Returns a constant indicating the call state (cellular) on the device, includes CALL_STATE_IDLE, CALL_STATE_OFFHOOK, CALL_STATE_RINGING. - Android Android OS

Android examples for Android OS:Device

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Description

Returns a constant indicating the call state (cellular) on the device, includes CALL_STATE_IDLE, CALL_STATE_OFFHOOK, CALL_STATE_RINGING.

Demo Code

/*// www . j  av  a  2s .  c  o  m
 * Copyright (C) 2016 venshine.cn@gmail.com
 *
 * 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.java2s;
import android.content.Context;
import android.telephony.TelephonyManager;

public class Main {
    /**
     * Returns a constant indicating the call state (cellular) on the device, includes CALL_STATE_IDLE,
     * CALL_STATE_OFFHOOK, CALL_STATE_RINGING.
     * 
     * @param context
     * @return
     */
    public static int getCallState(Context context) {
        TelephonyManager tm = (TelephonyManager) context
                .getSystemService(Context.TELEPHONY_SERVICE);
        return tm.getCallState();
    }
}

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