Lulixue的专栏

private final BroadcastReceiver myMediaReceiver = new BroadcastReceiver() { @Override public void onReceive(final Context context, final Intent intent) { String action = intent.get...

public static String getCurrentTime() { Date now = new Date(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS"); return sdf.format(now); } public static long getCurrentTim

public static String getMethodName() { StackTraceElement[] stacktrace = Thread.currentThread().getStackTrace(); StackTraceElement e = stacktrace[stacktrace.length-1]; return e.getMethodNam

Java的文件读取使用File类, 进行读取:exists(): 判断文件存在与否;createNewFile(): 创建新的文件;isDirectory(): 是否是文件夹;FileOutputStream: 写文件;FileInputStream: 读文件; import java.io.File;import java.io.FileInputStream;im

public boolean execute(String cmd) { String[] command = new String[] { "sh", "-c", cmd }; Runtime runtime = Runtime.getRuntime(); try { Process process = runtime.exec(command);