LatinKeyboardView.java

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The file containing the source code shown below is located in the corresponding directory in <sdk>/samples/android-<version>/...

/*
 * Copyright (C) 2008-2009 The Android开源工程
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.softkeyboard;

import android.content.Context;
import android.inputmethodservice.Keyboard;
import android.inputmethodservice.Keyboard.Key;
import android.inputmethodservice.KeyboardView;
import android.util.AttributeSet;
import android.view.inputmethod.InputMethodSubtype;

public class LatinKeyboardView extends KeyboardView {

    static final int KEYCODE_OPTIONS = -100;

    public LatinKeyboardView(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public LatinKeyboardView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    protected boolean onLongPress(Key key) {
        if (key.codes[0] == Keyboard.KEYCODE_CANCEL) {
            getOnKeyboardActionListener().onKey(KEYCODE_OPTIONS, null);
            return true;
        } else {
            return super.onLongPress(key);
        }
    }

    void setSubtypeOnSpaceKey(final InputMethodSubtype subtype) {
        final LatinKeyboard keyboard = (LatinKeyboard)getKeyboard();
        keyboard.setSpaceIcon(getResources().getDrawable(subtype.getIconResId()));
        invalidateAllKeys();
    }
}