KeyboardUtils.java

/*
 * Copyright 2015 Hannes Dorfmann.
 *
 * 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.hannesdorfmann.mosby3.sample.mail.utils;

import android.content.Context;
import android.view.View;
import android.view.inputmethod.InputMethodManager;

public class KeyboardUtils {

  /**
   * Hides the soft keyboard from screen
   *
   * @param view Usually the EditText, but in dynamically  layouts you should pass the layout
   * instead of the EditText
   * @return true, if keyboard has been hidden, otherwise false (i.e. the keyboard was not displayed
   * on the screen or no Softkeyboard because device has hardware keyboard)
   */
  public static boolean hideKeyboard(View view) {

    if (view == null) {
      throw new NullPointerException("View is null!");
    }

    try {
      InputMethodManager imm =
          (InputMethodManager) view.getContext().getSystemService(Context.INPUT_METHOD_SERVICE);

      if (imm == null) {
        return false;
      }

      imm.hideSoftInputFromWindow(view.getWindowToken(), 0);
    } catch (Exception e) {
      return false;
    }

    return true;
  }
}