Что-то странное ты хочешь...
MyTableView
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package ru.wadman.testapp;
import android.view.View;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Color;
import android.graphics.Rect;
import android.view.MotionEvent;
public class MyTableView extends View implements View.OnTouchListener {
final int amount = 3;
private int isClicked = -1;
public MyTableView(Context context) {
super(context);
setOnTouchListener(this);
}
public boolean onTouch (View v, MotionEvent event) {
final int buttonHeight = (int)getHeight() / amount;
final int buttonWidth = (int)getWidth() / amount;
if (event.getAction() == MotionEvent.ACTION_DOWN) {
// нажали
isClicked = (int)((event.getX() / buttonWidth) + (event.getY() / buttonHeight)*amount)-1;
invalidate();
return true;
} else if (event.getAction() == MotionEvent.ACTION_UP) {
// отпустили
isClicked = -1;
invalidate();
return true;
}
return false;
}
@Override
protected void onDraw(Canvas canvas){
final int buttonHeight = (int)getHeight() / amount;
final int buttonWidth = (int)getWidth() / amount;
Paint paint = new Paint();
paint.setStyle(Paint.Style.FILL);
paint.setColor(Color.WHITE);
canvas.drawPaint(paint);
for (int i = 0; i < amount*amount; i++) {
Rect rect = new Rect();
rect.left = (i % amount)*buttonWidth;
rect.top = (int)(i / amount)*buttonHeight;
rect.right = rect.left+buttonWidth;
rect.bottom = rect.top+buttonHeight;
final String text = Integer.toString(i+1);
if (i == isClicked) {
paint.setColor(Color.CYAN);
} else {
paint.setColor(Color.LTGRAY);
}
canvas.drawRect(rect, paint);
paint.setColor(Color.BLACK);
paint.setTextSize(25);
canvas.drawText(text, rect.left + (int)((rect.width() - paint.measureText(text)) / 2), rect.top + (int)((rect.height() - paint.getTextSize()) / 2), paint);
}
}
}
MainActivity
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package ru.wadman.testapp;
import android.os.Bundle;
import android.view.Menu;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import android.app.AlertDialog;
import android.app.Activity;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.DialogInterface.OnClickListener;
import android.net.Uri;
import android.util.Log;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
MyTableView m = new MyTableView(this);
setContentView(m);
}
}
На картине нажато на "1", если отпустить, то "засереет", как и все.
