Distorted Android

        <activity android:name=".earth.EarthActivity2"/>

import android.content.Intent;

import android.view.Gravity;

import android.view.View;

import android.widget.AdapterView;

import android.widget.ArrayAdapter;

import android.widget.Button;

import android.widget.LinearLayout;

import android.widget.NumberPicker;

import android.widget.Spinner;

import android.widget.TableRow;

public class EarthActivity extends Activity

                               implements View.OnClickListener, AdapterView.OnItemSelectedListener

  {

  private static final int COLOR_OFF = 0xffffe81f;

  private static final int COLOR_ON  = 0xff0000ff;

  private static final int COLOR_INAC= 0xff999999;

  private int mNumCols = 1;

  private int mNumRows = 1;

  private int mNumSlic = 1;

  private boolean mGridInitialized;

  private NumberPicker mColsPicker, mRowsPicker, mSlicPicker;

  private boolean[] mShape;

  private int mObjectType;

  private int mBitmapID;

  private LinearLayout mLay;

  @Override

  protected void onCreate(Bundle savedState)

    {

    super.onCreate(savedState);

    setContentView(R.layout.objectpickerlayout);

    mLay = findViewById(R.id.objectpicker_buttongrid);

    mColsPicker = findViewById(R.id.objectpicker_cols);

    mRowsPicker = findViewById(R.id.objectpicker_rows);

    mSlicPicker = findViewById(R.id.objectpicker_slices);

    mColsPicker.setMaxValue(40);

    mColsPicker.setMinValue( 1);

    mRowsPicker.setMaxValue(40);

    mRowsPicker.setMinValue( 1);

    mSlicPicker.setMaxValue(40);

    mSlicPicker.setMinValue( 0);

    mColsPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener()

         {

         @Override

         public void onValueChange(NumberPicker picker, int oldVal, int newVal)

           {

           setGrid();

           }

         });

    mRowsPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener()

         {

         @Override

         public void onValueChange(NumberPicker picker, int oldVal, int newVal)

           {

           setGrid();

           }

         });

    mSlicPicker.setOnValueChangedListener(new NumberPicker.OnValueChangeListener()

         {

         @Override

         public void onValueChange(NumberPicker picker, int oldVal, int newVal)

           {

           mNumSlic = mSlicPicker.getValue();

           }

         });

    mObjectType = 0;

    mGridInitialized = false;

    Spinner typeSpinner  = findViewById(R.id.objectpicker_spinnerType);

    typeSpinner.setOnItemSelectedListener(this);

    String[] objectType = new String[] {"Mesh: Cubes", "Mesh: Flat", "Mesh: Sphere", "Mesh: Quad"};

    ArrayAdapter<String> adapterType = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item, objectType);

    adapterType.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

    typeSpinner.setAdapter(adapterType);

    Spinner bitmapSpinner  = findViewById(R.id.objectpicker_spinnerBitmap);

    bitmapSpinner.setOnItemSelectedListener(this);

    String[] objectBitmap = new String[] { "Texture: Grid", "Texture: Girl", "Texture: Dog", "Texture: Cat",

                                           "Texture: Squares", "Texture: Bean", "Texture: Lisa", "Texture: World" };

    ArrayAdapter<String> adapterBitmap = new ArrayAdapter<>(this, android.R.layout.simple_spinner_item, objectBitmap);

    adapterBitmap.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);

    bitmapSpinner.setAdapter(adapterBitmap);

    }

///////////////////////////////////////////////////////////////////////////////////////////////////

  private void setGrid()

    {

    mGridInitialized = true;

    mNumCols = mColsPicker.getValue();

    mNumRows = mRowsPicker.getValue();

    int width = mLay.getWidth();

    int height= mLay.getHeight();

    int w = mNumCols>0 ? (int)( 0.9f*width / mNumCols) : 0;

    int h = mNumRows>0 ? (int)( 0.9f*height/ mNumRows) : 0;

    int size= w<h ? w:h;

    int pad = size<20 ? 1 : size/20;

    mLay.removeAllViews();

    mShape = new boolean[mNumRows*mNumCols];

    TableRow.LayoutParams p = new TableRow.LayoutParams();

    p.rightMargin  = pad;

    p.leftMargin   = pad;

    p.topMargin    = pad;

    p.bottomMargin = pad;

    p.height       = size;

    p.width        = size;

    for (int rows=0; rows<mNumRows; rows++)

      TableRow tr = new TableRow(this);

      tr.setGravity(Gravity.CENTER);

      for(int cols=0; cols<mNumCols; cols++)

        {

        Button b = new Button(this);

        b.setOnClickListener(this);

        b.setId(rows*mNumCols+cols);

        b.setLayoutParams(p);

        b.setBackgroundColor(mObjectType==0 ? COLOR_ON:COLOR_INAC);

        tr.addView(b, p);

        mShape[rows*mNumCols+cols] = true;

        }

      mLay.addView(tr);

    }

  public void onClick(View view)

    {

    if( mObjectType==0 )  // cubes

      Button tmp = (Button)view;

      int id = tmp.getId();

      mShape[id] = !mShape[id];

      tmp.setBackgroundColor(mShape[id] ? COLOR_ON:COLOR_OFF);

    }

  private void uncheckAll()

    {

    TableRow tr;

    Button butt;

    for (int row=0; row<mNumRows; row++)

      tr = (TableRow)mLay.getChildAt(row);

      for(int col=0; col<mNumCols; col++)

        {

        butt = (Button)tr.getVirtualChildAt(col);

        butt.setBackgroundColor(mObjectType==0 ? COLOR_ON : COLOR_INAC);

        mShape[row*mNumCols+col] = true;

        }

    }

  public void Create(View v)

    {

    Intent mainInt = new Intent( getApplicationContext(), EarthActivity2.class);

    Bundle b = new Bundle();

    int rows=0, cols=0;

    switch(mObjectType)

      case 0:

      case 1: rows = mNumRows;

              cols = mNumCols;

              break;

      case 2: rows = mNumRows;   // always make the sphere equal in X and Y

              cols = mNumRows;   //

              break;

      case 3: rows = 1;          // a quad is always 1x1

              cols = 1;

              break;

      }

    b.putInt("type", mObjectType);

    b.putInt("cols", cols);

    b.putInt("rows", rows);

    b.putInt("slices", mNumSlic);

    b.putInt("bitmap", mBitmapID);

    if( mObjectType==0 )   // cubes

      {

      String str = "";

      for(int i=0; i<mNumRows*mNumCols; i++)

        str += mShape[i] ? "1" : "0";

      b.putString("string", str);

      }

    else

      {

      b.putString("string", "");

    mainInt.putExtras(b);

    startActivity(mainInt);

    }

  public void onItemSelected(AdapterView<?> parent, View view, int pos, long id)

    {

    switch(parent.getId())

      case R.id.objectpicker_spinnerType  : if( mObjectType!=pos )

                                              {

                                              mObjectType = pos;

                                              uncheckAll();

                                              switch(mObjectType)

                                                {

                                                case 0: mColsPicker.setEnabled(true);

                                                        mRowsPicker.setEnabled(true);

                                                        mSlicPicker.setEnabled(true);

                                                        break;

                                                case 1: mColsPicker.setEnabled(true);

                                                        mRowsPicker.setEnabled(true);

                                                        mSlicPicker.setEnabled(false);

                                                        break;

                                                case 2: mColsPicker.setEnabled(false);

                                                        mRowsPicker.setEnabled(true);

                                                        mSlicPicker.setEnabled(false);

                                                        break;

                                                case 3: mColsPicker.setEnabled(false);

                                                        mRowsPicker.setEnabled(false);

                                                        mSlicPicker.setEnabled(false);

                                                        break;

                                                }

                                              }

                                            break;

      case R.id.objectpicker_spinnerBitmap: switch(pos)

                                              {

                                              case 0: mBitmapID = -1            ; break;

                                              case 1: mBitmapID = R.raw.face    ; break;

                                              case 2: mBitmapID = R.raw.dog     ; break;

                                              case 3: mBitmapID = R.raw.cat     ; break;

                                              case 4: mBitmapID = R.raw.grid    ; break;

                                              case 5: mBitmapID = R.raw.bean    ; break;

                                              case 6: mBitmapID = R.raw.monalisa; break;

                                              case 7: mBitmapID = R.raw.world   ; break;

                                              }

                                            break;

    }

  public void onNothingSelected(AdapterView<?> parent)

    {

    }

// Overrides

  @Override

  public void onWindowFocusChanged(boolean hasFocus)

    {

    super.onWindowFocusChanged(hasFocus);

    mColsPicker.setValue(mNumCols);

    mRowsPicker.setValue(mNumRows);

    mSlicPicker.setValue(mNumSlic);

    if( !mGridInitialized ) setGrid();

    }

  }

///////////////////////////////////////////////////////////////////////////////////////////////////

// Copyright 2016 Leszek Koltunski                                                               //

//                                                                                               //

// This file is part of Distorted.                                                               //

//                                                                                               //

// Distorted is free software: you can redistribute it and/or modify                             //

// it under the terms of the GNU General Public License as published by                          //

// the Free Software Foundation, either version 2 of the License, or                             //

// (at your option) any later version.                                                           //

//                                                                                               //

// Distorted is distributed in the hope that it will be useful,                                  //

// but WITHOUT ANY WARRANTY; without even the implied warranty of                                //

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                                 //

// GNU General Public License for more details.                                                  //

//                                                                                               //

// You should have received a copy of the GNU General Public License                             //

// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                            //

///////////////////////////////////////////////////////////////////////////////////////////////////

package org.distorted.examples.earth;

import android.app.Activity;

import android.graphics.Bitmap;

import android.graphics.BitmapFactory;

import android.graphics.Canvas;

import android.graphics.Paint;

import android.opengl.GLSurfaceView;

import android.os.Bundle;

import android.widget.SeekBar;

import android.widget.TextView;

import org.distorted.examples.R;

import org.distorted.library.main.Distorted;

import org.distorted.library.main.DistortedTexture;

import org.distorted.library.mesh.MeshBase;

import org.distorted.library.mesh.MeshCubes;

import org.distorted.library.mesh.MeshFlat;

import org.distorted.library.mesh.MeshQuad;

import org.distorted.library.mesh.MeshSphere;

import java.io.IOException;

import java.io.InputStream;

///////////////////////////////////////////////////////////////////////////////////////////////////

public class EarthActivity2 extends Activity implements SeekBar.OnSeekBarChangeListener

{

    private DistortedTexture mTexture;

    private MeshBase mMesh;

    private TextView mTextLevel;

    private int mBitmapID;

    private Bitmap mBitmap;

    private int mNumCols;

    private int mNumRows;

    private int mNumSlic;

///////////////////////////////////////////////////////////////////////////////////////////////////

    @Override

    protected void onPause() 

      {

      GLSurfaceView mView = this.findViewById(R.id.earthSurfaceView);

      if( mView!=null ) mView.onPause();

      Distorted.onPause();

      super.onPause();

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    @Override

    protected void onResume() 

      {

      super.onResume();

      GLSurfaceView mView = this.findViewById(R.id.earthSurfaceView);

      if( mView!=null ) mView.onResume();  

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    @Override

    protected void onDestroy() 

      {

      Distorted.onDestroy();  

      super.onDestroy();

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    @Override

    protected void onCreate(Bundle savedState)

      {

      super.onCreate(savedState);

      Bundle b = getIntent().getExtras();

      String str     = b.getString("string");

      int objectType = b.getInt("type");

      mNumCols       = b.getInt("cols");

      mNumRows       = b.getInt("rows");

      mNumSlic       = b.getInt("slices");

      mBitmapID      = b.getInt("bitmap");

      switch(objectType)

        {

        case 0: mMesh = new MeshCubes(mNumCols, str, mNumSlic);

                break;

        case 1: mMesh = new MeshFlat(mNumCols,mNumRows);

                break;

        case 2: mMesh = new MeshSphere(mNumRows);

                break;

        case 3: mMesh = new MeshQuad();

                break;

        }

      mTexture= new DistortedTexture(mNumCols,mNumRows);

      setContentView(R.layout.earthlayout);

      mTextLevel = findViewById(R.id.earthInflateText);

      SeekBar levelBar = findViewById(R.id.earthInflateLevel);

      levelBar.setOnSeekBarChangeListener(this);

      levelBar.setProgress(50);

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    public Bitmap getBitmap()

      {

      if( mBitmap==null )

        {

        if( mBitmapID!=-1)

          {

          InputStream is = getResources().openRawResource(mBitmapID);

          try

            {

            mBitmap = BitmapFactory.decodeStream(is);

            }

          finally

            {

            try

              {

              is.close();

              }

            catch(IOException e) { }

            }

          }

        else

          {

          final int W = 64*mNumCols;

          final int H = 64*mNumRows;

          Paint paint = new Paint();

          mBitmap = Bitmap.createBitmap(W,H, Bitmap.Config.ARGB_8888);

          Canvas canvas = new Canvas(mBitmap);

          paint.setAntiAlias(true);

          paint.setTextAlign(Paint.Align.CENTER);

          paint.setColor(0xff008800);

          paint.setStyle(Paint.Style.FILL);

          canvas.drawRect(0, 0, W, H, paint);

          paint.setColor(0xffffffff);

          for(int i=0; i<=mNumCols ; i++ ) canvas.drawRect(W*i/mNumCols-1, 0, W*i/mNumCols + 1, H, paint);

          for(int i=0; i<=mNumRows ; i++ ) canvas.drawRect( 0, H*i/mNumRows-1, W,  H*i/mNumRows+1, paint);

          }

        }

      return mBitmap;

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    public void onProgressChanged(SeekBar bar, int progress, boolean fromUser)

      {

      switch (bar.getId())

        {

        case R.id.earthInflateLevel: EarthSurfaceView view = this.findViewById(R.id.earthSurfaceView);

                                     float level = view.getRenderer().setLevel(progress);

                                     mTextLevel.setText(getString(R.string.inflate_placeholder, level));

                                     break;

        }

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    public void onStartTrackingTouch(SeekBar bar) { }

///////////////////////////////////////////////////////////////////////////////////////////////////

    public void onStopTrackingTouch(SeekBar bar)  { }

///////////////////////////////////////////////////////////////////////////////////////////////////

    public DistortedTexture getTexture()

      {

      return mTexture;

      }

///////////////////////////////////////////////////////////////////////////////////////////////////

    public MeshBase getMesh()

      {

      return mMesh;

      }

}

      EarthActivity2 act = (EarthActivity2)v.getContext();

      mScreen.glClearColor(1.0f,1.0f,1.0f,0.0f);

    float setLevel(int level)

      return inflateLevel;

      EarthActivity2 act = (EarthActivity2)mView.getContext();

      mTexture.setTexture( act.getBitmap() );

        <TextView

            android:id="@+id/earthInflateText"

            android:layout_width="0dp"

            android:layout_height="wrap_content"

            android:layout_weight="0.3"

            android:paddingLeft="10dp"

            android:text="@string/inflate" />

            android:layout_weight="0.7"

            android:layout_width="0dp"