diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 4323274..4f1cb8b 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -41,6 +41,7 @@
     <uses-permission android:name="android.permission.STOP_APP_SWITCHES" />
     <uses-permission android:name="android.permission.VIBRATE" />
     <uses-permission android:name="android.permission.WRITE_CALL_LOG" />
+    <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.READ_BLOCKED_NUMBERS" />
     <uses-permission android:name="android.permission.WRITE_BLOCKED_NUMBERS" />
     <uses-permission android:name="android.permission.SUBSTITUTE_NOTIFICATION_APP_NAME" />
diff --git a/src/com/android/server/telecom/components/UserCallActivity.java b/src/com/android/server/telecom/components/UserCallActivity.java
index 1a3c77a..dbee450 100644
--- a/src/com/android/server/telecom/components/UserCallActivity.java
+++ b/src/com/android/server/telecom/components/UserCallActivity.java
@@ -23,6 +23,7 @@
 import android.content.Context;
 import android.content.Intent;
 import android.os.Bundle;
+import android.os.PowerManager;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.telecom.Log;
@@ -52,6 +53,11 @@
     @Override
     protected void onCreate(Bundle bundle) {
         super.onCreate(bundle);
+        PowerManager powerManager = (PowerManager) getSystemService(POWER_SERVICE);
+        PowerManager.WakeLock wakelock = powerManager.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK,
+                "UserCallActivity");
+        wakelock.acquire();
+
         Log.startSession("UCA.oC");
         try {
             // TODO: Figure out if there is something to restore from bundle.
@@ -71,7 +77,9 @@
                     getCallingPackage(), true /* hasCallAppOp*/);
         } finally {
             Log.endSession();
+            wakelock.release();
         }
+        Log.i(this, "onCreate done");
         finish();
     }