Hi Buran,
this is the actual code. This code is in Android 5.1.1 environment with QPyton (2.7.12).
#-*-coding:utf8;-*-
#qpy:2
#qpy:kivy
from kivy.app import App
from kivy.uix.label import Label
from kivy.uix.gridlayout import GridLayout
from kivy.uix.textinput import TextInput
from kivy.uix.button import Button
class LoginScreen(GridLayout):
def buttonClicked(self,instance):
self.b5.text='You wrote ' + self.username.text
def clsInputText(self,instance):
self.username.text=''
def __init__(self, **kwargs):
super(LoginScreen, self).__init__(**kwargs)
self.cols = 1
self.add_widget(Label(text="SAP Support Team Finder"))
self.username = TextInput(multiline=True)
self.add_widget(self.username)
b1=(Button(text='Find'))
self.add_widget(b1)
b1.bind(on_press=self.buttonClicked)
b2=(Button(text='Clear'))
self.add_widget(b2)
b2.bind(on_press=self.clsInputText)
b3=(Button(text='Exit'))
self.add_widget(b3)
b3.bind(on_press=exit)
b4=(Label(text='Answer:'))
self.add_widget(b4)
b5=(Label(text=''))
self.add_widget(b5)
class SimpleKivy(App):
def build(self):
return LoginScreen()
if __name__ == "__main__":
SimpleKivy().run()
When I enter a text in the textbox and I press the [Find] button I receive an error. This is the complete traceback.
Error:
[INFO ] [Kivy ] v1.10.0
[INFO ] [Python ] v2.7.12 (default, Nov 21 2017, 21:49:35)
[GCC 4.9.x 20150123 (prerelease)]
[INFO ] [Factory ] 194 symbols loaded
[INFO ] [Image ] Providers: img_tex, img_dds, img_pygame, img_pil, img_gif (img_ffpyplayer ignored)
[INFO ] [Text ] Provider: pygame
[INFO ] [Window ] Provider: pygame
[INFO ] [GL ] Using the "OpenGL ES 2" graphics system
[INFO ] [GL ] Backend used <gl>
[INFO ] [GL ] OpenGL version <OpenGL ES 3.0 [email protected] AU@ (GIT@I32dcf20b99)>
[INFO ] [GL ] OpenGL vendor <Qualcomm>
[INFO ] [GL ] OpenGL renderer <Adreno (TM) 306>
[INFO ] [GL ] OpenGL parsed version: 3, 0
[INFO ] [GL ] Texture max size <4096>
[INFO ] [GL ] Texture max units <16>
Traceback (most recent call last):
File "/data/data/org.qpython.qpy/files/lib/python27.zip/logging/__init__.py", line 882, in emit
stream.write(fs % msg)
File "<string>", line 23, in write
TypeError: argument 1 must be string without null bytes, not str
Logged from file __init__.py, line 1051
[ERROR ] [Shader ] GL error 1281
[INFO ] [Support ] Android install hooks
[INFO ] [Window ] virtual keyboard not allowed, single mode, not docked
[INFO ] [OSC ] using <multiprocessing> for socket
[INFO ] [Base ] Start application main loop
[INFO ] [Android ] found 17 joystick
[INFO ] [Android ] create joystick <0>
[INFO ] [Android ] discard joystick <0> cause no button
[INFO ] [Android ] create joystick <1>
[INFO ] [Android ] create joystick <2>
[INFO ] [Android ] create joystick <3>
[INFO ] [Android ] create joystick <4>
[INFO ] [Android ] create joystick <5>
[INFO ] [Android ] create joystick <6>
[INFO ] [Android ] create joystick <7>
[INFO ] [Android ] create joystick <8>
[INFO ] [Android ] create joystick <9>
[INFO ] [Android ] create joystick <10>
[INFO ] [Android ] create joystick <11>
[INFO ] [Android ] create joystick <12>
[INFO ] [Android ] create joystick <13>
[INFO ] [Android ] create joystick <14>
[INFO ] [Android ] create joystick <15>
[INFO ] [Android ] create joystick <16>
[INFO ] [GL ] NPOT texture support is available
[ERROR ] [Base ] Failed to import "android" module. Could not remove android presplash.
[INFO ] [Base ] Leaving application in progress...
Traceback (most recent call last):
File "main.py", line 68, in <module>
SimpleKivy().run()
File "/data/data/org.qpython.qpy/files/lib/python2.7/site-packages/kivy_u4_qpython-1.10.0-py2.7.egg/kivy/app.py", line 828, in run
runTouchApp()
File "/data/data/org.qpython.qpy/files/lib/python2.7/site-packages/kivy_u4_qpython-1.10.0-py2.7.egg/kivy/base.py", line 504, in runTouchApp
EventLoop.window.mainloop()
File "/data/data/org.qpython.qpy/files/lib/python2.7/site-packages/kivy_u4_qpython-1.10.0-py2.7.egg/kivy/core/window/window_pygame.py", line 403, in mainloop
self._mainloop()
File "/data/data/org.qpython.qpy/files/lib/python2.7/site-packages/kivy_u4_qpython-1.10.0-py2.7.egg/kivy/core/window/window_pygame.py", line 289, in _mainloop
EventLoop.idle()
File "/data/data/org.qpython.qpy/files/lib/python2.7/site-packages/kivy_u4_qpython-1.10.0-py2.7.egg/kivy/base.py", line 342, in idle
self.dispatch_input()
File "/data/data/org.qpython.qpy/files/lib/python2.7/site-packages/kivy_u4_qpython-1.10.0-py2.7.egg/kivy/base.py", line 327, in dispatch_input
post_dispatch_input(*pop(0))
File "/data/data/org.qpython.qpy/files/lib/python2.7/site-packages/kivy_u4_qpython-1.10.0-py2.7.egg/kivy/base.py", line 233, in post_dispatch_input
listener.dispatch('on_motion', etype, me)
File "kivy/_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7726)
File "/data/data/org.qpython.qpy/files/lib/python2.7/site-packages/kivy_u4_qpython-1.10.0-py2.7.egg/kivy/core/window/__init__.py", line 1188, in on_motion
self.dispatch('on_touch_down', me)
File "kivy/_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7726)
File "/data/data/org.qpython.qpy/files/lib/python2.7/site-packages/kivy_u4_qpython-1.10.0-py2.7.egg/kivy/core/window/__init__.py", line 1204, in on_touch_down
if w.dispatch('on_touch_down', touch):
File "kivy/_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7726)
File "/data/data/org.qpython.qpy/files/lib/python2.7/site-packages/kivy_u4_qpython-1.10.0-py2.7.egg/kivy/uix/widget.py", line 457, in on_touch_down
if child.dispatch('on_touch_down', touch):
File "kivy/_event.pyx", line 718, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7726)
File "/data/data/org.qpython.qpy/files/lib/python2.7/site-packages/kivy_u4_qpython-1.10.0-py2.7.egg/kivy/uix/behaviors/button.py", line 151, in on_touch_down
self.dispatch('on_press')
File "kivy/_event.pyx", line 714, in kivy._event.EventDispatcher.dispatch (kivy/_event.c:7681)
File "kivy/_event.pyx", line 1225, in kivy._event.EventObservers.dispatch (kivy/_event.c:13524)
File "kivy/_event.pyx", line 1149, in kivy._event.EventObservers._dispatch (kivy/_event.c:13050)
File "main.py", line 19, in buttonClicked
self.b5.text='You wrote ' + self.username.text
AttributeError: 'LoginScreen' object has no attribute 'b5'
Thanks in advance for your kind support.
Regards,
Giovanni