Camera switching working

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/CameraFragment.java

@@ -2,14 +2,24 @@ package nl.myhyvesbookplus.tagram;
 
 import android.content.Context;
 import android.hardware.Camera;
+import android.hardware.Camera.PictureCallback;
 import android.net.Uri;
 import android.os.Bundle;
 import android.app.Fragment;
 import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.widget.ImageButton;
 import android.widget.RelativeLayout;
+import android.widget.RelativeLayout.LayoutParams;
+import android.widget.Toast;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
 
 /**
  * A simple {@link Fragment} subclass.
@@ -72,11 +82,10 @@ public class CameraFragment extends Fragment {
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
         // Inflate the layout for this fragment
-        View view = inflater.inflate(R.layout.fragment_camera, container, false);
+        final View view = inflater.inflate(R.layout.fragment_camera, container, false);
 
-        mCamera = getCameraInstance();
         mPreview = new CameraPreview(getActivity().getBaseContext(), mCamera);
-        RelativeLayout preview = (RelativeLayout) view.findViewById(R.id.camera_preview);
+        final RelativeLayout preview = (RelativeLayout) view.findViewById(R.id.camera_preview);
 
         preview.addView(mPreview);
 
@@ -84,6 +93,48 @@ public class CameraFragment extends Fragment {
         view.findViewById(R.id.picture_button).bringToFront();
         view.findViewById(R.id.switch_camera_button).bringToFront();
 
+        ((ImageButton)view.findViewById(R.id.picture_button)).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Toast.makeText(getActivity(), "Snap!", Toast.LENGTH_SHORT).show();
+                /*
+                PictureCallback mPicture = new PictureCallback() {
+
+                    @Override
+                    public void onPictureTaken(byte[] data, Camera camera) {
+                        Log.v("picture", "Getting output media file");
+                        File pictureFile = getOutputMediaFile();
+                        if (pictureFile == null) {
+                            Log.v("picture", "Error creating output file");
+                            return;
+                        }
+                        try {
+                            FileOutputStream fos = new FileOutputStream(pictureFile);
+                            fos.write(data);
+                            fos.close();
+                        } catch (IOException e) {
+                            Log.v("picture", e.getMessage());
+                        }
+                    }
+                };
+                */
+            }
+        });
+
+        ((ImageButton)view.findViewById(R.id.switch_camera_button)).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                CameraPreview.switchFacing();
+
+                preview.removeView(mPreview);
+                mPreview = new CameraPreview(getActivity().getBaseContext(), mCamera);
+                preview.addView(mPreview);
+
+                view.findViewById(R.id.picture_button).bringToFront();
+                view.findViewById(R.id.switch_camera_button).bringToFront();
+            }
+        });
+
         return view;
     }
 
@@ -111,16 +162,29 @@ public class CameraFragment extends Fragment {
         mListener = null;
     }
 
-    public static Camera getCameraInstance(){
+    public static Camera getCameraInstance(int facing) {
         Camera c = null;
         try {
-            c = Camera.open(0);
+            c = Camera.open(facing);
         } catch (Exception e) {
             e.getStackTrace();
         }
         return c;
     }
 
+    @Override
+    public void onPause() {
+        super.onPause();
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+    }
+
+    public void setCamera(Camera c) {
+        this.mCamera = c;
+    }
 
     /**
      * This interface must be implemented by activities that contain this

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/CameraPreview.java

@@ -1,5 +1,4 @@
 package nl.myhyvesbookplus.tagram;
-
 import android.content.Context;
 import android.hardware.Camera;
 import android.util.Log;
@@ -9,12 +8,13 @@ import android.view.SurfaceView;
 import java.io.IOException;
 
 public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback {
-    SurfaceHolder mHolder;
+    private SurfaceHolder mHolder;
-    Camera mCamera;
+    private Camera mCamera;
+    private static int facing = 0;
 
     public CameraPreview(Context context, Camera camera) {
         super(context);
-        mCamera = camera;
+        mCamera = camera.open(facing);
         mCamera.setDisplayOrientation(90);
 
         mHolder = getHolder();
@@ -23,8 +23,6 @@ public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback
 
     @Override
     public void surfaceCreated(SurfaceHolder mHolder) {
-        Log.d("camera", "ding");
-
         try {
             mCamera.setPreviewDisplay(mHolder);
             mCamera.startPreview();
@@ -65,4 +63,11 @@ public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback
         mCamera.stopPreview();
         mCamera.release();
     }
+
+    public static void switchFacing() {
+        if (facing == Camera.CameraInfo.CAMERA_FACING_FRONT)
+            facing = Camera.CameraInfo.CAMERA_FACING_BACK;
+        else
+            facing = Camera.CameraInfo.CAMERA_FACING_FRONT;
+    }
 }

app/MyHyvesBookPlusStagram/app/src/main/java/nl/myhyvesbookplus/tagram/MainActivity.java

@@ -3,6 +3,7 @@ package nl.myhyvesbookplus.tagram;
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.content.Intent;
+import android.hardware.Camera;
 import android.net.Uri;
 import android.os.Bundle;
 import android.support.annotation.NonNull;

app/MyHyvesBookPlusStagram/app/src/main/res/layout/fragment_camera.xml

@@ -13,8 +13,7 @@
         <RelativeLayout
             android:id="@+id/camera_preview"
             android:layout_width="fill_parent"
-            android:layout_height="fill_parent"
+            android:layout_height="fill_parent" >
-            android:layout_weight="1">
 
             <ImageButton
                 android:id="@+id/picture_button"