diff --git a/src/android/customCamera/res/layout/activity_camera_view.xml b/src/android/customCamera/res/layout/activity_camera_view.xml
index 5a41113..4a8791b 100644
--- a/src/android/customCamera/res/layout/activity_camera_view.xml
+++ b/src/android/customCamera/res/layout/activity_camera_view.xml
@@ -13,7 +13,9 @@
 
     <FrameLayout
         android:layout_width="fill_parent"
-        android:layout_height="fill_parent" >
+        android:layout_height="fill_parent"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentTop="true" >
 
         <ImageView
             android:id="@+id/normal"
@@ -24,86 +26,71 @@
             android:src="@drawable/normal" />
     </FrameLayout>
 
-    <GridLayout
+    <LinearLayout
+        android:id="@+id/linearLayout1"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:columnCount="4" >
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentTop="true"
+        android:gravity="bottom" >
 
-        <LinearLayout
-            android:layout_width="fill_parent"
-            android:layout_height="match_parent"
-            android:orientation="horizontal" >
-
-            <RelativeLayout
-                android:id="@+id/miniature_layout"
-                android:layout_width="wrap_content"
-                android:layout_height="match_parent" >
-
-                <Button
-                    android:id="@+id/miniature"
-                    android:layout_width="wrap_content"
-                    android:layout_height="wrap_content"
-                    android:layout_alignParentBottom="true"
-                    android:layout_gravity="bottom"
-                    android:onClick="showMiniature"
-                    android:text="@string/miniature" />
-
-            </RelativeLayout>
-
-            <Button
-                android:id="@+id/capture"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_gravity="bottom"
-                android:layout_weight="0.74"
-                android:text="@string/capture"
-                android:onClick="takePhoto" />
-
-            <org.geneanet.customcamera.VerticalSeekBar
-                android:id="@+id/switchOpacity"
-                android:layout_width="wrap_content"
-                android:layout_height="300dp"
-                android:layout_gravity="center_vertical|right"
-                android:layout_weight="0"
-                android:alpha="0.6"
-                android:max="7"
-                android:maxHeight="13dp"
-                android:minHeight="0dp"
-                android:progress="0"
-                android:progressDrawable="@drawable/custom_opacity_bar"
-                android:secondaryProgress="7"
-                android:thumb="@drawable/thumb" />
-        </LinearLayout>
-    </GridLayout>
-
-    <GridLayout
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:columnCount="2" >
-
-        <LinearLayout
-            android:id="@+id/keepPhoto"
-            android:layout_width="fill_parent"
+        <Button
+            android:id="@+id/miniature"
+            android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:layout_gravity="bottom"
+            android:layout_weight="0.2"
+            android:onClick="showMiniature"
+            android:text="@string/miniature" />
+
+        <Button
+            android:id="@+id/capture"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:onClick="takePhoto"
+            android:text="@string/capture" />
+
+        <org.geneanet.customcamera.VerticalSeekBar
+            android:id="@+id/switchOpacity"
+            android:layout_width="wrap_content"
+            android:layout_height="300dp"
+            android:layout_gravity="center_vertical"
+            android:layout_weight="0"
             android:alpha="0.6"
-            android:background="@color/black"
-            android:visibility="invisible" >
+            android:max="7"
+            android:maxHeight="13dp"
+            android:minHeight="0dp"
+            android:progress="0"
+            android:progressDrawable="@drawable/custom_opacity_bar"
+            android:secondaryProgress="7"
+            android:thumb="@drawable/thumb"
+            android:thumbOffset="-0.9px" />
+    </LinearLayout>
 
-            <Button
-                android:id="@+id/accept"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/acceptePicture" />
+    <LinearLayout
+        android:id="@+id/keepPhoto"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentTop="true"
+        android:alpha="0.6"
+        android:background="@color/black"
+        android:gravity="bottom"
+        android:visibility="invisible" >
 
-            <Button
-                android:id="@+id/decline"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:layout_weight="1"
-                android:text="@string/declinePicture" />
-        </LinearLayout>
-    </GridLayout>
+        <Button
+            android:id="@+id/accept"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/acceptePicture" />
+
+        <Button
+            android:id="@+id/decline"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:layout_weight="1"
+            android:text="@string/declinePicture" />
+    </LinearLayout>
 
 </RelativeLayout>
diff --git a/src/android/customCamera/src/org/geneanet/customcamera/CameraActivity.java b/src/android/customCamera/src/org/geneanet/customcamera/CameraActivity.java
index c7f9e41..391a150 100644
--- a/src/android/customCamera/src/org/geneanet/customcamera/CameraActivity.java
+++ b/src/android/customCamera/src/org/geneanet/customcamera/CameraActivity.java
@@ -11,6 +11,7 @@ import android.app.Activity;
 import android.content.Intent;
 import android.content.res.Configuration;
 import android.hardware.Camera;
+import android.hardware.Camera.Parameters;
 import android.hardware.Camera.PictureCallback;
 import android.hardware.Camera.ShutterCallback;
 import android.os.Bundle;
@@ -318,7 +319,6 @@ public class CameraActivity extends Activity {
              */
             public void onPictureTaken(final byte[] data, Camera camera) {
                 // Show buttons to accept or decline the picture.
-
                 final LinearLayout keepPhoto = (LinearLayout) findViewById(R.id.keepPhoto);
                 keepPhoto.setVisibility(View.VISIBLE);
                 Button accept = (Button)findViewById(R.id.accept);
@@ -330,10 +330,22 @@ public class CameraActivity extends Activity {
 
                 // Put button miniature at the top of the page
                 final Button miniature = (Button)findViewById(R.id.miniature);
-                final LayoutParams params = (RelativeLayout.LayoutParams)miniature.getLayoutParams();
-                ((RelativeLayout.LayoutParams) params).addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, 0);
-                ((RelativeLayout.LayoutParams) params).addRule(RelativeLayout.ALIGN_PARENT_TOP, RelativeLayout.TRUE);
+                final LayoutParams params = (LinearLayout.LayoutParams)miniature.getLayoutParams();
+                ((LinearLayout.LayoutParams) params).gravity = Gravity.TOP;
                 miniature.setLayoutParams(params);
+                
+                try {
+                    Camera.Parameters test = mCamera.getParameters();             
+                    test.setWhiteBalance(Parameters.WHITE_BALANCE_AUTO);
+                    test.setSceneMode(Parameters.SCENE_MODE_AUTO);
+                     int index = test.getExposureCompensation ();
+                     // to set maximum Exposure
+                     test.setExposureCompensation(test.getMaxExposureCompensation());
+
+                     mCamera.setParameters(test);
+                } catch (Exception e) {
+                    e.printStackTrace();
+                }
   
                 photoTaken = true;
                 
@@ -375,8 +387,7 @@ public class CameraActivity extends Activity {
                     @Override
                     public void onClick(View v) {
                     	photoTaken = false;
-                    	((RelativeLayout.LayoutParams) params).addRule(RelativeLayout.ALIGN_PARENT_BOTTOM, RelativeLayout.TRUE);
-                    	((RelativeLayout.LayoutParams) params).addRule(RelativeLayout.ALIGN_PARENT_TOP, 0);
+                        ((LinearLayout.LayoutParams) params).gravity = Gravity.BOTTOM;
                     	miniature.setLayoutParams(params);
                     	
                     	// If mode miniature and photo is declined, the miniature goes back to the bottom