Android自定义View实现比赛时间闪动效果

public class TwinkleTextView extends TextView implements Runnable {

  /**
   * 是否显示
   */
  private boolean flag = true;
  /**
   * 闪动内容
   */
  private String twinkleText = "'";

  /**
   * 闪动时间
   */
  private int delayMillis = 500;


  private boolean run = false;

  public TwinkleTextView(Context context, AttributeSet attrs) {
    super(context, attrs);
  }

  public TwinkleTextView(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
  }

  @TargetApi(Build.VERSION_CODES.LOLLIPOP)
  public TwinkleTextView(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes) {
    super(context, attrs, defStyleAttr, defStyleRes);
  }

  public void beginRun(){
    run = true;
    run();
  }

  @Override
  public void run() {
    if (flag){
      setVisibility(VISIBLE);
      flag = false;
    }else{
      setVisibility(INVISIBLE);
      flag = true;
    }
    postDelayed(this, delayMillis);
  }

  public String getTwinkleText() {
    return twinkleText;
  }

  public void setTwinkleText(String twinkleText) {
    this.twinkleText = twinkleText;
    setText(twinkleText);
  }

  public int getDelayMillis() {
    return delayMillis;
  }

  public void setDelayMillis(int delayMillis) {
    this.delayMillis = delayMillis;
  }

  public boolean isRun() {
    return run;
  }

  public void setRun(boolean run) {
    this.run = run;
  }

}

public class MyAdapter extends BaseQuickAdapter {
  public MyAdapter(int layoutResId, @Nullable List data) {
    super(layoutResId, data);
  }

  @Override
  protected void convert(BaseViewHolder helper, User item) {
    TextView textView = helper.getView(R.id.text);
    textView.setText(helper.getAdapterPosition() + "");

    TwinkleTextView twinkleTextView = helper.getView(R.id.twinkle);
    twinkleTextView.setDelayMillis(500);
    if (!twinkleTextView.isRun()) {
      twinkleTextView.beginRun();
    }
  }
}

if (!twinkleTextView.isRun()) {
  twinkleTextView.beginRun();
}