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前段时间因产品需求，做了一个手势密码，跟支付宝的手势密码类似，这里跟大家分享交流一下我实现的方式吧。

这篇来分享一下绘制手势密码的实现（主要是设置手势密码、校验手势密码）：

一、大致界面介绍：

图1                                                                                                                 图2

图3                                                                                                                图4

图1：手势密码绘制界面 【主要是绘制上方的9个提示图标和9个宫格密码图标】

图2：设置手势密码 【监听手势的输入，TouchEvent的事件处理，获取输入的手势密码，同时显示在上方的提示区域】

图3：再绘制一次，两次密码不一致提示界面 【这里在实现的时候，错误提示文字加了“左右晃动的动画”，错误路径颜色标记为红色】

图4：校验手势密码，输入的密码错误，给予红色路径+错误文字提示

二、实现思路：

1. 正上方的提示区域，用一个类(LockIndicator.java)来实现，自定义view来绘制9个提示图标；

2. 手势密码绘制区域，用一个类(GestureContentView.java)来实现，它继承自ViewGroup里面, 添加9个ImageView来表示图标, 在onLayout（）方法中设置它们的位置；

3. 手势路径绘制， 用一个类(GestureDrawline.java)来实现，复写onTouchEvent()方法，在这个方法里面监听TouchEvent事件: ACTION_DOWN、ACTION_MOVE、ACTION_UP事件，来绘制手势连接不同点之间的路径；

4. 9个点的对象，用一个类(GesturePoint.java)来实现，保存它的位置、状态、背景图片等相关信息；

5. 手势密码的获取，判断手指当前的位置，根据滑动路径经过的点，按顺序保存绘制的点的顺序(这里的点顺序从上到下分别是：1,2,3,4,5,6,7,8,9)，不能有重复的点。

三、代码实现步骤：

1.要用一个类来表示这9个点中的第一个点。里面保留有当前点的上下左右的各个位置等属性

2.自定义GroupView，用来装9个点，9个点的显示是通过ImageView。复写onLayout这个方法，让点按需求排列

3.定义一个可以画线的View，复写onTouchEvent方法，在这个方法里面进行画直线的操作

4.判断用户手指当前的位置，取出当前的位置去与那9个点中的每个点的位置进行比较，如果用户点的位置在某一个点之内，那么当那个点置换背景图片。

具体实现代码如下：

1. LockIndicator.java 图案提示类

package com.snda.fund.widget;

import com.snda.fund.R;

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.drawable.Drawable;
import android.os.PowerManager;
import android.text.TextUtils;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;

/**
 *
 * 手势密码图案提示
 * @author wulianghuan
 *
 */
public class LockIndicator extends View {
	private int numRow = 3;	// 行
	private int numColum = 3; // 列
	private int patternWidth = 40;
	private int patternHeight = 40;
	private int f = 5;
	private int g = 5;
	private int strokeWidth = 3;
	private Paint paint = null;
	private Drawable patternNoraml = null;
	private Drawable patternPressed = null;
	private String lockPassStr; // 手势密码

	public LockIndicator(Context paramContext) {
		super(paramContext);
	}

	public LockIndicator(Context paramContext, AttributeSet paramAttributeSet) {
		super(paramContext, paramAttributeSet, 0);
		paint = new Paint();
		paint.setAntiAlias(true);
		paint.setStrokeWidth(strokeWidth);
		paint.setStyle(Paint.Style.STROKE);
		patternNoraml = getResources().getDrawable(R.drawable.lock_pattern_node_normal);
		patternPressed = getResources().getDrawable(R.drawable.lock_pattern_node_pressed);
		if (patternPressed != null) {
			patternWidth = patternPressed.getIntrinsicWidth();
			patternHeight = patternPressed.getIntrinsicHeight();
			this.f = (patternWidth / 4);
			this.g = (patternHeight / 4);
			patternPressed.setBounds(0, 0, patternWidth, patternHeight);
			patternNoraml.setBounds(0, 0, patternWidth, patternHeight);
		}
	}

	@Override
	protected void onDraw(Canvas canvas) {
		if ((patternPressed == null) || (patternNoraml == null)) {
			return;
		}
		// 绘制3*3的图标
		for (int i = 0; i < numRow; i++) {
			for (int j = 0; j < numColum; j++) {
				paint.setColor(-16777216);
				int i1 = j * patternHeight + j * this.g;
				int i2 = i * patternWidth + i * this.f;
				canvas.save();
				canvas.translate(i1, i2);
				String curNum = String.valueOf(numColum * i + (j + 1));
				if (!TextUtils.isEmpty(lockPassStr)) {
					if (lockPassStr.indexOf(curNum) == -1) {
						// 未选中
						patternNoraml.draw(canvas);
					} else {
						// 被选中
						patternPressed.draw(canvas);
					}
				} else {
					// 重置状态
					patternNoraml.draw(canvas);
				}
				canvas.restore();
			}
		}
	}

	@Override
	protected void onMeasure(int paramInt1, int paramInt2) {
		if (patternPressed != null)
			setMeasuredDimension(numColum * patternHeight + this.g
					* (-1 + numColum), numRow * patternWidth + this.f
					* (-1 + numRow));
	}

	/**
	 * 请求重新绘制
	 * @param paramString 手势密码字符序列
	 */
	public void setPath(String paramString) {
		lockPassStr = paramString;
		invalidate();
	}

}

2. GestureContentView.java  手势密码容器类

它继承ViewGroup，通过addView()方法添加子viewe，手势密码的9个输入点(GesturePoint)、GestureDrawline手势密码路径都放在这个容器当中，下面是它的具体实现方法：

package com.wujay.fund.widget;

import java.util.ArrayList;
import java.util.List;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import com.wujay.fund.R;
import com.wujay.fund.common.AppUtil;
import com.wujay.fund.entity.GesturePoint;
import com.wujay.fund.widget.GestureDrawline.GestureCallBack;

/**
 * 手势密码容器类
 *
 */
public class GestureContentView extends ViewGroup {

	private int baseNum = 6;

	private int[] screenDispaly;

	/**
	 * 每个点区域的宽度
	 */
	private int blockWidth;
	/**
	 * 声明一个集合用来封装坐标集合
	 */
	private List<GesturePoint> list;
	private Context context;
	private boolean isVerify;
	private GestureDrawline gestureDrawline;

	/**
	 * 包含9个ImageView的容器，初始化
	 * @param context
	 * @param isVerify 是否为校验手势密码
	 * @param passWord 用户传入密码
	 * @param callBack 手势绘制完毕的回调
	 */
	public GestureContentView(Context context, boolean isVerify, String passWord, GestureCallBack callBack) {
		super(context);
		screenDispaly = AppUtil.getScreenDispaly(context);
		blockWidth = screenDispaly[0]/3;
		this.list = new ArrayList<GesturePoint>();
		this.context = context;
		this.isVerify = isVerify;
		// 添加9个图标
		addChild();
		// 初始化一个可以画线的view
		gestureDrawline = new GestureDrawline(context, list, isVerify, passWord, callBack);
	}

	private void addChild(){
		for (int i = 0; i < 9; i++) {
			ImageView image = new ImageView(context);
			image.setBackgroundResource(R.drawable.gesture_node_normal);
			this.addView(image);
			invalidate();
			// 第几行
			int row = i / 3;
			// 第几列
			int col = i % 3;
			// 定义点的每个属性
			int leftX = col*blockWidth+blockWidth/baseNum;
			int topY = row*blockWidth+blockWidth/baseNum;
			int rightX = col*blockWidth+blockWidth-blockWidth/baseNum;
			int bottomY = row*blockWidth+blockWidth-blockWidth/baseNum;
			GesturePoint p = new GesturePoint(leftX, rightX, topY, bottomY, image,i+1);
			this.list.add(p);
		}
	}

	public void setParentView(ViewGroup parent){
		// 得到屏幕的宽度
		int width = screenDispaly[0];
		LayoutParams layoutParams = new LayoutParams(width, width);
		this.setLayoutParams(layoutParams);
		gestureDrawline.setLayoutParams(layoutParams);
		parent.addView(gestureDrawline);
		parent.addView(this);
	}

	@Override
	protected void onLayout(boolean changed, int l, int t, int r, int b) {
		for (int i = 0; i < getChildCount(); i++) {
			//第几行
			int row = i/3;
			//第几列
			int col = i%3;
			View v = getChildAt(i);
			v.layout(col*blockWidth+blockWidth/baseNum, row*blockWidth+blockWidth/baseNum,
					col*blockWidth+blockWidth-blockWidth/baseNum, row*blockWidth+blockWidth-blockWidth/baseNum);
		}
	}

	@Override
	protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
		super.onMeasure(widthMeasureSpec, heightMeasureSpec);
		// 遍历设置每个子view的大小
        for (int i = 0; i < getChildCount(); i++) {
            View v = getChildAt(i);
            v.measure(widthMeasureSpec, heightMeasureSpec);
        }
	}

	/**
	 * 保留路径delayTime时间长
	 * @param delayTime
	 */
	public void clearDrawlineState(long delayTime) {
		gestureDrawline.clearDrawlineState(delayTime);
	}

}

3. GestureDrawline.java 手势密码路径绘制类

根据OnTouchEvent方法的不同事件，ACTION_DOWN、ACTION_MOVE、ACTION_UP分别处理不同的逻辑。

package com.wujay.fund.widget;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import com.wujay.fund.common.AppUtil;
import com.wujay.fund.common.Constants;
import com.wujay.fund.entity.GesturePoint;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.PorterDuff;
import android.os.Handler;
import android.util.Log;
import android.util.Pair;
import android.view.MotionEvent;
import android.view.View;
import android.widget.Toast;

/**
 * 手势密码路径绘制
 *
 */
public class GestureDrawline extends View {
	private int mov_x;// 声明起点坐标
	private int mov_y;
	private Paint paint;// 声明画笔
	private Canvas canvas;// 画布
	private Bitmap bitmap;// 位图
	private List<GesturePoint> list;// 装有各个view坐标的集合
	private List<Pair<GesturePoint, GesturePoint>> lineList;// 记录画过的线
	private Map<String, GesturePoint> autoCheckPointMap;// 自动选中的情况点
	private boolean isDrawEnable = true; // 是否允许绘制

	/**
	 * 屏幕的宽度和高度
	 */
	private int[] screenDispaly;

	/**
	 * 手指当前在哪个Point内
	 */
	private GesturePoint currentPoint;
	/**
	 * 用户绘图的回调
	 */
	private GestureCallBack callBack;

	/**
	 * 用户当前绘制的图形密码
	 */
	private StringBuilder passWordSb;

	/**
	 * 是否为校验
	 */
	private boolean isVerify;

	/**
	 * 用户传入的passWord
	 */
	private String passWord;

	public GestureDrawline(Context context, List<GesturePoint> list, boolean isVerify,
			String passWord, GestureCallBack callBack) {
		super(context);
		screenDispaly = AppUtil.getScreenDispaly(context);
		paint = new Paint(Paint.DITHER_FLAG);// 创建一个画笔
		bitmap = Bitmap.createBitmap(screenDispaly[0], screenDispaly[0], Bitmap.Config.ARGB_8888); // 设置位图的宽高
		canvas = new Canvas();
		canvas.setBitmap(bitmap);
		paint.setStyle(Style.STROKE);// 设置非填充
		paint.setStrokeWidth(10);// 笔宽5像素
		paint.setColor(Color.rgb(245, 142, 33));// 设置默认连线颜色
		paint.setAntiAlias(true);// 不显示锯齿

		this.list = list;
		this.lineList = new ArrayList<Pair<GesturePoint, GesturePoint>>();

		initAutoCheckPointMap();
		this.callBack = callBack;

		// 初始化密码缓存
		this.isVerify = isVerify;
		this.passWordSb = new StringBuilder();
		this.passWord = passWord;
	}

	private void initAutoCheckPointMap() {
		autoCheckPointMap = new HashMap<String,GesturePoint>();
		autoCheckPointMap.put("1,3", getGesturePointByNum(2));
		autoCheckPointMap.put("1,7", getGesturePointByNum(4));
		autoCheckPointMap.put("1,9", getGesturePointByNum(5));
		autoCheckPointMap.put("2,8", getGesturePointByNum(5));
		autoCheckPointMap.put("3,7", getGesturePointByNum(5));
		autoCheckPointMap.put("3,9", getGesturePointByNum(6));
		autoCheckPointMap.put("4,6", getGesturePointByNum(5));
		autoCheckPointMap.put("7,9", getGesturePointByNum(8));
	}

	private GesturePoint getGesturePointByNum(int num) {
		for (GesturePoint point : list) {
			if (point.getNum() == num) {
				return point;
			}
		}
		return null;
	}

	// 画位图
	@Override
	protected void onDraw(Canvas canvas) {
		// super.onDraw(canvas);
		canvas.drawBitmap(bitmap, 0, 0, null);
	}

	// 触摸事件
	@Override
	public boolean onTouchEvent(MotionEvent event) {
		if (isDrawEnable == false) {
			// 当期不允许绘制
			return true;
		}
		paint.setColor(Color.rgb(245, 142, 33));// 设置默认连线颜色
		switch (event.getAction()) {
		case MotionEvent.ACTION_DOWN:
			mov_x = (int) event.getX();
			mov_y = (int) event.getY();
			// 判断当前点击的位置是处于哪个点之内
			currentPoint = getPointAt(mov_x, mov_y);
			if (currentPoint != null) {
				currentPoint.setPointState(Constants.POINT_STATE_SELECTED);
				passWordSb.append(currentPoint.getNum());
			}
			// canvas.drawPoint(mov_x, mov_y, paint);// 画点
			invalidate();
			break;
		case MotionEvent.ACTION_MOVE:
			clearScreenAndDrawList();

			// 得到当前移动位置是处于哪个点内
			GesturePoint pointAt = getPointAt((int) event.getX(), (int) event.getY());
			// 代表当前用户手指处于点与点之前
			if (currentPoint == null && pointAt == null) {
				return true;
			} else {// 代表用户的手指移动到了点上
				if (currentPoint == null) {// 先判断当前的point是不是为null
					// 如果为空，那么把手指移动到的点赋值给currentPoint
					currentPoint = pointAt;
					// 把currentPoint这个点设置选中为true;
					currentPoint.setPointState(Constants.POINT_STATE_SELECTED);
					passWordSb.append(currentPoint.getNum());
				}
			}
			if (pointAt == null || currentPoint.equals(pointAt) || Constants.POINT_STATE_SELECTED == pointAt.getPointState()) {
				// 点击移动区域不在圆的区域，或者当前点击的点与当前移动到的点的位置相同，或者当前点击的点处于选中状态
				// 那么以当前的点中心为起点，以手指移动位置为终点画线
				canvas.drawLine(currentPoint.getCenterX(), currentPoint.getCenterY(), event.getX(), event.getY(), paint);// 画线
			} else {
				// 如果当前点击的点与当前移动到的点的位置不同
				// 那么以前前点的中心为起点，以手移动到的点的位置画线
				canvas.drawLine(currentPoint.getCenterX(), currentPoint.getCenterY(), pointAt.getCenterX(), pointAt.getCenterY(), paint);// 画线
				pointAt.setPointState(Constants.POINT_STATE_SELECTED);

				// 判断是否中间点需要选中
				GesturePoint betweenPoint = getBetweenCheckPoint(currentPoint, pointAt);
				if (betweenPoint != null && Constants.POINT_STATE_SELECTED != betweenPoint.getPointState()) {
					// 存在中间点并且没有被选中
					Pair<GesturePoint, GesturePoint> pair1 = new Pair<GesturePoint, GesturePoint>(currentPoint, betweenPoint);
					lineList.add(pair1);
					passWordSb.append(betweenPoint.getNum());
					Pair<GesturePoint, GesturePoint> pair2 = new Pair<GesturePoint, GesturePoint>(betweenPoint, pointAt);
					lineList.add(pair2);
					passWordSb.append(pointAt.getNum());
					// 设置中间点选中
					betweenPoint.setPointState(Constants.POINT_STATE_SELECTED);
					// 赋值当前的point;
					currentPoint = pointAt;
				} else {
					Pair<GesturePoint, GesturePoint> pair = new Pair<GesturePoint, GesturePoint>(currentPoint, pointAt);
					lineList.add(pair);
					passWordSb.append(pointAt.getNum());
					// 赋值当前的point;
					currentPoint = pointAt;
				}
			}
			invalidate();
			break;
		case MotionEvent.ACTION_UP:// 当手指抬起的时候
			if (isVerify) {
				// 手势密码校验
				// 清掉屏幕上所有的线，只画上集合里面保存的线
				if (passWord.equals(passWordSb.toString())) {
					// 代表用户绘制的密码手势与传入的密码相同
					callBack.checkedSuccess();
				} else {
					// 用户绘制的密码与传入的密码不同。
					callBack.checkedFail();
				}
			} else {
				callBack.onGestureCodeInput(passWordSb.toString());
			}
			break;
		default:
			break;
		}
		return true;
	}

	/**
	 * 指定时间去清除绘制的状态
	 * @param delayTime 延迟执行时间
	 */
	public void clearDrawlineState(long delayTime) {
		if (delayTime > 0) {
			// 绘制红色提示路线
			isDrawEnable = false;
			drawErrorPathTip();
		}
		new Handler().postDelayed(new clearStateRunnable(), delayTime);
	}

	/**
	 * 清除绘制状态的线程
	 */
	final class clearStateRunnable implements Runnable {
		public void run() {
			// 重置passWordSb
			passWordSb = new StringBuilder();
			// 清空保存点的集合
			lineList.clear();
			// 重新绘制界面
			clearScreenAndDrawList();
			for (GesturePoint p : list) {
				p.setPointState(Constants.POINT_STATE_NORMAL);
			}
			invalidate();
			isDrawEnable = true;
		}
	}

	/**
	 * 通过点的位置去集合里面查找这个点是包含在哪个Point里面的
	 *
	 * @param x
	 * @param y
	 * @return 如果没有找到，则返回null，代表用户当前移动的地方属于点与点之间
	 */
	private GesturePoint getPointAt(int x, int y) {

		for (GesturePoint point : list) {
			// 先判断x
			int leftX = point.getLeftX();
			int rightX = point.getRightX();
			if (!(x >= leftX && x < rightX)) {
				// 如果为假，则跳到下一个对比
				continue;
			}

			int topY = point.getTopY();
			int bottomY = point.getBottomY();
			if (!(y >= topY && y < bottomY)) {
				// 如果为假，则跳到下一个对比
				continue;
			}

			// 如果执行到这，那么说明当前点击的点的位置在遍历到点的位置这个地方
			return point;
		}

		return null;
	}

	private GesturePoint getBetweenCheckPoint(GesturePoint pointStart, GesturePoint pointEnd) {
		int startNum = pointStart.getNum();
		int endNum = pointEnd.getNum();
		String key = null;
		if (startNum < endNum) {
			key = startNum + "," + endNum;
		} else {
			key = endNum + "," + startNum;
		}
		return autoCheckPointMap.get(key);
	}

	/**
	 * 清掉屏幕上所有的线，然后画出集合里面的线
	 */
	private void clearScreenAndDrawList() {
		canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
		for (Pair<GesturePoint, GesturePoint> pair : lineList) {
			canvas.drawLine(pair.first.getCenterX(), pair.first.getCenterY(),
					pair.second.getCenterX(), pair.second.getCenterY(), paint);// 画线
		}
	}

	/**
	 * 校验错误/两次绘制不一致提示
	 */
	private void drawErrorPathTip() {
		canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);
		paint.setColor(Color.rgb(154, 7, 21));// 设置默认线路颜色
		for (Pair<GesturePoint, GesturePoint> pair : lineList) {
			pair.first.setPointState(Constants.POINT_STATE_WRONG);
			pair.second.setPointState(Constants.POINT_STATE_WRONG);
			canvas.drawLine(pair.first.getCenterX(), pair.first.getCenterY(),
					pair.second.getCenterX(), pair.second.getCenterY(), paint);// 画线
		}
		invalidate();
	}

	public interface GestureCallBack {

		/**
		 * 用户设置/输入了手势密码
		 */
		public abstract void onGestureCodeInput(String inputCode);

		/**
		 * 代表用户绘制的密码与传入的密码相同
		 */
		public abstract void checkedSuccess();

		/**
		 * 代表用户绘制的密码与传入的密码不相同
		 */
		public abstract void checkedFail();
	}

}

4.GestureEditActivity.java 手势密码设置界面

手势密码设置

代码如下：

package com.wujay.fund;

import com.wujay.fund.R;
import android.app.Activity;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.text.Html;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.FrameLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.wujay.fund.common.Constants;
import com.wujay.fund.widget.GestureContentView;
import com.wujay.fund.widget.GestureDrawline.GestureCallBack;
import com.wujay.fund.widget.LockIndicator;

/**
 *
 * 手势密码设置界面
 *
 */
public class GestureEditActivity extends Activity implements OnClickListener {
	/** 手机号码*/
	public static final String PARAM_PHONE_NUMBER = "PARAM_PHONE_NUMBER";
	/** 意图 */
	public static final String PARAM_INTENT_CODE = "PARAM_INTENT_CODE";
	/** 首次提示绘制手势密码，可以选择跳过 */
	public static final String PARAM_IS_FIRST_ADVICE = "PARAM_IS_FIRST_ADVICE";
	private TextView mTextTitle;
	private TextView mTextCancel;
	private LockIndicator mLockIndicator;
	private TextView mTextTip;
	private FrameLayout mGestureContainer;
	private GestureContentView mGestureContentView;
	private TextView mTextReset;
	private String mParamSetUpcode = null;
	private String mParamPhoneNumber;
	private boolean mIsFirstInput = true;
	private String mFirstPassword = null;
	private String mConfirmPassword = null;
	private int mParamIntentCode;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_gesture_edit);
		setUpViews();
		setUpListeners();
	}

	private void setUpViews() {
		mTextTitle = (TextView) findViewById(R.id.text_title);
		mTextCancel = (TextView) findViewById(R.id.text_cancel);
		mTextReset = (TextView) findViewById(R.id.text_reset);
		mTextReset.setClickable(false);
		mLockIndicator = (LockIndicator) findViewById(R.id.lock_indicator);
		mTextTip = (TextView) findViewById(R.id.text_tip);
		mGestureContainer = (FrameLayout) findViewById(R.id.gesture_container);
		// 初始化一个显示各个点的viewGroup
		mGestureContentView = new GestureContentView(this, false, "", new GestureCallBack() {
			@Override
			public void onGestureCodeInput(String inputCode) {
				if (!isInputPassValidate(inputCode)) {
					mTextTip.setText(Html.fromHtml("<font color='#c70c1e'>最少链接4个点, 请重新输入</font>"));
					mGestureContentView.clearDrawlineState(0L);
					return;
				}
				if (mIsFirstInput) {
					mFirstPassword = inputCode;
					updateCodeList(inputCode);
					mGestureContentView.clearDrawlineState(0L);
					mTextReset.setClickable(true);
					mTextReset.setText(getString(R.string.reset_gesture_code));
				} else {
					if (inputCode.equals(mFirstPassword)) {
							Toast.makeText(GestureEditActivity.this, "设置成功", Toast.LENGTH_SHORT).show();
						mGestureContentView.clearDrawlineState(0L);
						GestureEditActivity.this.finish();
					} else {
						mTextTip.setText(Html.fromHtml("<font color='#c70c1e'>与上一次绘制不一致，请重新绘制</font>"));
						// 左右移动动画
						Animation shakeAnimation = AnimationUtils.loadAnimation(GestureEditActivity.this, R.anim.shake);
						mTextTip.startAnimation(shakeAnimation);
						// 保持绘制的线，1.5秒后清除
						mGestureContentView.clearDrawlineState(1300L);
					}
				}
				mIsFirstInput = false;
			}

			@Override
			public void checkedSuccess() {

			}

			@Override
			public void checkedFail() {

			}
		});
		// 设置手势解锁显示到哪个布局里面
		mGestureContentView.setParentView(mGestureContainer);
		updateCodeList("");
	}

	private void setUpListeners() {
		mTextCancel.setOnClickListener(this);
		mTextReset.setOnClickListener(this);
	}

	private void updateCodeList(String inputCode) {
		// 更新选择的图案
		mLockIndicator.setPath(inputCode);
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.text_cancel:
			this.finish();
			break;
		case R.id.text_reset:
			mIsFirstInput = true;
			updateCodeList("");
			mTextTip.setText(getString(R.string.set_gesture_pattern));
			break;
		default:
			break;
		}
	}

	private boolean isInputPassValidate(String inputPassword) {
		if (TextUtils.isEmpty(inputPassword) || inputPassword.length() < 4) {
			return false;
		}
		return true;
	}

}

5. GestureVerifyActivity.java 手势密码校验界面

代码如下：

package com.wujay.fund;

import com.wujay.fund.R;
import com.wujay.fund.widget.GestureContentView;
import com.wujay.fund.widget.GestureDrawline.GestureCallBack;
import android.app.Activity;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.os.Bundle;
import android.text.Html;
import android.text.TextUtils;
import android.view.KeyEvent;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;

/**
 *
 * 手势绘制/校验界面
 *
 */
public class GestureVerifyActivity extends Activity implements android.view.View.OnClickListener {
	/** 手机号码*/
	public static final String PARAM_PHONE_NUMBER = "PARAM_PHONE_NUMBER";
	/** 意图 */
	public static final String PARAM_INTENT_CODE = "PARAM_INTENT_CODE";
	private RelativeLayout mTopLayout;
	private TextView mTextTitle;
	private TextView mTextCancel;
	private ImageView mImgUserLogo;
	private TextView mTextPhoneNumber;
	private TextView mTextTip;
	private FrameLayout mGestureContainer;
	private GestureContentView mGestureContentView;
	private TextView mTextForget;
	private TextView mTextOther;
	private String mParamPhoneNumber;
	private long mExitTime = 0;
	private int mParamIntentCode;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_gesture_verify);
		ObtainExtraData();
		setUpViews();
		setUpListeners();
	}

	private void ObtainExtraData() {
		mParamPhoneNumber = getIntent().getStringExtra(PARAM_PHONE_NUMBER);
		mParamIntentCode = getIntent().getIntExtra(PARAM_INTENT_CODE, 0);
	}

	private void setUpViews() {
		mTopLayout = (RelativeLayout) findViewById(R.id.top_layout);
		mTextTitle = (TextView) findViewById(R.id.text_title);
		mTextCancel = (TextView) findViewById(R.id.text_cancel);
		mImgUserLogo = (ImageView) findViewById(R.id.user_logo);
		mTextPhoneNumber = (TextView) findViewById(R.id.text_phone_number);
		mTextTip = (TextView) findViewById(R.id.text_tip);
		mGestureContainer = (FrameLayout) findViewById(R.id.gesture_container);
		mTextForget = (TextView) findViewById(R.id.text_forget_gesture);
		mTextOther = (TextView) findViewById(R.id.text_other_account);

		// 初始化一个显示各个点的viewGroup
		mGestureContentView = new GestureContentView(this, true, "1235789",
				new GestureCallBack() {

					@Override
					public void onGestureCodeInput(String inputCode) {

					}

					@Override
					public void checkedSuccess() {
						mGestureContentView.clearDrawlineState(0L);
						Toast.makeText(GestureVerifyActivity.this, "密码正确", 1000).show();
						GestureVerifyActivity.this.finish();
					}

					@Override
					public void checkedFail() {
						mGestureContentView.clearDrawlineState(1300L);
						mTextTip.setVisibility(View.VISIBLE);
						mTextTip.setText(Html
								.fromHtml("<font color='#c70c1e'>密码错误</font>"));
						// 左右移动动画
						Animation shakeAnimation = AnimationUtils.loadAnimation(GestureVerifyActivity.this, R.anim.shake);
						mTextTip.startAnimation(shakeAnimation);
					}
				});
		// 设置手势解锁显示到哪个布局里面
		mGestureContentView.setParentView(mGestureContainer);
	}

	private void setUpListeners() {
		mTextCancel.setOnClickListener(this);
		mTextForget.setOnClickListener(this);
		mTextOther.setOnClickListener(this);
	}

	private String getProtectedMobile(String phoneNumber) {
		if (TextUtils.isEmpty(phoneNumber) || phoneNumber.length() < 11) {
			return "";
		}
		StringBuilder builder = new StringBuilder();
		builder.append(phoneNumber.subSequence(0,3));
		builder.append("****");
		builder.append(phoneNumber.subSequence(7,11));
		return builder.toString();
	}

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.text_cancel:
			this.finish();
			break;
		default:
			break;
		}
	}

}

以上是手势密码实现的关键代码，我把项目中的模块代码整理出来，新建了一个project，供大家分享和交流

源码下载地址：

源码下载地址：http://download.csdn.net/detail/wulianghuan/8115667