KeyboardVisibilityManager.kt

/*
 *  Copyright (C) 2004-2021 Savoir-faire Linux Inc.
 *
 *  Author: Romain Bertozzi <romain.bertozzi@savoirfairelinux.com>
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
package cx.ring.utils

import android.app.Activity
import android.content.Context
import android.util.Log
import android.view.View
import android.view.inputmethod.InputMethodManager

object KeyboardVisibilityManager {
    val TAG = KeyboardVisibilityManager::class.simpleName!!
    fun showKeyboard(viewToFocus: View?) {
        if (null == viewToFocus) {
            Log.d(TAG, "showKeyboard: no viewToFocus")
            return
        }
        Log.d(TAG, "showKeyboard: showing keyboard")
        viewToFocus.requestFocus()
        val imm = viewToFocus.context.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
        imm.toggleSoftInput(InputMethodManager.SHOW_FORCED, InputMethodManager.HIDE_IMPLICIT_ONLY)
    }

    @JvmStatic
    fun hideKeyboard(activity: Activity?) {
        if (null == activity) {
            Log.d(TAG, "hideKeyboard: no activity")
            return
        }
        val currentFocus = activity.currentFocus
        if (currentFocus != null) {
            Log.d(TAG, "hideKeyboard: hiding keyboard")
            currentFocus.clearFocus()
            val inputManager = activity.getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
            inputManager.hideSoftInputFromWindow(currentFocus.windowToken, 0)
        }
    }
}