2019

today my phone did not recognised my display pattern to unlock. i had also finger sensor in use. wahhhh. then i read i can input a new pin at pc in google account security settings and lock the phone. but then the phone still want use the pattern and not the pin^^ and the finger print did not...

Here is a ContentChooser Example project to choose a image at phone for use in a activity with image view. it works with B4A 9.x and Android 8.1 https://www.b4x.com/android/help/phone.html#contentchooser https://wiki.selfhtml.org/wiki/MIME-Type/Übersicht

because i not want pay money for google maps i found a self hosting map server system to display a area via a simple url etc. for linux there are only 2 steps and the setup is running (theory :mad:) (at Debian 10 i had trouble to install docker first.) for non-commercial or education the map...

at my search for "the Holy Grail" in developing software. i found a interesting tool for creating web applications. it use eclipse + java + a web server. i am not a web developer but for me the demo web apps look impressive and seem useful for business applications. https://www.openxava.org/ i...

for exchange or archive projects it is maybe useful to export the whole project including used additional libraries.

i think this PreferencesDialog is great for collecting data. nice to have would be a image selector (example for a user image) select from an image list (product from products) measurements L x W x H/ dimensions in meter or cm weights in kg rating 1-5 stars

Hallo, was nutzt Ihr günstiges um z.B. B4J+Jetty+ABMaterial+mySQL online zu haben?

if someone will reduce the electricity bill, here is a easy way. (and i am be in dire need of this gadget) there are three clips around each phase that make a simple output voltage for measurement. (this 3 phase clips can also bought cheap from other manufacturer for arduino projects.) complete...

i saw a app (it was norton password manager) that used the finger sensor as user validation / unlock. so the access to this app is the same as unlock the phone by finger sensor. did a library exist for b4a?

hello, i need an idea. i have a item with property "A" and "B" A is parent from B or B is child from A from this items i have a list (it describes a status workflow from to) and i need to bring them to a hierarchy view but i don't know which is the root. X,Z A,B D,G Z,A B,D Output should...

Class Name TimeSwitch 'time switch Sub Class_Globals Type HourSettings(q1 As Boolean,q2 As Boolean,q3 As Boolean,q4 As Boolean) Private DaySettings(24) As HourSettings '0 to 23 End Sub 'Initializes the object. You can add parameters to this method if needed. Public Sub...

enumerate through activity objects / views did not return the original custom view class for some reason.

designer can't parent a customview to a scrollview, would be nice to have.

Why i can't parent a customview or panel to a (horizontal)scrollview in designer?

hello, how can i add a custom view (it have the name ViewConsumer) to activity at runtime? Activity.AddView(View1 Consumer is a class with data. #Region Activity Attributes #FullScreen: False #IncludeTitle: True #End Region Sub Process_Globals 'These global variables will be...

Irgendwie habe ich hier ein Denkfehler drin. Ich sammle Daten die aufeinanderfolgend rein kommen. (Serielle Schnittstelle) Eine Datenzeile besteht aus start tab wert new line Dieses Reihen möchte ich in eine Liste außer dieses New Line Zeichen sammeln. Beim verarbeiten gehe ich dann die Reihen...

i wonder how i can change the baud rate if me using this ble library. 9600 works but i will use 115200 baud.

hello, is there a simple (bullet proof) line chart where i can just Add Data with a Time Stamp and a Name to Monitoing the last 24 hours? i need it to visualize 4 different sensor values. attached my first try and ugly result. at extreme case i have 86400 x 4 collected values each day for...

hi, i have this structure: arduino serial monitor window - pc - usb - arduino mega - bt le modul - phone - ble2 example app ble2 example app find the bt device and connect but if me send data from pc via arduino it seems it not receive it, means it not appear in the window. but this works...

hello, i am a little bit confused. i have a arduino mega and a bluetooth modul. there exist a special phone app that can send data to the modul and i can send data from arduino to phone without pairing. the pairing currently does not work at phone and i get no response from the AT commands^^...