No such luck that it would actually work. I went back and downloaded
App-IOIO0507.zip
<https://github.com/ytai/ioio/raw/master/release/software/App-IOIO0507.zip>
and tried again. Now I already knew how to change
android {
buildToolsVersion "23.0.2"
compileSdkVersion 23
}
from compile version 19 to 23. That got rid of my SDK errors, but there is a
strange error in the comment of all places
class Looper extends BaseIOIOLooper {
/** The on-board LED. */
private DigitalOutput led_;
/**
* Called every time a connection with IOIO has been established.
* Typically used to open pins.
*
* @throws ConnectionLostException
* When IOIO connection is lost.
*
* @see ioio.lib.util.IOIOLooper#setup()
*/
It can't resolve IOIOLooper#setup and setup is red. This may just be a red
herring as who ever heard of an error inside a comment?
In any case it fails
E/AndroidRuntime: FATAL EXCEPTION: main
Process: ioio.examples.hello, PID: 4221
java.lang.RuntimeException: Unable to start
activity
ComponentInfo{ioio.examples.hello/ioio.examples.hello.MainActivity}:
java.lang.NullPointerException: Attempt to invoke interface method 'void
android.hardware.usb.IUsbManager.getDeviceList(android.os.Bundle)' on a
null object reference
at
android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416)
at
android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
It isn't clear to me what has failed. Is it something in ioio or
android.hardware.usb? It appears again as
Caused by: java.lang.NullPointerException: Attempt to invoke interface
method 'void
android.hardware.usb.IUsbManager.getDeviceList(android.os.Bundle)' on a
null object reference
at
android.hardware.usb.UsbManager.getDeviceList(UsbManager.java:295)
I am using an IOIO bridge to talk between the ioio and the emulator and it
works on the simple android test program which I wrote. The test program
doesn't do anything with the ioio board
itself, so I am trying to take the next step. Until I figure out what is
killing me, there isn't much I can do.
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