How to use

isatty

method

in

libcore.io.Os

public boolean isatty(FileDescriptor fd) { return os.isatty(fd); }
public void kill(int pid, int signal) throws ErrnoException { os.kill(pid, signal); }

private static Console makeConsole() {
  // We don't care about stderr, because this class only uses stdin and stdout.
  if (!Libcore.os.isatty(FileDescriptor.in) || !Libcore.os.isatty(FileDescriptor.out)) {
    return null;
  }
  try {
    return new Console(System.in, System.out);
  } catch (IOException ex) {
    throw new AssertionError(ex);
  }
}

/**
 * Ensures that data which is buffered within the underlying implementation
 * is written out to the appropriate device before returning.
 */
public void sync() throws SyncFailedException {
  try {
    if (Libcore.os.isatty(this)) {
      Libcore.os.tcdrain(this);
    } else {
      Libcore.os.fsync(this);
    }
  } catch (ErrnoException errnoException) {
    SyncFailedException sfe = new SyncFailedException(errnoException.getMessage());
    sfe.initCause(errnoException);
    throw sfe;
  }
}

public boolean isatty(FileDescriptor fd) { return os.isatty(fd); }
public void kill(int pid, int signal) throws ErrnoException { os.kill(pid, signal); }

public boolean isatty(FileDescriptor fd) { return os.isatty(fd); }
public void kill(int pid, int signal) throws ErrnoException { os.kill(pid, signal); }

public boolean isatty(FileDescriptor fd) { return os.isatty(fd); }
public void kill(int pid, int signal) throws ErrnoException { os.kill(pid, signal); }

public boolean isatty(FileDescriptor fd) { return os.isatty(fd); }
public void kill(int pid, int signal) throws ErrnoException { os.kill(pid, signal); }

public boolean isatty(FileDescriptor fd) { return os.isatty(fd); }
public void kill(int pid, int signal) throws ErrnoException { os.kill(pid, signal); }

public boolean isatty(FileDescriptor fd) { return os.isatty(fd); }
public void kill(int pid, int signal) throws ErrnoException { os.kill(pid, signal); }

private static Console makeConsole() {
  // We don't care about stderr, because this class only uses stdin and stdout.
  if (!Libcore.os.isatty(FileDescriptor.in) || !Libcore.os.isatty(FileDescriptor.out)) {
    return null;
  }
  try {
    return new Console(System.in, System.out);
  } catch (IOException ex) {
    throw new AssertionError(ex);
  }
}

private static Console makeConsole() {
  // We don't care about stderr, because this class only uses stdin and stdout.
  if (!Libcore.os.isatty(FileDescriptor.in) || !Libcore.os.isatty(FileDescriptor.out)) {
    return null;
  }
  try {
    return new Console(System.in, System.out);
  } catch (IOException ex) {
    throw new AssertionError(ex);
  }
}

private static Console makeConsole() {
  // We don't care about stderr, because this class only uses stdin and stdout.
  if (!Libcore.os.isatty(FileDescriptor.in) || !Libcore.os.isatty(FileDescriptor.out)) {
    return null;
  }
  try {
    return new Console(System.in, System.out);
  } catch (IOException ex) {
    throw new AssertionError(ex);
  }
}

private static Console makeConsole() {
  // We don't care about stderr, because this class only uses stdin and stdout.
  if (!Libcore.os.isatty(FileDescriptor.in) || !Libcore.os.isatty(FileDescriptor.out)) {
    return null;
  }
  try {
    return new Console(System.in, System.out);
  } catch (IOException ex) {
    throw new AssertionError(ex);
  }
}

private static Console makeConsole() {
  // We don't care about stderr, because this class only uses stdin and stdout.
  if (!Libcore.os.isatty(FileDescriptor.in) || !Libcore.os.isatty(FileDescriptor.out)) {
    return null;
  }
  try {
    return new Console(System.in, System.out);
  } catch (IOException ex) {
    throw new AssertionError(ex);
  }
}

private static Console makeConsole() {
  // We don't care about stderr, because this class only uses stdin and stdout.
  if (!Libcore.os.isatty(FileDescriptor.in) || !Libcore.os.isatty(FileDescriptor.out)) {
    return null;
  }
  try {
    return new Console(System.in, System.out);
  } catch (IOException ex) {
    throw new AssertionError(ex);
  }
}

/**
 * Ensures that data which is buffered within the underlying implementation
 * is written out to the appropriate device before returning.
 */
public void sync() throws SyncFailedException {
  try {
    if (Libcore.os.isatty(this)) {
      Libcore.os.tcdrain(this);
    } else {
      Libcore.os.fsync(this);
    }
  } catch (ErrnoException errnoException) {
    SyncFailedException sfe = new SyncFailedException(errnoException.getMessage());
    sfe.initCause(errnoException);
    throw sfe;
  }
}

/**
 * Ensures that data which is buffered within the underlying implementation
 * is written out to the appropriate device before returning.
 */
public void sync() throws SyncFailedException {
  try {
    if (Libcore.os.isatty(this)) {
      Libcore.os.tcdrain(this);
    } else {
      Libcore.os.fsync(this);
    }
  } catch (ErrnoException errnoException) {
    SyncFailedException sfe = new SyncFailedException(errnoException.getMessage());
    sfe.initCause(errnoException);
    throw sfe;
  }
}

/**
 * Ensures that data which is buffered within the underlying implementation
 * is written out to the appropriate device before returning.
 */
public void sync() throws SyncFailedException {
  try {
    if (Libcore.os.isatty(this)) {
      Libcore.os.tcdrain(this);
    } else {
      Libcore.os.fsync(this);
    }
  } catch (ErrnoException errnoException) {
    SyncFailedException sfe = new SyncFailedException(errnoException.getMessage());
    sfe.initCause(errnoException);
    throw sfe;
  }
}

/**
 * Ensures that data which is buffered within the underlying implementation
 * is written out to the appropriate device before returning.
 */
public void sync() throws SyncFailedException {
  try {
    if (Libcore.os.isatty(this)) {
      Libcore.os.tcdrain(this);
    } else {
      Libcore.os.fsync(this);
    }
  } catch (ErrnoException errnoException) {
    SyncFailedException sfe = new SyncFailedException(errnoException.getMessage());
    sfe.initCause(errnoException);
    throw sfe;
  }
}

/**
 * Ensures that data which is buffered within the underlying implementation
 * is written out to the appropriate device before returning.
 */
public void sync() throws SyncFailedException {
  try {
    if (Libcore.os.isatty(this)) {
      Libcore.os.tcdrain(this);
    } else {
      Libcore.os.fsync(this);
    }
  } catch (ErrnoException errnoException) {
    SyncFailedException sfe = new SyncFailedException(errnoException.getMessage());
    sfe.initCause(errnoException);
    throw sfe;
  }
}