android_device_samsung_msm8.../lineagehw/org/lineageos/hardware/KeyDisabler.java

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2018-07-19 12:48:02 +02:00
/*
* Copyright (C) 2014 The CyanogenMod Project
*
* 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 org.lineageos.hardware;
import org.lineageos.internal.util.FileUtils;
/*
* Disable capacitive keys
*
* This is intended for use on devices in which the capacitive keys
* can be fully disabled for replacement with a soft navbar. You
* really should not be using this on a device with mechanical or
* otherwise visible-when-inactive keys
*/
public class KeyDisabler {
private static String CONTROL_PATH = "/sys/class/sec/sec_touchkey/input/enabled";
public static boolean isSupported() {
return FileUtils.isFileWritable(CONTROL_PATH);
}
public static boolean isActive() {
return FileUtils.readOneLine(CONTROL_PATH).equals("0");
}
public static boolean setActive(boolean state) {
return FileUtils.writeLine(CONTROL_PATH, (state ? "0" : "1"));
}
}