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examples / src / main / java / org / distorted / examples / olimpic / OlimpicRenderer.java @ 6eb5eec2

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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski                                                               //
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//                                                                                               //
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// This file is part of Distorted.                                                               //
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//                                                                                               //
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// Distorted is free software: you can redistribute it and/or modify                             //
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// it under the terms of the GNU General Public License as published by                          //
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// the Free Software Foundation, either version 2 of the License, or                             //
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// (at your option) any later version.                                                           //
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//                                                                                               //
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// Distorted is distributed in the hope that it will be useful,                                  //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //
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// GNU General Public License for more details.                                                  //
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//                                                                                               //
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// You should have received a copy of the GNU General Public License                             //
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// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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package org.distorted.examples.olimpic;
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import java.io.IOException;
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import java.io.InputStream;
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import javax.microedition.khronos.egl.EGLConfig;
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import javax.microedition.khronos.opengles.GL10;
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import org.distorted.examples.R;
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import org.distorted.library.DistortedEffects;
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import org.distorted.library.DistortedScreen;
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import org.distorted.library.DistortedNode;
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import org.distorted.library.EffectTypes;
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import org.distorted.library.MeshFlat;
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import org.distorted.library.type.Dynamic1D;
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import org.distorted.library.type.Static3D;
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import org.distorted.library.type.Static1D;
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import org.distorted.library.Distorted;
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import org.distorted.library.DistortedTexture;
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import android.graphics.Bitmap;
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import android.graphics.BitmapFactory;
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import android.opengl.GLES30;
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import android.opengl.GLSurfaceView;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class OlimpicRenderer implements GLSurfaceView.Renderer 
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{
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   private static final int LEAF_SIZE = 100;
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   private static final int NUM_CIRCLES = 5;
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   private static final int NUM_LEAVES  = 8;
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   private GLSurfaceView mView;
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   private DistortedNode mRoot;
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   private DistortedTexture mLeaf;
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   private DistortedScreen mScreen;
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   private MeshFlat mMesh;
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   private int mScreenW, mScreenH;
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   private int mPrevRendered, mCurrRendered;
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   private DistortedNode[] mCircleNode = new DistortedNode[NUM_CIRCLES];
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   private DistortedEffects[] mEffects = new DistortedEffects[NUM_LEAVES];
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   void pressed(int color, int number, boolean checked)
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     {
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     if( color>=0 && color<NUM_CIRCLES )
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       {
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       if( number==0 )
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         {
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         if( checked ) mRoot.attach(mCircleNode[color]);
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         else          mRoot.detach(mCircleNode[color]);
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         }
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       else if( number>0 && number<=NUM_LEAVES )
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         {
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         if( checked ) mCircleNode[color].attach( mLeaf, mEffects[number-1], mMesh);
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         else          mCircleNode[color].detach(mEffects[number-1]);
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         }
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       }
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     }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   OlimpicRenderer(GLSurfaceView v)
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      {     
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      mView = v;
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      mPrevRendered = 0;
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      mCurrRendered = 0;
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      mLeaf = new DistortedTexture(LEAF_SIZE,LEAF_SIZE);
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      DistortedTexture surface = new DistortedTexture(3*LEAF_SIZE,3*LEAF_SIZE);
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      mMesh = new MeshFlat(1,1);
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      DistortedEffects effects = new DistortedEffects();
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      mScreenW = 9*LEAF_SIZE;
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      mScreenH = 9*LEAF_SIZE;
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      mRoot = new DistortedNode(new DistortedTexture(mScreenW,mScreenH), effects, mMesh);
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      Dynamic1D rot = new Dynamic1D(5000,0.0f);
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      rot.setMode(Dynamic1D.MODE_JUMP);
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      rot.add(new Static1D(  0));
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      rot.add(new Static1D(360));
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      int[] colors    = new int[] {0,0,1,  0,0,0,  1,0,0,  1,1,0,  0,1,0}; // blue, black, red, yellow, green  
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      int[] positions = new int[] {0,2*LEAF_SIZE,  3*LEAF_SIZE,2*LEAF_SIZE,  6*LEAF_SIZE,2*LEAF_SIZE,  3*LEAF_SIZE/2,9*LEAF_SIZE/2,  9*LEAF_SIZE/2,9*LEAF_SIZE/2};
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      Static3D center = new Static3D(3*LEAF_SIZE/2, 3*LEAF_SIZE/2, 0);
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      Static3D axis   = new Static3D(0,0,1);
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      Static3D moveVector = new Static3D(0,LEAF_SIZE,0);
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      for(int j=0; j<NUM_LEAVES; j++)
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        {
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        mEffects[j] = new DistortedEffects();
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        mEffects[j].rotate( new Static1D(j*(360/NUM_LEAVES)), axis, center );
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        mEffects[j].move(moveVector);
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        }
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      for(int i=0; i<NUM_CIRCLES; i++)
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        {
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        effects = new DistortedEffects();
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        effects.move( new Static3D(positions[2*i], positions[2*i+1], 0) );
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        effects.rotate( rot, axis, center );
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        effects.chroma( new Static1D(0.5f), new Static3D(colors[3*i],colors[3*i+1], colors[3*i+2]) );
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        mCircleNode[i] = new DistortedNode( surface, effects, mMesh);
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        mRoot.attach(mCircleNode[i]);
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        for(int j=0; j<NUM_LEAVES; j++) mCircleNode[i].attach(mLeaf, mEffects[j], mMesh);
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        }
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      mScreen = new DistortedScreen();
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      mScreen.attach(mRoot);
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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    public void onDrawFrame(GL10 glUnused) 
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      {
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      GLES30.glClear( GLES30.GL_DEPTH_BUFFER_BIT | GLES30.GL_COLOR_BUFFER_BIT);
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      mCurrRendered = mScreen.render(System.currentTimeMillis());
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      if( mCurrRendered!=mPrevRendered )
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        {
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        mPrevRendered = mCurrRendered;
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        final OlimpicActivity act = (OlimpicActivity)mView.getContext();
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        act.runOnUiThread(new Runnable()
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          {
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          public void run()
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            {
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            act.setText("rendered: "+mCurrRendered+" objects");
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            }
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          });
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        }
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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    public void onSurfaceChanged(GL10 glUnused, int width, int height) 
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      {
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      DistortedEffects effects = mRoot.getEffects();
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      effects.abortEffects(EffectTypes.MATRIX);
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      if( (float)mScreenH/mScreenW > (float)height/width )
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        {
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        int w = (height*mScreenW)/mScreenH;
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        float factor = (float)height/mScreenH;
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        effects.move( new Static3D((width-w)/2 ,0, 0) );
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        effects.scale( factor );
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        }
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      else
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        {
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        int h = (width*mScreenH)/mScreenW;
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        float factor = (float)width/mScreenW;
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        effects.move( new Static3D(0,(height-h)/2,0) );
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        effects.scale( factor );
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        }
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      mScreen.resize(width, height);
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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    public void onSurfaceCreated(GL10 glUnused, EGLConfig config) 
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      {
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      GLES30.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
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      InputStream is = mView.getContext().getResources().openRawResource(R.raw.leaf);
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      Bitmap leaf;
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      try 
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        {
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        leaf = BitmapFactory.decodeStream(is);
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        } 
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      finally 
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        {
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        try 
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          {
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          is.close();
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          } 
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        catch(IOException e) { }
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        }  
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      mLeaf.setTexture(leaf);
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      try
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        {
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        Distorted.onCreate(mView.getContext());
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        }
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      catch(Exception ex)
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        {
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        android.util.Log.e("Olympic", ex.getMessage() );
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        }
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      }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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}