Exemplo n.º 1
0
  private static boolean hasMultipleEnabledSubtypes(
      Context context,
      final boolean shouldIncludeAuxiliarySubtypes,
      List<InputMethodInfo> imiList) {
    final InputMethodManager imm = getInputMethodManager(context);

    // Number of the filtered IMEs
    int filteredImisCount = 0;

    for (InputMethodInfo imi : imiList) {
      // We can return true immediately after we find two or more filtered IMEs.
      if (filteredImisCount > 1) return true;
      final List<InputMethodSubtype> subtypes = imm.getEnabledInputMethodSubtypeList(imi, true);
      // IMEs that have no subtypes should be counted.
      if (subtypes.isEmpty()) {
        ++filteredImisCount;
        continue;
      }

      int auxCount = 0;
      for (InputMethodSubtype subtype : subtypes) {
        if (subtype.isAuxiliary()) {
          ++auxCount;
        }
      }
      final int nonAuxCount = subtypes.size() - auxCount;

      // IMEs that have one or more non-auxiliary subtypes should be counted.
      // If shouldIncludeAuxiliarySubtypes is true, IMEs that have two or more auxiliary
      // subtypes should be counted as well.
      if (nonAuxCount > 0 || (shouldIncludeAuxiliarySubtypes && auxCount > 1)) {
        ++filteredImisCount;
        continue;
      }
    }

    if (filteredImisCount > 1) {
      return true;
    }
    final List<InputMethodSubtype> subtypes = imm.getEnabledInputMethodSubtypeList(null, true);
    int keyboardCount = 0;
    // imm.getEnabledInputMethodSubtypeList(null, true) will return the current IME's
    // both explicitly and implicitly enabled input method subtype.
    // (The current IME should be LatinIME.)
    for (InputMethodSubtype subtype : subtypes) {
      if (KEYBOARD_MODE.equals(subtype.getMode())) {
        ++keyboardCount;
      }
    }
    return keyboardCount > 1;
  }
  /**
   * Method adapted from com.android.inputmethod.latin.Utils
   *
   * @param imm The input method manager
   * @param shouldIncludeAuxiliarySubtypes
   * @return true if we have multiple IMEs to choose from
   */
  private boolean hasMultipleEnabledIMEsOrSubtypes(
      InputMethodManager imm, final boolean shouldIncludeAuxiliarySubtypes) {
    final List<InputMethodInfo> enabledImis = imm.getEnabledInputMethodList();

    // Number of the filtered IMEs
    int filteredImisCount = 0;

    for (InputMethodInfo imi : enabledImis) {
      // We can return true immediately after we find two or more filtered IMEs.
      if (filteredImisCount > 1) return true;
      final List<InputMethodSubtype> subtypes = imm.getEnabledInputMethodSubtypeList(imi, true);
      // IMEs that have no subtypes should be counted.
      if (subtypes.isEmpty()) {
        ++filteredImisCount;
        continue;
      }

      int auxCount = 0;
      for (InputMethodSubtype subtype : subtypes) {
        if (subtype.isAuxiliary()) {
          ++auxCount;
        }
      }
      final int nonAuxCount = subtypes.size() - auxCount;

      // IMEs that have one or more non-auxiliary subtypes should be counted.
      // If shouldIncludeAuxiliarySubtypes is true, IMEs that have two or more auxiliary
      // subtypes should be counted as well.
      if (nonAuxCount > 0 || (shouldIncludeAuxiliarySubtypes && auxCount > 1)) {
        ++filteredImisCount;
        continue;
      }
    }

    return filteredImisCount > 1
        // imm.getEnabledInputMethodSubtypeList(null, false) will return the current IME's enabled
        // input method subtype (The current IME should be LatinIME.)
        || imm.getEnabledInputMethodSubtypeList(null, false).size() > 1;
  }