From 200816ca84140859e66a56e8224e6532b8ca662a Mon Sep 17 00:00:00 2001
From: Mattia Iavarone <mat.iavarone@gmail.com>
Date: Fri, 8 Sep 2017 16:23:55 +0200
Subject: [PATCH] Use SurfaceViewPreview when hardware acceleration is off
 (#36)

---
 .../main/java/com/otaliastudios/cameraview/CameraView.java   | 5 ++++-
 .../com/otaliastudios/cameraview/SurfaceViewPreview.java     | 2 +-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/cameraview/src/main/java/com/otaliastudios/cameraview/CameraView.java b/cameraview/src/main/java/com/otaliastudios/cameraview/CameraView.java
index e79066a0..e6c22a26 100644
--- a/cameraview/src/main/java/com/otaliastudios/cameraview/CameraView.java
+++ b/cameraview/src/main/java/com/otaliastudios/cameraview/CameraView.java
@@ -159,7 +159,10 @@ public class CameraView extends FrameLayout {
 
 
     protected Preview instantiatePreview(Context context, ViewGroup container) {
-        return new TextureViewPreview(context, container, null);
+        // TextureView is not supported without hardware acceleration.
+        return isHardwareAccelerated() ?
+                new TextureViewPreview(context, container, null) :
+                new SurfaceViewPreview(context, container, null);
     }
 
 
diff --git a/cameraview/src/main/views/com/otaliastudios/cameraview/SurfaceViewPreview.java b/cameraview/src/main/views/com/otaliastudios/cameraview/SurfaceViewPreview.java
index ed5e3f60..4fe2b73a 100644
--- a/cameraview/src/main/views/com/otaliastudios/cameraview/SurfaceViewPreview.java
+++ b/cameraview/src/main/views/com/otaliastudios/cameraview/SurfaceViewPreview.java
@@ -8,7 +8,7 @@ import android.view.SurfaceView;
 import android.view.View;
 import android.view.ViewGroup;
 
-// This is not used.
+// Fallback preview when hardware acceleration is off.
 class SurfaceViewPreview extends Preview<SurfaceView, SurfaceHolder> {