switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:pinfs.add(new PointF(event.getX(),event.getY()));break;
case MotionEvent.ACTION_MOVE:pinfs.add(new PointF(event.getX(),event.getY()));break;
case MotionEvent.ACTION_UP:invalidate();break;
}然后在 @Override
protected void onDraw(Canvas canvas) {for (PointF point : pinfs) {这里绘制人物移动}}

    class CustomView1 extends View{private Paint paint;private ArrayList<PointF> graphics = new ArrayList<PointF>();private Paint  lPaint;private Path   mPath;private  int of = 0;private Boolean over =false;private float mX, mY;private static final float TOUCH_TOLERANCE = 4;public CustomView1(Context context) {super(context);paint = new Paint(Paint.ANTI_ALIAS_FLAG);paint.setColor(Color.RED);paint.setStrokeJoin(Paint.Join.ROUND);paint.setStrokeCap(Paint.Cap.ROUND);paint.setStrokeWidth(65);lPaint = new Paint(Paint.ANTI_ALIAS_FLAG);lPaint.setColor(Color.BLACK);lPaint.setStyle(Paint.Style.STROKE);//空心
            lPaint.setStrokeJoin(Paint.Join.ROUND);lPaint.setStrokeCap(Paint.Cap.ROUND);lPaint.setStrokeWidth(5);mPath = new Path();}@Overridepublic boolean onTouchEvent(MotionEvent event) {float x = event.getX();float y = event.getY();switch (event.getAction()) {case MotionEvent.ACTION_DOWN:over = false;graphics.clear();of=0;graphics.add(new PointF(x, y));touch_start(x, y);invalidate();break;case MotionEvent.ACTION_MOVE:graphics.add(new PointF(x, y));touch_move(x, y);invalidate();break;case MotionEvent.ACTION_UP:over = true;touch_up();invalidate();break;}return true;}private void touch_start(float x, float y) {mPath.reset();mPath.moveTo(x, y);mX = x;mY = y;}private void touch_move(float x, float y) {float dx = Math.abs(x - mX);float dy = Math.abs(y - mY);if (dx >= TOUCH_TOLERANCE || dy >= TOUCH_TOLERANCE) {mPath.quadTo(mX, mY, (x + mX)/2, (y + mY)/2);mX = x;mY = y;}}private void touch_up() {mPath.lineTo(mX, mY);}@Overrideprotected void onDraw(Canvas canvas) {//    canvas.drawColor(Color.TRANSPARENT,Mode.CLEAR);canvas.drawColor(Color.WHITE);//清理
            canvas.drawPath(mPath, lPaint);if(over&&graphics.size()>0){canvas.drawPoint(graphics.get(of).x, graphics.get(of).y, paint);of+=1;if(of<graphics.size()){if(of==graphics.size()-1){mPath.reset();//移动完成后移除线条
                    }invalidate();}}}}