/**
* Compares {@code pattern} to the given pattern ( {@link #ACTION_COMPARE_PATTERN}) or to the
* generated "CAPTCHA" pattern ( {@link #ACTION_VERIFY_CAPTCHA}). Then finishes the activity if
* they match.
*
* @param pattern the pattern to be compared.
*/
private void doComparePattern(final List<Cell> pattern) {
if (pattern == null) return;
/*
* Use a LoadingView because decrypting pattern might take time...
*/
mLoadingView =
new LoadingView<Void, Void, Object>(this, mViewGroupProgressBar) {
@Override
protected Object doInBackground(Void... params) {
if (ACTION_COMPARE_PATTERN.equals(getIntent().getAction())) {
char[] currentPattern = getIntent().getCharArrayExtra(EXTRA_PATTERN);
if (currentPattern == null)
currentPattern = Settings.Security.getPattern(LockPatternActivity.this);
if (currentPattern != null) {
if (mEncrypter != null)
return pattern.equals(
mEncrypter.decrypt(LockPatternActivity.this, currentPattern));
else
return Arrays.equals(
currentPattern, LockPatternUtils.patternToSha1(pattern).toCharArray());
}
} // ACTION_COMPARE_PATTERN
else if (ACTION_VERIFY_CAPTCHA.equals(getIntent().getAction())) {
return pattern.equals(getIntent().getParcelableArrayListExtra(EXTRA_PATTERN));
} // ACTION_VERIFY_CAPTCHA
return false;
} // doInBackground()
@Override
protected void onPostExecute(Object result) {
super.onPostExecute(result);
if ((Boolean) result) finishWithResultOk(null);
else {
mRetryCount++;
mIntentResult.putExtra(EXTRA_RETRY_COUNT, mRetryCount);
if (mRetryCount >= mMaxRetries) finishWithNegativeResult(RESULT_FAILED);
else {
mLockPatternView.setDisplayMode(DisplayMode.Wrong);
mTextInfo.setText(
com.haibison.android.lockpattern.R.string.alp_42447968_msg_try_again);
mLockPatternView.postDelayed(
mLockPatternViewReloader, DELAY_TIME_TO_RELOAD_LOCK_PATTERN_VIEW);
}
}
} // onPostExecute()
};
mLoadingView.execute();
} // doComparePattern()
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
/*
* Use this hook instead of onBackPressed(), because onBackPressed() is
* not available in API 4.
*/
if (keyCode == KeyEvent.KEYCODE_BACK
&& ACTION_COMPARE_PATTERN.equals(getIntent().getAction())) {
if (mLoadingView != null) mLoadingView.cancel(true);
finishWithNegativeResult(RESULT_CANCELED);
return true;
} // if
return super.onKeyDown(keyCode, event);
} // onKeyDown()
/**
* Checks and creates the pattern.
*
* @param pattern the current pattern of lock pattern view.
*/
private void doCheckAndCreatePattern(final List<Cell> pattern) {
if (pattern.size() < mMinWiredDots) {
mLockPatternView.setDisplayMode(DisplayMode.Wrong);
mTextInfo.setText(
getResources()
.getQuantityString(
com.haibison.android.lockpattern.R.plurals.alp_42447968_pmsg_connect_x_dots,
mMinWiredDots,
mMinWiredDots));
mLockPatternView.postDelayed(
mLockPatternViewReloader, DELAY_TIME_TO_RELOAD_LOCK_PATTERN_VIEW);
return;
} // if
if (getIntent().hasExtra(EXTRA_PATTERN)) {
/*
* Use a LoadingView because decrypting pattern might take time...
*/
mLoadingView =
new LoadingView<Void, Void, Object>(this, mViewGroupProgressBar) {
@Override
protected Object doInBackground(Void... params) {
if (mEncrypter != null)
return pattern.equals(
mEncrypter.decrypt(
LockPatternActivity.this, getIntent().getCharArrayExtra(EXTRA_PATTERN)));
else
return Arrays.equals(
getIntent().getCharArrayExtra(EXTRA_PATTERN),
LockPatternUtils.patternToSha1(pattern).toCharArray());
} // doInBackground()
@Override
protected void onPostExecute(Object result) {
super.onPostExecute(result);
if ((Boolean) result) {
mTextInfo.setText(
com.haibison
.android
.lockpattern
.R
.string
.alp_42447968_msg_your_new_unlock_pattern);
mBtnConfirm.setEnabled(true);
} else {
mTextInfo.setText(
com.haibison
.android
.lockpattern
.R
.string
.alp_42447968_msg_redraw_pattern_to_confirm);
mBtnConfirm.setEnabled(false);
mLockPatternView.setDisplayMode(DisplayMode.Wrong);
mLockPatternView.postDelayed(
mLockPatternViewReloader, DELAY_TIME_TO_RELOAD_LOCK_PATTERN_VIEW);
}
} // onPostExecute()
};
mLoadingView.execute();
} else {
/*
* Use a LoadingView because encrypting pattern might take time...
*/
mLoadingView =
new LoadingView<Void, Void, Object>(this, mViewGroupProgressBar) {
@Override
protected Object doInBackground(Void... params) {
return mEncrypter != null
? mEncrypter.encrypt(LockPatternActivity.this, pattern)
: LockPatternUtils.patternToSha1(pattern).toCharArray();
} // onCancel()
@Override
protected void onPostExecute(Object result) {
super.onPostExecute(result);
getIntent().putExtra(EXTRA_PATTERN, (char[]) result);
mTextInfo.setText(
com.haibison.android.lockpattern.R.string.alp_42447968_msg_pattern_recorded);
mBtnConfirm.setEnabled(true);
} // onPostExecute()
};
mLoadingView.execute();
}
} // doCheckAndCreatePattern()
@Override
protected void onDestroy() {
if (mLoadingView != null) mLoadingView.cancel(true);
super.onDestroy();
} // onDestroy()
