显示空白文本和标题的 Android 自定义推送通知

Question

我正在尝试设置自定义通知布局

 RemoteViews contentView = new RemoteViews(getPackageName(), R.layout.custom_notification_layout);
        contentView.setImageViewResource(R.id.image_customNote,R.mipmap.ic_notification);
        contentView.setTextViewText(R.id.title_customNote,title);
        contentView.setTextViewText(R.id.text_customNote, messageBody);


        Uri defaultSoundUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_NOTIFICATION);
        NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(this)
                .setPriority(Notification.PRIORITY_HIGH)
                .setAutoCancel(true)
                //.setContentText(title)
               // .setContentText(messageBody)
                .setTicker(title)
                .setSound(defaultSoundUri)
              /*  .setStyle(new NotificationCompat.BigTextStyle().bigText(title))
                .setStyle(new NotificationCompat.BigTextStyle().bigText(messageBody))*/
                .setCustomContentView(contentView)
                .setCustomBigContentView(contentView)
                .setContentIntent(pendingIntent)
                .setSmallIcon(getNotificationIcon()).setColor(ContextCompat.getColor(this, R.color.colorPrimary));
             //   .addAction(R.drawable.ic_launcher, "Previous", pendingIntent)
             //   .setColor(ContextCompat.getColor(this, R.color.colorPrimary));

        notificationManager.notify(new Random().nextInt(), notificationBuilder.build());

这是我正在尝试的代码，

这是我的xml文件

   <?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/layout"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

    <ImageView
        android:id="@+id/image_customNote"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_marginRight="10dp" />

    <TextView
        android:id="@+id/title_customNote"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/black"
        android:layout_toRightOf="@id/image_customNote"

        />

    <TextView
        android:id="@+id/text_customNote"
        android:textColor="@android:color/black"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/title_customNote"
        android:layout_toRightOf="@id/image_customNote" />
</RelativeLayout>

当我收到通知时，自定义 View 未设置且通知 View 完全空白...请帮忙

Answer 1

问题出在您的 xml 中。

1. 您没有“title”的 ID。您需要将第二个 textView 设置为 android:layout_below="@id/title_customNote"
2. 删除样式 - 并为 TextView 设置文本颜色 - 文本已设置，但颜色是透明的。

这个 xml 对我有用:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/layout"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content">

    <ImageView
        android:id="@+id/image_customNote"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentLeft="true"
        android:layout_marginRight="10dp" />

    <TextView
        android:id="@+id/title_customNote"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textColor="@android:color/holo_blue_dark"
        android:layout_toRightOf="@id/image_customNote" />

    <TextView
        android:id="@+id/text_customNote"
        android:textColor="@android:color/holo_blue_dark"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/title_customNote"
        android:layout_toRightOf="@id/image_customNote" />
</RelativeLayout>