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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.inputmethod.compat;
     18 
     19 import android.media.AudioManager;
     20 
     21 import java.lang.reflect.Method;
     22 
     23 public class AudioManagerCompatWrapper {
     24     private static final Method METHOD_isWiredHeadsetOn = CompatUtils.getMethod(
     25             AudioManager.class, "isWiredHeadsetOn");
     26     private static final Method METHOD_isBluetoothA2dpOn = CompatUtils.getMethod(
     27             AudioManager.class, "isBluetoothA2dpOn");
     28 
     29     private final AudioManager mManager;
     30 
     31     public AudioManagerCompatWrapper(AudioManager manager) {
     32         mManager = manager;
     33     }
     34 
     35     /**
     36      * Checks whether audio routing to the wired headset is on or off.
     37      *
     38      * @return true if audio is being routed to/from wired headset;
     39      *         false if otherwise
     40      */
     41     public boolean isWiredHeadsetOn() {
     42         return (Boolean) CompatUtils.invoke(mManager, false, METHOD_isWiredHeadsetOn);
     43     }
     44 
     45     /**
     46      * Checks whether A2DP audio routing to the Bluetooth headset is on or off.
     47      *
     48      * @return true if A2DP audio is being routed to/from Bluetooth headset;
     49      *         false if otherwise
     50      */
     51     public boolean isBluetoothA2dpOn() {
     52         return (Boolean) CompatUtils.invoke(mManager, false, METHOD_isBluetoothA2dpOn);
     53     }
     54 }
     55