Andorid TextView字幕效果实例

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, 55, getBottom());
canvas.drawText(getText().toString(), 0, getBaseline(), mPaint);
canvas.restore();
}
}