Program: 42708
Project: 42708
Buggy source:
/** 
 * @param context Used to inflate, and create views.
 * @param updateMonitor Knows the state of the world, and passed along to eachscreen so they can use the knowledge, and also register for callbacks on dynamic information.
 * @param lockPatternUtils Used to look up state of lock pattern.
 */
public LockPatternKeyguardView(Context context,KeyguardUpdateMonitor updateMonitor,LockPatternUtils lockPatternUtils,KeyguardWindowController controller){
  super(context);
  mEnableFallback=false;
  mRequiresSim=TextUtils.isEmpty(SystemProperties.get("String_Node_Str"));
  mUpdateMonitor=updateMonitor;
  mLockPatternUtils=lockPatternUtils;
  mWindowController=controller;
  mMode=getInitialMode();
  mKeyguardScreenCallback=new KeyguardScreenCallback(){
    public void goToLockScreen(){
      mForgotPattern=false;
      if (mIsVerifyUnlockOnly) {
        mIsVerifyUnlockOnly=false;
        getCallback().keyguardDone(false);
      }
 else {
        updateScreen(Mode.LockScreen);
      }
    }
    public void goToUnlockScreen(){
      final IccCard.State simState=mUpdateMonitor.getSimState();
      if (stuckOnLockScreenBecauseSimMissing() || (simState == IccCard.State.PUK_REQUIRED)) {
        return;
      }
      if (!isSecure()) {
        getCallback().keyguardDone(true);
      }
 else {
        updateScreen(Mode.UnlockScreen);
      }
    }
    public void forgotPattern(    boolean isForgotten){
      if (mEnableFallback) {
        mForgotPattern=isForgotten;
        updateScreen(Mode.UnlockScreen);
      }
    }
    public boolean isSecure(){
      return LockPatternKeyguardView.this.isSecure();
    }
    public boolean isVerifyUnlockOnly(){
      return mIsVerifyUnlockOnly;
    }
    public void recreateMe(){
      recreateScreens();
    }
    public void takeEmergencyCallAction(){
      Intent intent=new Intent(ACTION_EMERGENCY_DIAL);
      intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
      getContext().startActivity(intent);
    }
    public void pokeWakelock(){
      getCallback().pokeWakelock();
    }
    public void pokeWakelock(    int millis){
      getCallback().pokeWakelock(millis);
    }
    public void keyguardDone(    boolean authenticated){
      getCallback().keyguardDone(authenticated);
    }
    public void keyguardDoneDrawing(){
    }
    public void reportFailedPatternAttempt(){
      mUpdateMonitor.reportFailedAttempt();
      final int failedAttempts=mUpdateMonitor.getFailedAttempts();
      if (DEBUG)       Log.d(TAG,"String_Node_Str" + failedAttempts + "String_Node_Str"+ mEnableFallback+ "String_Node_Str");
      if (mEnableFallback && failedAttempts == (LockPatternUtils.FAILED_ATTEMPTS_BEFORE_RESET - LockPatternUtils.FAILED_ATTEMPTS_BEFORE_TIMEOUT)) {
        showAlmostAtAccountLoginDialog();
      }
 else       if (mEnableFallback && failedAttempts >= LockPatternUtils.FAILED_ATTEMPTS_BEFORE_RESET) {
        mLockPatternUtils.setPermanentlyLocked(true);
        updateScreen(mMode);
      }
 else       if ((failedAttempts % LockPatternUtils.FAILED_ATTEMPTS_BEFORE_TIMEOUT) == 0) {
        showTimeoutDialog();
      }
    }
    public boolean doesFallbackUnlockScreenExist(){
      return mEnableFallback;
    }
  }
;
  setFocusableInTouchMode(true);
  setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
  if (false) {
    final BitmapDrawable drawable=(BitmapDrawable)context.getWallpaper();
    setBackgroundDrawable(new FastBitmapDrawable(drawable.getBitmap()));
  }
  mLockScreen=createLockScreen();
  addView(mLockScreen);
  final UnlockMode unlockMode=getUnlockMode();
  if (DEBUG)   Log.d(TAG,"String_Node_Str" + mEnableFallback);
  mUnlockScreen=createUnlockScreenFor(unlockMode);
  mUnlockScreenMode=unlockMode;
  final boolean hasAccount=AccountManager.get(context).getAccounts().length > 0;
  if (hasAccount) {
    String[] features=new String[]{"String_Node_Str"};
    AccountManager.get(context).getAccountsByTypeAndFeatures("String_Node_Str",features,this,null);
  }
  addView(mUnlockScreen);
  updateScreen(mMode);
}

Fixed version (ground truth):
/** 
 * @param context Used to inflate, and create views.
 * @param updateMonitor Knows the state of the world, and passed along to eachscreen so they can use the knowledge, and also register for callbacks on dynamic information.
 * @param lockPatternUtils Used to look up state of lock pattern.
 */
public LockPatternKeyguardView(Context context,KeyguardUpdateMonitor updateMonitor,LockPatternUtils lockPatternUtils,KeyguardWindowController controller){
  super(context);
  mEnableFallback=false;
  mRequiresSim=TextUtils.isEmpty(SystemProperties.get("String_Node_Str"));
  mUpdateMonitor=updateMonitor;
  mLockPatternUtils=lockPatternUtils;
  mWindowController=controller;
  mMode=getInitialMode();
  mKeyguardScreenCallback=new KeyguardScreenCallback(){
    public void goToLockScreen(){
      mForgotPattern=false;
      if (mIsVerifyUnlockOnly) {
        mIsVerifyUnlockOnly=false;
        getCallback().keyguardDone(false);
      }
 else {
        updateScreen(Mode.LockScreen);
      }
    }
    public void goToUnlockScreen(){
      final IccCard.State simState=mUpdateMonitor.getSimState();
      if (stuckOnLockScreenBecauseSimMissing() || (simState == IccCard.State.PUK_REQUIRED)) {
        return;
      }
      if (!isSecure()) {
        getCallback().keyguardDone(true);
      }
 else {
        updateScreen(Mode.UnlockScreen);
      }
    }
    public void forgotPattern(    boolean isForgotten){
      if (mEnableFallback) {
        mForgotPattern=isForgotten;
        updateScreen(Mode.UnlockScreen);
      }
    }
    public boolean isSecure(){
      return LockPatternKeyguardView.this.isSecure();
    }
    public boolean isVerifyUnlockOnly(){
      return mIsVerifyUnlockOnly;
    }
    public void recreateMe(){
      recreateScreens();
    }
    public void takeEmergencyCallAction(){
      Intent intent=new Intent(ACTION_EMERGENCY_DIAL);
      intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
      getContext().startActivity(intent);
    }
    public void pokeWakelock(){
      getCallback().pokeWakelock();
    }
    public void pokeWakelock(    int millis){
      getCallback().pokeWakelock(millis);
    }
    public void keyguardDone(    boolean authenticated){
      getCallback().keyguardDone(authenticated);
    }
    public void keyguardDoneDrawing(){
    }
    public void reportFailedPatternAttempt(){
      mUpdateMonitor.reportFailedAttempt();
      final int failedAttempts=mUpdateMonitor.getFailedAttempts();
      if (DEBUG)       Log.d(TAG,"String_Node_Str" + failedAttempts + "String_Node_Str"+ mEnableFallback+ "String_Node_Str");
      if (mEnableFallback && failedAttempts == (LockPatternUtils.FAILED_ATTEMPTS_BEFORE_RESET - LockPatternUtils.FAILED_ATTEMPTS_BEFORE_TIMEOUT)) {
        showAlmostAtAccountLoginDialog();
      }
 else       if (mEnableFallback && failedAttempts >= LockPatternUtils.FAILED_ATTEMPTS_BEFORE_RESET) {
        mLockPatternUtils.setPermanentlyLocked(true);
        updateScreen(mMode);
      }
 else       if ((failedAttempts % LockPatternUtils.FAILED_ATTEMPTS_BEFORE_TIMEOUT) == 0) {
        showTimeoutDialog();
      }
    }
    public boolean doesFallbackUnlockScreenExist(){
      return mEnableFallback;
    }
  }
;
  setFocusableInTouchMode(true);
  setDescendantFocusability(FOCUS_AFTER_DESCENDANTS);
  if (false) {
    final BitmapDrawable drawable=(BitmapDrawable)context.getWallpaper();
    setBackgroundDrawable(new FastBitmapDrawable(drawable.getBitmap()));
  }
  mLockScreen=createLockScreen();
  addView(mLockScreen);
  final UnlockMode unlockMode=getUnlockMode();
  if (DEBUG)   Log.d(TAG,"String_Node_Str" + mEnableFallback);
  mUnlockScreen=createUnlockScreenFor(unlockMode);
  mUnlockScreenMode=unlockMode;
  maybeEnableFallback(context);
  addView(mUnlockScreen);
  updateScreen(mMode);
}