Draw a rectangle with float values
package app.test;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.os.Bundle;
import android.widget.ImageView;
public class Test extends Activity {
ImageView drawingImageView;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
drawingImageView = (ImageView) this.findViewById(R.id.DrawingImageView);
Bitmap bitmap = Bitmap.createBitmap((int) getWindowManager()
.getDefaultDisplay().getWidth(), (int) getWindowManager()
.getDefaultDisplay().getHeight(), Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
drawingImageView.setImageBitmap(bitmap);
// RectF Rectangle
Paint paint = new Paint();
float leftx = 20;
float topy = 20;
float rightx = 50;
float bottomy = 100;
RectF rectangle = new RectF(leftx, topy, rightx, bottomy);
canvas.drawRect(rectangle, paint);
}
}
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