Java Code Examples for android.text.TextUtils#expandTemplate()

/**
 * Returns the infobar message for the case when PasswordManager has a guess which credentials
 * pair should be updated. There are two cases possible: there is only one credential pair that
 * should be updated and there several guesses available. In the first case user is presented
 * with the username of the credentials that should be updated in the second case user is able
 * to choose which of the available credentials to update.
 * It also remembered the choice made.
 */
private CharSequence createUsernameMessageText(int selectedUsername) {
    CharSequence message;
    mSelectedUsername = selectedUsername;
    final String template = getContext().getString(R.string.update_password_for_account);
    final String usernameToDisplay = mUsernames[mSelectedUsername];
    if (mShowMultipleAccounts) {
        final String downPointingArrow = " \u25BE";
        SpannableString usernameSelector =
                new SpannableString(usernameToDisplay + downPointingArrow);
        usernameSelector.setSpan(new ClickableSpan() {
            @Override
            public void onClick(View view) {
                onUsernameLinkClicked(view);
            }
        }, 0, usernameSelector.length(), Spannable.SPAN_INCLUSIVE_EXCLUSIVE);
        message = TextUtils.expandTemplate(template, mBrandingSpan, usernameSelector);
    } else {
        message = TextUtils.expandTemplate(template, mBrandingSpan, usernameToDisplay);
    }
    return message;
}
 

@Override
public void createContent(InfoBarLayout layout) {
    super.createContent(layout);
    CharSequence message;
    if (mIsSmartLockEnabled) {
        mBrandingSpan.setSpan(new ClickableSpan() {
            @Override
            public void onClick(View view) {
                onLinkClicked();
            }
        }, 0, mBrandingSpan.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    }
    if (mShowMultipleAccounts || mUsernames.length != 0) {
        message = createUsernameMessageText(0);
    } else {
        String template = getContext().getString(R.string.update_password);
        message = TextUtils.expandTemplate(template, mBrandingSpan);
    }

    mMessageView = layout.getMessageTextView();
    mMessageView.setText(message, TextView.BufferType.SPANNABLE);
}
 

/**
 * Create infobar message in the form of CharSequence.
 *
 * @param context The context.
 * @param template The template CharSequence.
 * @param fileName The file name.
 * @param dirName The directory name.
 * @param dirNameIntent The intent to be launched when user touches the directory name link.
 * @return CharSequence formatted message for InfoBar.
 */
private static CharSequence formatInfoBarMessage(final Context context, String template,
        String fileName, String dirName, final Intent dirNameIntent) {
    SpannableString formattedFileName = new SpannableString(fileName);
    formattedFileName.setSpan(new StyleSpan(Typeface.BOLD), 0, fileName.length(),
            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);

    SpannableString formattedDirName = new SpannableString(dirName);
    if (canResolveIntent(context, dirNameIntent)) {
        formattedDirName.setSpan(new ClickableSpan() {
            @Override
            public void onClick(View view) {
                context.startActivity(dirNameIntent);
            }
        }, 0, dirName.length(), Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    }

    return TextUtils.expandTemplate(template, formattedFileName, formattedDirName);
}
 

/**
 * Helper method to get the text to be displayed on the infobar.
 * @param template Message template.
 * @param fileName Name of the file.
 * @param clickableSpan Action to perform when clicking on the file name.
 * @return message to be displayed on the infobar.
 */
private CharSequence getMessageText(final String template, final String fileName,
        final ClickableSpan clickableSpan) {
    final SpannableString formattedFilePath = new SpannableString(fileName);
    formattedFilePath.setSpan(new StyleSpan(Typeface.BOLD), 0, fileName.length(),
            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    formattedFilePath.setSpan(clickableSpan, 0, fileName.length(),
            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    return TextUtils.expandTemplate(template, formattedFilePath);
}
 

/**
 * Creates CharSequence from {@code templateString} and its {@code parameters}. And spans in
 * parameters are keep in result.
 *
 * @param templateString template string that may contains parameters with spans.
 * @param parameters object arrays that are supposed but not necessary to be Spanned. If it is
 *     Spanned, the spans are keep in result Spannable.
 * @return CharSequence that composed by formatted template string and parameters.
 */
private static CharSequence getSpannedFormattedString(
    String templateString, Object[] parameters) {
  List<CharSequence> stringTypeList = new ArrayList<>();
  for (Object param : parameters) {
    if (param instanceof CharSequence) {
      stringTypeList.add((CharSequence) param);
    }
  }

  String formattedString = String.format(templateString, parameters);
  if (stringTypeList.isEmpty()) {
    return formattedString;
  }

  CharSequence expandableTemplate = toExpandableTemplate(templateString, parameters);
  try {
    // It will throw IllegalArgumentException if the template requests a value that was not
    // provided, or if more than 9 values are provided.
    return TextUtils.expandTemplate(
        expandableTemplate, stringTypeList.toArray(new CharSequence[stringTypeList.size()]));
  } catch (IllegalArgumentException exception) {
    LogUtils.e(
        TAG,
        "TextUtils.expandTemplate fail then try copySpansFromTemplateParameters."
            + " Exception=%s ",
        exception);
    // This is a fall-back method that may copy spans inaccurately
    return copySpansFromTemplateParameters(
        formattedString, stringTypeList.toArray(new CharSequence[stringTypeList.size()]));
  }
}
 

/**
 * Helper method to get the text to be displayed on the infobar.
 * @param template Message template.
 * @param fileName Name of the file.
 * @param clickableSpan Action to perform when clicking on the file name.
 * @return message to be displayed on the infobar.
 */
private CharSequence getMessageText(final String template, final String fileName,
        final ClickableSpan clickableSpan) {
    final SpannableString formattedFilePath = new SpannableString(fileName);
    formattedFilePath.setSpan(new StyleSpan(Typeface.BOLD), 0, fileName.length(),
            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    formattedFilePath.setSpan(clickableSpan, 0, fileName.length(),
            Spannable.SPAN_EXCLUSIVE_EXCLUSIVE);
    return TextUtils.expandTemplate(template, formattedFilePath);
}
 

private CharSequence getStringForLanguage(int position) {
    // The spinners prepend a string to show if they're for the source or target language.
    String language = getItem(position).toString();
    SpannableString lang = new SpannableString(language);
    lang.setSpan(new ForegroundColorSpan(Color.BLACK), 0, lang.length(), 0);
    return TextUtils.expandTemplate(mTextTemplate, lang);
}
 

private CharSequence getStringForLanguage(int position) {
    // The spinners prepend a string to show if they're for the source or target language.
    String language = getItem(position).toString();
    SpannableString lang = new SpannableString(language);
    lang.setSpan(new ForegroundColorSpan(Color.BLACK), 0, lang.length(), 0);
    return TextUtils.expandTemplate(mTextTemplate, lang);
}