Android手势密码实现方案

jopen 11年前

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:http://download.csdn.net/detail/wulianghuan/8115995

来源:wulianghuan的专栏