1 files changed, 4 insertions, 0 deletions
diff --git a/apps/OboeTester/app/src/main/java/com/mobileer/oboetester/ExternalTapToToneActivity.java b/apps/OboeTester/app/src/main/java/com/mobileer/oboetester/ExternalTapToToneActivity.java
index 06cf26d2..c978da37 100644
--- a/apps/OboeTester/app/src/main/java/com/mobileer/oboetester/ExternalTapToToneActivity.java
+++ b/apps/OboeTester/app/src/main/java/com/mobileer/oboetester/ExternalTapToToneActivity.java
@@ -6,6 +6,7 @@ import android.content.pm.PackageManager;
 import android.os.Bundle;
 import android.util.Log;
 import android.view.View;
+import android.view.WindowManager;
 import android.widget.Button;
 import android.widget.Toast;
 
@@ -58,6 +59,7 @@ public class ExternalTapToToneActivity extends Activity {
             mTapToToneTester.resetLatency();
             mTapToToneTester.start();
             updateButtons(true);
+            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
         } catch (IOException e) {
             e.printStackTrace();
             showErrorToast("Start audio failed! " + e.getMessage());
@@ -68,11 +70,13 @@ public class ExternalTapToToneActivity extends Activity {
     public void stopTest(View view) {
         mTapToToneTester.stop();
         updateButtons(false);
+        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
     }
 
     @Override
     public void onStop() {
         mTapToToneTester.stop();
+        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
         super.onStop();
     }