import android.widget.LinearLayout;
public class BookLayout extends FrameLayout {
public static final String LOG_TAG = "liaowenxin";
private int totalPageNum;
private Context mContext;
private boolean hasInit = false;
private final int defaultWidth = 600, defaultHeight = 400;
private int contentWidth = 0;
private int contentHeight = 0;
private View currentPage,middlePage,nextPage,prevPage;
private LinearLayout invisibleLayout;
private LinearLayout mainLayout;
private BookView mBookView;
private Handler aniEndHandle;
private static boolean closeBook = false;
private Corner mSelectCorner;
private final int clickCornerLen = 250 * 250; // 50dip
private float scrollX = 0, scrollY = 0;
private int indexPage = 0;
private BookState mState;
private Point aniStartPos;
private Point aniStopPos;
private Date aniStartTime;
private long aniTime = 800;
private long timeOffset = 10;
// private Listener mListener;
private BookAdapter mPageAdapter;
private GestureDetector mGestureDetector;
private BookOnGestureListener mGestureListener;
public BookLayout(Context context) {
super(context);
Init(context);
}
public BookLayout(Context context, AttributeSet attrs) {
super(context, attrs);
Init(context);
}
public BookLayout(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
Init(context);
}
public void setPageAdapter(BookAdapter pa) {
Log.d(LOG_TAG, "setPageAdapter");
mPageAdapter = pa;
}
public void Init(Context context) {
Log.d(LOG_TAG, "Init");
totalPageNum = 0;
mContext = context;
mSelectCorner = Corner.None;
mGestureListener = new BookOnGestureListener();
mGestureDetector = new GestureDetector(mGestureListener);
mGestureDetector.setIsLongpressEnabled(false);
aniEndHandle = new Handler();
this.setOnTouchListener(touchListener);
this.setLongClickable(true);
}
protected void dispatchDraw(Canvas canvas) {
Log.d(LOG_TAG, "dispatchDraw");
super.dispatchDraw(canvas);
if (!hasInit) {
hasInit = true;
indexPage = 0;
if (mPageAdapter == null) {
throw new RuntimeException("please set the PageAdapter on init");
}
totalPageNum = mPageAdapter.getCount();
mainLayout = new LinearLayout(mContext);
mainLayout.setLayoutParams(new LayoutParams(contentWidth, contentHeight));
mainLayout.setBackgroundColor(0xffffffff);
mState = BookState.READY;
invisibleLayout = new LinearLayout(mContext);
invisibleLayout.setLayoutParams(new LayoutParams(contentWidth, contentHeight));
this.addView(invisibleLayout);
this.addView(mainLayout);
mBookView = new BookView(mContext);
mBookView.setLayoutParams(new LayoutParams(contentWidth, contentHeight));
this.addView(mBookView);
updatePageView();
invalidate();
} else if (mState == BookState.READY) {
mBookView.update();
}
}
/**
* 此方法做过修改，改成一页显示
*/
public void updatePageView() {
Log.d(LOG_TAG, "updatePageView");
if (indexPage < 0 || indexPage > totalPageNum - 1) {
return;
}
invisibleLayout.removeAllViews();
mainLayout.removeAllViews();
/*当前页*/
currentPage = mPageAdapter.getView(indexPage);
if(currentPage == null){
currentPage = new WhiteView(mContext);
}
currentPage.setLayoutParams(new LayoutParams(contentWidth,contentHeight));
mainLayout.addView(currentPage);
/*背景页*/
middlePage = new WhiteView(mContext);
middlePage.setLayoutParams(new LayoutParams(contentWidth,contentHeight));
invisibleLayout.addView(middlePage);
/*前一页*/
prevPage = null;
if(indexPage>0){
prevPage = mPageAdapter.getView(indexPage-1);
}
if(prevPage==null){
prevPage = new WhiteView(mContext);
}
prevPage.setLayoutParams(new LayoutParams(contentWidth,contentHeight));
invisibleLayout.addView(prevPage);
/*后一页*/
nextPage = null;
if(indexPage<totalPageNum-1){
nextPage = mPageAdapter.getView(indexPage 1);
}
if(nextPage==null){
nextPage = new WhiteView(mContext);
}
nextPage.setLayoutParams(new LayoutParams(contentWidth,contentHeight));
invisibleLayout.addView(nextPage);
Log.d(LOG_TAG, "updatePageView finish");
}
OnTouchListener touchListener = new OnTouchListener() {
public boolean onTouch(View v, MotionEvent event) {
Log.d(LOG_TAG, "onTouch " " x: " event.getX() " y: " event.getY() " mState:" mState);
mGestureDetector.onTouchEvent(event);
int action = event.getAction();
if (action == MotionEvent.ACTION_UP && mSelectCorner != Corner.None && mState == BookState.TRACKING) {
if (mState == BookState.ANIMATING)
return false;
if(mSelectCorner == Corner.LeftTop){
if(scrollX<contentWidth/2){
aniStopPos = new Point(0,0);
}else{
aniStopPos = new Point(2*contentWidth,0);
}
}else if(mSelectCorner == Corner.RightTop){
if(scrollX<contentWidth/2){
aniStopPos = new Point(-contentWidth,0);
}else{
aniStopPos = new Point(contentWidth,0);
}
}else if(mSelectCorner == Corner.LeftBottom){
if(scrollX<contentWidth/2){
aniStopPos = new Point(0,contentHeight);
}else{
aniStopPos = new Point(2*contentWidth,contentHeight);
}
}else if(mSelectCorner == Corner.RightBottom){
if(scrollX<contentWidth/2){
aniStopPos = new Point(-contentWidth,contentHeight);
}else{
aniStopPos = new Point(contentWidth,contentHeight);
}
}
aniStartPos = new Point((int) scrollX, (int) scrollY);
aniTime = 800;
mState = BookState.ABOUT_TO_ANIMATE;
closeBook = true;
aniStartTime = new Date();
mBookView.startAnimation();
}
return false;
}
};
class BookOnGestureListener implements OnGestureListener {
public boolean onDown(MotionEvent event) {
Log.d(LOG_TAG, "onDown");
if (mState == BookState.ANIMATING)
return false;
float x = event.getX(), y = event.getY();
int w = contentWidth, h = contentHeight;
if (x * x y * y < clickCornerLen) {
if (indexPage > 0) {
mSelectCorner = Corner.LeftTop;
aniStartPos = new Point(0, 0);
}
} else if ((x - w) * (x - w) y * y < clickCornerLen) {
if (indexPage < totalPageNum - 1) {
mSelectCorner = Corner.RightTop;
aniStartPos = new Point(contentWidth, 0);
}
} else if (x * x (y - h) * (y - h) < clickCornerLen) {
if (indexPage > 0) {
mSelectCorner = Corner.LeftBottom;
aniStartPos = new Point(0, contentHeight);
}
} else if ((x - w) * (x - w) (y - h) * (y - h) < clickCornerLen) {
if (indexPage < totalPageNum - 1) {
mSelectCorner = Corner.RightBottom;
aniStartPos = new Point(contentWidth, contentHeight);
}
}
if (mSelectCorner != Corner.None) {
aniStopPos = new Point((int) x, (int) y);
aniTime = 800;
mState = BookState.ABOUT_TO_ANIMATE;
closeBook = false;
aniStartTime = new Date();
mBookView.startAnimation();
}
return false;
}
public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
Log.d(LOG_TAG, "onFling velocityX:" velocityX " velocityY:" velocityY);
if (mSelectCorner != Corner.None) {
if (mSelectCorner == Corner.LeftTop) {
if (velocityX < 0) {
aniStopPos = new Point(0, 0);
} else {
aniStopPos = new Point(2*contentWidth, 0);
}
}else if( mSelectCorner == Corner.RightTop){
if (velocityX < 0) {
aniStopPos = new Point(-contentWidth, 0);
} else {
aniStopPos = new Point(contentWidth, 0);
}
}else if (mSelectCorner == Corner.LeftBottom ) {
if (velocityX < 0) {
aniStopPos = new Point(0, contentHeight);
} else {
aniStopPos = new Point(2*contentWidth, contentHeight);
}
}else if( mSelectCorner == Corner.RightBottom){
if (velocityX < 0) {
aniStopPos = new Point(-contentWidth, contentHeight);
} else {
aniStopPos = new Point(contentWidth, contentHeight);
}
}
Log.d(LOG_TAG, "onFling animate");
aniStartPos = new Point((int) scrollX, (int) scrollY);
aniTime = 1000;
mState = BookState.ABOUT_TO_ANIMATE;
closeBook = true;
aniStartTime = new Date();
mBookView.startAnimation();
}
return false;
}
public void onLongPress(MotionEvent e) {
Log.d(LOG_TAG, "onLongPress");
}
public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
mState = BookState.TRACKING;
if (mSelectCorner != Corner.None) {
scrollX = e2.getX();
scrollY = e2.getY();
mBookView.startAnimation();
}
return false;
}
public void onShowPress(MotionEvent e) {
Log.d(LOG_TAG, "onShowPress");
}
public boolean onSingleTapUp(MotionEvent e) {
Log.d(LOG_TAG, "onSingleTapUp");
if (mSelectCorner != Corner.None) {
if (mSelectCorner == Corner.LeftTop) {
if (scrollX < contentWidth / 2) {
aniStopPos = new Point(0, 0);
} else {
aniStopPos = new Point(2*contentWidth, 0);
}
} else if(mSelectCorner == Corner.RightTop){
if (scrollX < contentWidth / 2) {
aniStopPos = new Point(-contentWidth, 0);
} else {
aniStopPos = new Point(contentWidth, 0);
}
}else if (mSelectCorner == Corner.LeftBottom) {
if (scrollX < contentWidth / 2) {
aniStopPos = new Point(0, contentHeight);
} else {
aniStopPos = new Point(2*contentWidth, contentHeight);
}
}else if(mSelectCorner == Corner.RightBottom){
if (scrollX < contentWidth / 2) {
aniStopPos = new Point(-contentWidth, contentHeight);
} else {
aniStopPos = new Point(contentWidth, contentHeight);
}
}
aniStartPos = new Point((int) scrollX, (int) scrollY);
aniTime = 800;
mState = BookState.ABOUT_TO_ANIMATE;
closeBook = true;
aniStartTime = new Date();
mBookView.startAnimation();
}
return false;
}
}
protected void onFinishInflate() {
Log.d(LOG_TAG, "onFinishInflate");
super.onFinishInflate();
}
protected void onLayout(boolean changed, int l, int t, int r, int b) {
super.onLayout(changed, l, t, r, b);
contentWidth = this.getWidth();
contentHeight = this.getHeight();
if (contentWidth == 0)
contentWidth = defaultWidth;
if (contentHeight == 0)
contentHeight = defaultHeight;
Log.d(LOG_TAG, "onLayout, width:" contentWidth " height:" contentHeight);
}
class BookView extends SurfaceView implements SurfaceHolder.Callback {
DrawThread dt;
SurfaceHolder surfaceHolder;
Paint mDarkPaint = new Paint();
Paint mPaint = new Paint();
Bitmap tmpBmp = Bitmap.createBitmap(contentWidth, contentHeight, Bitmap.Config.ARGB_8888);
Canvas mCanvas = new Canvas(tmpBmp);
Paint bmpPaint = new Paint();
Paint ivisiblePaint = new Paint();
public BookView(Context context) {
super(context);
surfaceHolder = getHolder();
surfaceHolder.addCallback(this);
mDarkPaint.setColor(0x88000000);
Shader mLinearGradient = new LinearGradient(0, 0, contentWidth, 0, new int[] { 0x00000000, 0x33000000,
0x00000000 }, new float[] { 0.35f, 0.5f, 0.65f }, Shader.TileMode.MIRROR);
mPaint.setAntiAlias(true);
mPaint.setShader(mLinearGradient);
bmpPaint.setFilterBitmap(true);
bmpPaint.setAntiAlias(true);
ivisiblePaint.setAlpha(0);
ivisiblePaint.setFilterBitmap(true);
ivisiblePaint.setAntiAlias(true);
ivisiblePaint.setXfermode(new PorterDuffXfermode(Mode.DST_IN));
}
public void startAnimation() {
if (dt == null) {
Log.d(LOG_TAG, "startAnimation");
dt = new DrawThread(this, getHolder());
dt.start();
}
}
public void stopAnimation() {
Log.d(LOG_TAG, "stopAnimation");
if (dt != null) {
dt.flag = false;
Thread t = dt;
dt = null;
t.interrupt();
}
}
public void drawLT(Canvas canvas) {
double dx = contentWidth - scrollX, dy = scrollY;
double len = Math.sqrt(dx * dx dy * dy);
if (len > contentWidth) {
scrollX = (float)(contentWidth - contentWidth*dx/len);
scrollY = (float)(contentWidth*dy/len);
}
double px = scrollX;
double py = scrollY;
double arc = 2 * Math.atan(py / px) * 180 / Math.PI;
Matrix m = new Matrix();
m.postTranslate(scrollX - contentWidth, scrollY);
m.postRotate((float) (arc), scrollX, scrollY);
middlePage.draw(mCanvas);
Paint ps = new Paint();
Shader lg1 = new LinearGradient(contentWidth , 0, contentWidth - (float) px, (float) py, new int[] {
0x00000000, 0x33000000, 0x00000000 }, new float[] { 0.35f, 0.5f, 0.65f }, Shader.TileMode.CLAMP);
ps.setShader(lg1);
mCanvas.drawRect(0, 0, contentWidth , contentHeight, ps);
canvas.drawBitmap(tmpBmp, m, bmpPaint);
prevPage.draw(mCanvas);
Shader lg2 = new LinearGradient(scrollX, scrollY, 0, 0, new int[] { 0x00000000, 0x33000000, 0x00000000 },
new float[] { 0.35f, 0.5f, 0.65f }, Shader.TileMode.CLAMP);
ps.setShader(lg2);
mCanvas.drawRect(0, 0, contentWidth , contentHeight, ps);
arc = arc * Math.PI / 360;
Path path = new Path();
double r = Math.sqrt(px * px py * py);
double p1 = r / (2 * Math.cos(arc));
double p2 = r / (2 * Math.sin(arc));
Log.d(LOG_TAG, "p1: " p1 " p2:" p2);
if (arc == 0) {
path.moveTo((float) p1, 0);
path.lineTo(contentWidth , 0);
path.lineTo(contentWidth , contentHeight);
path.lineTo((float) p1, contentHeight);
path.close();
} else if (p2 > contentHeight || p2 < 0) {
double p3 = (p2 - contentHeight) * Math.tan(arc);
path.moveTo((float) p1, 0);
path.lineTo(contentWidth , 0);
path.lineTo(contentWidth , contentHeight);
path.lineTo((float) p3, contentHeight);
path.close();
} else {
path.moveTo((float) p1, 0);
path.lineTo(contentWidth , 0);
path.lineTo(contentWidth , contentHeight);
path.lineTo(0, contentHeight);
path.lineTo(0, (float) p2);
path.close();
}
mCanvas.drawPath(path, ivisiblePaint);
canvas.drawBitmap(tmpBmp, 0, 0, null);
}
public void drawLB(Canvas canvas) {
double dx = contentWidth - scrollX, dy = contentHeight-scrollY;
double len = Math.sqrt(dx * dx dy * dy);
if (len > contentWidth ) {
scrollX = (float) (contentWidth-contentWidth * dx /len);
scrollY = (float) (contentHeight-contentWidth * dy / len);
}
double px = scrollX;
double py = contentHeight - scrollY;
double arc = 2 * Math.atan(py / px) * 180 / Math.PI;
Matrix m = new Matrix();
m.postTranslate(scrollX - contentWidth , scrollY - contentHeight);
m.postRotate((float) (-arc), scrollX, scrollY);
middlePage.draw(mCanvas);
Paint ps = new Paint();
Shader lg1 = new LinearGradient(contentWidth , contentHeight, contentWidth - (float) px,
contentHeight - (float) py, new int[] { 0x00000000, 0x33000000, 0x00000000 }, new float[] { 0.35f,
0.5f, 0.65f }, Shader.TileMode.CLAMP);
ps.setShader(lg1);
mCanvas.drawRect(0, 0, contentWidth, contentHeight, ps);
canvas.drawBitmap(tmpBmp, m, bmpPaint);
prevPage.draw(mCanvas);
Shader lg2 = new LinearGradient(scrollX, scrollY, 0, contentHeight, new int[] { 0x00000000, 0x33000000,
0x00000000 }, new float[] { 0.35f, 0.5f, 0.65f }, Shader.TileMode.CLAMP);
ps.setShader(lg2);
mCanvas.drawRect(0, 0, contentWidth, contentHeight, ps);
arc = arc * Math.PI / 360;
Path path = new Path();
double r = Math.sqrt(px * px py * py);
double p1 = r / (2 * Math.cos(arc));
double p2 = r / (2 * Math.sin(arc));
Log.d(LOG_TAG, "p1: " p1 " p2:" p2);
if (arc == 0) {
path.moveTo((float) p1, 0);
path.lineTo(contentWidth , 0);
path.lineTo(contentWidth , contentHeight);
path.lineTo((float) p1, contentHeight);
path.close();
} else if (p2 > contentHeight || p2 < 0) {
double p3 = (p2 - contentHeight) * Math.tan(arc);
path.moveTo((float) p3, 0);
path.lineTo(contentWidth , 0);
path.lineTo(contentWidth , contentHeight);
path.lineTo((float) p1, contentHeight);
path.close();
} else {
path.moveTo(0, 0);
path.lineTo(contentWidth , 0);
path.lineTo(contentWidth , contentHeight);
path.lineTo((float) p1, contentHeight);
path.lineTo(0, contentHeight - (float) p2);
path.close();
}
mCanvas.drawPath(path, ivisiblePaint);
canvas.drawBitmap(tmpBmp, 0, 0, null);
}
public void drawRT(Canvas canvas) {
double dx = scrollX , dy = scrollY;
double len = Math.sqrt(dx * dx dy * dy);
if (len > contentWidth) {
scrollX = (float) (contentWidth * dx /len);
scrollY = (float) (contentWidth * dy / len);
}
double px = contentWidth - scrollX;
double py = scrollY;
double arc = 2 * Math.atan(py / px) * 180 / Math.PI;
Matrix m = new Matrix();
m.postTranslate(scrollX, scrollY);
m.postRotate((float) (-arc), scrollX, scrollY);
middlePage.draw(mCanvas);
Paint ps = new Paint();
Shader lg1 = new LinearGradient(0, 0, (float) px, (float) py, new int[] { 0x00000000, 0x33000000,
0x00000000 }, new float[] { 0.35f, 0.5f, 0.65f }, Shader.TileMode.CLAMP);
ps.setShader(lg1);
mCanvas.drawRect(0, 0, contentWidth, contentHeight, ps);
canvas.drawBitmap(tmpBmp, m, bmpPaint);
nextPage.draw(mCanvas);
Shader lg2 = new LinearGradient(scrollX - contentWidth, scrollY, contentWidth, 0, new int[] {
0x00000000, 0x33000000, 0x00000000 }, new float[] { 0.35f, 0.5f, 0.65f }, Shader.TileMode.CLAMP);
ps.setShader(lg2);
mCanvas.drawRect(0, 0, contentWidth, contentHeight, ps);
arc = arc * Math.PI / 360;
Path path = new Path();
double r = Math.sqrt(px * px py * py);
double p1 = contentWidth - r / (2 * Math.cos(arc));
double p2 = r / (2 * Math.sin(arc));
Log.d(LOG_TAG, "p1: " p1 " p2:" p2);
if (arc == 0) {
path.moveTo(0, 0);
path.lineTo((float) p1, 0);
path.lineTo((float) p1, contentHeight);
path.lineTo(0, contentHeight);
path.close();
} else if (p2 > contentHeight || p2 < 0) {
double p3 = contentWidth - (p2 - contentHeight) * Math.tan(arc);
path.moveTo(0, 0);
path.lineTo((float) p1, 0);
path.lineTo((float) p3, contentHeight);
path.lineTo(0, contentHeight);
path.close();
} else {
path.moveTo(0, 0);
path.lineTo((float) p1, 0);
path.lineTo(contentWidth , (float) p2);
path.lineTo(contentWidth , contentHeight);
path.lineTo(0, contentHeight);
path.close();
}
mCanvas.drawPath(path, ivisiblePaint);
canvas.drawBitmap(tmpBmp, 0 , 0, null);
}
public void drawRB(Canvas canvas) {
double dx = scrollX , dy = contentHeight - scrollY;
double len = Math.sqrt(dx * dx dy * dy);
if (len > contentWidth ) {
scrollX = (float) (contentWidth * dx /len);
scrollY = (float) (contentHeight-contentWidth * dy / len);
}
double px = contentWidth - scrollX;
double py = contentHeight - scrollY;
double arc = 2 * Math.atan(py / px) * 180 / Math.PI;
Matrix m = new Matrix();
m.postTranslate(scrollX, scrollY - contentHeight);
m.postRotate((float) (arc), scrollX, scrollY);
middlePage.draw(mCanvas);
Paint ps = new Paint();
Shader lg1 = new LinearGradient(0, contentHeight, (float) px, contentHeight - (float) py, new int[] {
0x00000000, 0x33000000, 0x00000000 }, new float[] { 0.35f, 0.5f, 0.65f }, Shader.TileMode.CLAMP);
ps.setShader(lg1);
mCanvas.drawRect(0, 0, contentWidth , contentHeight, ps);
canvas.drawBitmap(tmpBmp, m, bmpPaint);
nextPage.draw(mCanvas);
Shader lg2 = new LinearGradient(scrollX - contentWidth , scrollY, contentWidth , contentHeight,
new int[] { 0x00000000, 0x33000000, 0x00000000 }, new float[] { 0.35f, 0.5f, 0.65f },
Shader.TileMode.CLAMP);
ps.setShader(lg2);
mCanvas.drawRect(0, 0, contentWidth , contentHeight, ps);
arc = arc * Math.PI / 360;
Path path = new Path();
double r = Math.sqrt(px * px py * py);
double p1 = contentWidth - r / (2 * Math.cos(arc));
double p2 = r / (2 * Math.sin(arc));
Log.d(LOG_TAG, "p1: " p1 " p2:" p2);
if (arc == 0) {
path.moveTo(0, 0);
path.lineTo((float) p1, 0);
path.lineTo((float) p1, contentHeight);
path.lineTo(0, contentHeight);
path.close();
} else if (p2 > contentHeight || p2 < 0) {
double p3 = contentWidth - (p2 - contentHeight) * Math.tan(arc);
path.moveTo(0, 0);
path.lineTo((float) p3, 0);
path.lineTo((float) p1, contentHeight);
path.lineTo(0, contentHeight);
path.close();
} else {
path.moveTo(0, 0);
path.lineTo(contentWidth , 0);
path.lineTo(contentWidth , contentHeight - (float) p2);
path.lineTo((float) p1, contentHeight);
path.lineTo(0, contentHeight);
path.close();
}
mCanvas.drawPath(path, ivisiblePaint);
canvas.drawBitmap(tmpBmp, 0 , 0, null);
}
public void drawPrevPageEnd(Canvas canvas) {
prevPage.draw(mCanvas);
canvas.drawBitmap(tmpBmp, 0, 0, null);
}
public void drawNextPageEnd(Canvas canvas) {
nextPage.draw(mCanvas);
canvas.drawBitmap(tmpBmp, contentWidth, 0, null);
}
public void drawPage(Canvas canvas) {
if (mSelectCorner == Corner.LeftTop) {
Log.d(LOG_TAG, "click left top");
drawLT(canvas);
} else if (mSelectCorner == Corner.LeftBottom) {
Log.d(LOG_TAG, "click left bottom");
drawLB(canvas);
} else if (mSelectCorner == Corner.RightTop) {
Log.d(LOG_TAG, "click right top");
drawRT(canvas);
} else if (mSelectCorner == Corner.RightBottom) {
Log.d(LOG_TAG, "click right bottom");
drawRB(canvas);
}
}
public void update() {
Canvas canvas = surfaceHolder.lockCanvas(null);
try {
synchronized (surfaceHolder) {
doDraw(canvas);
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (canvas != null) {
surfaceHolder.unlockCanvasAndPost(canvas);
}
}
}
protected void doDraw(Canvas canvas) {
Log.d(LOG_TAG, "bookView doDraw");
mainLayout.draw(canvas);
}
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
}
public void surfaceCreated(SurfaceHolder holder) {
update();
}
public void surfaceDestroyed(SurfaceHolder holder) {
if (dt != null) {
dt.flag = false;
dt = null;
}
}
}
public boolean getAnimateData() {
Log.d(LOG_TAG, "getAnimateData");
long time = aniTime;
Date date = new Date();
long t = date.getTime() - aniStartTime.getTime();
t = timeOffset;
if (t < 0 || t > time) {
mState = BookState.ANIMATE_END;
return false;
} else {
mState = BookState.ANIMATING;
double sx = aniStopPos.x - aniStartPos.x;
scrollX =(float)(sx*t/time aniStartPos.x);
double sy = aniStopPos.y-aniStartPos.y;
scrollY = (float)(sy*t/time aniStartPos.y);
return true;
}
}
public void handleAniEnd(Canvas canvas) {
Log.d(LOG_TAG, "handleAniEnd");
if (closeBook) {
closeBook = false;
if (mSelectCorner == Corner.LeftTop || mSelectCorner == Corner.LeftBottom) {
if (scrollX > contentWidth / 2) {
indexPage -= 1;
mBookView.drawPrevPageEnd(canvas);
aniEndHandle.post(new Runnable() {
public void run() {
updatePageView();
}
});
} else {
mBookView.doDraw(canvas);
}
} else if (mSelectCorner == Corner.RightTop || mSelectCorner == Corner.RightBottom) {
if (scrollX < contentWidth / 2) {
indexPage = 1;
mBookView.drawNextPageEnd(canvas);
aniEndHandle.post(new Runnable() {
public void run() {
updatePageView();
}
});
} else {
mBookView.doDraw(canvas);
}
}
mSelectCorner = Corner.None;
mState = BookState.READY;
} else {
mState = BookState.TRACKING;
}
mBookView.stopAnimation();
// aniEndHandle.post(new Runnable() {
// public void run() {
//// BookLayout.this.invalidate();
// }
// });
}
class WhiteView extends View {
public WhiteView(Context context) {
super(context);
}
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
canvas.drawColor(Color.WHITE);
}
}
public class DrawThread extends Thread {
BookView bv;
SurfaceHolder surfaceHolder;
boolean flag = false;
int sleepSpan = 30;
public DrawThread(BookView bv, SurfaceHolder surfaceHolder) {
this.bv = bv;
this.surfaceHolder = surfaceHolder;
this.flag = true;
}
public void run() {
Canvas canvas = null;
while (flag) {
try {
canvas = surfaceHolder.lockCanvas(null);
if (canvas == null)
continue;
synchronized (surfaceHolder) {
if (mState == BookState.ABOUT_TO_ANIMATE || mState == BookState.ANIMATING) {
bv.doDraw(canvas);
getAnimateData();
bv.drawPage(canvas);
} else if (mState == BookState.TRACKING) {
bv.doDraw(canvas);
bv.drawPage(canvas);
} else if (mState == BookState.ANIMATE_END) {
handleAniEnd(canvas);
}
}
} catch (Exception e) {
e.printStackTrace();
} finally {
if (canvas != null) {
surfaceHolder.unlockCanvasAndPost(canvas);
}
}
try {
Thread.sleep(sleepSpan);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
}
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