diff options
author | Enrico Granata <egranata@google.com> | 2018-05-07 17:42:21 -0700 |
---|---|---|
committer | Enrico Granata <egranata@google.com> | 2018-05-22 11:30:10 -0700 |
commit | 3ac2057bd91eb506a4731338f724897cc8f449ae (patch) | |
tree | 4e0f54dd35518b225e951551b7f6be509cc9b350 /tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink | |
parent | b273a47d62c237dbc9069ace6ef834942d192d39 (diff) | |
download | Car-3ac2057bd91eb506a4731338f724897cc8f449ae.tar.gz |
Service and KitchenSink logic to read the kernel's input event queues
This patch provides a native service that can manually be built, installed to a device, and launched, e.g.
sh# /system/bin/com.android.car.keventreader /dev/input/event*
The service will monitor the files provided as input (expecting them to be kernel input queues in the format
described at, e.g. https://github.com/torvalds/linux/blob/master/include/uapi/linux/input.h), and generate
events upon reading EV_KEY events from each such file.
The patch also includes a KitchenSink hook to talk to the native service and receive key events from it.
Bug: 78258802
Test: manual on Mojave
Change-Id: If7f2f1f72e4dc6a26cd9d32b31e90e494d55650b
Merged-In: If7f2f1f72e4dc6a26cd9d32b31e90e494d55650b
Diffstat (limited to 'tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink')
-rw-r--r-- | tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/input/InputTestFragment.java | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/input/InputTestFragment.java b/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/input/InputTestFragment.java index ff6ef21c55..4b9ec1d25b 100644 --- a/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/input/InputTestFragment.java +++ b/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/input/InputTestFragment.java @@ -30,6 +30,7 @@ import android.hardware.automotive.vehicle.V2_0.VehiclePropertyType; import android.os.Bundle; import android.os.RemoteException; import android.support.v4.app.Fragment; +import android.text.method.ScrollingMovementMethod; import android.util.Log; import android.view.KeyEvent; import android.view.LayoutInflater; @@ -40,6 +41,12 @@ import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast; +import android.support.v4.app.Fragment; + +import com.android.car.keventreader.EventReaderService; +import com.android.car.keventreader.IEventCallback; +import com.android.car.keventreader.KeypressEvent; + import com.google.android.car.kitchensink.R; import com.google.android.collect.Lists; @@ -67,6 +74,25 @@ public class InputTestFragment extends Fragment { private IVehicle mVehicle; + private EventReaderService mEventReaderService; + + private final IEventCallback.Stub mKeypressEventHandler = new IEventCallback.Stub() { + private String prettyPrint(KeypressEvent event) { + return String.format("Event{source = %s, keycode = %s, key%s}\n", + event.source, + event.keycodeToString(), + event.isKeydown ? "down" : "up"); + } + + @Override + public void onEvent(KeypressEvent keypressEvent) throws RemoteException { + Log.d(TAG, "received event " + keypressEvent); + mInputEventsList.append(prettyPrint(keypressEvent)); + } + }; + + private TextView mInputEventsList; + @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); @@ -79,6 +105,12 @@ public class InputTestFragment extends Fragment { throw new RuntimeException("Failed to connect to IVehicle"); } Log.d(TAG, "Connected to IVehicle service: " + mVehicle); + + mEventReaderService = EventReaderService.tryGet(); + Log.d(TAG, "Key Event Reader service: " + mEventReaderService); + if (mEventReaderService != null) { + mEventReaderService.registerCallback(mKeypressEventHandler); + } } @Nullable @@ -87,6 +119,9 @@ public class InputTestFragment extends Fragment { @Nullable Bundle savedInstanceState) { View view = inflater.inflate(R.layout.input_test, container, false); + mInputEventsList = view.findViewById(R.id.events_list); + mInputEventsList.setMovementMethod(new ScrollingMovementMethod()); + TextView steeringWheelLabel = new TextView(getActivity() /*context*/); steeringWheelLabel.setText(R.string.steering_wheel); steeringWheelLabel.setTextSize(getResources().getDimension(R.dimen.car_title2_size)); @@ -161,6 +196,9 @@ public class InputTestFragment extends Fragment { public void onDestroyView() { super.onDestroyView(); mButtons.clear(); + if (mEventReaderService != null) { + mEventReaderService.unregisterCallback(mKeypressEventHandler); + } } private void addButtonsToPanel(LinearLayout root, List<View> buttons) { |