Android Question Overlay images

Flosch · Oct 24, 2013

Hi,

I have a Background Image (Png) which is nearly the size of my Screen.
Now I want to overlay 31 other PNG.

My first try was to create 32 ImageViews all of the same size. This worked for a few pics but than I ran out of memory.

My next try was the same but loading the Image with VBBitmap Lib – this worked but the quality of some pictures is so bad….

So I was thinking, that it would be easier:
- to load the Background-Image
- overlay picture1
- get an new image out of this two ones
- using this new picture as Background Image
- overlay picture2
- get an new image out of this two ones
- using this new picture as Background Image
- overlay picture3
And so on.

But there is still a memory problem even if I use the garbage function out of the VBBitmap Lib. What I’m doing wrong?

B4X:

Sub Globals
 
    Dim Open As ImageView
    Dim Bottles As ImageView
    Dim bmp As Bitmap
  
    Dim BitmapLib As SmartBitmap
  
    Dim Obj1, Obj2 As Reflector
    Dim c As Canvas
  
    Dim F01 As Boolean
    Dim F02 As Boolean
    Dim F03 As Boolean
    Dim F04 As Boolean
    Dim F05 As Boolean
    Dim F06 As Boolean
    Dim F07 As Boolean
    Dim F08 As Boolean
    Dim F09 As Boolean
    Dim F10 As Boolean
    Dim F11 As Boolean
    Dim F12 As Boolean
    Dim F13 As Boolean
    Dim F14 As Boolean
    Dim F15 As Boolean
    Dim F16 As Boolean
    Dim F17 As Boolean
    Dim F18 As Boolean
    Dim F19 As Boolean
    Dim F20 As Boolean
    Dim F21 As Boolean
    Dim F22 As Boolean
    Dim F23 As Boolean
    Dim F24 As Boolean
    Dim F25 As Boolean
    Dim F26 As Boolean
    Dim F27 As Boolean
    Dim F28 As Boolean
    Dim F29 As Boolean
    Dim F30 As Boolean  
    Dim F31 As Boolean  
End Sub
 
Sub Activity_Create(FirstTime As Boolean)
 
    'Layout  
    Activity.LoadLayout("Layout1")
  
    Bottles.Visible = False
    File.Copy(File.DirAssets,"Open.png",File.DirInternal,"Open.png")
    File.Copy(File.DirAssets,"01.png",File.DirInternal,"01.png")
    File.Copy(File.DirAssets,"02.png",File.DirInternal,"02.png")
    File.Copy(File.DirAssets,"03.png",File.DirInternal,"03.png")
    File.Copy(File.DirAssets,"04.png",File.DirInternal,"04.png")
    File.Copy(File.DirAssets,"05.png",File.DirInternal,"05.png")
    File.Copy(File.DirAssets,"06.png",File.DirInternal,"06.png")
    File.Copy(File.DirAssets,"07.png",File.DirInternal,"07.png")
    File.Copy(File.DirAssets,"08.png",File.DirInternal,"08.png")
    File.Copy(File.DirAssets,"09.png",File.DirInternal,"09.png")
    File.Copy(File.DirAssets,"10.png",File.DirInternal,"10.png")
    File.Copy(File.DirAssets,"11.png",File.DirInternal,"11.png")
    File.Copy(File.DirAssets,"12.png",File.DirInternal,"12.png")
    File.Copy(File.DirAssets,"13.png",File.DirInternal,"13.png")
    File.Copy(File.DirAssets,"14.png",File.DirInternal,"14.png")
    File.Copy(File.DirAssets,"15.png",File.DirInternal,"15.png")
    File.Copy(File.DirAssets,"16.png",File.DirInternal,"16.png")
    File.Copy(File.DirAssets,"17.png",File.DirInternal,"17.png")
    File.Copy(File.DirAssets,"18.png",File.DirInternal,"18.png")
    File.Copy(File.DirAssets,"19.png",File.DirInternal,"19.png")
    File.Copy(File.DirAssets,"20.png",File.DirInternal,"20.png")
    File.Copy(File.DirAssets,"21.png",File.DirInternal,"21.png")
    File.Copy(File.DirAssets,"22.png",File.DirInternal,"22.png")
    File.Copy(File.DirAssets,"23.png",File.DirInternal,"23.png")
    File.Copy(File.DirAssets,"24.png",File.DirInternal,"24.png")
    File.Copy(File.DirAssets,"25.png",File.DirInternal,"25.png")
    File.Copy(File.DirAssets,"26.png",File.DirInternal,"26.png")
    File.Copy(File.DirAssets,"27.png",File.DirInternal,"27.png")
    File.Copy(File.DirAssets,"28.png",File.DirInternal,"28.png")
    File.Copy(File.DirAssets,"29.png",File.DirInternal,"29.png")
    File.Copy(File.DirAssets,"30.png",File.DirInternal,"30.png")  
    File.Copy(File.DirAssets,"31.png",File.DirInternal,"31.png")  
      
    Open.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "Open.png", Open.Width , Open.Height)
      
    Open.Visible = True
    F01 = True
    F02 = True
    F03 = True
    F04 = True
    F05 = True
    F06 = True
    F07 = True
    F08 = True
    F09 = True
    F10 = True
    F11 = True
    F12 = True
    F13 = True
    F14 = True
    F15 = True
    F16 = True
    F17 = True
    F18 = True
    F19 = True
    F20 = True
    F21 = True
    F22 = True
    F23 = True
    F24 = True
    F25 = True
    F26 = True
    F27 = True
    F28 = True
    F29 = True
    F30 = True
    F31 = True
  
    draw_bottle
 
End Sub
 
Sub draw_bottle
 
    Bottles.Visible = True
    If F01 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "01.png", Open.Width , Open.Height)
        add_bottle
    End If
      
    If F02 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "02.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F03 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "03.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F04 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "04.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F05 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "05.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F06 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "06.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F07 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "07.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F08 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "08.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F09 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "09.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F10 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "10.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F11 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "11.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F12 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "12.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F13 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "13.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F14 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "14.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F15 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "15.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F16 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "16.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F17 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "17.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F18 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "18.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F19 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "19.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F20 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "20.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F21 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "21.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F22 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "22.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F23 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "23.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F24 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "24.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F25 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "25.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F26 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "26.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F27 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "27.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F28 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "28.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F29 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "29.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F30 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "30.png", Open.Width , Open.Height)
        add_bottle
    End If
  
    If F31 = True Then
        Bottles.Bitmap = BitmapLib.LoadBitmap(File.DirInternal, "31.png", Open.Width , Open.Height)  
        add_bottle
    End If      
  
    Bottles.Visible = False
 
End Sub
 
Sub add_bottle
 
    bmp.InitializeMutable(Open.Width, Open.Height)
    c.Initialize2(bmp)
 
    Obj1.Target = Obj1.GetActivityBA
    Obj1.Target = Obj1.GetField("vg")
    Dim args(1) As Object
    Dim types(1) As String
    Obj2.Target = c
    Obj2.Target = Obj2.GetField("canvas")
    args(0) = Obj2.Target
    types(0) = "android.graphics.Canvas"
    Obj1.RunMethod4("draw", args, types)
    Open.Bitmap = bmp
    bmp = Null
    Bottles.Bitmap = Null
    BitmapLib.Garbage
 
End Sub

Erel · Oct 24, 2013

You should refactor your code. There is no reason to duplicate it for each image.

You can use NumberFormat to format 1 as 01.

- Create a single mutable bitmap and a single canvas.
- Use this canvas to draw all of the images.

Android Question Overlay images

Flosch

Member

Erel

B4X founder

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