package mobi.sherif.widgywidgetstest;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.view.ViewTreeObserver.OnPreDrawListener;
public class KnobViewActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_knobview);
findViewById(R.id.knob1).getViewTreeObserver().addOnPreDrawListener(new OnPreDrawListener() {
@Override
public boolean onPreDraw() {
View v = findViewById(R.id.knob1);
v.getViewTreeObserver().removeOnPreDrawListener(this);
int width = v.getWidth();
int height = v.getHeight();
v.getLayoutParams().width = Math.min(width, height);
v.getLayoutParams().height = Math.min(width, height);
v.requestLayout();
return false;
}
});
}
}
