Android Question Adaptive Icons & Status Bar

[fbritop]

I have followed the guides to adaptive icons.
Icons on home screen looks perfect (adaptive). But when the app receives a Firebase message (when the app is not running so it just displays the icon on the status bar, it shows a round rectangle in grey with nothing else, also when yo expand the notification.

I have modified the maniest, also taking care of the "delete" line. I am playing only with standard notifications messages. I dont want to go any further with the NotificationBuilder. Why is the status bar and expanded view not showing an icon?. If I add to the payload in the firebase message the "icon" key, it still shows the same grey rectangle.
Also try with another post that put the files in reverse (background and foreground) with no luck. Also changing the mask from white to black, also with no luch
My files are:

The status bar shows:

Expanded notification:

 

[TILogistic]

see:

Notification icon blank white

On Android 7 real Device the notification icon is blank white instead of my icon pic. Even the default icon will not show. However, it does show in lock screen at the bottom in color? I have icon in the res folder and I am using adaptive icon. What seems to be the problem?

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android.jar / targetSdkVersion / minSdkVersion

There are several versioned components that affect the compilation process and the runtime behavior of our apps. The purpose of this tutorial is to explain the differences between them and help you choose which version to use. Each Android version is mapped to an api level. You can see this...

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22 (?) - notifications icons colors are ignored. Alpha levels used as a mask.

 

[fbritop]

see:

Notification icon blank white

On Android 7 real Device the notification icon is blank white instead of my icon pic. Even the default icon will not show. However, it does show in lock screen at the bottom in color? I have icon in the res folder and I am using adaptive icon. What seems to be the problem?

www.b4x.com

android.jar / targetSdkVersion / minSdkVersion

There are several versioned components that affect the compilation process and the runtime behavior of our apps. The purpose of this tutorial is to explain the differences between them and help you choose which version to use. Each Android version is mapped to an api level. You can see this...

www.b4x.com

Thanks,
After reading stackoverflow, it states that mipmap folder shoud contain a filename ic_notification.png
In the manifest, it should point there

AddApplicationText(
<meta-data
    android:name="com.google.firebase.messaging.default_notification_color"
    android:resource="@color/icon" />
)   

SetApplicationAttribute(android:theme, "@style/Custom")
CreateResource(values-v20, theme.xml,
<resources>
  <style name="Custom" parent="@android:style/Theme.Material.Light.NoActionBar">
     <item name="android:windowTranslucentNavigation">false</item>
     <item name="android:windowBackground">@android:color/transparent</item>
     <item name="android:backgroundDimEnabled">false</item>
     <item name="android:windowTranslucentStatus">true</item>
     <item name="android:forceDarkAllowed">false</item>
     <item name="android:windowLightStatusBar">false</item>
        
  </style>
  <color name="icon">#1386FF</color>  <--- CUSTOM DEFINED BACKGROUND COLOR
</resources>
)

 

[TILogistic]

use:
It is very good and I have had no problems.

Adaptive Icons - simple instructions and tips

All apps should have an adaptive icon. If you are not familiar with these icons then start here: Adaptive Icons Instruction steps: Create a new folder in the root project folder named icon. Create two folders inside that folder with the following files: mipmap: ic_launcher.png -...

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