Fixed layout in third Android tutorial

doc/_themes/blue/static/default.css_t

@@ -175,6 +175,8 @@ a:hover {
 div.body p, div.body dd, div.body li {
     text-align: justify;
     line-height: 130%;
+    margin-top: 1em;
+    margin-bottom: 1em;
 }
 
 div.body h1,
@@ -327,9 +329,9 @@ table.field-list {
     margin-top: 20px;
 }
 
-ul.simple {
+/*ul.simple {
     list-style: none;
-}
+}*/
 
 em.menuselection, em.guilabel {
     font-family: {{ theme_guifont }};
@@ -384,3 +386,8 @@ margin-top: 0px;
 div.body ul.search li {
     text-align: left;
 }
+
+div.linenodiv {
+    min-width: 1em;
+    text-align: right;
+}

doc/tutorials/introduction/android_binary_package/dev_with_OCV_on_Android.rst

@@ -266,12 +266,12 @@ It will be capable of accessing camera output, processing it and displaying the
 #. Set name, target, package and minSDKVersion accordingly.
 
 #. Create a new class (*File -> New -> Class*). Name it for example: *HelloOpenCVView*.
+
    .. image:: images/dev_OCV_new_class.png
         :alt: Add a new class.
         :align: center
 
    * It should extend *SurfaceView* class.
-
    * It also should implement *SurfaceHolder.Callback*, *Runnable*.
 
 #. Edit *HelloOpenCVView* class.
@@ -279,7 +279,9 @@ It will be capable of accessing camera output, processing it and displaying the
    * Add an *import* line for *android.content.context*.
 
    * Modify autogenerated stubs: *HelloOpenCVView*, *surfaceCreated*, *surfaceDestroyed* and *surfaceChanged*.
+
      .. code-block:: java
+        :linenos:
 
         package com.hello.opencv.test;
 
@@ -300,16 +302,18 @@ It will be capable of accessing camera output, processing it and displaying the
             cameraRelease();
         }
 
-		  public void surfaceChanged(SurfaceHolder holder, int format, int width,
-		  int height) {
+        public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
             cameraSetup(width, height);
         }
 
+        //...
+
    * Add *cameraOpen*, *cameraRelease* and *cameraSetup* voids as shown below.
 
    * Also, don't forget to add the public void *run()* as follows:
 
      .. code-block:: java
+        :linenos:
 
         public void run() {
             // TODO: loop { getFrame(), processFrame(), drawFrame() }
@@ -327,11 +331,10 @@ It will be capable of accessing camera output, processing it and displaying the
             // TODO setup camera
         }
 
-
-       ..
-
 #. Create a new *Activity* (*New -> Other -> Android -> Android Activity*) and name it, for example: *HelloOpenCVActivity*. For this activity define *onCreate*, *onResume* and *onPause* voids.
+
    .. code-block:: java
+      :linenos:
 
        public void onCreate (Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
@@ -359,11 +362,12 @@ It will be capable of accessing camera output, processing it and displaying the
                });
                ad.show();
            }
-		
        }
 
 #. Add the following permissions to the AndroidManifest.xml file:
+
    .. code-block:: xml
+      :linenos:
 
       </application>
 
@@ -372,12 +376,15 @@ It will be capable of accessing camera output, processing it and displaying the
       <uses-feature android:name="android.hardware.camera.autofocus" />
 
 #. Reference OpenCV library within your project properties.
+
    .. image:: images/dev_OCV_reference.png
         :alt: Reference OpenCV library.
         :align: center
 
 #. We now need some code to handle the camera. Update the *HelloOpenCVView* class as follows:
+
    .. code-block:: java
+      :linenos:
 
       private VideoCapture      mCamera;
 
@@ -394,6 +401,7 @@ It will be capable of accessing camera output, processing it and displaying the
           }
           return true;
       }
+
       public void cameraRelease() {
           synchronized(this) {
               if (mCamera != null) {
@@ -402,6 +410,7 @@ It will be capable of accessing camera output, processing it and displaying the
               }
           }
       }
+
       private void cameraSetup(int width, int height) {
           synchronized (this) {
               if (mCamera != null && mCamera.isOpened()) {
@@ -425,7 +434,9 @@ It will be capable of accessing camera output, processing it and displaying the
       }
 
 #. The last step would be to update the *run()* void in *HelloOpenCVView* class as follows:
+
    .. code-block:: java
+      :linenos:
 
       public void run() {
           while (true) {
@@ -465,5 +476,3 @@ It will be capable of accessing camera output, processing it and displaying the
           }
           return bmp;
       }
-
-