prompt: You will be provided with a partial code base and an issue statement explaining a problem to resolve.
  <issue>
  Scroll container not expanding to width of container
  ```
  import toga
  from toga.style import Pack
  from toga.style.pack import COLUMN, ROW
  
  class AFV(toga.App):
  
      def startup(self):
          self.main_window = toga.MainWindow(title=self.formal_name)
  
          box_test = toga.Box(style=Pack(direction=COLUMN, padding=5))
          self.label_1 = toga.Label('TESTE 1')
          self.lineEdit_1 = toga.TextInput()
          self.label_2 = toga.Label('TESTE 2')
          self.lineEdit_2 = toga.TextInput()
          self.label_3 = toga.Label('TESTE 3')
          self.lineEdit_3 = toga.TextInput()
          self.label_4 = toga.Label('TESTE 4')
          self.lineEdit_4 = toga.TextInput()
          self.label_5 = toga.Label('TESTE 5')
          self.lineEdit_5 = toga.TextInput()
  
          box_test.add(self.label_1, self.lineEdit_1, 
                       self.label_2, self.lineEdit_2, 
                       self.label_3, self.lineEdit_3, 
                       self.label_4, self.lineEdit_4, 
                       self.label_5, self.lineEdit_5)
          self.container = toga.ScrollContainer(horizontal=True, vertical=True)
          self.container.content = box_test
  
  
          self.main_window.content = self.container
          self.main_window.show()
  
  
  def main():
      return AFV()
  ```
  
  
  When using the widget it leaves the widgets in the wrong shape and size on the screen.
  The ScrollContainer doesn't make the TextInput widget fill to the bottom of the screen, it measures according to the size of the Label text.
  
  ![qqqq](https://user-images.githubusercontent.com/75274707/194348453-3328a915-087a-4621-a86d-8a20a754c3a9.PNG)
  
  Worked on Briefcase 0.3.9; new screenshot is from Briefcase 0.3.10.
  
  </issue>
  <code>
  [start of src/android/toga_android/widgets/scrollcontainer.py]
  1 from travertino.size import at_least
  2 
  3 from toga_android.window import AndroidViewport
  4 
  5 from ..libs.android.view import (
  6     Gravity,
  7     View__MeasureSpec,
  8     View__OnTouchListener
  9 )
  10 from ..libs.android.widget import (
  11     HorizontalScrollView,
  12     LinearLayout__LayoutParams,
  13     ScrollView
  14 )
  15 from .base import Widget
  16 
  17 
  18 class TogaOnTouchListener(View__OnTouchListener):
  19     is_scrolling_enabled = True
  20 
  21     def __init__(self):
  22         super().__init__()
  23 
  24     def onTouch(self, view, motion_event):
  25         if self.is_scrolling_enabled:
  26             return view.onTouchEvent(motion_event)
  27         else:
  28             return True
  29 
  30 
  31 class ScrollContainer(Widget):
  32     vScrollListener = None
  33     hScrollView = None
  34     hScrollListener = None
  35 
  36     def create(self):
  37         vScrollView = ScrollView(self._native_activity)
  38         vScrollView_layout_params = LinearLayout__LayoutParams(
  39             LinearLayout__LayoutParams.MATCH_PARENT,
  40             LinearLayout__LayoutParams.MATCH_PARENT
  41         )
  42         vScrollView_layout_params.gravity = Gravity.TOP
  43         vScrollView.setLayoutParams(vScrollView_layout_params)
  44         self.vScrollListener = TogaOnTouchListener()
  45         self.vScrollListener.is_scrolling_enabled = self.interface.vertical
  46         vScrollView.setOnTouchListener(self.vScrollListener)
  47         self.native = vScrollView
  48         self.hScrollView = HorizontalScrollView(self._native_activity)
  49         hScrollView_layout_params = LinearLayout__LayoutParams(
  50             LinearLayout__LayoutParams.MATCH_PARENT,
  51             LinearLayout__LayoutParams.MATCH_PARENT
  52         )
  53         hScrollView_layout_params.gravity = Gravity.LEFT
  54         self.hScrollListener = TogaOnTouchListener()
  55         self.hScrollListener.is_scrolling_enabled = self.interface.horizontal
  56         self.hScrollView.setOnTouchListener(self.hScrollListener)
  57         vScrollView.addView(self.hScrollView, hScrollView_layout_params)
  58         if self.interface.content is not None:
  59             self.set_content(self.interface.content)
  60 
  61     def set_content(self, widget):
  62         widget.viewport = AndroidViewport(widget.native)
  63         content_view_params = LinearLayout__LayoutParams(
  64             LinearLayout__LayoutParams.MATCH_PARENT,
  65             LinearLayout__LayoutParams.MATCH_PARENT
  66         )
  67         if widget.container:
  68             widget.container = None
  69         if self.interface.content:
  70             self.hScrollView.removeAllViews()
  71         self.hScrollView.addView(widget.native, content_view_params)
  72         for child in widget.interface.children:
  73             if child._impl.container:
  74                 child._impl.container = None
  75             child._impl.container = widget
  76 
  77     def set_vertical(self, value):
  78         self.vScrollListener.is_scrolling_enabled = value
  79 
  80     def set_horizontal(self, value):
  81         self.hScrollListener.is_scrolling_enabled = value
  82 
  83     def set_on_scroll(self, on_scroll):
  84         self.interface.factory.not_implemented("ScrollContainer.set_on_scroll()")
  85 
  86     def get_vertical_position(self):
  87         self.interface.factory.not_implemented(
  88             "ScrollContainer.get_vertical_position()"
  89         )
  90         return 0
  91 
  92     def set_vertical_position(self, vertical_position):
  93         self.interface.factory.not_implemented(
  94             "ScrollContainer.set_vertical_position()"
  95         )
  96 
  97     def get_horizontal_position(self):
  98         self.interface.factory.not_implemented(
  99             "ScrollContainer.get_horizontal_position()"
  100         )
  101         return 0
  102 
  103     def set_horizontal_position(self, horizontal_position):
  104         self.interface.factory.not_implemented(
  105             "ScrollContainer.set_horizontal_position()"
  106         )
  107 
  108     def rehint(self):
  109         # Android can crash when rendering some widgets until they have their layout params set. Guard for that case.
  110         if not self.native.getLayoutParams():
  111             return
  112         self.native.measure(
  113             View__MeasureSpec.UNSPECIFIED,
  114             View__MeasureSpec.UNSPECIFIED,
  115         )
  116         self.interface.intrinsic.width = at_least(self.native.getMeasuredWidth())
  117         self.interface.intrinsic.height = at_least(self.native.getMeasuredHeight())
  118
  [end of src/android/toga_android/widgets/scrollcontainer.py]
  </code>
  
  I need you to solve this issue by generating a single patch file that I can apply directly to this repository using git apply. Please respond with a single patch file in the following format.
  <patch>
  diff --git a/file.py b/file.py
  --- a/file.py
  +++ b/file.py
  @@ -1,27 +1,35 @@
   def euclidean(a, b):
  -    while b:
  -        a, b = b, a % b
  -    return a
  +    if b == 0:
  +        return a
  +    return euclidean(b, a % b)
   
   
   def bresenham(x0, y0, x1, y1):
       points = []
       dx = abs(x1 - x0)
       dy = abs(y1 - y0)
  -    sx = 1 if x0 < x1 else -1
  -    sy = 1 if y0 < y1 else -1
  -    err = dx - dy
  +    x, y = x0, y0
  +    sx = -1 if x0 > x1 else 1
  +    sy = -1 if y0 > y1 else 1
   
  -    while True:
  -        points.append((x0, y0))
  -        if x0 == x1 and y0 == y1:
  -            break
  -        e2 = 2 * err
  -        if e2 > -dy:
  -            err -= dy
  -            x0 += sx
  -        if e2 < dx:
  -            err += dx
  -            y0 += sy
  +    if dx > dy:
  +        err = dx / 2.0
  +        while x != x1:
  +            points.append((x, y))
  +            err -= dy
  +            if err < 0:
  +                y += sy
  +                err += dx
  +            x += sx
  +    else:
  +        err = dy / 2.0
  +        while y != y1:
  +            points.append((x, y))
  +            err -= dx
  +            if err < 0:
  +                x += sx
  +                err += dy
  +            y += sy
  +
  +    points.append((x, y))
       return points
  
  </patch>
golden_diff: diff --git a/src/android/toga_android/widgets/scrollcontainer.py b/src/android/toga_android/widgets/scrollcontainer.py
  --- a/src/android/toga_android/widgets/scrollcontainer.py
  +++ b/src/android/toga_android/widgets/scrollcontainer.py
  @@ -59,7 +59,7 @@
               self.set_content(self.interface.content)
   
       def set_content(self, widget):
  -        widget.viewport = AndroidViewport(widget.native)
  +        widget.viewport = AndroidViewport(self.native)
           content_view_params = LinearLayout__LayoutParams(
               LinearLayout__LayoutParams.MATCH_PARENT,
               LinearLayout__LayoutParams.MATCH_PARENT
  
verification_info: {"golden_diff": "diff --git a/src/android/toga_android/widgets/scrollcontainer.py b/src/android/toga_android/widgets/scrollcontainer.py\n--- a/src/android/toga_android/widgets/scrollcontainer.py\n+++ b/src/android/toga_android/widgets/scrollcontainer.py\n@@ -59,7 +59,7 @@\n             self.set_content(self.interface.content)\n \n     def set_content(self, widget):\n-        widget.viewport = AndroidViewport(widget.native)\n+        widget.viewport = AndroidViewport(self.native)\n         content_view_params = LinearLayout__LayoutParams(\n             LinearLayout__LayoutParams.MATCH_PARENT,\n             LinearLayout__LayoutParams.MATCH_PARENT\n", "issue": "Scroll container not expanding to width of container\n```\r\nimport toga\r\nfrom toga.style import Pack\r\nfrom toga.style.pack import COLUMN, ROW\r\n\r\nclass AFV(toga.App):\r\n\r\n    def startup(self):\r\n        self.main_window = toga.MainWindow(title=self.formal_name)\r\n\r\n        box_test = toga.Box(style=Pack(direction=COLUMN, padding=5))\r\n        self.label_1 = toga.Label('TESTE 1')\r\n        self.lineEdit_1 = toga.TextInput()\r\n        self.label_2 = toga.Label('TESTE 2')\r\n        self.lineEdit_2 = toga.TextInput()\r\n        self.label_3 = toga.Label('TESTE 3')\r\n        self.lineEdit_3 = toga.TextInput()\r\n        self.label_4 = toga.Label('TESTE 4')\r\n        self.lineEdit_4 = toga.TextInput()\r\n        self.label_5 = toga.Label('TESTE 5')\r\n        self.lineEdit_5 = toga.TextInput()\r\n\r\n        box_test.add(self.label_1, self.lineEdit_1, \r\n                     self.label_2, self.lineEdit_2, \r\n                     self.label_3, self.lineEdit_3, \r\n                     self.label_4, self.lineEdit_4, \r\n                     self.label_5, self.lineEdit_5)\r\n        self.container = toga.ScrollContainer(horizontal=True, vertical=True)\r\n        self.container.content = box_test\r\n\r\n\r\n        self.main_window.content = self.container\r\n        self.main_window.show()\r\n\r\n\r\ndef main():\r\n    return AFV()\r\n```\r\n\r\n\r\nWhen using the widget it leaves the widgets in the wrong shape and size on the screen.\r\nThe ScrollContainer doesn't make the TextInput widget fill to the bottom of the screen, it measures according to the size of the Label text.\r\n\r\n![qqqq](https://user-images.githubusercontent.com/75274707/194348453-3328a915-087a-4621-a86d-8a20a754c3a9.PNG)\r\n\r\nWorked on Briefcase 0.3.9; new screenshot is from Briefcase 0.3.10.\n", "before_files": [{"content": "from travertino.size import at_least\n\nfrom toga_android.window import AndroidViewport\n\nfrom ..libs.android.view import (\n    Gravity,\n    View__MeasureSpec,\n    View__OnTouchListener\n)\nfrom ..libs.android.widget import (\n    HorizontalScrollView,\n    LinearLayout__LayoutParams,\n    ScrollView\n)\nfrom .base import Widget\n\n\nclass TogaOnTouchListener(View__OnTouchListener):\n    is_scrolling_enabled = True\n\n    def __init__(self):\n        super().__init__()\n\n    def onTouch(self, view, motion_event):\n        if self.is_scrolling_enabled:\n            return view.onTouchEvent(motion_event)\n        else:\n            return True\n\n\nclass ScrollContainer(Widget):\n    vScrollListener = None\n    hScrollView = None\n    hScrollListener = None\n\n    def create(self):\n        vScrollView = ScrollView(self._native_activity)\n        vScrollView_layout_params = LinearLayout__LayoutParams(\n            LinearLayout__LayoutParams.MATCH_PARENT,\n            LinearLayout__LayoutParams.MATCH_PARENT\n        )\n        vScrollView_layout_params.gravity = Gravity.TOP\n        vScrollView.setLayoutParams(vScrollView_layout_params)\n        self.vScrollListener = TogaOnTouchListener()\n        self.vScrollListener.is_scrolling_enabled = self.interface.vertical\n        vScrollView.setOnTouchListener(self.vScrollListener)\n        self.native = vScrollView\n        self.hScrollView = HorizontalScrollView(self._native_activity)\n        hScrollView_layout_params = LinearLayout__LayoutParams(\n            LinearLayout__LayoutParams.MATCH_PARENT,\n            LinearLayout__LayoutParams.MATCH_PARENT\n        )\n        hScrollView_layout_params.gravity = Gravity.LEFT\n        self.hScrollListener = TogaOnTouchListener()\n        self.hScrollListener.is_scrolling_enabled = self.interface.horizontal\n        self.hScrollView.setOnTouchListener(self.hScrollListener)\n        vScrollView.addView(self.hScrollView, hScrollView_layout_params)\n        if self.interface.content is not None:\n            self.set_content(self.interface.content)\n\n    def set_content(self, widget):\n        widget.viewport = AndroidViewport(widget.native)\n        content_view_params = LinearLayout__LayoutParams(\n            LinearLayout__LayoutParams.MATCH_PARENT,\n            LinearLayout__LayoutParams.MATCH_PARENT\n        )\n        if widget.container:\n            widget.container = None\n        if self.interface.content:\n            self.hScrollView.removeAllViews()\n        self.hScrollView.addView(widget.native, content_view_params)\n        for child in widget.interface.children:\n            if child._impl.container:\n                child._impl.container = None\n            child._impl.container = widget\n\n    def set_vertical(self, value):\n        self.vScrollListener.is_scrolling_enabled = value\n\n    def set_horizontal(self, value):\n        self.hScrollListener.is_scrolling_enabled = value\n\n    def set_on_scroll(self, on_scroll):\n        self.interface.factory.not_implemented(\"ScrollContainer.set_on_scroll()\")\n\n    def get_vertical_position(self):\n        self.interface.factory.not_implemented(\n            \"ScrollContainer.get_vertical_position()\"\n        )\n        return 0\n\n    def set_vertical_position(self, vertical_position):\n        self.interface.factory.not_implemented(\n            \"ScrollContainer.set_vertical_position()\"\n        )\n\n    def get_horizontal_position(self):\n        self.interface.factory.not_implemented(\n            \"ScrollContainer.get_horizontal_position()\"\n        )\n        return 0\n\n    def set_horizontal_position(self, horizontal_position):\n        self.interface.factory.not_implemented(\n            \"ScrollContainer.set_horizontal_position()\"\n        )\n\n    def rehint(self):\n        # Android can crash when rendering some widgets until they have their layout params set. Guard for that case.\n        if not self.native.getLayoutParams():\n            return\n        self.native.measure(\n            View__MeasureSpec.UNSPECIFIED,\n            View__MeasureSpec.UNSPECIFIED,\n        )\n        self.interface.intrinsic.width = at_least(self.native.getMeasuredWidth())\n        self.interface.intrinsic.height = at_least(self.native.getMeasuredHeight())\n", "path": "src/android/toga_android/widgets/scrollcontainer.py"}]}