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package se.emilsjolander.stickylistheaders.views;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.widget.TextView;
/**
* @author Eric Frohnhoefer
*/
public class UnderlineTextView extends TextView {
private final Paint mPaint = new Paint();
private int mUnderlineHeight = 0;
public UnderlineTextView(Context context) {
this(context, null);
}
public UnderlineTextView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public UnderlineTextView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(context, attrs);
}
private void init(Context context, AttributeSet attrs) {
Resources r = getResources();
mUnderlineHeight = (int)TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 2, r.getDisplayMetrics());
}
@Override
public void setPadding(int left, int top, int right, int bottom) {
super.setPadding(left, top, right, bottom + mUnderlineHeight);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
// Draw the underline the same color as the text
mPaint.setColor(getTextColors().getDefaultColor());
canvas.drawRect(0, getHeight() - mUnderlineHeight, getWidth(), getHeight(), mPaint);
}
}
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