// 文字描边
public class StrokeTextView extends TextView {
private TextView outlineTextView = null;
public StrokeTextView(Context context) {
super(context);
outlineTextView = new TextView(context);
init();
}
public StrokeTextView(Context context, AttributeSet attrs) {
super(context, attrs);
outlineTextView = new TextView(context, attrs);
init();
}
public StrokeTextView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
outlineTextView = new TextView(context, attrs, defStyle);
init();
}
public void init() {
TextPaint paint = outlineTextView.getPaint();
paint.setStrokeWidth(3);// 描边宽度
paint.setStyle(Style.STROKE);
outlineTextView.setTextColor(Color.parseColor("#7F00FF"));// 描边颜色
outlineTextView.setGravity(getGravity());
}
@Override
public void setLayoutParams(ViewGroup.LayoutParams params) {
super.setLayoutParams(params);
outlineTextView.setLayoutParams(params);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
// 设置轮廓文字
CharSequence outlineText = outlineTextView.getText();
if (outlineText == null || !outlineText.equals(this.getText())) {
outlineTextView.setText(getText());
postInvalidate();
}
outlineTextView.measure(widthMeasureSpec, heightMeasureSpec);
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
outlineTextView.layout(left, top, right, bottom);
}
@Override
protected void onDraw(Canvas canvas) {
outlineTextView.draw(canvas);
super.onDraw(canvas);
}
}
想在代码中调用这个textview的时候 通过修改参数 动态修改描边宽度和描边颜色这两个值,自己尝试了一下有没有成功,求大神指点一下。。