2019

  1. MarkusR

    android display pattern did not work^^

    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...
  2. MarkusR

    Android Example ContentChooser Example (select image at phone)

    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
  3. MarkusR

    OpenMapTiles Server for VPS

    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...
  4. MarkusR

    Found OpenXava for Web Applications

    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...
  5. MarkusR

    Wish Export as Zip with additional libraries

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

    Wish B4XPreferencesDialog

    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
  7. MarkusR

    German virtueller privater Server - welchen nutzt Ihr?

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

    Electricity Monitoring & reduce the electricity bill

    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...
  9. MarkusR

    Android Question [solved] Finger Sensor

    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?
  10. MarkusR

    B4J Question List into hierarchy List

    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...
  11. MarkusR

    Android Code Snippet time switch class

    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...
  12. MarkusR

    Wish enumerate custom views in activity

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

    Wish designer customview parent to a scrollview

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

    Android Question Why i can't parent a customview to a scrollview in designer?

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

    Android Question add CustomView to Activity at runtime?

    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...
  16. MarkusR

    German Paket Daten sammeln

    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...
  17. MarkusR

    Android Question BLE (Bluetooth) and Baud rate

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

    Android Question Line Chart

    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...
  19. MarkusR

    Android Question [solved] BLE2(1.37) i did not receive data

    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...
  20. MarkusR

    B4R Question [resolved] Arduino and Bluetooth LE Modul

    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^^...
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