[qrcode] Open any available camera if back camera isn't available.

Bug: 159956551

Test: make RunSettingsRoboTests ROBOTEST_FILTER=QrCameraTest
Change-Id: I2aa01330c8d12c478f8392f66359131638590b77

1 files changed, 8 insertions, 1 deletions

diff --git a/src/com/android/settings/wifi/qrcode/QrCamera.java b/src/com/android/settings/wifi/qrcode/QrCamera.java
index 8e4b39fb0b..3865eb1f11 100644
--- a/src/com/android/settings/wifi/qrcode/QrCamera.java
+++ b/src/com/android/settings/wifi/qrcode/QrCamera.java
@@ -299,6 +299,13 @@ public class QrCamera extends Handler {
                         break;
                     }
                 }
+                if (mCamera == null && numberOfCameras > 0) {
+                    Log.i(TAG, "Can't find back camera. Opening a different camera");
+                    Camera.getCameraInfo(0, cameraInfo);
+                    releaseCamera();
+                    mCamera = Camera.open(0);
+                    mCameraOrientation = cameraInfo.orientation;
+                }
             } catch (RuntimeException e) {
                 Log.e(TAG, "Fail to open camera: " + e);
                 mCamera = null;
@@ -308,7 +315,7 @@ public class QrCamera extends Handler {
 
             try {
                 if (mCamera == null) {
-                    throw new IOException("Cannot find available back camera");
+                    throw new IOException("Cannot find available camera");
                 }
                 mCamera.setPreviewTexture(surface);
                 setCameraParameter();