DroidPad

Build Android control interfaces for Bluetooth Low Energy, Bluetooth, WebSocket, MQTT, TCP, and UDP protocols for your project

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Install / Use

/learn @UmerCodez/DroidPad

About this skill

Quality Score

0/100

README

Check out my new Android project WebsocketCAM It lets you access your device’s camera through a WebSocket client API, enabling real-time AI and computer vision processing on a live video stream.

Create Customizable Control Interfaces for Bluetooth Low Energy, Bluetooth, WebSocket, MQTT, TCP, and UDP Protocols with Simple Drag-and-Drop Functionality.

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Key Features:

Drag-and-Drop Control Pad Creation
Design your control pads by dragging and dropping components like buttons, sliders, switches, Joystick and D-PAD.
Multi-Protocol Support and Seamless Server Connections
Easily configure your control pad to support network protocols such as Bluetooth LE, WebSocket (Client/Server), MQTT, TCP, and UDP. Once connected, you can interact with the control pad’s components—including buttons, sliders, switches, joysticks, and D-PADs—to send real-time commands directly to the connected server or BLE client, where these commands can be processed.
Switch Connection Type Anytime
You can change the connection type of a control pad at any time without creating a duplicate for a different connection.
Update UI From your Script
You can change the state of SWITCH,SLIDER,LED and GAUGE from your script

Supported Components

Switch
Button
Slider
DPAD
Joystick
Steering Wheel
LED
GAUGE
LOG
Accelerometer and Gyroscope (If supported by the device)

How It Works (4 steps)

Step 1: Create a Control Pad

Start by creating a new control pad. Provide a unique name to identify your control pad.

Step 2: Design Your Control Pad

After creating the control pad, click on the Build icon and use the drag-and-drop interface to add components like switches, buttons, and sliders etc.

Assign a unique ID to each component. This ID will be sent to the server during interactions.

Step 3: Configure Connection Settings

Tap 'Settings, choose a connection type (TCP, Bluetooth LE, UDP, WebSocket, or MQTT), enter the server address and port. You can switch between connection types anytime

Step 4: Connect and Interact

a. Click on the Play icon to start interacting with your control pad.
b. Tap the Connect button in the bottom-right corner to establish a connection with the server.

Reading Interactions

When users interact with the control pad, JSON-formatted or CSV messages are generated based on the type of component used. These string messages enable receivers to understand and process interactions sent from the control pad. Below are the formats and details for each interaction:

SWITCH

Toggling a switch generates the following JSON:

{
  "id": "the id you specified",
  "type": "SWITCH",
  "state": true
}

For Bluetooth and Bluetooth LE connections, toggling a switch generates a CSV message in the format: <id>,SWITCH,<state>.

The state field indicates whether the switch is on (true) or off (false).

BUTTON

Pressing or releasing a button generates this JSON:

{
  "id": "the id you specified",
  "type": "BUTTON",
  "state": "PRESS"
}

For Bluetooth and Bluetooth LE connections, pressing or releasing a button generates a CSV message in the format: <id>,BUTTON,<state>.

The state field can have following values:
- "PRESS": When the button is being pressed (finger on the button).
- "RELEASE": When the button is released (finger lifted off after pressing).
- "CLICK": Indicates tap gesture

DPAD (Directional Pad)

Pressing or releasing a button on DPAD generates this JSON:

{
  "id": "the id you specified",
  "type": "DPAD",
  "button": "RIGHT",
  "state": "CLICK"
}

For Bluetooth and Bluetooth LE connections, pressing or releasing a button on DPAD generates a CSV message in the format: <id>,DPAD,<button>,<state>.

The state field can have following values:
- "PRESS": When the button is being pressed (finger on the button).
- "RELEASE": When the button is released (finger lifted off after pressing).
- "CLICK": Indicates tap gesture
The button field can be "LEFT","RIGHT","UP" or "DOWN"

STEERING WHEEL

Rotating a steering wheel generates this JSON:

{
  "id": "your id",
  "type": "STEERING_WHEEL",
  "angle": 45.233445
}

For Bluetooth and Bluetooth LE connections the CSV is <id>,STEERING_WHEEL,<angle>

where angle is rotation angle of the steering wheel in degrees
- Positive values indicate clockwise rotation
- Negative values indicate counter-clockwise (anti-clockwise) rotation

JOYSTICK

Moving joystick handle generates this JSON:

{
  "id": "the id you specified",
  "type": "JOYSTICK",
  "x": 0.71150637,
  "y": -0.13367589
}

For Bluetooth and Bluetooth LE : <id>,JOYSTICK,<x>,<y>

Note : Joystick is not rotatable in the Builder Screen

The values of x and y range:

From -1.0 to 1.0 for both axes.
Positive x values indicate movement to the right, and negative values indicate movement to the left.
Positive y values indicate upward movement, and negative values indicate downward movement.

SLIDER

Dragging the slider thumb generates the following JSON:

{
  "id": "the id you specified",
  "type": "SLIDER",
  "value": 1.4
}

For Bluetooth and Bluetooth LE connections, dragging the slider thumb generates a CSV message in the format: <id>,SLIDER,<value>.

The value field represents the current position of the slider.
The value is always within the range of the minimum and maximum values specified during the slider's configuration.

LED

To update the LED, send the following JSON message to the app:

{
  "id": "the id you specified",
  "type": "LED",
  "state": "ON"
}

state accepts the following values:
- "ON" – Turns the LED on
- "OFF" – Turns the LED off
- "BLINK" – Makes the LED blink

🎥 Video Demo | Changing LED state in DroidPad

GAUGE

To update the Gauge, send the following JSON message to the app::

{
  "id": "the id you specified",
  "type": "GAUGE",
  "value": 120
}

value is a number input used to update the gauge reading (such as speed, temperature, or progress).

🎥 Video Demo | Updating GAUGE value in DroidPad

LOG

Each control pad includes an associated log terminal that displays logs sent from your script.
When you click the list icon on the control pad, a bottom sheet will appear showing these logs.

To send a log message from your script, use the following JSON payload:

{
  "type": "LOG",
  "message": "hello world"
}

Sensor Readings

![image](https://github.com/user-a

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