B4XGoods-B4X好物整理，每周六更新

B4ASnippetAsyncStreams

aSyncStream and flush

aSyncStream and flush

@Star-Dust · 2023-03-09

B4ASnippetAudio/Video [INFO AND PATHS]

To get multiple media files and folders via MediaStore [info and paths]

To get multiple media files and folders via MediaStore [info and paths]

@GeoT · 2023-03-07

B4ASnippetBluetooth

OBD2 Bluetooth

App uses OBD2 Bluetooth plug, it has ELM327 V2.1 IC that connects to all OBDII protocols. The app reads common PIDs, DTC (faults) and VID. To add PID you can use https://en.wikipedia.org/wiki/OBD-II_PIDs#Bitwise_encoded_PIDs Code based on bluetooth example.

@moty22 · 2023-03-03

B4ASnippetBluetooth

OBD2 USB

App uses OBD2 to USB from Ebay, it has ELM327 V1.5 IC that connects to all OBDII protocols. The app reads common PIDs, DTC (faults) and VID. To add PID you can use https://en.wikipedia.org/wiki/OBD-II_PIDs#Bitwise_encoded_PIDs Code uses felUsbSerial lib.

@moty22 · 2023-03-03

B4ASnippetEditText/Textview/TextArea/TextField

ReadOnly EditText

ReadOnly EditText

@aeric · 2023-03-01

B4ASnippethtml

Markdown Engine For B4A

Markdown Engine For B4A

@teddybear · 2023-02-22

B4ASnippetJWT

Get the expiration time from firebase JWT token

Get the expiration time from firebase JWT token

@Erel · 2023-02-14

B4ASnippetB4A

Lock Screen Rotation

Lock Screen Rotation

@Robert Valentino · 2023-02-11

B4ASnippetTheme

Theme Colors

Changing the action bar, status bar and navigation bar colors is done with resources set in the manifest editor.The following code is fully supported by Android 5+ devices but it will also work properly on Android 4 devices.

@Erel · 2023-01-29

B4ASnippethttp

Register User example using HttpUtils2

Register User example using HttpUtils2

@aeric · 2023-01-26

B4ASnippetDatabase

SQLite Using Vacuum Into To Make a Copy of an Open DB

SQLite Using Vacuum Into To Make a Copy of an Open DB

@Mahares · 2023-01-24

B4ASnippetMaths [ALGORITHM]

Bresenham Line Algorithm. Linear interpolation. [algorithm]

Bresenham Line Algorithm. Linear interpolation. [algorithm]

@max123 · 2023-01-19

B4ASnippetTable/Grid [XCUSTOMLISTVIEW]

Page Indicator [XCustomListView]

Page Indicator [XCustomListView]

@Brian Michael · 2023-01-10

B4ASnippetBluetooth

Android Bluetooth Arduino

B4A app to control inputs and outputs of Arduino connected to Bluetooth module HC-05

@moty22 · 2023-01-09

B4ASnippetMail

Fighting with sending HTML-content to Outlook. A simple solution for that mess...

Fighting with sending HTML-content to Outlook. A simple solution for that mess...

@BlueVision · 2022-12-29

B4ASnippetExcel [B4A]

Export B4XTable to Excel File [B4A]

Export B4XTable to Excel File [B4A]

@Brian Michael · 2022-12-25

B4ASnippetPDF

Print or Save as PDF a Table from B4XTable

Print or Save as PDF a Table from B4XTable

@Brian Michael · 2022-12-25

B4ASnippetPrint

Dedicated Touch Screen for Octoprint supporting older devices

Reclaim those old Phones / Tablets that are sitting around that DO NOT have access to the Google store anymore. This in not a replacement for Octoprint but a way to add a touch screen to your printer using old hardware.

@JakeBullet70 · 2022-12-22

B4ASnippetViews - events

Get focused view

Get focused view

@ANC-Software · 2022-12-16

B4ASnippetDate/time

Convert Julian Serial date to calendar date string

Convert Julian Serial date to calendar date string

@WN van Surksum · 2022-12-08

B4ASnippetMaths

Solving a system of linear equations using Gaussian Elimination

Solving a system of linear equations using Gaussian Elimination

@grafsoft · 2022-10-31

B4ASnippetDatabase

SQLCipher and pragma cipher_memory_security

SQLCipher has this pragma that can speed up SQL quite a bit if memory security is turned off. Been using this for a few years now in a large database and never seen a problem with it. It can be useful when running multiple SQL''s or running a single slow SQL.

@RB Smissaert · 2022-10-29

B4ASnippetFirebase