code for TouchPad works, but not for DPAD ...please help me to fix this..
- by Chandan
package org.coe.twoD;
import android.app.Activity;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint; //import android.graphics.Path;
import android.graphics.Rect; //import android.graphics.RectF;
import android.os.Bundle; //import android.util.Log;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnClickListener;
public class TwoD extends Activity implements OnClickListener {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
View draw2d = findViewById(R.id.draw_button);
draw2d.setOnClickListener(this);
}
public void onClick(View v) {
if (R.id.draw_button == v.getId()) {
setContentView(new draw2D(this));
}
}
public class draw2D extends View {
private static final String TAG = "Sudoku";
private float width; // width of one tile
private float height; // height of one tile
private int selX; // X index of selection
private int selY; // Y index of selection
private final Rect selRect = new Rect();
public draw2D(Context context) {
super(context);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
width = w / 9f;
height = h / 9f;
getRect(selX, selY, selRect);
Log.d(TAG, "onSizeChanged: width " + width + ", height " + height);
super.onSizeChanged(w, h, oldw, oldh);
}
@Override
protected void onDraw(Canvas canvas) {
// Draw the background...
Paint background = new Paint();
background.setColor(getResources().getColor(R.color.background));
canvas.drawRect(0, 0, getWidth(), getHeight(), background);
// Draw the board...
// Define colors for the grid lines
Paint dark = new Paint();
dark.setColor(getResources().getColor(R.color.dark));
Paint hilite = new Paint();
hilite.setColor(getResources().getColor(R.color.hilite));
Paint light = new Paint();
light.setColor(getResources().getColor(R.color.light));
// Draw the minor grid lines
for (int i = 0; i < 9; i++) {
canvas.drawLine(0, i * height, getWidth(), i * height, light);
canvas.drawLine(0, i * height + 1, getWidth(), i * height + 1,
hilite);
canvas.drawLine(i * width, 0, i * width, getHeight(), light);
canvas.drawLine(i * width + 1, 0, i * width + 1, getHeight(),
hilite);
}
// Draw the major grid lines
for (int i = 0; i < 9; i++) {
if (i % 3 != 0)
continue;
canvas.drawLine(0, i * height, getWidth(), i * height, dark);
canvas.drawLine(0, i * height + 1, getWidth(), i * height + 1,
hilite);
canvas.drawLine(i * width, 0, i * width, getHeight(), dark);
canvas.drawLine(i * width + 1, 0, i * width + 1, getHeight(),
hilite);
}
/*
* dark.setColor(Color.MAGENTA); Path circle= new Path();
* circle.addCircle(150, 150, 100, Path.Direction.CW);
* canvas.drawPath(circle, dark);
*
*
* Path rect=new Path();
*
* RectF rectf= new RectF(150,200,250,300); rect.addRect(rectf,
* Path.Direction.CW); canvas.drawPath(rect, dark);
*
*
* canvas.drawRect(0, 0,250, 250, dark);
*
*
* canvas.drawText("Hello", 200,200, dark);
*/
Paint selected = new Paint();
selected.setColor(Color.GREEN);
canvas.drawRect(selRect, selected);
}
/*
* public boolean onTouchEvent(MotionEvent event){
* if(event.getAction()!=MotionEvent.ACTION_DOWN) return
* super.onTouchEvent(event);
* select((int)(event.getX()/width),(int)(event.getY()/height));
*
*
* return true; }
*/
private void select(int x, int y) {
invalidate(selRect);
selX = Math.min(Math.max(x, 0), 8);
selY = Math.min(Math.max(y, 0), 8);
getRect(selX, selY, selRect);
invalidate(selRect);
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
return super.onKeyUp(keyCode, event);
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (event.getAction() != MotionEvent.ACTION_DOWN)
return super.onTouchEvent(event);
select((int) (event.getX() / width),
(int) (event.getY() / height));
// game.showKeypadOrError(selX, selY);
Log.d(TAG, "onTouchEvent: x " + selX + ", y " + selY);
return true;
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
Log.d(TAG, "onKeyDown: keycode=" + keyCode + ", event="
+ event);
switch (keyCode) {
case KeyEvent.KEYCODE_DPAD_UP:
select(selX, selY - 1);
break;
case KeyEvent.KEYCODE_DPAD_DOWN:
select(selX, selY + 1);
break;
case KeyEvent.KEYCODE_DPAD_LEFT:
select(selX - 1, selY);
break;
case KeyEvent.KEYCODE_DPAD_RIGHT:
select(selX + 1, selY);
break;
default:
return super.onKeyDown(keyCode, event);
}
return true;
}
private void getRect(int x, int y, Rect rect) {
rect.set((int) (x * width), (int) (y * height),
(int) (x * width + width), (int) (y * height + height));
}
}
}
