com.darly.im.ui.BaseFragment.java Source code

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Here is the source code for com.darly.im.ui.BaseFragment.java

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/*
 *  Copyright (c) 2015 The CCP project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a Beijing Speedtong Information Technology Co.,Ltd license
 *  that can be found in the LICENSE file in the root of the web site.
 *
 *   http://www.yuntongxun.com
 *
 *  An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */package com.darly.im.ui;

import android.media.AudioManager;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.view.KeyEvent;

import com.darly.im.common.AudioManagerTools;
import com.darly.im.common.utils.LogUtil;

/**
 * BaseFragment??
 * Created by Jorstin on 2015/3/18.
 */
public abstract class BaseFragment extends CCPFragment {

    /**?CCPFragmentFragmentActivity*/
    private FragmentActivity mActionBarActivity;
    private AudioManager mAudioManager;

    /**AudioManager.STREAM_MUSIC?*/
    private int mMusicMaxVolume;

    /**
     * ActionBarActivity
     * @param activity
     */
    public void setActionBarActivity(FragmentActivity activity) {
        this.mActionBarActivity = activity;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mAudioManager = AudioManagerTools.getInstance().getAudioManager();
        mMusicMaxVolume = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
    }

    /**
     * ?,??
     * @param keyCode
     * @param event
     */
    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {
        if ((event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_UP) && mAudioManager != null) {
            int streamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
            if (streamVolume >= mMusicMaxVolume) {
                LogUtil.d(LogUtil.getLogUtilsTag(BaseFragment.class), "has set the max volume");
                return true;
            }
            int mean = mMusicMaxVolume / 7;
            if (mean == 0) {
                mean = 1;
            }
            mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, streamVolume + mean,
                    AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_SHOW_UI);
            return true;
        }
        if ((event.getKeyCode() == KeyEvent.KEYCODE_VOLUME_DOWN) && mAudioManager != null) {
            int streamVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
            int mean = mMusicMaxVolume / 7;
            if (mean == 0) {
                mean = 1;
            }
            mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, streamVolume - mean,
                    AudioManager.FLAG_PLAY_SOUND | AudioManager.FLAG_SHOW_UI);
            return true;
        }

        return super.onKeyDown(keyCode, event);
    }
}