I’m trying to use Bluetooth Classic from a Processing app (version 3.5.4) in the Android mode with a Serial library download from the internet “AndroidSerial”. Source code which fails is as follows: import com.yourinventit.processing.android.serial.*; void setup() { fullScreen(); } void draw()…

The following code will find the Bluetooth devices paired with my Samsung tablet: import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import java.util.Set; String[] devices = {}; void findPairedBluetoothDevices() { BluetoothAdapter adapter = BluetoothAdapter.ge…

Hi. Have you tried this version of the lib?

@noel very helpful. Latest version of library no longer causes crash. However, now I get the following error message and I’m not sure how to fix it: Processing-Android USB Serial ERROR Port:null Check the following: 1) Make sure AndroidManifest.xm. contains <use-feature> tag for android.hardware…

@svan === <manifest ...> <uses-feature android:name="android.hardware.usb.host" />

And the port number is properly listed of course?

@svan === it seems to be null…

@noel and @akenaton Adding the “uses-feature” to the manifest in the project folder didn’t solve the problem. I still get the same error message, therefore I am unable to get the demo to give me a serial port list. However, I have looked in the tablet’s settings and can see that I have previously…

Have you closed all other programs that could be using your serial port, for example arduino serial monitor, hyperterminal, etc. ?

@noel - USBDeview appears to be a Windows app and I’m doing this on a Mac. The serial ports on a Mac may be displayed in Terminal using the command “ls /dev/cu.*”. At any rate, I think I’m going down the wrong road; what I need is a list of paired Bluetooth devices and devices available for pairin…

Using Serial with Processing for Android

Processing for Android

noel August 2, 2020, 5:02pm 9

This can help?

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Using Serial with Processing for Android

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