python_安卓3_python toga显示视频

import toga
from toga.style.pack import COLUMN, Pack


def button_handler(widget):
    print('button handler')
    for i in range(0, 10):
        print("hello", i)
        yield 1
    print("done", i)


def action0(widget):
    print("action 0")


def action1(widget):
    print("action 1")


def action2(widget):
    print("action 2")


def action3(widget):
    print("action 3")


def action5(widget):
    print("action 5")


def action6(widget):
    print("action 6")


def build(app):
    brutus_icon = "icons/brutus"
    cricket_icon = "icons/cricket-72.png"

    data = [
        ('root%s' % i, 'value %s' % i)
        for i in range(1, 100)
    ]

    left_container = toga.Table(headings=['Hello', 'World'], data=data)

    right_content = toga.Box(
        style=Pack(direction=COLUMN, padding_top=50)
    )

    for b in range(0, 10):
        right_content.add(
            toga.Button(
                'Hello world %s' % b,
                on_press=button_handler,
                style=Pack(width=200, padding=20)
            )
        )

    right_container = toga.ScrollContainer(horizontal=False)

    right_container.content = right_content

    split = toga.SplitContainer()

    # The content of the split container can be specified as a simple list:
    #    split.content = [left_container, right_container]
    # but you can also specify "weight" with each content item, which will
    # set an initial size of the columns to make a "heavy" column wider than
    # a narrower one. In this example, the right container will be twice
    # as wide as the left one.
    split.content = [
        (left_container, 1),
        (right_container, 2)
    ]

    # Create a "Things" menu group to contain some of the commands.
    # No explicit ordering is provided on the group, so it will appear
    # after application-level menus, but *before* the Command group.
    # Items in the Things group are not explicitly ordered either, so they
    # will default to alphabetical ordering within the group.
    things = toga.Group('Things')
    cmd0 = toga.Command(
        action0,
        label='Action 0',
        tooltip='Perform action 0',
        icon=brutus_icon,
        group=things
    )
    cmd1 = toga.Command(
        action1,
        label='Action 1',
        tooltip='Perform action 1',
        icon=brutus_icon,
        group=things
    )
    cmd2 = toga.Command(
        action2,
        label='Action 2',
        tooltip='Perform action 2',
        icon=toga.Icon.TOGA_ICON,
        group=things
    )

    # Commands without an explicit group end up in the "Commands" group.
    # The items have an explicit ordering that overrides the default
    # alphabetical ordering
    cmd3 = toga.Command(
        action3,
        label='Action 3',
        tooltip='Perform action 3',
        shortcut=toga.Key.MOD_1 + 'k',
        icon=cricket_icon,
        order=3
    )

    # Define a submenu inside the Commands group.
    # The submenu group has an order that places it in the parent menu.
    # The items have an explicit ordering that overrides the default
    # alphabetical ordering.
    sub_menu = toga.Group("Sub Menu", parent=toga.Group.COMMANDS, order=2)
    cmd5 = toga.Command(
        action5,
        label='Action 5',
        tooltip='Perform action 5',
        order=2,
        group=sub_menu
    )
    cmd6 = toga.Command(
        action6,
        label='Action 6',
        tooltip='Perform action 6',
        order=1,
        group=sub_menu
    )

    def action4(widget):
        print("CALLING Action 4")
        cmd3.enabled = not cmd3.enabled

    cmd4 = toga.Command(
        action4,
        label='Action 4',
        tooltip='Perform action 4',
        icon=brutus_icon,
        order=1
    )

    # The order in which commands are added to the app or the toolbar won't
    # alter anything. Ordering is defined by the command definitions.
    app.commands.add(cmd1, cmd0, cmd6, cmd4, cmd5, cmd3)
    app.main_window.toolbar.add(cmd1, cmd3, cmd2, cmd4)

    return split


def main():
    return toga.App('First App', 'org.beeware.helloworld', startup=build)


if __name__ == '__main__':
    main().main_loop()
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163