用python（kivy模块）开发安卓影视App——主页面开发（一）

由于kivy在国内使用较少，在开发道路上困难重重，本人也花了不少精力来进行开发，希望大家能够从中得到学习与锻炼。

下面是我的成果图

首先是py文件

import requests
import re
from kivy.properties import StringProperty
from kivymd.app import MDApp
from kivymd.uix.button import MDRectangleFlatButton
from kivymd.uix.card import MDCard
from kivymd.uix import bottomsheet
from kivymd.uix.boxlayout import MDBoxLayout
from kivymd.uix.stacklayout import MDStackLayout
from kivy.uix.screenmanager import Screen
from kivymd.font_definitions import theme_font_styles
from kivy.core.text import LabelBase
from kivymd.uix.screen import MDScreen
from kivy.core.window import Window
Window.size = (Window.height*3/4, Window.width*9/10)
class DealData():class_name = ['动漫', '追剧', '电影']class_key = ['4', '2', '1']class_url = 'https://saohuo.la/list/[].html'header = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/54.0.2840.99 Safari/537.36"}class_list = '<ul class="v_list">(.*?)</ul></section><section class="page">'class_list_name = '<li><div class="v_img"><a href=".*?" title="(.*?)"><img class='class_list_picture = '<img class="lazyload" alt=".*?" data-original="(.*?)" /></a><div class='class_list_href = '<li><div class="v_img"><a href="(.*?)" title=".*?"><img class='class_list_text = '<div class="v_note">(.*?)</div></div><p class='search_url = 'https://saohuo.la/search.php?page=1&searchword=KEYWORDS&searchtype='search_list = '<ul class="v_list">(.*?)</ul></section><section class="page">'search_video_name = '<li><div class="v_img"><a href=".*?" title="(.*?)"><img class='search_video_url = '<li><div class="v_img"><a href="(.*?)" title=".*?"><img class='search_video_pic = '<img class="lazyload" data-original="(.*?)" /></a><div class="v_note">'search_video_data = '<div class="v_note">(.*?)</div>'video_class_data = '<ul class="from_list">([\s\S]*?)</ul>'video_class_name = '<li class=".*?">([\s\S]*?)</li>'video_play_data = '<section class="grid_box">([\s\S]*?)</section>'video_play_list = '<ul class="play_list"([\s\S]*?)</ul>'video_play_name = '<a title="[\s\S]*?" href="[\s\S]*?" target="_self">([\s\S]*?)</a>'video_play_url = '<a title="[\s\S]*?" href="([\s\S]*?)" target="_self">[\s\S]*?</a>'name_head = {'name': '骚火','href_head': 'https://saohuo.la', 'image_head': ''}# 首页影视分类列表
class MovieLayoutData(MDStackLayout):pass# 屏幕切换列表
class MainMovieLayout(MDStackLayout):pass# 首页分类布局
class TabCard(MDCard):screen = StringProperty()text = StringProperty()def on_press(self):# 切换影视分类self.parent.parent.parent.parent.parent.parent.parent.parent.ids.screen_manager.current = self.screen
# 影视详情单
class ElementCard(MDCard):url_all_datas = DealData()image = StringProperty()title_name = StringProperty()pictext = StringProperty()video_href = StringProperty()# 主屏幕
class MainScreen(MDScreen):url_all_datas = DealData()num = 0def __init__(self):self.one_screen()self.add_class_name()def one_screen(self, **kwargs):super(MainScreen, self).__init__(**kwargs)# 主页分类标签列表def add_class_name(self):for i in range(len(self.url_all_datas.class_name)):header = TabCard()header.text = self.url_all_datas.class_name[i]header.screen = f'screen{i}'self.ids.movie_class.add_widget(header)self.add_screen_details()self.num = self.num+1# 切换主页分类def add_screen_details(self):screen = Screen(name=f'screen{str(self.num)}')screen.add_widget(self.add_movie_list())self.ids.screen_manager.add_widget(screen)# 主页分类列表def add_movie_list(self):movie_layout = MovieLayoutData()datas = self.pa_shou_ye()for data in datas:video_list = ElementCard()video_list.title_name = data['title']video_list.video_href = data['list_url']video_list.image = data['image']video_list.pictext = data['pictext']movie_layout.ids.movie_list_data.add_widget(video_list)return movie_layout# 爬取主页分类详情def pa_shou_ye(self):all_datas = []url = self.url_all_datas.class_url.replace('[]', self.url_all_datas.class_key[self.num])response = requests.get(url, headers=self.url_all_datas.header, timeout=6)html = response.content.decode('utf-8')try:list_item = re.findall(self.url_all_datas.class_list, html)[0]title_lists = re.findall(self.url_all_datas.class_list_name, list_item)href_lists = re.findall(self.url_all_datas.class_list_href, list_item)src_lists = re.findall(self.url_all_datas.class_list_picture, list_item)pictext_lists = re.findall(self.url_all_datas.class_list_text, list_item)for i in range(len(title_lists)):data = dict()data['name'] = self.url_all_datas.name_head['name']data['href_head'] = self.url_all_datas.name_head['href_head']data['image_head'] = self.url_all_datas.name_head['image_head']data['title'] = title_lists[i]data['list_url'] = data['href_head']+href_lists[i]data['image'] = data['image_head']+src_lists[i]data['pictext'] = pictext_lists[i]all_datas.append(data)return all_datasexcept:return all_datasclass MainApp(MDApp):def build(self):self.theme_cls.theme_style = 'Light'self.theme_cls.primary_palette = 'Gray'LabelBase.register(name='Lishu', fn_regular='Lishu.ttf')theme_font_styles.append('Lishu')self.theme_cls.font_styles['Lishu'] = ['Lishu', 16, False, 0.15]return MainScreen()if __name__ == '__main__':MainApp().run()

然后是kv文件

<MainScreen>:MDBoxLayout:orientation: 'vertical'MDBoxLayout:size_hint_y:.08orientation: 'vertical'MDBoxLayout:padding:[0,0,0,0]spacing:dp(10)MDIconButton:icon: 'menu'on_release:root.on_release()MDLabel:MDTextFieldRound:id:search_keynormal_color: app.theme_cls.primary_lighthint_text:'搜索'font_name: './Lishu.ttf'size_hint_x:2pos_hint: {'x':.1,'y': .2}MDIconButton:icon: 'magnify'on_release:root.on_press()MDIconButton:icon:'download'             ScreenManager:id:home_screen_managerMDScreen:name:'home_class_screen'MDBoxLayout:orientation: 'vertical'MDBoxLayout:size_hint_y:.05ScrollView:MDBoxLayout:id:movie_classadaptive_width:Truerows:1padding:[10,2,10,2] spacing:dp(5)         ScreenManager:id:screen_managerMovieLayoutData:size_hint_y:Noneheight:Window.width*1/100adaptive_height:True screen_manager:screen_manager  MainMovieLayout:size_hint_y:Noneheight:Window.width*1/100adaptive_height:True screen_manager:home_screen_manager  <MovieLayoutData>:   size_hint_y:1ScrollView:MDStackLayout:id:movie_list_datapadding:[10,2,10,10] spacing: '5dp'adaptive_height:True 
<ElementCard>:orientation: 'vertical'size_hint_x: .5size_hint_y: Noneheight:Window.height*1/4padding: dp(10)radius:[25]MDBoxLayout:orientation: 'horizontal'size_hint_y: .9AsyncImage:source:root.image MDBoxLayout:orientation: 'vertical'size_hint_y: .9MDLabel:text: root.title_namefont_size: 15bold:Truefont_name: './Lishu.ttf'halign:'center'MDLabel:text:root.pictextfont_name: './Lishu.ttf'halign:'center'font_size: 15     <TabCard>:icon:'movie-roll'size_hint: None,1radius:dp(15)MDIcon:icon:root.iconMDLabel:text: root.textfont_name:'Lishu.ttf'<MainMovieLayout>:   size_hint_y:1ScrollView:MDStackLayout:id:movie_listpadding:[10,2,10,10] spacing: '5dp'adaptive_height:True 

如果有朋友想直接使用该代码，需要设置一个字体文件，放在代码同一目录下，且名字命为Lishu.ttf即可直接使用