Android Question how to check if another specific app is installed

G

gz7tnn

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I have written 2 apps: 'MyAppA' and 'MyAppB'. MyAppB is an optional app and can be called from MyAppA if the user chooses. I have that aspect working but what I want to be able to do is disable the button in MyAppA if the user does not have MyAppB installed. I want that to happen when MyAppA is started.
I know the package name 'com.MyAppB' but have not found how to check if it is installed so that I can enable / disable the button in MyAppA.
I only need to know if MyAppB is installed.
 
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DonManfred

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Longtime User
gz7tnn said:
I only need to know if MyAppB is installed.
Click to expand...

Try this
B4X: 
Dim pm As PackageManager
Dim apps As List
apps.Initialize
apps = pm.GetInstalledPackages
For i = 0 To apps.Size -1
    Dim apk As String = apps.Get(i)
    If apk.Contains("MyAppA") Then
        Log("MyAppA is installed. Package "&apps.Get(i))
    End If       
    If apk.Contains("MyAppB") Then
        Log("MyAppB is installed. Package "&apps.Get(i))
    End If       
Next
 
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