Feature #2893 Create Java sample without layout.xml implemented.

samples/android/15-puzzle/res/layout/activity_puzzle15.xml

-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent" >
-
-    <org.opencv.android.JavaCameraView
-        android:layout_width="fill_parent"
-        android:layout_height="fill_parent"
-        android:id="@+id/puzzle_activity_surface_view" />
-
-</LinearLayout>

samples/android/15-puzzle/res/menu/activity_puzzle15.xml

-<menu xmlns:android="http://schemas.android.com/apk/res/android">
-    <item android:id="@+id/menu_start_new_game"
-        android:title="@string/menu_start_new_game"
-        android:orderInCategory="100" />
-    <item android:id="@+id/menu_toggle_tile_numbers" android:title="@string/menu_toggle_tile_numbers"></item>
-</menu>

samples/android/15-puzzle/src/org/opencv/samples/puzzle15/Puzzle15Activity.java

@@ -6,6 +6,7 @@ import org.opencv.android.OpenCVLoader;
 import org.opencv.core.Mat;
 import org.opencv.android.CameraBridgeViewBase;
 import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener;
+import org.opencv.android.JavaCameraView;
 
 import android.os.Bundle;
 import android.app.Activity;
@@ -22,6 +23,9 @@ public class Puzzle15Activity extends Activity implements CvCameraViewListener,
 
     private CameraBridgeViewBase mOpenCvCameraView;
     private Puzzle15Processor    mPuzzle15;
+    private MenuItem             mItemHideNumbers;
+    private MenuItem             mItemStartNewGame;
+
 
     private int                  mGameWidth;
     private int                  mGameHeight;
@@ -52,9 +56,9 @@ public class Puzzle15Activity extends Activity implements CvCameraViewListener,
         super.onCreate(savedInstanceState);
         getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
 
-        setContentView(R.layout.activity_puzzle15);
-
-        mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.puzzle_activity_surface_view);
+        Log.d(TAG, "Creating and seting view");
+        mOpenCvCameraView = (CameraBridgeViewBase) new JavaCameraView(this, -1);
+        setContentView(mOpenCvCameraView);
         mOpenCvCameraView.setCvCameraViewListener(this);
         mPuzzle15 = new Puzzle15Processor();
         mPuzzle15.prepareNewGame();
@@ -83,17 +87,19 @@ public class Puzzle15Activity extends Activity implements CvCameraViewListener,
 
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
-        getMenuInflater().inflate(R.menu.activity_puzzle15, menu);
+        Log.i(TAG, "called onCreateOptionsMenu");
+        mItemHideNumbers = menu.add("Show/hide tile numbers");
+        mItemStartNewGame = menu.add("Start new game");
         return true;
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         Log.i(TAG, "Menu Item selected " + item);
-        if (item.getItemId() == R.id.menu_start_new_game) {
+        if (item == mItemStartNewGame) {
             /* We need to start new game */
             mPuzzle15.prepareNewGame();
-        } else if (item.getItemId() == R.id.menu_toggle_tile_numbers) {
+        } else if (item == mItemHideNumbers) {
             /* We need to enable or disable drawing of the tile numbers */
             mPuzzle15.toggleTileNumbers();
         }