公司项目需要用到和锁屏一样的效果，百度了一堆全都是花钱下载的，今天给大家分享一个免费的九宫格
这就是效果下面是代码分享
public class SudokuViewextends View {
private static final int DEFALUT_CELL_WIDTH =60;//默认的cell宽度
private static final int DEFALUT_CELL_STROKE_WIDTH =2;
private static final int DEFALUT_SPACE =DEFALUT_CELL_WIDTH >>1;
private CellmCells[] =new Cell[9];// 九宫格：定义用于存放九个数组
private int mCellWidth;
private int mCellRadius;
private int mCellStrokeWidth;
private int mSpace;
private PaintmPaintNormal;
private PaintmPaintSelected;
private int mWidth;
private int mHeight;
private float mCurrentX;
private float mCurrentY;
private boolean mFinish =false;
private OnClickonClick;
public void setOnClick(OnClick onClick) {
this.onClick = onClick;
}
private StringBuffermSbSelected =new StringBuffer(20);
/**
* 下边是三个构造方法：每一个构造方法中有一个初始化操作
*/
public SudokuView(Context context) {
super(context);
init();
}
public SudokuView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
public SudokuView(Context context, AttributeSet attrs,int defStyleAttr) {
super(context, attrs, defStyleAttr);
init();
}
/**
* 初始化操作
*/
private void init() {
mCellWidth = DensityUtil.dip2px(getContext(),DEFALUT_CELL_WIDTH);
mCellRadius = DensityUtil.dip2px(getContext(),DEFALUT_CELL_WIDTH >>1);
mCellStrokeWidth = DensityUtil.dip2px(getContext(),
DEFALUT_CELL_STROKE_WIDTH);
mSpace = DensityUtil.dip2px(getContext(),DEFALUT_SPACE);
mPaintNormal =new Paint();
mPaintNormal.setColor(Color.WHITE);
mPaintNormal.setStrokeWidth(mCellStrokeWidth);
mPaintNormal.setStyle(Paint.Style.STROKE);
mPaintNormal.setAntiAlias(true);
mPaintSelected =new Paint();
mPaintSelected.setColor(Color.CYAN);
mPaintSelected.setStrokeWidth(mCellStrokeWidth);
mPaintSelected.setStyle(Paint.Style.STROKE);
mPaintSelected.setAntiAlias(true);
Cell cell;
float x;
float y;
for (int i =0; i <9; i++) {
x =mSpace * (i %3 +1) +mCellRadius +mCellWidth * (i %3);
y =mSpace * (i /3 +1) +mCellRadius +mCellWidth * (i /3);
cell =new Cell(x, y);
mCells[i] = cell;
}
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
drawCell(canvas);
drawLine(canvas);
}
private void drawCell(Canvas canvas) {
for (int i =0; i <9; i++) {
canvas.drawCircle(mCells[i].getCenterX(),mCells[i].getCenterY(),
mCellRadius,mCells[i].isSelected() ?mPaintSelected
:mPaintNormal);
}
}
private void drawLine(Canvas canvas) {
if ("".equals(mSbSelected.toString())) {
return;
}
String[] selectedIndexs =mSbSelected.toString().split(",");
Cell cell =mCells[Integer.valueOf(selectedIndexs[0])];
Cell nextCell;
if (selectedIndexs.length >1) {
for (int i =1; i < selectedIndexs.length; i++) {
nextCell =mCells[Integer.valueOf(selectedIndexs[i])];
canvas.drawLine(cell.getCenterX(), cell.getCenterY(),
nextCell.getCenterX(), nextCell.getCenterY(),
mPaintSelected);
cell = nextCell;
}
}
if (!mFinish) {
canvas.drawLine(cell.getCenterX(), cell.getCenterY(),mCurrentX,
mCurrentY,mPaintSelected);
}
}
@Override
protected void onMeasure(int widthMeasureSpec,int heightMeasureSpec) {
mWidth = getRealSize(widthMeasureSpec);
mHeight = getRealSize(heightMeasureSpec);
setMeasuredDimension(mWidth,mWidth);
}
private int getRealSize(int measureSpc) {
int result;
int mode = MeasureSpec.getMode(measureSpc);
int size = MeasureSpec.getSize(measureSpc);
if (mode == MeasureSpec.AT_MOST || mode == MeasureSpec.UNSPECIFIED) {
result =mCellWidth *3 +mSpace *4;
}else {
result = size;
}
return result;
}
@Override
public boolean onTouchEvent(MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
if (mFinish) {
clear();
mFinish =false;
mSbSelected.delete(0,mSbSelected.length());
invalidate();
return false;
}
handleDownEvent(event);
break;
case MotionEvent.ACTION_UP:
mFinish =true;
if (mSbSelected.length() >6) {
if (onClick !=null)
onClick.complete(mSbSelected.toString());
}else {
if (onClick !=null)
onClick.error(mSbSelected.length(),mSbSelected.toString());
}
break;
case MotionEvent.ACTION_MOVE:
handleMoveEvent(event);
break;
}
return true;
}
public void clear() {
for (int i =0; i <9; i++) {
mCells[i].setSelected(false);
}
}
private void handleMoveEvent(MotionEvent event) {
int index = findCellIndex(event.getX(), event.getY());
if (index != -1) {
mCells[index].setSelected(true);
mSbSelected.append(index).append(",");
if (onClick !=null)
onClick.moveimg(mSbSelected.length(),mSbSelected.toString());
}
invalidate();
mCurrentX = event.getX();
mCurrentY = event.getY();
}
private void handleDownEvent(MotionEvent event) {
int index = findCellIndex(event.getX(), event.getY());
if (index != -1) {
mCells[index].setSelected(true);
mSbSelected.append(index).append(",");
invalidate();
}
mCurrentX = event.getX();
mCurrentY = event.getY();
}
private int findCellIndex(float x,float y) {
float cellX;
float cellY;
int result = -1;
for (int i =0; i <9; i++) {
if (mCells[i].isSelected()) {
continue;
}
cellX =mCells[i].getCenterX();
cellY =mCells[i].getCenterY();
float tempX = cellX - x;
float tempY = cellY - y;
float distance = (float) Math.sqrt(tempX * tempX + tempY * tempY);
if (distance
result = i;
break;
}
}
return result;
}
public interface OnClick {
void complete(String pass);
void moveimg(int length, String pass);
void error(int lenght, String pass);
}
}
