Java InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE属性代码示例

private static String toFlagsString(final int flags) {
    final ArrayList<String> flagsArray = new ArrayList<>();
    if (0 != (flags & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS))
        flagsArray.add("TYPE_TEXT_FLAG_NO_SUGGESTIONS");
    if (0 != (flags & InputType.TYPE_TEXT_FLAG_MULTI_LINE))
        flagsArray.add("TYPE_TEXT_FLAG_MULTI_LINE");
    if (0 != (flags & InputType.TYPE_TEXT_FLAG_IME_MULTI_LINE))
        flagsArray.add("TYPE_TEXT_FLAG_IME_MULTI_LINE");
    if (0 != (flags & InputType.TYPE_TEXT_FLAG_CAP_WORDS))
        flagsArray.add("TYPE_TEXT_FLAG_CAP_WORDS");
    if (0 != (flags & InputType.TYPE_TEXT_FLAG_CAP_SENTENCES))
        flagsArray.add("TYPE_TEXT_FLAG_CAP_SENTENCES");
    if (0 != (flags & InputType.TYPE_TEXT_FLAG_CAP_CHARACTERS))
        flagsArray.add("TYPE_TEXT_FLAG_CAP_CHARACTERS");
    if (0 != (flags & InputType.TYPE_TEXT_FLAG_AUTO_CORRECT))
        flagsArray.add("TYPE_TEXT_FLAG_AUTO_CORRECT");
    if (0 != (flags & InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE))
        flagsArray.add("TYPE_TEXT_FLAG_AUTO_COMPLETE");
    return flagsArray.isEmpty() ? "" : Arrays.toString(flagsArray.toArray());
}
 

/**
 * Updates the auto-complete text view.
 */
private void updateSearchAutoComplete() {
    // TODO mQueryTextView.setDropDownAnimationStyle(0); // no animation
    mQueryTextView.setThreshold(mSearchable.getSuggestThreshold());
    mQueryTextView.setImeOptions(mSearchable.getImeOptions());
    int inputType = mSearchable.getInputType();
    // We only touch this if the input type is set up for text (which it almost certainly
    // should be, in the case of search!)
    if ((inputType & InputType.TYPE_MASK_CLASS) == InputType.TYPE_CLASS_TEXT) {
        // The existence of a suggestions authority is the proxy for "suggestions
        // are available here"
        inputType &= ~InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE;
        if (mSearchable.getSuggestAuthority() != null) {
            inputType |= InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE;
            // TYPE_TEXT_FLAG_AUTO_COMPLETE means that the text editor is performing
            // auto-completion based on its own semantics, which it will present to the user
            // as they type. This generally means that the input method should not show its
            // own candidates, and the spell checker should not be in action. The text editor
            // supplies its candidates by calling InputMethodManager.displayCompletions(),
            // which in turn will call InputMethodSession.displayCompletions().
            inputType |= InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS;
        }
    }
    mQueryTextView.setInputType(inputType);
    if (mSuggestionsAdapter != null) {
        mSuggestionsAdapter.changeCursor(null);
    }
    // attach the suggestions adapter, if suggestions are available
    // The existence of a suggestions authority is the proxy for "suggestions available here"
    if (mSearchable.getSuggestAuthority() != null) {
        mSuggestionsAdapter = new SuggestionsAdapter(getContext(),
                this, mSearchable, mOutsideDrawablesCache);
        mQueryTextView.setAdapter(mSuggestionsAdapter);
        ((SuggestionsAdapter) mSuggestionsAdapter).setQueryRefinement(
                mQueryRefinement ? SuggestionsAdapter.REFINE_ALL
                : SuggestionsAdapter.REFINE_BY_ENTRY);
    }
}
 

public InputAttributes(final EditorInfo editorInfo, final boolean isFullscreenMode) {
    mTargetApplicationPackageName = null != editorInfo ? editorInfo.packageName : null;
    final int inputType = null != editorInfo ? editorInfo.inputType : 0;
    final int inputClass = inputType & InputType.TYPE_MASK_CLASS;
    mInputType = inputType;
    mIsPasswordField = InputTypeUtils.isPasswordInputType(inputType)
            || InputTypeUtils.isVisiblePasswordInputType(inputType);
    if (inputClass != InputType.TYPE_CLASS_TEXT) {
        // If we are not looking at a TYPE_CLASS_TEXT field, the following strange
        // cases may arise, so we do a couple sanity checks for them. If it's a
        // TYPE_CLASS_TEXT field, these special cases cannot happen, by construction
        // of the flags.
        if (null == editorInfo) {
            Log.w(TAG, "No editor info for this field. Bug?");
        } else if (InputType.TYPE_NULL == inputType) {
            // TODO: We should honor TYPE_NULL specification.
            Log.i(TAG, "InputType.TYPE_NULL is specified");
        } else if (inputClass == 0) {
            // TODO: is this check still necessary?
            Log.w(TAG, String.format("Unexpected input class: inputType=0x%08x"
                    + " imeOptions=0x%08x", inputType, editorInfo.imeOptions));
        }
        mShouldShowSuggestions = false;
        mInputTypeNoAutoCorrect = false;
        mApplicationSpecifiedCompletionOn = false;
        mShouldInsertSpacesAutomatically = false;
        return;
    }
    // inputClass == InputType.TYPE_CLASS_TEXT
    final int variation = inputType & InputType.TYPE_MASK_VARIATION;
    final boolean flagNoSuggestions =
            0 != (inputType & InputType.TYPE_TEXT_FLAG_NO_SUGGESTIONS);
    final boolean flagMultiLine =
            0 != (inputType & InputType.TYPE_TEXT_FLAG_MULTI_LINE);
    final boolean flagAutoCorrect =
            0 != (inputType & InputType.TYPE_TEXT_FLAG_AUTO_CORRECT);
    final boolean flagAutoComplete =
            0 != (inputType & InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE);

    // TODO: Have a helper method in InputTypeUtils
    // Make sure that passwords are not displayed in {@link SuggestionStripView}.
    final boolean shouldSuppressSuggestions = mIsPasswordField
            || InputTypeUtils.isEmailVariation(variation)
            || InputType.TYPE_TEXT_VARIATION_URI == variation
            || InputType.TYPE_TEXT_VARIATION_FILTER == variation
            || flagNoSuggestions
            || flagAutoComplete;
    mShouldShowSuggestions = !shouldSuppressSuggestions;

    mShouldInsertSpacesAutomatically = InputTypeUtils.isAutoSpaceFriendlyType(inputType);

    // If it's a browser edit field and auto correct is not ON explicitly, then
    // disable auto correction, but keep suggestions on.
    // If NO_SUGGESTIONS is set, don't do prediction.
    // If it's not multiline and the autoCorrect flag is not set, then don't correct
    mInputTypeNoAutoCorrect =
            (variation == InputType.TYPE_TEXT_VARIATION_WEB_EDIT_TEXT && !flagAutoCorrect)
            || flagNoSuggestions
            || (!flagAutoCorrect && !flagMultiLine);

    mApplicationSpecifiedCompletionOn = flagAutoComplete && isFullscreenMode;
}
 

/**
 * This is the main point where we do our initialization of the input method
 * to begin operating on an application.  At this point we have been
 * bound to the client, and are now receiving all of the detailed information
 * about the target of our edits.
 */
@Override public void onStartInput(EditorInfo attribute, boolean restarting) {
    super.onStartInput(attribute, restarting);
    
    // Reset our state.  We want to do this even if restarting, because
    // the underlying state of the text editor could have changed in any way.
    mComposing.setLength(0);
    updateCandidates();

    mPredictionOn = false;
    mCompletionOn = false;
    mCompletions = null;

    // We are now going to initialize our state based on the type of
    // text being edited.
    switch (attribute.inputType & InputType.TYPE_MASK_CLASS) {
        case InputType.TYPE_CLASS_NUMBER:
        case InputType.TYPE_CLASS_DATETIME:
            // Numbers and dates default to the symbols keyboard, with
            // no extra features.
            mCurKeyboard = mSymbolsKeyboard;
            break;
            
        case InputType.TYPE_CLASS_PHONE:
            // Phones will also default to the symbols keyboard, though
            // often you will want to have a dedicated phone keyboard.
            mCurKeyboard = mSymbolsKeyboard;
            break;
            
        case InputType.TYPE_CLASS_TEXT:
            // This is general text editing.  We will default to the
            // normal alphabetic keyboard, and assume that we should
            // be doing predictive text (showing candidates as the
            // user types).
            mCurKeyboard = mArabicKeyboard;
            mPredictionOn = true;

            // We now look for a few special variations of text that will
            // modify our behavior.
            int variation = attribute.inputType & InputType.TYPE_MASK_VARIATION;
            if (variation == InputType.TYPE_TEXT_VARIATION_PASSWORD ||
                    variation == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) {
                // Do not display predictions / what the user is typing
                // when they are entering a password.
                mPredictionOn = false;
            }
            
            if (variation == InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS
                    || variation == InputType.TYPE_TEXT_VARIATION_URI
                    || variation == InputType.TYPE_TEXT_VARIATION_FILTER) {
                // Our predictions are not useful for e-mail addresses
                // or URIs.
                mPredictionOn = false;
            }

            if ((attribute.inputType & InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE) != 0) {
                // If this is an auto-complete text view, then our predictions
                // will not be shown and instead we will allow the editor
                // to supply their own.  We only show the editor's
                // candidates when in fullscreen mode, otherwise relying
                // own it displaying its own UI.
                mPredictionOn = false;
                mCompletionOn = isFullscreenMode();
            }
            break;
            
        default:
            // For all unknown input types, default to the alphabetic
            // keyboard with no special features.
            mCurKeyboard = mArabicKeyboard;
    }

    // Update the label on the enter key, depending on what the application
    // says it will do.
    mCurKeyboard.setImeOptions(this, attribute.imeOptions);
}
 

@Override
public void onStartInput(EditorInfo attribute, boolean restarting) {
    super.onStartInput(attribute, restarting);

    //get settings
    MyConfig.setSoundOn(sharedPref.getBoolean("play_sound", true));
    MyConfig.setSwitchIme(sharedPref.getBoolean("switch_ime", false));

    mComposing.setLength(0);

    if (!restarting) {
        // clear shift states.
        mMetaState = 0;
    }

    mPredictionOn = false;
    mCompletionOn = false;

    //initializing state base on the type of text being edited
    switch (attribute.inputType & InputType.TYPE_MASK_CLASS) {
        case InputType.TYPE_CLASS_NUMBER:
        case InputType.TYPE_CLASS_DATETIME:
            //Numbers and dates default to the symbols keyboard
            mCurKeyboard = getSymbolsKeyboard(getLocaleId());
            break;
        case InputType.TYPE_CLASS_PHONE:
            //Phones will default to phone keyboard
            switch (getLocaleId()) {
                case 1:
                    mCurKeyboard = enSymbolsKeyboard;
                    break;
                case 2:
                    mCurKeyboard = mySymbolsShiftedKeyboard;
                    break;
            }
            break;
        case InputType.TYPE_CLASS_TEXT:
            // for general text editing, default to normal alphabetic keyboard and doing predictive text
            mCurKeyboard = getKeyboard(getLocaleId());
            mPredictionOn = true;

            //looking for variation of text to modify the behavior
            int variation = attribute.inputType & InputType.TYPE_MASK_VARIATION;
            if (variation == InputType.TYPE_TEXT_VARIATION_PASSWORD || variation == InputType.TYPE_TEXT_VARIATION_VISIBLE_PASSWORD) {
                //do not display prediction
                mPredictionOn = false;
            }

            if (variation == InputType.TYPE_TEXT_VARIATION_EMAIL_ADDRESS || variation == InputType.TYPE_TEXT_VARIATION_URI || variation == InputType.TYPE_TEXT_VARIATION_FILTER) {
                //prediction will not be useful for e-mail and URIs.
                mPredictionOn = false;
            }

            if ((attribute.inputType & InputType.TYPE_TEXT_FLAG_AUTO_COMPLETE) != 0) {
                //displaying prediction supplied by the editor if the input field is auto complete text view
                mPredictionOn = false;
                mCompletionOn = isFullscreenMode();
            }

            //looking at the current state of the editor to decide whether alphabetic keyboard should start out shifted
            updateShiftKeyState(attribute);
            break;

        default:
            //for all other input types, default to alphabetic keyboard of appropriate subtype
            mCurKeyboard = getKeyboard(getLocaleId());
            updateShiftKeyState(attribute);
    }
    //updating the label on enter key depending on what the application says it will do
    mCurKeyboard.setImeOptions(getResources(), attribute.imeOptions);
}