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public static List<String> getIpAddressString() {
        List<String> result = new ArrayList<>();
        try {
            for (Enumeration<NetworkInterface> enNetI = NetworkInterface
                    .getNetworkInterfaces(); enNetI.hasMoreElements(); ) {
                NetworkInterface netI = enNetI.nextElement();
                if (netI.getDisplayName().matches("wlan(.*)") || netI.getDisplayName().matches("eth(.*)")) {
                    for (Enumeration<InetAddress> enumIpAddr = netI
                            .getInetAddresses(); enumIpAddr.hasMoreElements(); ) {
                        InetAddress inetAddress = enumIpAddr.nextElement();

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    /**
     * Is the Android service running?
     * @param context The current context.
     * @param serviceClass The service to get running state.
     * @return true: if service is running.
     */
    static boolean isServiceRunning(Context context, Class<?> serviceClass) {
        ActivityManager manager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        if (manager == null) return false;
        for (ActivityManager.RunningServiceInfo serviceInfo : manager.getRunningServices(Integer.MAX_VALUE)) {

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import android.support.annotation.NonNull;

/**
 * Measuring code runtime.
 * For example:
 *  long timeSpent = TimeMeasure.doTimeMeasureUs(() -> {
 *                 if (!nativeSendFrame(receiverName, videoBufferByte)) {
 *                     if (++mErrorCount >= ERROR_MAX_COUNT) {
 *                         throw new Exception("Send frame error.");
 *                     }

shawnfeng0

注意：本文内容适用于 Tmux 2.3 及以上的版本，但是绝大部分的特性低版本也都适用，鼠标支持、VI 模式、插件管理在低版本可能会与本文不兼容。

Tmux 快捷键 & 速查表

启动新会话：

tmux [new -s 会话名 -n 窗口名]

恢复会话：

shawnfeng0

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname