android 图形解锁源码

package com.duome.locus; import java.util.ArrayList; import java.util.List; import java.util.Timer; import java.util.TimerTask; import android.content.Context; import android.content.SharedPreferences; import android.content.SharedPreferences.Editor; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Canvas; import android.graphics.Matrix; import android.graphics.Paint; import android.util.AttributeSet; import android.util.Log; import android.view.MotionEvent; import android.view.View; import android.widget.Toast; import com.uucrazy.lib.utils.BitmapUtil; import com.uucrazy.lib.utils.MathUtil; import com.uucrazy.lib.utils.RoundUtil; import com.uucrazy.lib.utils.StringUtil; /** * * 轨迹密码 * * @author [email protected] * */ public class LocusPassWordView extends View { private float w = 0; private float h = 0; // private boolean isCache = false; // private Paint mPaint = new Paint(Paint.ANTI_ALIAS_FLAG); // private Point[][] mPoints = new Point[3][3]; // 圆的半径 private float r = 0; // 选中的点 private List<Point> sPoints = new ArrayList<Point>(); private boolean checking = false; private Bitmap locus_round_original; private Bitmap locus_round_click; private Bitmap locus_round_click_error; private Bitmap locus_line; private Bitmap locus_line_semicircle; private Bitmap locus_line_semicircle_error; private Bitmap locus_arrow; private Bitmap locus_line_error; private long CLEAR_TIME = 800; private int passwordMinLength = 5; private boolean isTouch = true; // 是否可操作 private Matrix mMatrix = new Matrix(); private int lineAlpha = 100; public LocusPassWordView(Context context, AttributeSet attrs, int defStyle) { super(context, attrs, defStyle); } public LocusPassWordView(Context context, AttributeSet attrs) { super(context, attrs); } public LocusPassWordView(Context context) { super(context); } @Override public void onDraw(Canvas canvas) { if (!isCache) { initCache(); } drawToCanvas(canvas); } private void drawToCanvas(Canvas canvas) { // mPaint.setColor(Color.RED); // Point p1 = mPoints[1][1]; // Rect r1 = new Rect(p1.x - r,p1.y - r,p1.x + // locus_round_click.getWidth() - r,p1.y+locus_round_click.getHeight()- // r); // canvas.drawRect(r1, mPaint); // 画所有点 for (int i = 0; i < mPoints.length; i++) { for (int j = 0; j < mPoints[i].length; j++) { Point p = mPoints[i][j]; if (p.state == Point.STATE_CHECK) { canvas.drawBitmap(locus_round_click, p.x - r, p.y - r, mPaint); } else if (p.state == Point.STATE_CHECK_ERROR) { canvas.drawBitmap(locus_round_click_error, p.x - r, p.y - r, mPaint); } else { canvas.drawBitmap(locus_round_original, p.x - r, p.y - r, mPaint); } } } // mPaint.setColor(Color.BLUE); // canvas.drawLine(r1.left+r1.width()/2, r1.top, r1.left+r1.width()/2, // r1.bottom, mPaint); // canvas.drawLine(r1.left, r1.top+r1.height()/2, r1.right, // r1.bottom-r1.height()/2, mPaint); // 画连线 if (sPoints.size() > 0) { int tmpAlpha = mPaint.getAlpha(); mPaint.setAlpha(lineAlpha); Point tp = sPoints.get(0); for (int i = 1; i < sPoints.size(); i++) { Point p = sPoints.get(i); drawLine(canvas, tp, p); tp = p; } if (this.movingNoPoint) { drawLine(canvas, tp, new Point((int) moveingX, (int) moveingY)); } mPaint.setAlpha(tmpAlpha); lineAlpha = mPaint.getAlpha(); } } /** * 初始化Cache信息 * * @param canvas */ private void initCache() { w = this.getWidth(); h = this.getHeight(); float x = 0; float y = 0; // 以最小的为准 // 纵屏 if (w > h) { x = (w - h) / 2; w = h; } // 横屏 else { y = (h - w) / 2; h = w; } locus_round_original = BitmapFactory.decodeResource(this.getResources(), R.drawable.locus_round_original); locus_round_click = BitmapFactory.decodeResource(this.getResources(), R.drawable.locus_round_click); locus_round_click_error = BitmapFactory.decodeResource(this.getResources(), R.drawable.locus_round_click_error); locus_line = BitmapFactory.decodeResource(this.getResources(), R.drawable.locus_line); locus_line_semicircle = BitmapFactory.decodeResource(this.getResources(), R.drawable.locus_line_semicircle); locus_line_error = BitmapFactory.decodeResource(this.getResources(), R.drawable.locus_line_error); locus_line_semicircle_error = BitmapFactory.decodeResource(this.getResources(), R.drawable.locus_line_semicircle_error); locus_arrow = BitmapFactory.decodeResource(this.getResources(), R.drawable.locus_arrow); // Log.d("Canvas w h :", "w:" + w + " h:" + h); // 计算圆圈图片的大小 float canvasMinW = w; if (w > h) { canvasMinW = h; } float roundMinW = canvasMinW / 8.0f * 2; float roundW = roundMinW / 2.f; // float deviation = canvasMinW % (8 * 2) / 2; x += deviation; x += deviation; if (locus_round_original.getWidth() > roundMinW) { float sf = roundMinW * 1.0f / locus_round_original.getWidth(); // 取得缩放比例，将所有的图片进行缩放 locus_round_original = BitmapUtil.zoom(locus_round_original, sf); locus_round_click = BitmapUtil.zoom(locus_round_click, sf); locus_round_click_error = BitmapUtil.zoom(locus_round_click_error, sf); locus_line = BitmapUtil.zoom(locus_line, sf); locus_line_semicircle = BitmapUtil.zoom(locus_line_semicircle, sf); locus_line_error = BitmapUtil.zoom(locus_line_error, sf); locus_line_semicircle_error = BitmapUtil.zoom(locus_line_semicircle_error, sf); locus_arrow = BitmapUtil.zoom(locus_arrow, sf); roundW = locus_round_original.getWidth() / 2; } mPoints[0][0] = new Point(x + 0 + roundW, y + 0 + roundW); mPoints[0][1] = new Point(x + w / 2, y + 0 + roundW); mPoints[0][2] = new Point(x + w - roundW, y + 0 + roundW); mPoints[1][0] = new Point(x + 0 + roundW, y + h / 2); mPoints[1][1] = new Point(x + w / 2, y + h / 2); mPoints[1][2] = new Point(x + w - roundW, y + h / 2); mPoints[2][0] = new Point(x + 0 + roundW, y + h - roundW); mPoints[2][1] = new Point(x + w / 2, y + h - roundW); mPoints[2][2] = new Point(x + w - roundW, y + h - roundW); int k = 0; for (Point[] ps : mPoints) { for (Point p : ps) { p.index = k; k++; } } r = locus_round_original.getHeight() / 2;// roundW; isCache = true; } /** * 画两点的连接 * * @param canvas * @param a * @param b */ private void drawLine(Canvas canvas, Point a, Point b) { float ah = (float) MathUtil.distance(a.x, a.y, b.x, b.y); float degrees = getDegrees(a, b); // Log.d("=============x===========", "rotate:" + degrees); canvas.rotate(degrees, a.x, a.y); if (a.state == Point.STATE_CHECK_ERROR) { mMatrix.setScale((ah - locus_line_semicircle_error.getWidth()) / locus_line_error.getWidth(), 1); mMatrix.postTranslate(a.x, a.y - locus_line_error.getHeight() / 2.0f); canvas.drawBitmap(locus_line_error, mMatrix, mPaint); canvas.drawBitmap(locus_line_semicircle_error, a.x + locus_line_error.getWidth(), a.y - locus_line_error.getHeight() / 2.0f, mPaint); } else { mMatrix.setScale((ah - locus_line_semicircle.getWidth()) / locus_line.getWidth(), 1); mMatrix.postTranslate(a.x, a.y - locus_line.getHeight() / 2.0f); canvas.drawBitmap(locus_line, mMatrix, mPaint); canvas.drawBitmap(locus_line_semicircle, a.x + ah - locus_line_semicircle.getWidth(), a.y - locus_line.getHeight() / 2.0f, mPaint); } canvas.drawBitmap(locus_arrow, a.x, a.y - locus_arrow.getHeight() / 2.0f, mPaint); canvas.rotate(-degrees, a.x, a.y); } public float getDegrees(Point a, Point b) { float ax = a.x;// a.index % 3; float ay =