Show the heartbeat sent in ClusterHomeActivityLightMode.

This is to visualize the heartbeat sent in the sample cluster app.

Bug: 302368365

Test: manual

Change-Id: I893fc92803a3da2a7e34a51979d81d54924e6857

1 files changed, 9 insertions, 1 deletions

diff --git a/ClusterHomeSample/src/com/android/car/cluster/home/ClusterHomeActivityLightMode.java b/ClusterHomeSample/src/com/android/car/cluster/home/ClusterHomeActivityLightMode.java
index a2462d0..0240339 100644
--- a/ClusterHomeSample/src/com/android/car/cluster/home/ClusterHomeActivityLightMode.java
+++ b/ClusterHomeSample/src/com/android/car/cluster/home/ClusterHomeActivityLightMode.java
@@ -20,6 +20,7 @@ import android.car.Car;
 import android.car.cluster.ClusterHomeManager;
 import android.os.Bundle;
 import android.util.Log;
+import android.widget.TextView;
 
 public class ClusterHomeActivityLightMode extends ClusterHomeActivity {
 
@@ -27,6 +28,8 @@ public class ClusterHomeActivityLightMode extends ClusterHomeActivity {
     private static final long HEARTBEAT_INTERVAL_MS = 1000; // 1 second interval.
 
     private ClusterHomeManager mClusterHomeManager;
+    private TextView mTextView;
+    private String mText;
 
     private final Runnable mSendHeartbeatsRunnable = () -> sendHeartbeats();
 
@@ -45,6 +48,9 @@ public class ClusterHomeActivityLightMode extends ClusterHomeActivity {
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
+        mTextView = findViewById(R.id.text);
+        mText = getResources().getString(R.string.cluster_home_text);
+
         Car car = Car.createCar(getApplicationContext());
         mClusterHomeManager = (ClusterHomeManager) car.getCarManager(ClusterHomeManager.class);
     }
@@ -69,7 +75,9 @@ public class ClusterHomeActivityLightMode extends ClusterHomeActivity {
     }
 
     private void sendHeartbeats() {
-        mClusterHomeManager.sendHeartbeat(System.nanoTime(), /* appMetadata= */ null);
+        long nanoTime = System.nanoTime();
+        mClusterHomeManager.sendHeartbeat(nanoTime, /* appMetadata= */ null);
+        mTextView.setText(mText + "\nHeartbeat sent: " + nanoTime);
 
         getMainThreadHandler().postDelayed(mSendHeartbeatsRunnable, HEARTBEAT_INTERVAL_MS);
     }