qpysl4a-qsl4aapp-sample.py

#qpy:quiet
#-*-coding:utf8;-*-
"""
This is a sample project which use SL4A UI Framework,
There is another Sample project: https://github.com/qpython-android/qpy-calcount
"""
import qpy
import androidhelper
import urllib.request as ur
from qsl4ahelper.fullscreenwrapper2 import *

droid = androidhelper.Android()

class MainScreen(Layout):
    def __init__(self):
        super(MainScreen,self).__init__(str("""<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
	android:layout_width="fill_parent"
	android:layout_height="fill_parent"
	android:background="#ff314859"
	android:orientation="vertical"
	xmlns:android="http://schemas.android.com/apk/res/android">
	<ImageView
		android:id="@+id/logo"
		android:layout_width="fill_parent"
		android:layout_height="0px"
		android:layout_weight="10"
	/>
	<LinearLayout
		android:layout_width="fill_parent"
		android:layout_height="0px"
		android:orientation="horizontal"
		android:layout_weight="20">

		<TextView
			android:layout_width="fill_parent"
			android:layout_height="fill_parent"
			android:textSize="8dp"
			android:text="Hello, QPython"
			android:textColor="#ffffffff"
			android:layout_weight="1"
			android:gravity="center"
		/>
    </LinearLayout>

	<ListView
		android:id="@+id/data_list"
		android:layout_width="fill_parent"
		android:layout_height="0px"
		android:layout_weight="55"/>

	<LinearLayout
		android:layout_width="fill_parent"
		android:layout_height="0px"
		android:orientation="horizontal"
		android:layout_weight="10">
		<Button
			android:layout_width="fill_parent"
			android:layout_height="fill_parent"
			android:text="Load"
			android:id="@+id/but_load"
			android:textSize="8dp"
			android:background="#ff25567b"
			android:textColor="#ffffffff"
			android:layout_weight="1"
			android:gravity="center"/>
		<Button
			android:layout_width="fill_parent"
			android:layout_height="fill_parent"
			android:text="Exit"
			android:id="@+id/but_exit"
			android:textSize="8dp"
			android:background="#ff25567b"
			android:textColor="#ffffffff"
			android:layout_weight="1"
			android:gravity="center"/>
	</LinearLayout>
</LinearLayout>
"""),"SL4AApp")

    def on_show(self):
        self.views.but_exit.add_event(click_EventHandler(self.views.but_exit, self.exit))
        self.views.but_load.add_event(click_EventHandler(self.views.but_load, self.load))

        pass

    def on_close(self):
        pass

    def load(self, view, dummy):
        droid = FullScreenWrapper2App.get_android_instance()
        droid.makeToast("Load")

        saved_logo = qpy.tmp+"/qpy.logo"
        ur.urlretrieve("https://www.qpython.org/static/img_logo.png", saved_logo)
        self.views.logo.src = "file://"+saved_logo

    def exit(self, view, dummy):
        droid = FullScreenWrapper2App.get_android_instance()
        droid.makeToast("Exit")
        FullScreenWrapper2App.close_layout()

if __name__ == '__main__':
    FullScreenWrapper2App.initialize(droid)
    FullScreenWrapper2App.show_layout(MainScreen())
    FullScreenWrapper2App.eventloop()