Add recording capability to simple controller.

app/src/main/java/org/vato/carcontroller/PiLoader.java

@@ -1,6 +1,8 @@
 package org.vato.carcontroller;
 
 
+import com.google.protobuf.Empty;
+
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 
@@ -68,4 +70,15 @@ public class PiLoader implements Runnable {
             }
         }
     }
+
+    public void saveRecording() {
+        // Ideally don't want to use a blocking stub here, android may complain.
+        Empty done = stub.saveRecordedData(SaveRequest.newBuilder().setFile("Test").build());
+    }
+
+
+    public void record(boolean record) {
+        // Ideally don't want to use a blocking stub here, android may complain.
+        Empty done = stub.record(RecordingReqeust.newBuilder().setRecord(record).build());
+    }
 }

app/src/main/java/org/vato/carcontroller/SimpleController.java

@@ -2,15 +2,19 @@ package org.vato.carcontroller;
 
 import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.view.View;
 import android.widget.SeekBar;
+import android.widget.Switch;
 
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.preference.PreferenceManager;
 
 public class SimpleController extends AppCompatActivity implements SeekBar.OnSeekBarChangeListener {
 
-    SeekBar steeringSlider;
-    SeekBar throttleSlider;
+    private SeekBar steeringSlider;
+    private SeekBar throttleSlider;
+    private Switch recordSwitch;
+
     private static PiLoader grpcController;
 
     @Override
@@ -26,6 +30,8 @@ public class SimpleController extends AppCompatActivity implements SeekBar.OnSee
         if (throttleSlider != null) {
             throttleSlider.setOnSeekBarChangeListener(this);
         }
+
+        recordSwitch = findViewById(R.id.recordSwitch);
     }
 
     @Override
@@ -83,4 +89,12 @@ public class SimpleController extends AppCompatActivity implements SeekBar.OnSee
         steeringSlider.setProgress(50);
         throttleSlider.setProgress(50);
     }
+
+    public void saveRecording(View view) {
+        grpcController.saveRecording();
+    }
+
+    public void record(View view) {
+        grpcController.record(recordSwitch.isSelected());
+    }
 }