Andorid TextView Caption Effect Example _android

One, the effect chart

Second, the Code

Copy Code code as follows:

public class Textsubview extends TextView {

Private Textpaint Mpaint;

Public Textsubview (context context, AttributeSet Attrs) {
Super (context, attrs);

Mpaint = new Textpaint (Getpaint ());
Mpaint.setstyle (TextPaint.Style.STROKE);
Mpaint.setshadowlayer (2.0F, 2.0F, 2.0F, color.red);
}

@Override
protected void OnDraw (Canvas Canvas) {
Super.ondraw (canvas);

Canvas.save ();
Canvas.cliprect (0, 0, Getbottom, ());
Canvas.drawtext (GetText () (), toString (), 0, Getbaseline (), mpaint);
Canvas.restore ();
}
}

Code Description :

The key is Setshadowlayer set shadow effect and OnDraw four lines of code, you can search the "Android cliprect" to understand the role of this function, pay attention to Cliprect and DrawText order do not get back.