Tenkei

class Aircraft(
    private val liftMechanism: Flyable,
    private val propulsion: Movable
): Flyable, Movable {

    override fun fly() {
        liftMechanism.fly()
    }

    override fun move() {

Tenkei

package com.esbati.keivan.livelocation;

import android.Manifest;
import android.arch.lifecycle.LiveData;
import android.content.Context;
import android.location.Location;
import android.os.Bundle;
import android.os.Handler;
import android.os.SystemClock;
import android.support.annotation.NonNull;

Tenkei

import android.content.Context;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import java.util.ArrayDeque;
import java.util.Queue;

public class MainActivity extends AppCompatActivity {