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我試圖通過火力通知內的圖像,但它顯示了我的錯誤解析JSON對象 波紋管是日誌貓顯示錯誤enter image description here通過圖像火力地堡裏面的通知時收到錯誤

這是從服務器

{"to":"dJ4ege8LbI8:APA91bGqGQyIEBn2TsSnb7yZjv-2RjRCK8L1mqzxDnP0_lJBDvAPu7QzF7SVmb_gBmpo2n7w97B9mPjHpDOdDaPb-CDhngKZMOO4Xc79lrhTImsuVicf2mZOquVkhHq1JBR-KAcLf-9F","notification":{"body":"gdshgh","title":"jkhds","icon":"myicon","sound":"mysound","click_action":"OPEN_ACTIVITY"},"data":{"image":"http://www.propertynewsindia.in/wp-content/uploads/2013/11/Buy-A-New-Home.jpg"}} 

發送數據的JSON這是一個有效的JSON輸出 請幫助在此先感謝...

MyFirebaseMessagingService

public class MyFirebaseMessagingService extends FirebaseMessagingService { 
private static final String TAG = "FCM Service"; 
NotificationUtils notificationUtils; 
String imageUrl; 

@Override 
public void onMessageReceived(RemoteMessage remoteMessage) { 
    // TODO: Handle FCM messages here. 
    // If the application is in the foreground handle both data and notification messages here. 
    // Also if you intend on generating your own notifications as a result of a received FCM 
    // message, here is where that should be initiated. 
    Log.e(TAG, "From: " + remoteMessage.getFrom()); 

    if (remoteMessage == null) 
     return; 

    // Check if message contains a notification payload. 
    if (remoteMessage.getNotification() != null) { 
     Log.e(TAG, "Notification Body: " + remoteMessage.getNotification().getBody()); 
     handleNotification(remoteMessage.getNotification().getBody()); 
    } 

    // Check if message contains a data payload. 
    if (remoteMessage.getData().size() > 0) { 
     Log.e(TAG, "Data Payload: " + remoteMessage.getData().toString()); 

     try { 
      JSONObject json = new JSONObject(remoteMessage.getData().toString()); 
      handleDataMessage(json); 
     }catch (JSONException je){ 
      Log.e(TAG,"JSONException: "+je.getMessage()); 
     } 
     catch (Exception e) { 
      Log.e(TAG, "Exception: " + e.getMessage()); 
     } 
    } 
     NotificationCompat.Builder builder = new NotificationCompat.Builder(this) 
       .setSmallIcon(R.mipmap.ic_launcher) 
       .setContentTitle("test") 
       .setContentText(remoteMessage.getData().get("message")); 
     NotificationManager manager = (NotificationManager)  getSystemService(NOTIFICATION_SERVICE); 
     manager.notify(0, builder.build()); 
} 
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 
     notificationUtils = new NotificationUtils(getApplicationContext()); 
     notificationUtils.playNotificationSound(); 
     notificationUtils.getBitmapFromURL(imageUrl); 
    }else{ 
     // If the app is in background, firebase itself handles the notification 
    } 
} 

private void handleDataMessage(JSONObject json) { 
    Log.e(TAG, "push json: " + json.toString()); 

    try { 
     JSONObject data = json.getJSONObject("data"); 

     String title = data.getString("title"); 
     String message = data.getString("message"); 
     boolean isBackground = data.getBoolean("is_background"); 
     String imageUrl = data.getString("image"); 
     String timestamp = data.getString("timestamp"); 
     JSONObject payload = data.getJSONObject("payload"); 

     Log.e(TAG, "title: " + title); 
     Log.e(TAG, "message: " + message); 
     Log.e(TAG, "isBackground: " + isBackground); 
     Log.e(TAG, "payload: " + payload.toString()); 
     Log.e(TAG, "imageUrl: " + imageUrl); 
     Log.e(TAG, "timestamp: " + 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 = new NotificationUtils(getApplicationContext()); 
      notificationUtils.playNotificationSound(); 
     } else { 
      // app is in background, show the notification in notification tray 
      Intent resultIntent = new Intent(getApplicationContext(), Home.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); 
      } 
     } 
    } catch (JSONException e) { 
     Log.e(TAG, "Json Exception: " + e.getMessage()); 
    } catch (Exception e) { 
     Log.e(TAG, "Exception: " + e.getMessage()); 
    } 
} 

/** 
* 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); 
} 

}

NotificationUtills

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_launcher; 

    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_launcher) 
      .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_launcher) 
      .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 { 
     Log.i("URL-IMAGE",strURL); 
     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) { 
    boolean isInBackground = true; 
    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); 
    if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT_WATCH) { 
     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())) { 
         isInBackground = false; 
        } 
       } 
      } 
     } 
    } else { 
     List<ActivityManager.RunningTaskInfo> taskInfo = am.getRunningTasks(1); 
     ComponentName componentInfo = taskInfo.get(0).topActivity; 
     if (componentInfo.getPackageName().equals(context.getPackageName())) { 
      isInBackground = false; 
     } 
    } 

    return isInBackground; 
} 

// 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"); 
    try { 
     Date date = format.parse(timeStamp); 
     return date.getTime(); 
    } catch (ParseException e) { 
     e.printStackTrace(); 
    } 
    return 0; 
} 

}

this is the new error i'm receving after the changes.....

+0

這是什麼意思???我不明白,因爲我給音頻聲音的通知,並且聲音一直在正常工作 –

+0

你只是通過url或整個有效載荷作爲url getBitmapFromUrl方法? –

+0

我只傳遞url而不是所有的值 –

回答

0

目前你只發送1通知數據谷 「形象」,但閱讀其他值以及其缺少它,發送json如下所有

{"to":"dJ4ege8LbI8:APA91bGqGQyIEBn2TsSnb7yZjv-2RjRCK8L1mqzxDnP0_lJBDvAPu7QzF7SVmb_gBmpo2n7w97B9mPjHpDOdDaPb-CDhngKZMOO4Xc79lrhTImsuVicf2mZOquVkhHq1JBR-KAcLf-9F","notification":{"body":"gdshgh","title":"jkhds","icon":"myicon","sound":"mysound","click_action":"OPEN_ACTIVITY"},"data":{"data":{"image":"http://www.propertynewsindia.in/wp-content/uploads/2013/11/Buy-A-New-Home.jpg"},"title":"My title","message":"My message","is_background":true,"timestamp:"2017-07-31 05:42:12","payload":{"name":"Test"}}} 

和解析的代碼數據如下:要在應用程序讀取值

public class MyFirebaseMessagingService extends FirebaseMessagingService { 
private static final String TAG = "FCM Service"; 
NotificationUtils notificationUtils; 
String imageUrl; 

@Override 
public void onMessageReceived(RemoteMessage remoteMessage) { 
    // TODO: Handle FCM messages here. 
    // If the application is in the foreground handle both data and notification messages here. 
    // Also if you intend on generating your own notifications as a result of a received FCM 
    // message, here is where that should be initiated. 
    Log.e(TAG, "From: " + remoteMessage.getFrom()); 

    if (remoteMessage == null) 
     return; 

    // Check if message contains a notification payload. 
    if (remoteMessage.getNotification() != null && remoteMessage.getData().size()==0) { 
     Log.e(TAG, "Notification Body: " + remoteMessage.getNotification().getBody()); 
     handleNotification(remoteMessage.getNotification().getBody()); 
    } 

    // Check if message contains a data payload. 
    else if (remoteMessage.getData().size() > 0) { 
     Log.e(TAG, "Data Payload: " + remoteMessage.getData().toString()); 

     try { 
      JSONObject json = new JSONObject(remoteMessage.getData().getString("data")); 
      handleDataMessage(json); 
     }catch (JSONException je){ 
      Log.e(TAG,"JSONException: "+je.getMessage()); 
     } 
     catch (Exception e) { 
      Log.e(TAG, "Exception: " + e.getMessage()); 
     } 
    } 
     NotificationCompat.Builder builder = new NotificationCompat.Builder(this) 
       .setSmallIcon(R.mipmap.ic_launcher) 
       .setContentTitle("test") 
       .setContentText(remoteMessage.getData().get("message")); 
     NotificationManager manager = (NotificationManager)  getSystemService(NOTIFICATION_SERVICE); 
     manager.notify(0, builder.build()); 
} 
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 
     notificationUtils = new NotificationUtils(getApplicationContext()); 
     notificationUtils.playNotificationSound(); 
    }else{ 
     // If the app is in background, firebase itself handles the notification 
    } 
} 

private void handleDataMessage(JSONObject json) { 
    Log.e(TAG, "push json: " + json.toString()); 

    try { 

     String title = json.getString("title"); 
     String message = json.getString("message"); 
     boolean isBackground = json.getBoolean("is_background"); 
     String imageUrl = json.getString("image"); 
     String timestamp = json.getString("timestamp"); 
     JSONObject payload = json.getJSONObject("payload"); 

     Log.e(TAG, "title: " + title); 
     Log.e(TAG, "message: " + message); 
     Log.e(TAG, "isBackground: " + isBackground); 
     Log.e(TAG, "payload: " + payload.toString()); 
     Log.e(TAG, "imageUrl: " + imageUrl); 
     Log.e(TAG, "timestamp: " + 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 = new NotificationUtils(getApplicationContext()); 
      notificationUtils.playNotificationSound(); 
     } else { 
      // app is in background, show the notification in notification tray 
      Intent resultIntent = new Intent(getApplicationContext(), Home.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); 
      } 
     } 
    } catch (JSONException e) { 
     Log.e(TAG, "Json Exception: " + e.getMessage()); 
    } catch (Exception e) { 
     Log.e(TAG, "Exception: " + e.getMessage()); 
    } 
} 

/** 
* 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); 
} 
+0

{ 「到」: 「dJ4ege8LbI8:APA91bGqGQyIEBn2TsSnb7yZjv-2RjRCK8L1mqzxDnP0_lJBDvAPu7QzF7SVmb_gBmpo2n7w97B9mPjHpDOdDaPb-CDhngKZMOO4Xc79lrhTImsuVicf2mZOquVkhHq1JBR-KAcLf-9F」, 「通知」:{ 「體」: 「jhdjsj」, 「標題」 : 「jhgfdj」, 「圖標」: 「myicon」, 「click_action」: 「OPEN_ACTIVITY」}, 「數據」:{ 「圖像」:「http://www.propertynewsindia.in/wp-content/uploads/2013/ 11/Buy-A-New-Home.jpg「,」title「:」my title「,」message「:」my message「,」is_background「:true,」timestamp「:」2017-07-31 05:42 :12「,」payload「:{」title「:」jhgfdj「}}} –

+0

我得到了這個json輸出,並且我的應用程序終止了java.lang.NullPointerException:println需要一個公共位圖消息getBitmapFromURL(String strURL){ try { Log.i(「URL-IMAGE」,strURL); –

+0

我已經更改了代碼,讓您更輕鬆。現在使用更新的代碼 –