如何设置自定义单击通知android

当应用程序在后台运行时，推送通知将会到来，我想实现一个单击，该单击导航到另一个活动（Mainchat.class，我尝试了待处理的缩进，但所有其他活动仍然启动了启动活动）

这是当应用程序处于后台时传递我的意图的代码

****** MyFirebaseMessagingservice ******

public class MyFirebaseMessagingService extends FirebaseMessagingService {

    private static final String TAG = MyFirebaseMessagingService.class.getSimpleName();
    private NotificationUtils notificationUtils;

    @Override
    public void onMessageReceived(RemoteMessage remoteMessage) {
        Log.e(TAG, "From: " + remoteMessage.getFrom());
        Log.e(TAG, "MSSGTYPE: " + remoteMessage.getMessageType());


        if (remoteMessage == null)
            return;

        // Check if message contains a notification payload.
        if (remoteMessage.getNotification() != null) {
            handleNotification(remoteMessage.getNotification().getBody());
        }

        if (remoteMessage.getData() != null) {


            if (remoteMessage.getData().containsKey("token")) {

                String Sender_name = remoteMessage.getData().get("sender");
                String messageBody = remoteMessage.getData().get("body");
                String messageCount = remoteMessage.getData().get("messageCount");
                String senderId = remoteMessage.getData().get("senderId");
                String chatNotification = remoteMessage.getData().get("chatNotification");


                Intent pushNotification = new Intent(Config.MESSAGE_NOTIFICATION);
                pushNotification.putExtra("message", messageBody);
                pushNotification.putExtra("Sender_name", Sender_name);
                pushNotification.putExtra("messageCount ", messageCount);
                pushNotification.putExtra("senderId", senderId);
                pushNotification.putExtra("chatNotification", chatNotification);
                LocalBroadcastManager.getInstance(this).sendBroadcast(pushNotification);
                pushNotification.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */, pushNotification,
                        PendingIntent.FLAG_ONE_SHOT);

            } else {

                Intent intent = new Intent(Config.PUSH_NOTIFICATION);
                intent.putExtra("message", remoteMessage.getData().get("body"));
                LocalBroadcastManager.getInstance(this).sendBroadcast(intent);
                intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
                PendingIntent pendingIntent = PendingIntent.getActivity(this, 0 /* Request code */, new Intent(this, NewNotification.class),
                        PendingIntent.FLAG_UPDATE_CURRENT);
            }
        }
    }



private void handleNotification(String message) {
        if (!NotificationUtils.isAppIsInBackground(getApplicationContext())) {
            // app is in foreground, broadcast the push message
            Intent pushNotification = new Intent(Config.PUSH_NOTIFICATION);
            pushNotification.putExtra("message", message);
            LocalBroadcastManager.getInstance(this).sendBroadcast(pushNotification);

            // play notification sound
           //Commented by venkatesh

            NotificationUtils notificationUtils = new NotificationUtils(getApplicationContext());
            notificationUtils.playNotificationSound();

        } else {
            // If the app is in background, firebase itself handles the notification
            Log.d(TAG, "Notification");
            handleDataMessage(message);
        }
    }



private void handleDataMessage(String message) {
        Log.e(TAG, "push json message: " + message);
        String title = "getsummary";

        boolean isBackground = true;
        String imageUrl = "";
        String timestamp = "";


        if (!NotificationUtils.isAppIsInBackground(getApplicationContext())) {
            // app is in foreground, broadcast the push message
            Intent pushNotification = new Intent(Config.PUSH_NOTIFICATION);
            pushNotification.putExtra("message", message);
            LocalBroadcastManager.getInstance(this).sendBroadcast(pushNotification);

            // play notification sound
            NotificationUtils notificationUtils = new NotificationUtils(getApplicationContext());
            notificationUtils.playNotificationSound();
        } else {
            // app is in background, show the notification in notification tray

//            Intent resultIntent = new Intent(getApplicationContext(), MainActivity.class);
//            resultIntent.putExtra("message", message);
//
            Intent resultIntent = new Intent(getApplicationContext(), MainChat.class);
            resultIntent.putExtra("message", message);

            // check for image attachment
            if (TextUtils.isEmpty(imageUrl)) {
                showNotificationMessage(getApplicationContext(), title, message, timestamp, resultIntent);
            } else {
                // image is present, show notification with image
                showNotificationMessageWithBigImage(getApplicationContext(), title, message, timestamp, resultIntent, imageUrl);
            }
        }

    }


    public String getAppLable(Context context) {
        PackageManager packageManager = context.getPackageManager();
        ApplicationInfo applicationInfo = null;
        try {
            applicationInfo = packageManager.getApplicationInfo(context.getApplicationInfo().packageName, 0);
        } catch (final PackageManager.NameNotFoundException e) {
        }
        return (String) (applicationInfo != null ? packageManager.getApplicationLabel(applicationInfo) : "Unknown");
    }

    /**
     * Showing notification with text only
     */
    private void showNotificationMessage(Context context, String title, String message, String timeStamp, Intent intent) {
        notificationUtils = new NotificationUtils(context);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
        notificationUtils.showNotificationMessage(title, message, timeStamp, intent);
    }

    /**
     * Showing notification with text and image
     */
    private void showNotificationMessageWithBigImage(Context context, String title, String message, String timeStamp, Intent intent, String imageUrl) {
        notificationUtils = new NotificationUtils(context);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
        notificationUtils.showNotificationMessage(title, message, timeStamp, intent, imageUrl);
    }
这是我的Nottificationuttils.clas

public class NotificationUtils {

    private static String TAG = NotificationUtils.class.getSimpleName();
    private Context mContext;

    public NotificationUtils(Context mContext) {
        this.mContext = mContext;
    }

    public void showNotificationMessage(String title, String message, String timeStamp, Intent intent) {
        showNotificationMessage(title, message, timeStamp, intent, null);
    }

    public void showNotificationMessage(final String title, final String message, final String timeStamp, Intent intent, String imageUrl) {
        // Check for empty push message
        if (TextUtils.isEmpty(message))
            return;


        // notification icon
        final int icon = R.mipmap.ic_launcher1;

        intent.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_SINGLE_TOP);
        final PendingIntent resultPendingIntent =
                PendingIntent.getActivity(
                        mContext,
                        0,
                        intent,
                        PendingIntent.FLAG_CANCEL_CURRENT
                );

        final NotificationCompat.Builder mBuilder = new NotificationCompat.Builder(
                mContext);

        final Uri alarmSound = Uri.parse(ContentResolver.SCHEME_ANDROID_RESOURCE
                + "://" + mContext.getPackageName() + "/raw/notification");

        if (!TextUtils.isEmpty(imageUrl)) {

            if (imageUrl != null && imageUrl.length() > 4 && Patterns.WEB_URL.matcher(imageUrl).matches()) {

                Bitmap bitmap = getBitmapFromURL(imageUrl);

                if (bitmap != null) {
                    showBigNotification(bitmap, mBuilder, icon, title, message, timeStamp, resultPendingIntent, alarmSound);
                } else {
                    showSmallNotification(mBuilder, icon, title, message, timeStamp, resultPendingIntent, alarmSound);
                }
            }
        } else {
            showSmallNotification(mBuilder, icon, title, message, timeStamp, resultPendingIntent, alarmSound);
            playNotificationSound();
        }
    }


    private void showSmallNotification(NotificationCompat.Builder mBuilder, int icon, String title, String message, String timeStamp, PendingIntent resultPendingIntent, Uri alarmSound) {

        NotificationCompat.InboxStyle inboxStyle = new NotificationCompat.InboxStyle();

        inboxStyle.addLine(message);

        Notification notification;
        notification = mBuilder.setSmallIcon(icon).setTicker(title).setWhen(0)
                .setAutoCancel(true)
                .setContentTitle(title)
                .setContentIntent(resultPendingIntent)
                .setSound(alarmSound)
                .setStyle(inboxStyle)
                .setWhen(getTimeMilliSec(timeStamp))
                .setSmallIcon(R.mipmap.ic_launcher1)
                .setLargeIcon(BitmapFactory.decodeResource(mContext.getResources(), icon))
                .setContentText(message)
                .build();

        NotificationManager notificationManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
        notificationManager.notify(Config.NOTIFICATION_ID, notification);
    }

    private void showBigNotification(Bitmap bitmap, NotificationCompat.Builder mBuilder, int icon, String title, String message, String timeStamp, PendingIntent resultPendingIntent, Uri alarmSound) {
        NotificationCompat.BigPictureStyle bigPictureStyle = new NotificationCompat.BigPictureStyle();
        bigPictureStyle.setBigContentTitle(title);
        bigPictureStyle.setSummaryText(Html.fromHtml(message).toString());
        bigPictureStyle.bigPicture(bitmap);
        Notification notification;
        notification = mBuilder.setSmallIcon(icon).setTicker(title).setWhen(0)
                .setAutoCancel(true)
                .setContentTitle(title)
                .setContentIntent(resultPendingIntent)
                .setSound(alarmSound)
                .setStyle(bigPictureStyle)
                .setWhen(getTimeMilliSec(timeStamp))
                .setSmallIcon(R.mipmap.ic_launcher1)
                .setLargeIcon(BitmapFactory.decodeResource(mContext.getResources(), icon))
                .setContentText(message)
                .build();

        NotificationManager notificationManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE);
        notificationManager.notify(Config.NOTIFICATION_ID_BIG_IMAGE, notification);
    }

    /**
     * Downloading push notification image before displaying it in
     * the notification tray
     */
    public Bitmap getBitmapFromURL(String strURL) {
        try {
            URL url = new URL(strURL);
            HttpURLConnection connection = (HttpURLConnection) url.openConnection();
            connection.setDoInput(true);
            connection.connect();
            InputStream input = connection.getInputStream();
            Bitmap myBitmap = BitmapFactory.decodeStream(input);
            return myBitmap;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    // Playing notification sound
    public void playNotificationSound() {
        try {
            Uri alarmSound = Uri.parse(ContentResolver.SCHEME_ANDROID_RESOURCE
                    + "://" + mContext.getPackageName() + "/raw/notification");
            Ringtone r = RingtoneManager.getRingtone(mContext, alarmSound);
            r.play();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     * Method checks if the app is in background or not
     */
    public static boolean isAppIsInBackground(Context context) {
        ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningAppProcessInfo> runningProcesses = am.getRunningAppProcesses();
        for (ActivityManager.RunningAppProcessInfo processInfo : runningProcesses) {
            if (processInfo.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
                for (String activeProcess : processInfo.pkgList) {
                    if (activeProcess.equals(context.getPackageName())) {
                        //If your app is the process in foreground, then it's not in running in background
                        return false;
                    }
                }
            }
        }


        return true;
    }


    // Clears notification tray messages
    public static void clearNotifications(Context context) {
        NotificationManager notificationManager = (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
        notificationManager.cancelAll();
    }

    public static long getTimeMilliSec(String timeStamp) {
        SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss",Locale.ENGLISH);
        try {
            Date date = format.parse(timeStamp);
            return date.getTime();
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return 0;
    }

}

当我单击推送通知时，它不起作用，它将启动启动画面活动，可以 帮助我解决此问题