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{{tag>[python code kivy]}}

====== Custom button size in RecycleView ======

<file python custom_size_widgets.py>
from kivy.app import App
from kivy.lang import Builder
from kivy.uix.button import Button
from kivy.uix.recycleview import RecycleView
from kivy.uix.label import Label
from kivy.uix.boxlayout import BoxLayout
from kivy.uix.gridlayout import GridLayout
from kivy.uix.popup import Popup
from kivy.graphics import Rectangle
from kivy.uix.image import Image, AsyncImage
from kivy.uix.widget import Widget
from kivy.uix.behaviors import ButtonBehavior
from kivy.clock import Clock, mainthread
from kivy.properties import ObjectProperty
from kivy.uix.screenmanager import ScreenManager, Screen
from kivy.uix.scrollview import ScrollView 
from kivy.core.window import Window
from kivy.uix.spinner import Spinner
from kivy.logger import Logger
from kivy.storage.jsonstore import JsonStore
from kivy.properties import BooleanProperty, ListProperty, ObjectProperty, NumericProperty, DictProperty, StringProperty

# items = [
#     {"color":(1, 1, 1, 1), "font_size": "20sp", "text": "white",     "input_data": ["some","random","data"]},
#     {"color":(.5,1, 1, 1), "font_size": "30sp", "text": "lightblue", "input_data": [1,6,3]},
#     {"color":(.5,.5,1, 1), "font_size": "40sp", "text": "blue",      "input_data": [64,16,9]},
#     {"color":(.5,.5,.5,1), "font_size": "70sp", "text": "gray",      "input_data": [8766,13,6]},
#     {"color":(1,.5,.5, 1), "font_size": "60sp", "text": "orange",    "input_data": [9,4,6]},
#     {"color":(1, 1,.5, 1), "font_size": "50sp", "text": "yellow",    "input_data": [852,958,123]},
# {"color":(.5,1, 1, 1), "font_size": "30sp", "text": "lightblue", "input_data": [1,6,3]},
#     {"color":(.5,.5,1, 1), "font_size": "40sp", "text": "blue",      "input_data": [64,16,9]},
#     {"color":(.5,.5,.5,1), "font_size": "70sp", "text": "gray",      "input_data": [8766,13,6]},
#     {"color":(1,.5,.5, 1), "font_size": "60sp", "text": "orange",    "input_data": [9,4,6]},
#     {"color":(1, 1,.5, 1), "font_size": "50sp", "text": "yellow",    "input_data": [852,958,123]}
# ]

items = [
        {"image_link": "https://i.ytimg.com/vi/0Lm5sRu1G9A/hq720.jpg?sqp=-oaymwEZCNAFEJQDSFXyq4qpAwsIARUAAIhCGAFwAQ==&rs=AOn4CLC025lwn4RBjkGUVqDZhUgo83_yvQ",
         "image_desc": "Snowman video",
         "btn_text": "Play"},
        {"image_link": "https://i.ytimg.com/vi/0Lm5sRu1G9A/hq720.jpg?sqp=-oaymwEZCNAFEJQDSFXyq4qpAwsIARUAAIhCGAFwAQ==&rs=AOn4CLC025lwn4RBjkGUVqDZhUgo83_yvQ",
         "image_desc": "Snowman video",
         "btn_text": "Play"},
        {"image_link": "https://i.ytimg.com/vi/0Lm5sRu1G9A/hq720.jpg?sqp=-oaymwEZCNAFEJQDSFXyq4qpAwsIARUAAIhCGAFwAQ==&rs=AOn4CLC025lwn4RBjkGUVqDZhUgo83_yvQ",
         "image_desc": "Snowman video",
         "btn_text": "Play"},
        {"image_link": "https://i.ytimg.com/vi/0Lm5sRu1G9A/hq720.jpg?sqp=-oaymwEZCNAFEJQDSFXyq4qpAwsIARUAAIhCGAFwAQ==&rs=AOn4CLC025lwn4RBjkGUVqDZhUgo83_yvQ",
         "image_desc": "Snowman video",
         "btn_text": "Play"},
        {"image_link": "https://i.ytimg.com/vi/0Lm5sRu1G9A/hq720.jpg?sqp=-oaymwEZCNAFEJQDSFXyq4qpAwsIARUAAIhCGAFwAQ==&rs=AOn4CLC025lwn4RBjkGUVqDZhUgo83_yvQ",
         "image_desc": "Snowman video",
         "btn_text": "Play"},
        {"image_link": "https://i.ytimg.com/vi/0Lm5sRu1G9A/hq720.jpg?sqp=-oaymwEZCNAFEJQDSFXyq4qpAwsIARUAAIhCGAFwAQ==&rs=AOn4CLC025lwn4RBjkGUVqDZhUgo83_yvQ",
         "image_desc": "Snowman video",
         "btn_text": "Play"},
        {"image_link": "https://i.ytimg.com/vi/0Lm5sRu1G9A/hq720.jpg?sqp=-oaymwEZCNAFEJQDSFXyq4qpAwsIARUAAIhCGAFwAQ==&rs=AOn4CLC025lwn4RBjkGUVqDZhUgo83_yvQ",
         "image_desc": "Snowman video",
         "btn_text": "Play"},
        {"image_link": "https://i.ytimg.com/vi/0Lm5sRu1G9A/hq720.jpg?sqp=-oaymwEZCNAFEJQDSFXyq4qpAwsIARUAAIhCGAFwAQ==&rs=AOn4CLC025lwn4RBjkGUVqDZhUgo83_yvQ",
         "image_desc": "Snowman video",
         "btn_text": "Play"},
        {"image_link": "https://i.ytimg.com/vi/0Lm5sRu1G9A/hq720.jpg?sqp=-oaymwEZCNAFEJQDSFXyq4qpAwsIARUAAIhCGAFwAQ==&rs=AOn4CLC025lwn4RBjkGUVqDZhUgo83_yvQ",
         "image_desc": "Snowman video",
         "btn_text": "Play"}

        ]

class VideoItem(GridLayout): # this must be GridLayout
    pass

KV = '''

<VideoItem>:
    image_link: "link"
    image_desc: "text"
    btn_text: "text"
    cols: 3
    height: self.minimum_height

    AsyncImage:
        source: root.image_link
        height: 400                # custom height
        size_hint_y: None
    Label:
        text: root.image_desc
        height: 400                # custom height
        size_hint_y: None
    Button:
        height: 400                # custom height
        text: root.btn_text
        size_hint_y: None

RecycleView:
    data: []
    viewclass: 'VideoItem'
    RecycleBoxLayout:
        default_size_hint: 1, None # this must be set
        default_size: None, 1      # this must be set
        size_hint_y: None
        height: self.minimum_height
        orientation: 'vertical'

'''


class Test(App):
    def build(self):
        root = Builder.load_string(KV)
        root.data = [item for item in items]
        return root


Test().run()

</file>

====== See also ======
[[wiki:kivy_recycle_view1|Recycle view example]]