xfh001的专栏

/** * 倒计时 */ private class TimeCount extends CountDownTimer { public TimeCount(long millisInFuture, long countDownInterval) { super(millisInFuture, countDownInterval

private boolean isNetworkConnected(Context context) { if (context != null) { ConnectivityManager mConnectivityManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SER

要求如下： 1.非负整数输入，如0、100等 2.两位小数的非负浮点数输入 Pattern p = Pattern.compile("^(([1-9]\\d{0,9})|0)(\\.\\d{1,2})?$"); Matcher m = p.matcher(text); if (m.matches()) { // TODO return; }

xml version="1.0" encoding="utf-8"?> selector xmlns:android="http://schemas.android.com/apk/res/android"> item android:state_pressed="false"> shape> solid android:color="#009A

android自定义弹出框样式实现