Android source code download: My Gesture Lock

Functional classification: Tools

Supported platforms: Android

Operating environment: Eclipse

Development language: Java

Development tool: Eclipse

Source code size: 1.06MB

Source code download: http://download..com/data/1976924

Source code introduction

My gesture lock makes it easy for users to log in. When logging in for the first time, enter your username and password and set a gesture password. When logging in again, you only need to enter the correct gesture password to log in successfully.

Source code running screenshot

Login screen

Tips to create a gesture password

Demonstrate the creation of gesture password

Create a gesture password

Gesture password unlock

Source code snippet

 package com.zhangyx.MyGestureLock.gesture; 
  
 import java.util.List; 
  
 import com.lidroid.xutils.ViewUtils;
 import com.lidroid.xutils.view.annotation.ViewInject;
 import com.zhangyx.MyGestureLock.BaseActivity;
 import com.zhangyx.MyGestureLock.LoginActivity;
 import com.zhangyx.MyGestureLock.MainActivity;
 import com.zhangyx.MyGestureLock.R;
 import com.zhangyx.MyGestureLock.app.MyApplication;
 import com.zhangyx.MyGestureLock.util.AnimationUtil;
 import com.zhangyx.MyGestureLock.view.LockPatternUtils;
 import com.zhangyx.MyGestureLock.view.LockPatternView;
 import com.zhangyx.MyGestureLock.view.LockPatternView.Cell; 
  
  
 import android.annotation.SuppressLint;
 import android.content.Intent;
 import android.graphics.Color;
 import android.os.Bundle;
 import android.os.CountDownTimer;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
 import android.widget.Button;
 import android.widget.LinearLayout;
 import android.widget.TextView; 
  
 /***
 * Unlock login
 *com.zhangyx.MyGestureLock.gesture.UnlockGesturePasswordActivity
 * @author Admin-zhangyx
 *
 * created at 2015-1-16 3:09:47 PM
 */  
 @SuppressLint ( "ResourceAsColor" )
 public   class UnlockGesturePasswordActivity extends BaseActivity {
 private LockPatternView mLockPatternView;
 private   int mFailedPatternAttemptsSinceLastTimeout = 0 ;
 private CountDownTimer mCountdownTimer = null ;
 // private Handler mHandler = new Handler();   
  
 private Animation mShakeAnim; 
  
 @ViewInject (R.id.gesturepwd_unlock_text)
 private TextView mHeadTextView;
 @ViewInject (R.id.rootView)
 private LinearLayout rootView;
 @ViewInject (R.id.changeUser)
 private Button changeUser; // Switch user, clear gesture lock   
  
 private MyApplication app;
 @Override  
 public   void onCreate(Bundle savedInstanceState) {
 super .onCreate(savedInstanceState);
        setContentView(R.layout.gesturepassword_unlock);
        ViewUtils.inject( this );
        app=(MyApplication) getApplication();
        mLockPatternView = (LockPatternView) findViewById(R.id.gesturepwd_unlock_lockview);
        mLockPatternView.setOnPatternListener(mChooseNewLockPatternListener);
        mLockPatternView.setTactileFeedbackEnabled( true );
        mShakeAnim = AnimationUtils.loadAnimation( this , R.anim.shake_x); 
  
        changeUser.setOnClickListener( new OnClickListener() { 
  
 @Override  
 public   void onClick(View v) {
 // TODO Auto-generated method stub  
 // Clear gesture file  
                app.getLockPatternUtils().clearLock();
                toLoginActivity();
 }
 });
 } 
  
 @Override  
 protected   void onResume() {
 super .onResume();
 // If the gesture has never been created, start creating it --- no password is remembered  
 if (!app.getLockPatternUtils().savedPatternExists()) {
            toLoginActivity();
 }
 } 
  
 private   void toLoginActivity() {
        startActivity( new Intent(UnlockGesturePasswordActivity. this ,
                LoginActivity. class ));
 AnimationUtil
                .finishActivityAnimation(UnlockGesturePasswordActivity. this );
 } 
  
 @Override  
 protected   void onDestroy() {
 super .onDestroy();
 if (mCountdownTimer != null )
            mCountdownTimer.cancel();
 } 
  
 private Runnable mClearPatternRunnable = new Runnable() {
 public   void run() {
            mLockPatternView.clearPattern();
 }
 }; 
  
 protected LockPatternView.OnPatternListener mChooseNewLockPatternListener = new LockPatternView.OnPatternListener() { 
  
 @Override  
 public   void onPatternStart() {
 // TODO Auto-generated method stub  
            mLockPatternView.removeCallbacks(mClearPatternRunnable);
            patternInProgress();
 } 
  
 public   void onPatternDetected(List<cell> pattern) {
 // TODO Auto-generated method stub  
 if (pattern == null )
 return ;
 if (app.getLockPatternUtils()
 .checkPattern(pattern)) { // Unlock successfully  
                mLockPatternView
                        .setDisplayMode(LockPatternView.DisplayMode.Correct); 
  
 // Unlock successfully and return to the page that requires user information----  
                loginSuccessToMainAcrtivity();
 } else { // Unlock failed-----Log in again  
                mLockPatternView
                        .setDisplayMode(LockPatternView.DisplayMode.Wrong); 
  
 if (pattern.size() >= LockPatternUtils.MIN_PATTERN_REGISTER_FAIL) { 
  
                    mFailedPatternAttemptsSinceLastTimeout++;
 int retry = LockPatternUtils.FAILED_ATTEMPTS_BEFORE_TIMEOUT
                            - mFailedPatternAttemptsSinceLastTimeout;
 if (retry > 0 ) {
                        changeUser.setVisibility(View.VISIBLE);
 if (retry == 0 )
                            showToast(UnlockGesturePasswordActivity. this  
                                    .getString(R.string.toastlock));
 mHeadTextView.setText( "Wrong password, you can enter it again" + retry + "times" );
                        mHeadTextView.setTextColor(Color.RED);
                        mHeadTextView.startAnimation(mShakeAnim);
 } else {
 // Open a new Activity  
 // Clear gesture file  
                        app.getLockPatternUtils().clearLock();
                        toLoginActivity();
 }
 } else {
 showToast( "The input length is not enough, please try again" );
 }
                mLockPatternView.clearPattern();
 }
 } 
  
 @Override  
 public   void onPatternCleared() {
 // TODO Auto-generated method stub  
            mLockPatternView.removeCallbacks(mClearPatternRunnable);
 } 
  
 private   void patternInProgress() {
 } 
  
 @Override  
 public   void onPatternCellAdded(List<cell> pattern) {
 // TODO Auto-generated method stub   
  
 } 
  
          
 }; 
  
    Runnable attemptLockout = new Runnable() { 
  
 @Override  
 public   void run() {
            mLockPatternView.clearPattern();
            mLockPatternView.setEnabled( false );
            mCountdownTimer = new CountDownTimer(
                    LockPatternUtils.FAILED_ATTEMPT_TIMEOUT_MS + 1 , 1000 ) { 
  
 @Override  
 public   void onTick( long millisUntilFinished) {
 int secondsRemaining = ( int ) (millisUntilFinished / 1000 ) - 1 ;
 if (secondsRemaining > 0 ) {
 mHeadTextView.setText(secondsRemaining + "Retry after seconds" );
 } else {
                        mHeadTextView
                                .setText( UnlockGesturePasswordActivity.this  
                                        .getString(R.string.gesture_drawPwd));
                        mHeadTextView.setTextColor(Color.WHITE);
 } 
  
 } 
  
 @Override  
 public   void onFinish() {
                    mLockPatternView.setEnabled( true );
                    mFailedPatternAttemptsSinceLastTimeout = 0 ;
 }
 }.start();
 }
 }; 
      
 // Login successful  
 private   void loginSuccessToMainAcrtivity() {
        startActivity( new Intent(UnlockGesturePasswordActivity. this ,
                MainActivity. class ));
 AnimationUtil
                .finishActivityAnimation(UnlockGesturePasswordActivity. this );
 } 
  
 }
 </cell></cell>

Source code download: http://download..com/data/1976924