對(duì)于Android來(lái)說(shuō)其中一項(xiàng)很方便的操作便是下拉菜單,下拉菜單欄可以快捷打開(kāi)某項(xiàng)設(shè)置,這篇文章主要給大家介紹了關(guān)于Android通知欄增加快捷開(kāi)關(guān)的功能實(shí)現(xiàn),需要的朋友可以參考下

一，先看效果圖

華為MatePad11 系統(tǒng)鴻蒙3.0

華為HONOR Pad 6 系統(tǒng)鴻蒙2.0

小米 NOTE PRO 系統(tǒng)7.0

華為Mate 8 系統(tǒng)8.0

魅族6T 系統(tǒng)7.0

錘子系統(tǒng)11

OPPO 系統(tǒng)12

在系統(tǒng)7.0鎖屏頁(yè)效果

二，實(shí)現(xiàn)方式

創(chuàng)建通知管理類NotifyBuilderManager代碼如下：

package com.idujing.myapplication.manager;
import android.annotation.SuppressLint;
import android.app.Notification;
import android.app.NotificationChannel;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.app.Service;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import androidx.core.app.NotificationCompat;
import com.idujing.myapplication.R;
/**
 * 音頻播放通知欄管理
 */
public class NotifyBuilderManager {
    private final String TAG = getClass().getSimpleName();
    public static final String ACTION_NEXT = "com.idujing.play.notify.next";// 下一首
    public static final String ACTION_PREV = "com.idujing.play.notify.prev";// 上一首
    public static final String ACTION_PLAY_PAUSE = "com.idujing.play.notify.play_state";// 播放暫停廣播
    private static final int NOTIFICATION_ID = 0x123;
    private Service mContext;
    private Notification mNotification;
    private NotificationManager mNotificationManager;
    private NotificationCompat.Builder mNotificationBuilder;
    private MediaSessionManager mSessionManager;
    private PendingIntent mPendingPlay;
    private PendingIntent mPendingPre;
    private PendingIntent mPendingNext;
    private boolean isRunningForeground = false;
    public boolean isRunningForeground() {
        return isRunningForeground;
    }
    public NotifyBuilderManager(Service context) {
        this.mContext = context;
        mSessionManager = new MediaSessionManager(context, null);
    }
    /**
     * 初始化通知欄
     */
    private void initNotify() {
        mNotificationManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
        Class<?> clazz = null;
        try {
            clazz = Class.forName("具體的播放器類名");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        // 適配12.0及以上
        int flag;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
            flag = PendingIntent.FLAG_IMMUTABLE;
        } else {
            flag = PendingIntent.FLAG_UPDATE_CURRENT;
        }
        //綁定事件通過(guò)創(chuàng)建的具體廣播去接收即可。
        Intent infoIntent = new Intent(mContext, clazz);
        PendingIntent pendingInfo = PendingIntent.getActivity(mContext, 0, infoIntent, flag);
        Intent preIntent = new Intent();
        preIntent.setAction(ACTION_PREV);
        mPendingPre = PendingIntent.getBroadcast(mContext, 1, preIntent, flag);
        Intent playIntent = new Intent();
        playIntent.setAction(ACTION_PLAY_PAUSE);
        mPendingPlay = PendingIntent.getBroadcast(mContext, 2, playIntent, flag);
        Intent nextIntent = new Intent();
        nextIntent.setAction(ACTION_NEXT);
        mPendingNext = PendingIntent.getBroadcast(mContext, 3, nextIntent, PendingIntent.FLAG_IMMUTABLE);
        androidx.media.app.NotificationCompat.MediaStyle style = new androidx.media.app.NotificationCompat.MediaStyle()
                .setShowActionsInCompactView(0, 1, 2)
                .setMediaSession(mSessionManager.getMediaSession());
        mNotificationBuilder = new NotificationCompat.Builder(mContext, initChannelId())
                .setSmallIcon(R.mipmap.ic_launcher)
                .setPriority(NotificationCompat.PRIORITY_MAX)
                .setContentIntent(pendingInfo)
                .setVisibility(NotificationCompat.VISIBILITY_PUBLIC)
                .setStyle(style);
        isRunningForeground = true;
    }
    /**
     * 創(chuàng)建Notification ChannelID
     *
     * @return 頻道id
     */
    private String initChannelId() {
        // 通知渠道的id
        String id = "music_01";
        // 用戶可以看到的通知渠道的名字.
        CharSequence name = mContext.getString(R.string.app_name);
        // 用戶可以看到的通知渠道的描述
        String description = "通知欄播放控制";
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            int importance = NotificationManager.IMPORTANCE_LOW;
            NotificationChannel channel = new NotificationChannel(id, name, importance);
            channel.setDescription(description);
            channel.enableLights(false);
            channel.enableVibration(false);
            mNotificationManager.createNotificationChannel(channel);
        }
        return id;
    }
    /**
     * 取消通知
     */
    public void cancelNotification() {
        if (mNotificationManager != null) {
            mContext.stopForeground(true);
            mNotificationManager.cancel(NOTIFICATION_ID);
            isRunningForeground = false;
        }
    }
    /**
     * 設(shè)置通知欄大圖片
     */
    private void updateCoverSmall() {
        Glide.with(mContext).asBitmap()
                .load(url)
                .into(new CustomTarget<Bitmap>() {
                    @Override
                    public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
                        mNotificationBuilder.setLargeIcon(resource);
                        mNotification = mNotificationBuilder.build();
                        mNotificationManager.notify(NOTIFICATION_ID, mNotification);
                    }
                    @Override
                    public void onLoadCleared(@Nullable Drawable placeholder) {
                    }
                    @Override
                    public void onLoadFailed(@Nullable Drawable errorDrawable) {
                        super.onLoadFailed(errorDrawable);
                        Log.e(TAG, "onLoadFailed: ");
                    }
                });
    }
    /**
     * 更新?tīng)顟B(tài)欄通知
     */
    @SuppressLint("RestrictedApi")
    public void updateNotification(boolean isMusicPlaying) {
        if (mNotification == null) {
            initNotify();
        }
        mSessionManager.updateMetaData();
        if (mNotificationBuilder != null) {
            int playButtonResId = isMusicPlaying
                    ? android.R.drawable.ic_media_pause : android.R.drawable.ic_media_play;
            if (!mNotificationBuilder.mActions.isEmpty()) {
                mNotificationBuilder.mActions.clear();
            }
            mNotificationBuilder
                    .addAction(android.R.drawable.ic_media_previous, "Previous", mPendingPre) // #0
                    .addAction(playButtonResId, "Pause", mPendingPlay)  // #1
                    .addAction(android.R.drawable.ic_media_next, "Next", mPendingNext);
            mNotificationBuilder.setContentTitle("主標(biāo)題");
            mNotificationBuilder.setContentText("副標(biāo)題");
            updateCoverSmall();
            mNotification = mNotificationBuilder.build();
            mContext.startForeground(NOTIFICATION_ID, mNotification);
            mNotificationManager.notify(NOTIFICATION_ID, mNotification);
        }
    }
}

創(chuàng)建音控管理類MediaSessionManager代碼如下：

package com.idujing.myapplication.manager;
import android.content.Context;
import android.os.Handler;
import android.support.v4.media.MediaMetadataCompat;
import android.support.v4.media.session.MediaSessionCompat;
import android.support.v4.media.session.PlaybackStateCompat;
/**
 * 主要管理Android 5.0以后線控和藍(lán)牙遠(yuǎn)程控制播放
 */
public class MediaSessionManager {
    private static final String TAG = "MediaSessionManager";
    //指定可以接收的來(lái)自鎖屏頁(yè)面的按鍵信息
    private static final long MEDIA_SESSION_ACTIONS =
            PlaybackStateCompat.ACTION_PLAY
                    | PlaybackStateCompat.ACTION_PAUSE
                    | PlaybackStateCompat.ACTION_PLAY_PAUSE
                    | PlaybackStateCompat.ACTION_SKIP_TO_NEXT
                    | PlaybackStateCompat.ACTION_SKIP_TO_PREVIOUS
                    | PlaybackStateCompat.ACTION_STOP
                    | PlaybackStateCompat.ACTION_SEEK_TO;
    private final Context mContext;
    private MediaSessionCompat mMediaSession;
    private Handler mHandler;
    public MediaSessionManager(Context context, Handler handler) {
        this.mContext = context;
        this.mHandler = handler;
        setupMediaSession();
    }
    /**
     * 是否在播放
     *
     * @return
     */
    protected boolean isPlaying() {
        //具體去實(shí)現(xiàn)
        return false;
    }
    /**
     * 初始化并激活 MediaSession
     */
    private void setupMediaSession() {
        mMediaSession = new MediaSessionCompat(mContext, TAG);
        //指明支持的按鍵信息類型
        mMediaSession.setFlags(
                MediaSessionCompat.FLAG_HANDLES_MEDIA_BUTTONS |
                        MediaSessionCompat.FLAG_HANDLES_TRANSPORT_CONTROLS
        );
        mMediaSession.setCallback(callback, mHandler);
        mMediaSession.setActive(true);
    }
    /**
     * 更新正在播放的音樂(lè)信息，切換歌曲時(shí)調(diào)用
     */
    public void updateMetaData() {
        MediaMetadataCompat.Builder metaDta = new MediaMetadataCompat.Builder()
                .putString(MediaMetadataCompat.METADATA_KEY_TITLE, "title")
                .putString(MediaMetadataCompat.METADATA_KEY_ARTIST, "Artist")
                .putString(MediaMetadataCompat.METADATA_KEY_ALBUM, "Album")
                .putString(MediaMetadataCompat.METADATA_KEY_ALBUM_ARTIST, "Artist")
                .putLong(MediaMetadataCompat.METADATA_KEY_DURATION, 100);
        mMediaSession.setMetadata(metaDta.build());
        int state = isPlaying() ? PlaybackStateCompat.STATE_PLAYING :
                PlaybackStateCompat.STATE_PAUSED;
        mMediaSession.setPlaybackState(new PlaybackStateCompat.Builder()
                .setActions(MEDIA_SESSION_ACTIONS)
                .setState(state, 0, 1)
                .build());
   //鎖屏頁(yè)封面設(shè)置，高本版沒(méi)有效果，因?yàn)橥ㄖ獧跈?quán)限調(diào)整。
        Glide.with(mContext).asBitmap().
                load(url)
                .into(new CustomTarget<Bitmap>() {
                    @Override
                    public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
                        metaDta.putBitmap(MediaMetadataCompat.METADATA_KEY_ALBUM_ART, resource);
                        mMediaSession.setMetadata(metaDta.build());
                    }
                    @Override
                    public void onLoadCleared(@Nullable Drawable placeholder) {
                    }
                });
    }
    public MediaSessionCompat.Token getMediaSession() {
        return mMediaSession.getSessionToken();
    }
    /**
     * 釋放MediaSession，退出播放器時(shí)調(diào)用
     */
    public void release() {
        mMediaSession.setCallback(null);
        mMediaSession.setActive(false);
        mMediaSession.release();
    }
    /**
     * API 21 以上 耳機(jī)多媒體按鈕監(jiān)聽(tīng) MediaSessionCompat.Callback
     */
    private MediaSessionCompat.Callback callback = new MediaSessionCompat.Callback() {
        @Override
        public void onPlay() {
           //具體自己實(shí)現(xiàn)
        }
        @Override
        public void onPause() {
        }
        @Override
        public void onSkipToNext() {
        }
        @Override
        public void onSkipToPrevious() {
        }
        @Override
        public void onStop() {
        }
        @Override
        public void onSeekTo(long pos) {
        }
    };
}

創(chuàng)建音頻焦點(diǎn)控制類AudioAndFocusManager

通過(guò)音頻焦點(diǎn)控制，不管是別的應(yīng)用搶占焦點(diǎn)，還是打電話都可以接收到狀態(tài)。

package com.idujing.myapplication.manager;
import android.content.Context;
import android.media.AudioFocusRequest;
import android.media.AudioManager;
import android.os.Build;
import android.util.Log;
import androidx.annotation.RequiresApi;
/**
 * Description:    主要用來(lái)管理音頻焦點(diǎn)
 */
public class AudioAndFocusManager {
    private static final String TAG = "AudioAndFocusManager";
    private AudioManager mAudioManager;
    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
    public AudioAndFocusManager(Context mContext) {
        mAudioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
    }
    /**
     * 請(qǐng)求音頻焦點(diǎn)
     */
    public void requestAudioFocus() {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
            AudioFocusRequest mAudioFocusRequest = new AudioFocusRequest.Builder(AudioManager.AUDIOFOCUS_GAIN)
                    .setOnAudioFocusChangeListener(audioFocusChangeListener)
                    .build();
            int res = mAudioManager.requestAudioFocus(mAudioFocusRequest);
            if (res == 1) {
                Log.e(TAG, "res=" + true);
            }
        } else {
            if (audioFocusChangeListener != null) {
                boolean result = AudioManager.AUDIOFOCUS_REQUEST_GRANTED ==
                        mAudioManager.requestAudioFocus(audioFocusChangeListener,
                                AudioManager.STREAM_MUSIC,
                                AudioManager.AUDIOFOCUS_GAIN);
                Log.e(TAG, "requestAudioFocus result=" + result);
            }
        }
    }
    /**
     * 關(guān)閉音頻焦點(diǎn)
     */
    public void abandonAudioFocus() {
        if (audioFocusChangeListener != null) {
            boolean result = AudioManager.AUDIOFOCUS_REQUEST_GRANTED ==
                    mAudioManager.abandonAudioFocus(audioFocusChangeListener);
            Log.e(TAG, "abandonAudioFocus result=" + result);
        }
    }
    /**
     * 音頻焦點(diǎn)改變監(jiān)聽(tīng)器
     */
    private AudioManager.OnAudioFocusChangeListener audioFocusChangeListener = focusChange -> {
        switch (focusChange) {
            case AudioManager.AUDIOFOCUS_LOSS://失去音頻焦點(diǎn)
            case AudioManager.AUDIOFOCUS_LOSS_TRANSIENT://暫時(shí)失去焦點(diǎn)
                break;
            case AudioManager.AUDIOFOCUS_GAIN://獲取焦點(diǎn)
                break;
            default:
        }
    };
}

到此這篇關(guān)于Android媒體通知欄多系統(tǒng)適配實(shí)例講解的文章就介紹到這了,更多相關(guān)Android媒體通知欄適配內(nèi)容請(qǐng)搜索腳本之家以前的文章或繼續(xù)瀏覽下面的相關(guān)文章希望大家以后多多支持腳本之家！

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