Android Question Back Button with WebView

Alansari said:

if i in index.html i want the button to exit the app

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Sub Activity_KeyPress (KeyCode As Int) As Boolean
    If KeyCode = KeyCodes.KEYCODE_BACK Then
            Dim result As Int
            result = Msgbox2("Exit App?", "", "yes", "", "no", Null)
  
            If result = DialogResponse.POSITIVE Then
                            Activity.Finish
              
  
            Else If result = DialogResponse.NEGATIVE Then
  
              
            End If                      
        Return True                                           
    Else
        Return False
    End If
End Sub

ronell said:

B4X:

Sub Activity_KeyPress (KeyCode As Int) As Boolean
    If KeyCode = KeyCodes.KEYCODE_BACK Then
            Dim result As Int
            result = Msgbox2("Exit App?", "", "yes", "", "no", Null)
 
            If result = DialogResponse.POSITIVE Then
                            Activity.Finish
             
 
            Else If result = DialogResponse.NEGATIVE Then
 
             
            End If                     
        Return True                                          
    Else
        Return False
    End If
End Sub

Click to expand...

An Schi said:

Adjust the URLs to your needs.

B4X:

Sub Activity_KeyPress(KeyCode As Int) As Boolean
 
    If KeyCode = KeyCodes.KEYCODE_BACK Then
        If webview1.Url = "index.html" Then
            Activity.Finish
        Else
            webview1.LoadUrl("index.html")
            'or
            webview1.Back
        End If

        Return True
    End If
 
    Return False

End Sub

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Alansari said:

no close the activity but return to index page

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