Android手勢密碼實現


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二、實現思路:

1. 正上方的提示區域,用一個類(LockIndicator.java)來實現,自定義view來繪制9個提示圖標;

2. 手勢密碼繪制區域,用一個類(GestureContentView.java)來實現,它繼承自ViewGroup里面, 添加9個ImageView來表示圖標, 在onLayout()方法中設置它們的位置;

3. 手勢路徑繪制, 用一個類(GestureDrawline.java)來實現,復寫onTouchEvent()方法,在這個方法里面監聽TouchEvent事件: ACTION_DOWN、ACTION_MOVE、ACTION_UP事件,來繪制手勢連接不同點之間的路徑;

4. 9個點的對象,用一個類(GesturePoint.java)來實現,保存它的位置、狀態、背景圖片等相關信息;

5. 手勢密碼的獲取,判斷手指當前的位置,根據滑動路徑經過的點,按順序保存繪制的點的順序(這里的點順序從上到下分別是:1,2,3,4,5,6,7,8,9),不能有重復的點。

 

三、代碼實現步驟:

1.要用一個類來表示這9個點中的第一個點。里面保留有當前點的上下左右的各個位置等屬性

2.自定義GroupView,用來裝9個點,9個點的顯示是通過ImageView。復寫onLayout這個方法,讓點按需求排列

3.定義一個可以畫線的View,復寫onTouchEvent方法,在這個方法里面進行畫直線的操作

4.判斷用戶手指當前的位置,取出當前的位置去與那9個點中的每個點的位置進行比較,如果用戶點的位置在某一個點之內,那么當那個點置換背景圖片。

具體實現代碼如下:

1.LockIndicator.java 圖案提示類

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;  
  
/** 
 *  
 * 手勢密碼圖案提示 
 * @author ganchuanpu
 * 
 */  
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; // 手勢密碼  
  
    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;  
        }  
        // 繪制3*3的圖標  
        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) {  
                        // 未選中  
                        patternNoraml.draw(canvas);  
                    } else {  
                        // 被選中  
                        patternPressed.draw(canvas);  
                    }  
                } else {  
                    // 重置狀態  
                    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));  
    }  
  
    /** 
     * 請求重新繪制 
     * @param paramString 手勢密碼字符序列 
     */  
    public void setPath(String paramString) {  
        lockPassStr = paramString;  
        invalidate();  
    }  
  
}  

2.GestureContentView.java  手勢密碼容器類

它繼承ViewGroup,通過addView()方法添加子view,手勢密碼的9個輸入點(GesturePoint)、GestureDrawline手勢密碼路徑都放在這個容器當中,下面是它的具體實現方法:

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;  
  
/** 
 * 手勢密碼容器類 
 * 
 */  
public class GestureContentView extends ViewGroup {  
  
    private int baseNum = 6;  
  
    private int[] screenDispaly;  
  
    /** 
     * 每個點區域的寬度 
     */  
    private int blockWidth;  
    /** 
     * 聲明一個集合用來封裝坐標集合 
     */  
    private List<GesturePoint> list;  
    private Context context;  
    private boolean isVerify;  
    private GestureDrawline gestureDrawline;  
  
    /** 
     * 包含9個ImageView的容器,初始化 
     * @param context 
     * @param isVerify 是否為校驗手勢密碼 
     * @param passWord 用戶傳入密碼 
     * @param callBack 手勢繪制完畢的回調 
     */  
    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個圖標  
        addChild();  
        // 初始化一個可以畫線的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();  
            // 第幾行  
            int row = i / 3;  
            // 第幾列  
            int col = i % 3;  
            // 定義點的每個屬性  
            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){  
        // 得到屏幕的寬度  
        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++) {  
            //第幾行  
            int row = i/3;  
            //第幾列  
            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);  
        // 遍歷設置每個子view的大小  
        for (int i = 0; i < getChildCount(); i++) {  
            View v = getChildAt(i);  
            v.measure(widthMeasureSpec, heightMeasureSpec);  
        }  
    }  
  
    /** 
     * 保留路徑delayTime時間長 
     * @param delayTime 
     */  
    public void clearDrawlineState(long delayTime) {  
        gestureDrawline.clearDrawlineState(delayTime);  
    }  
  
}  

3.GestureDrawline.java 手勢密碼路徑繪制類

根據OnTouchEvent方法的不同事件,ACTION_DOWN、ACTION_MOVE、ACTION_UP分別處理不同的邏輯。

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;  
  
/** 
 * 手勢密碼路徑繪制 
 * 
 */  
public class GestureDrawline extends View {  
    private int mov_x;// 聲明起點坐標  
    private int mov_y;  
    private Paint paint;// 聲明畫筆  
    private Canvas canvas;// 畫布  
    private Bitmap bitmap;// 位圖  
    private List<GesturePoint> list;// 裝有各個view坐標的集合  
    private List<Pair<GesturePoint, GesturePoint>> lineList;// 記錄畫過的線  
    private Map<String, GesturePoint> autoCheckPointMap;// 自動選中的情況點  
    private boolean isDrawEnable = true; // 是否允許繪制  
  
    /** 
     * 屏幕的寬度和高度 
     */  
    private int[] screenDispaly;  
  
    /** 
     * 手指當前在哪個Point內 
     */  
    private GesturePoint currentPoint;  
    /** 
     * 用戶繪圖的回調 
     */  
    private GestureCallBack callBack;  
  
    /** 
     * 用戶當前繪制的圖形密碼 
     */  
    private StringBuilder passWordSb;  
  
    /** 
     * 是否為校驗 
     */  
    private boolean isVerify;  
  
    /** 
     * 用戶傳入的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);// 創建一個畫筆  
        bitmap = Bitmap.createBitmap(screenDispaly[0], screenDispaly[0], Bitmap.Config.ARGB_8888); // 設置位圖的寬高  
        canvas = new Canvas();  
        canvas.setBitmap(bitmap);  
        paint.setStyle(Style.STROKE);// 設置非填充  
        paint.setStrokeWidth(10);// 筆寬5像素  
        paint.setColor(Color.rgb(245, 142, 33));// 設置默認連線顏色  
        paint.setAntiAlias(true);// 不顯示鋸齒  
  
        this.list = list;  
        this.lineList = new ArrayList<Pair<GesturePoint, GesturePoint>>();  
  
        initAutoCheckPointMap();  
        this.callBack = callBack;  
  
        // 初始化密碼緩存  
        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;  
    }  
  
    // 畫位圖  
    @Override  
    protected void onDraw(Canvas canvas) {  
        // super.onDraw(canvas);  
        canvas.drawBitmap(bitmap, 0, 0, null);  
    }  
  
    // 觸摸事件  
    @Override  
    public boolean onTouchEvent(MotionEvent event) {  
        if (isDrawEnable == false) {  
            // 當期不允許繪制  
            return true;  
        }  
        paint.setColor(Color.rgb(245, 142, 33));// 設置默認連線顏色  
        switch (event.getAction()) {  
        case MotionEvent.ACTION_DOWN:  
            mov_x = (int) event.getX();  
            mov_y = (int) event.getY();  
            // 判斷當前點擊的位置是處於哪個點之內  
            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);// 畫點  
            invalidate();  
            break;  
        case MotionEvent.ACTION_MOVE:  
            clearScreenAndDrawList();  
  
            // 得到當前移動位置是處於哪個點內  
            GesturePoint pointAt = getPointAt((int) event.getX(), (int) event.getY());  
            // 代表當前用戶手指處於點與點之前  
            if (currentPoint == null && pointAt == null) {  
                return true;  
            } else {// 代表用戶的手指移動到了點上  
                if (currentPoint == null) {// 先判斷當前的point是不是為null  
                    // 如果為空,那么把手指移動到的點賦值給currentPoint  
                    currentPoint = pointAt;  
                    // 把currentPoint這個點設置選中為true;  
                    currentPoint.setPointState(Constants.POINT_STATE_SELECTED);  
                    passWordSb.append(currentPoint.getNum());  
                }  
            }  
            if (pointAt == null || currentPoint.equals(pointAt) || Constants.POINT_STATE_SELECTED == pointAt.getPointState()) {  
                // 點擊移動區域不在圓的區域,或者當前點擊的點與當前移動到的點的位置相同,或者當前點擊的點處於選中狀態  
                // 那么以當前的點中心為起點,以手指移動位置為終點畫線  
                canvas.drawLine(currentPoint.getCenterX(), currentPoint.getCenterY(), event.getX(), event.getY(), paint);// 畫線  
            } else {  
                // 如果當前點擊的點與當前移動到的點的位置不同  
                // 那么以前前點的中心為起點,以手移動到的點的位置畫線  
                canvas.drawLine(currentPoint.getCenterX(), currentPoint.getCenterY(), pointAt.getCenterX(), pointAt.getCenterY(), paint);// 畫線  
                pointAt.setPointState(Constants.POINT_STATE_SELECTED);  
  
                // 判斷是否中間點需要選中  
                GesturePoint betweenPoint = getBetweenCheckPoint(currentPoint, pointAt);  
                if (betweenPoint != null && Constants.POINT_STATE_SELECTED != betweenPoint.getPointState()) {  
                    // 存在中間點並且沒有被選中  
                    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());  
                    // 設置中間點選中  
                    betweenPoint.setPointState(Constants.POINT_STATE_SELECTED);  
                    // 賦值當前的point;  
                    currentPoint = pointAt;  
                } else {  
                    Pair<GesturePoint, GesturePoint> pair = new Pair<GesturePoint, GesturePoint>(currentPoint, pointAt);  
                    lineList.add(pair);  
                    passWordSb.append(pointAt.getNum());  
                    // 賦值當前的point;  
                    currentPoint = pointAt;  
                }  
            }  
            invalidate();  
            break;  
        case MotionEvent.ACTION_UP:// 當手指抬起的時候  
            if (isVerify) {  
                // 手勢密碼校驗  
                // 清掉屏幕上所有的線,只畫上集合里面保存的線  
                if (passWord.equals(passWordSb.toString())) {  
                    // 代表用戶繪制的密碼手勢與傳入的密碼相同  
                    callBack.checkedSuccess();  
                } else {  
                    // 用戶繪制的密碼與傳入的密碼不同。  
                    callBack.checkedFail();  
                }  
            } else {  
                callBack.onGestureCodeInput(passWordSb.toString());  
            }  
            break;  
        default:  
            break;  
        }  
        return true;  
    }  
  
    /** 
     * 指定時間去清除繪制的狀態 
     * @param delayTime 延遲執行時間 
     */  
    public void clearDrawlineState(long delayTime) {  
        if (delayTime > 0) {  
            // 繪制紅色提示路線  
            isDrawEnable = false;  
            drawErrorPathTip();  
        }  
        new Handler().postDelayed(new clearStateRunnable(), delayTime);  
    }  
  
    /** 
     * 清除繪制狀態的線程 
     */  
    final class clearStateRunnable implements Runnable {  
        public void run() {  
            // 重置passWordSb  
            passWordSb = new StringBuilder();  
            // 清空保存點的集合  
            lineList.clear();  
            // 重新繪制界面  
            clearScreenAndDrawList();  
            for (GesturePoint p : list) {  
                p.setPointState(Constants.POINT_STATE_NORMAL);  
            }  
            invalidate();  
            isDrawEnable = true;  
        }  
    }  
  
    /** 
     * 通過點的位置去集合里面查找這個點是包含在哪個Point里面的 
     *  
     * @param x 
     * @param y 
     * @return 如果沒有找到,則返回null,代表用戶當前移動的地方屬於點與點之間 
     */  
    private GesturePoint getPointAt(int x, int y) {  
  
        for (GesturePoint point : list) {  
            // 先判斷x  
            int leftX = point.getLeftX();  
            int rightX = point.getRightX();  
            if (!(x >= leftX && x < rightX)) {  
                // 如果為假,則跳到下一個對比  
                continue;  
            }  
  
            int topY = point.getTopY();  
            int bottomY = point.getBottomY();  
            if (!(y >= topY && y < bottomY)) {  
                // 如果為假,則跳到下一個對比  
                continue;  
            }  
  
            // 如果執行到這,那么說明當前點擊的點的位置在遍歷到點的位置這個地方  
            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);  
    }  
  
    /** 
     * 清掉屏幕上所有的線,然后畫出集合里面的線 
     */  
    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);// 畫線  
        }  
    }  
  
    /** 
     * 校驗錯誤/兩次繪制不一致提示 
     */  
    private void drawErrorPathTip() {  
        canvas.drawColor(Color.TRANSPARENT, PorterDuff.Mode.CLEAR);  
        paint.setColor(Color.rgb(154, 7, 21));// 設置默認線路顏色  
        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);// 畫線  
        }  
        invalidate();  
    }  
  
    public interface GestureCallBack {  
  
        /** 
         * 用戶設置/輸入了手勢密碼 
         */  
        public abstract void onGestureCodeInput(String inputCode);  
  
        /** 
         * 代表用戶繪制的密碼與傳入的密碼相同 
         */  
        public abstract void checkedSuccess();  
  
        /** 
         * 代表用戶繪制的密碼與傳入的密碼不相同 
         */  
        public abstract void checkedFail();  
    }  
  
}  

4.GestureEditActivity.java 手勢密碼設置界面

手勢密碼設置

代碼如下:

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;  
  
/** 
 *  
 * 手勢密碼設置界面 
 * 
 */  
public class GestureEditActivity extends Activity implements OnClickListener {  
    /** 手機號碼*/  
    public static final String PARAM_PHONE_NUMBER = "PARAM_PHONE_NUMBER";  
    /** 意圖 */  
    public static final String PARAM_INTENT_CODE = "PARAM_INTENT_CODE";  
    /** 首次提示繪制手勢密碼,可以選擇跳過 */  
    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);  
        // 初始化一個顯示各個點的viewGroup  
        mGestureContentView = new GestureContentView(this, false, "", new GestureCallBack() {  
            @Override  
            public void onGestureCodeInput(String inputCode) {  
                if (!isInputPassValidate(inputCode)) {  
                    mTextTip.setText(Html.fromHtml("<font color='#c70c1e'>最少鏈接4個點, 請重新輸入</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, "設置成功", Toast.LENGTH_SHORT).show();  
                        mGestureContentView.clearDrawlineState(0L);  
                        GestureEditActivity.this.finish();  
                    } else {  
                        mTextTip.setText(Html.fromHtml("<font color='#c70c1e'>與上一次繪制不一致,請重新繪制</font>"));  
                        // 左右移動動畫  
                        Animation shakeAnimation = AnimationUtils.loadAnimation(GestureEditActivity.this, R.anim.shake);  
                        mTextTip.startAnimation(shakeAnimation);  
                        // 保持繪制的線,1.5秒后清除  
                        mGestureContentView.clearDrawlineState(1300L);  
                    }  
                }  
                mIsFirstInput = false;  
            }  
  
            @Override  
            public void checkedSuccess() {  
  
            }  
  
            @Override  
            public void checkedFail() {  
  
            }  
        });  
        // 設置手勢解鎖顯示到哪個布局里面  
        mGestureContentView.setParentView(mGestureContainer);  
        updateCodeList("");  
    }  
  
    private void setUpListeners() {  
        mTextCancel.setOnClickListener(this);  
        mTextReset.setOnClickListener(this);  
    }  
  
    private void updateCodeList(String inputCode) {  
        // 更新選擇的圖案  
        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 手勢密碼校驗界面

代碼如下:

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;  
  
/** 
 *  
 * 手勢繪制/校驗界面 
 * 
 */  
public class GestureVerifyActivity extends Activity implements android.view.View.OnClickListener {  
    /** 手機號碼*/  
    public static final String PARAM_PHONE_NUMBER = "PARAM_PHONE_NUMBER";  
    /** 意圖 */  
    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);  
  
        // 初始化一個顯示各個點的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, "密碼正確", 1000).show();  
                        GestureVerifyActivity.this.finish();  
                    }  
  
                    @Override  
                    public void checkedFail() {  
                        mGestureContentView.clearDrawlineState(1300L);  
                        mTextTip.setVisibility(View.VISIBLE);  
                        mTextTip.setText(Html  
                                .fromHtml("<font color='#c70c1e'>密碼錯誤</font>"));  
                        // 左右移動動畫  
                        Animation shakeAnimation = AnimationUtils.loadAnimation(GestureVerifyActivity.this, R.anim.shake);  
                        mTextTip.startAnimation(shakeAnimation);  
                    }  
                });  
        // 設置手勢解鎖顯示到哪個布局里面  
        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;  
        }  
    }  
  
}  

  

  

  

  


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