Android

import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.database.Cursor;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import android.os.Bundle;
import android.util.AttributeSet;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.EditText;
import android.widget.TextView;
import android.app.Activity;
import android.content.ActivityNotFoundException;
import android.content.Intent;
import android.os.Bundle;
import android.speech.RecognizerIntent;
import android.view.Menu;
import android.view.View;
import android.widget.ImageButton;
import android.widget.TextView;
import android.widget.Toast;

public class NoteEdit extends Activity{

<pre>
public static int numTitle = 1;
public static String curDate = "";
public static String curText = "";<br />
private EditText mTitleText;
private EditText mBodyText;
private TextView mDateText;
private Long mRowId;
protected static final int RESULT_SPEECH = 1;
public boolean count=false;

private Cursor note;

private NotesDbAdapter mDbHelper;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    mDbHelper = new NotesDbAdapter(this);
    mDbHelper.open();        

    setContentView(R.layout.note_edit);
    setTitle(R.string.app_name);

    mTitleText = (EditText) findViewById(R.id.title);
    mBodyText = (EditText) findViewById(R.id.body);
    mDateText = (TextView) findViewById(R.id.notelist_date);

    long msTime = System.currentTimeMillis();<br />
    Date curDateTime = new Date(msTime);

    SimpleDateFormat formatter = new SimpleDateFormat("d'/'M'/'y");<br />
    curDate = formatter.format(curDateTime);        

    mDateText.setText(""+curDate);

    mRowId = (savedInstanceState == null) ? null :
        (Long) savedInstanceState.getSerializable(NotesDbAdapter.KEY_ROWID);
    if (mRowId == null) {
        Bundle extras = getIntent().getExtras();
        mRowId = extras != null ? extras.getLong(NotesDbAdapter.KEY_ROWID)
                                : null;
    }

    populateFields();

}

  public static class LineEditText extends EditText{
        // we need this constructor for LayoutInflater
        public LineEditText(Context context, AttributeSet attrs) {
            super(context, attrs);
                mRect = new Rect();
                mPaint = new Paint();
                mPaint.setStyle(Paint.Style.FILL_AND_STROKE);
                mPaint.setColor(Color.BLUE);
        }

        private Rect mRect;
        private Paint mPaint;       

        @Override
        protected void onDraw(Canvas canvas) {

            int height = getHeight();
            int line_height = getLineHeight();

            int count = height / line_height;

            if (getLineCount() > count)
                count = getLineCount();

            Rect r = mRect;
            Paint paint = mPaint;
            int baseline = getLineBounds(0, r);

            for (int i = 0; i < count; i++) {

                canvas.drawLine(r.left, baseline + 1, r.right, baseline + 1, paint);
                baseline += getLineHeight();

            super.onDraw(canvas);
        }

    }
  }

  @Override
    protected void onSaveInstanceState(Bundle outState) {
        super.onSaveInstanceState(outState);
        saveState();
        outState.putSerializable(NotesDbAdapter.KEY_ROWID, mRowId);
    }

    @Override
    protected void onPause() {
        super.onPause();
        saveState();
    }

    @Override
    protected void onResume() {
        super.onResume();
        populateFields();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.noteedit_menu, menu);
        return true;<br />
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case R.id.menu_about:

            /* Here is the introduce about myself */<br />
            AlertDialog.Builder dialog = new AlertDialog.Builder(NoteEdit.this);
            dialog.setTitle("About");
            dialog.setMessage("Hello! I'm Heng, the creator of this application. This application is created for learning." +
                    " Using it on trading or any others activity that is related to business is strictly forbidden."
                       +"If there is any bug is found please freely e-mail me. "+
                        "\n\tedisonthk@gmail.com"
                       );
            dialog.setPositiveButton("OK", new DialogInterface.OnClickListener() {

                   @Override
                   public void onClick(DialogInterface dialog, int which) {
                       dialog.cancel();

                   }
               });
               dialog.show();<br />
               return true;
        case R.id.menu_delete:
            if(note != null){
                note.close();
                note = null;
            }
            if(mRowId != null){
                mDbHelper.deleteNote(mRowId);
            }
            finish();

            return true;
        case R.id.menu_speak:
            if(count==false){

                Intent intent = new Intent(
                        RecognizerIntent.ACTION_RECOGNIZE_SPEECH);

                intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_MODEL, "en-US");

                try {
                    startActivityForResult(intent, RESULT_SPEECH);
                   // txtText.setText("");
                } catch (ActivityNotFoundException a) {
                    Toast t = Toast.makeText(getApplicationContext(),
                            "Opps! Your device doesn't support Speech to Text",
                            Toast.LENGTH_SHORT);
                    t.show();
                }
                count=true;
            }else{count=false;}
            case R.id.menu_save:
                saveState();
                finish();
            default:
                return super.onOptionsItemSelected(item);
            }

        }
@Override

private static final int WIDTH = 20;
    private static final int HEIGHT = 20;
    private static final int COUNT = (WIDTH + 1) * (HEIGHT + 1);

    private final Bitmap mBitmap;
    private final float[] mVerts = new float[COUNT * 2];
    private final float[] mOrig = new float[COUNT * 2];

    private final Matrix mMatrix = new Matrix();
    private final Matrix mInverse = new Matrix();
    private float[] matrixInverse;
    private int mLastWarpX = -9999; // don't match a touch coordinate
    private int mLastWarpY;

    private static void setXY(float[] array, int index, float x, float y) {
        array[(index * 2)] = x;
        array[(index * 2) + 1] = y;
    }

    public Warp(Bitmap imgBitmap, float i, float j, Canvas myCanvas) {
        mBitmap = imgBitmap;
        float w = mBitmap.getWidth();
        float h = mBitmap.getHeight();
        // construct our mesh
        int index = 0;
        for (int y = 0; y <= HEIGHT; y++) {
            float fy = h * y / HEIGHT;
            for (int x = 0; x <= WIDTH; x++) {
                float fx = w * x / WIDTH;
                setXY(mVerts, index, fx, fy);
                setXY(mOrig, index, fx, fy);
                index++;
            }
        }

        // mMatrix.setTranslate(10, 10);
        mMatrix.invert(mInverse);

        float[] pt = {i, j};
        mInverse.mapPoints(pt);
        int x = (int) pt[0];
        int y = (int) pt[1];
        if (mLastWarpX != x || mLastWarpY != y) {
            mLastWarpX = x;
            mLastWarpY = y;
            draw(pt[0], pt[1], myCanvas);

        }

    }

    private void draw(float cx, float cy, Canvas canvas) {

        final float K = 10000;
        float[] src = mOrig;
        float[] dst = mVerts;
        for (int i = 0; i < COUNT * 2; i += 2) {
            float x = src[i + 0];
            float y = src[i + 1];
            float dx = cx - x;
            float dy = cy - y;
            float dd = dx * dx + dy * dy;
            float d = dd/2;//(float) Math.sqrt(dd);
            float pull = K / (dd + 0.000001f);

            pull /= (d + 0.000001f);
            //   android.util.Log.d("skia", "index " + i + " dist=" + d + " pull=" + pull);

            if (pull >= 1) {
                dst[i + 0] = cx;
                dst[i + 1] = cy;
            } else {
                dst[i + 0] = x + dx * pull;
                dst[i + 1] = y + dy * pull;
            }
        }

        canvas.drawColor(0xFFCCCCCC);
        canvas.concat(mMatrix);
        canvas.drawBitmapMesh(mBitmap, WIDTH, HEIGHT, mVerts, 0,
                null, 0, null);


    }