Merge "Created shell cmd to vibrate."

import android.os.PowerManagerInternal;

import android.os.Process;

import android.os.RemoteException;

import android.os.ResultReceiver;

import android.os.IBinder;

import android.os.Binder;

import android.os.ServiceManager;

import android.os.ShellCallback;

import android.os.ShellCommand;

import android.os.SystemClock;

import android.os.UserHandle;

import android.os.Vibrator;

            }

        }

    }

    @Override

    public void onShellCommand(FileDescriptor in, FileDescriptor out, FileDescriptor err,

            String[] args, ShellCallback callback, ResultReceiver resultReceiver)

            throws RemoteException {

        new VibratorShellCommand(this).exec(this, in, out, err, args, callback, resultReceiver);

    }

    private final class VibratorShellCommand extends ShellCommand {

        private static final long MAX_VIBRATION_MS = 200;

        private final IBinder mToken;

        private VibratorShellCommand(IBinder token) {

            mToken = token;

        }

        @Override

        public int onCommand(String cmd) {

            if ("vibrate".equals(cmd)) {

                return runVibrate();

            }

            return handleDefaultCommands(cmd);

        }

        private int runVibrate() {

            final long duration = Long.parseLong(getNextArgRequired());

            if (duration > MAX_VIBRATION_MS) {

                throw new IllegalArgumentException("maximum duration is " + MAX_VIBRATION_MS);

            }

            String description = getNextArg();

            if (description == null) {

                description = "Shell command";

            }

            vibrate(Binder.getCallingUid(), description, duration, AudioAttributes.USAGE_UNKNOWN,

                    mToken);

            return 0;

        }

        @Override

        public void onHelp() {

            try (PrintWriter pw = getOutPrintWriter();) {

                pw.println("Vibrator commands:");

                pw.println("  help");

                pw.println("    Prints this help text.");

                pw.println("");

                pw.println("  vibrate duration [description]");

                pw.println("    Vibrates for duration milliseconds.");

                pw.println("");

            }

        }

    }

}