fcmMessage

FCM/GCM推送带图片

2018-12-02  本文已影响0人  沫晚霞光

1.问题背景

公司项目要求到达手机的推送通知里能够放上一张背景图, 以及自定义通知消息, 使得推送看起来炫酷一些

下面这个是一条手机通知
-----------------------------------------------------------------
|   |图标|  [这是标题]      [背景图片占满整个通知栏]
|   |区域|  [这是标题内容]           
-----------------------------------------------------------------

2.思路

2.1 在消息字段里添加一条图片链接, 当消息到达时去请求这个图片链接
2.2 Android自定义通知栏条目显示, 需要
(1)编辑自定义的layout文件(xxxx.xml), 要包含一个ImageView控件, 用于放置我们加载的图片
(2)用RemoteView修改默认通知栏条目显示, 使用自定义的layout文件

3.开搞

3.1 如果不熟悉FCM, 传送门
3.2 在继承FirebaseMessagingService的类(一个你自己的命名)里

@Override
public void onMessageReceived(RemoteMessage remoteMessage)
{
    // 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. See sendNotification method below.

    try {
        // inspect your own notification data
        Log.d(SIG, "From: " + remoteMessage.getFrom());
        Log.d(SIG, "data: " + remoteMessage.getData());
        if (remoteMessage.getData() != null) {
            Log.d(SIG, "title: " + remoteMessage.getData().get("title"));
            Log.d(SIG, "content data: " + remoteMessage.getData().get("content"));
            Log.d(SIG, "messageCode" + remoteMessage.getData().get("messageCode"));
        }

        if (remoteMessage.getNotification() != null) {
            Log.d(SIG, "title: " + remoteMessage.getNotification().getTitle());
            Log.d(SIG, "data: " + remoteMessage.getNotification().getBody());
        }
    } catch (Exception e) {
        Log.e(SIG, e.getMessage(), e);
    }

    if (context == null) {
        context = Cocos2dxApp.getContext();
        if (context == null) {
            // when context equals null, means app closed, use service context,
            // however, intent should be changed
            context = this;
        }
    }

    notifyCustomMessage(remoteMessage);
}

private void notifyCustomMessage(RemoteMessage message)
{
    // title
    String titleString = "";
    if (message.getData() != null) {
        titleString = message.getData().get("title");
    } else if (message.getNotification() != null) {
        titleString = message.getNotification().getTitle();
    } else {
        return;
    }

    // content
    String contentTextString = "";
    if (message.getData() != null) {
        contentTextString = message.getData().get("content");
    } else if (message.getNotification() != null)  {
        contentTextString = message.getNotification().getBody();
    } else {
        return;
    }

    // bgImageUrlField
    String bgImageUrlField = null;
    if (message.getData() != null) {
        bgImageUrlField = message.getData().get("bgImageUrl");
    }

    NotificationManager notificationManager = (NotificationManager) this.getSystemService(Context.NOTIFICATION_SERVICE);

    // an intent when notification bar is clicked
    // Replace [SplashActivity.class] using your own app startup activity
    Intent it = new Intent(context, SplashActivity.class);  
    it.putExtra("messageCode", message.getData().get("messageCode"));
    PendingIntent contentIndent = PendingIntent.getActivity(context, 0, it, PendingIntent.FLAG_UPDATE_CURRENT);

    RemoteViews remoteViews = new RemoteViews(getPackageName(), R.layout.push_notify_view);
    // notification's icon
    remoteViews.setImageViewResource(R.id.notif_icon, R.mipmap.ic_launcher);
    // notification's title
    remoteViews.setTextViewText(R.id.notif_title, titleString);
    // notification's content
    remoteViews.setTextViewText(R.id.notif_content, contentTextString);
    // notification's time
    Log.d(SIG, "test time: " + ( new SimpleDateFormat("HH:mm").format(new Date())) );
    remoteViews.setTextViewText(R.id.notif_cur_time, new SimpleDateFormat("HH:mm").format(new Date()));

    Notification notification = new NotificationCompat.Builder(context)
        .setContentTitle(titleString)
        .setTicker(titleString)
        .setContentText(contentTextString)
        .setSmallIcon(R.mipmap.ic_launcher)
        .setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.ic_launcher))
        .setWhen(System.currentTimeMillis())
        .setContent(remoteViews)
        .setAutoCancel(true)
        .setContentIntent(contentIndent)
        .setDefaults(NotificationCompat.DEFAULT_ALL)
        .build();

    // notification's background
    final String bgImageUrl = bgImageUrlField;
    final RemoteViews rmv = remoteViews;
    final NotificationManager nfm = notificationManager;
    final Notification nf = notification;
    Handler uiHandler = new Handler(Looper.getMainLooper());
    uiHandler.post(new Runnable(){
        @Override
        public void run() {
            if ( ! bgImageUrl.equals(null)) {
                Picasso.with(getApplicationContext()).load(bgImageUrl).into(rmv, R.id.push_bg, status_code, nf);
            }
            nfm.notify(status_code, nf);
            status_code++;
        }
    });
}

3.3 编辑自己的layout

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="100dp"
    android:orientation="horizontal"
    android:id="@+id/notif_small">

    <ImageView
        android:id="@+id/push_bg"
        android:contentDescription=""
        android:layout_width= "1136dp"
        android:layout_height="105dp"
        android:layout_centerVertical="true"
        android:layout_centerHorizontal="true"
        android:layout_centerInParent="true"
        android:scaleType="centerCrop"/>

    <ImageView
        android:id="@+id/notif_icon"
        android:contentDescription=""
        android:layout_width="90dp"
        android:layout_height="90dp"
        android:layout_centerVertical="true"
        android:layout_alignParentLeft="true"
        android:src="@mipmap/ic_launcher"
        android:layout_marginLeft="7dp"
        android:layout_marginRight="9dp"/>

    <TextView
        android:id="@+id/notif_title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@id/notif_icon"
        android:singleLine="true"
        android:paddingTop="18dp"
        android:textSize="24sp"
        android:textStyle="bold"
        android:textColor="#ffffff"
        android:text="@string/app_name"/>

    <TextView
        android:id="@+id/notif_cur_time"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentRight="true"
        android:paddingTop="22dp"
        android:paddingRight="30dp"
        android:singleLine="true"
        android:textSize="16sp"
        android:textColor="#ffffff"
        android:text="Content" />

    <TextView
        android:id="@+id/notif_content"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_toRightOf="@id/notif_icon"
        android:paddingBottom="19dp"
        android:layout_alignParentBottom="true"
        android:singleLine="true"
        android:textSize="20sp"
        android:textColor="#FFFF70"
        android:text="Content" />
</RelativeLayout>

3.4 在自己的build.gradle里添加Picasso支持

dependencies {
    //...
    // Picasso Image Library
    compile 'com.squareup.picasso:picasso:2.5.2'
    // ...
}

4. 注意事项

(1) Google FCM默认有两种消息:(1)数据消息 (2) 通知消息
使用自定义通知形式, 必须使用通知消息
相关参考:
传送门1
传送门2
(2) 目前使用Google的Firebase控制台只能发送通知消息

虽然代码很糟糕, 但亲测可用!
虽然代码很糟糕, 但亲测可用!
虽然代码很糟糕, 但亲测可用!
引用
  1. FCM官方文档
  2. 海外 App 的推送服务,试试 FCM 吧!!!
  3. How to handle notification when app in background in Firebase
  4. Firebase onMessageReceived not called when app in background
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