package com.example.student3.threadsexample;

import android.icu.util.TimeUnit;
import android.os.AsyncTask;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {
    private TextView mInfoTextView;
    private ProgressBar mProgressBar;
    private Button mStartButton;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        mInfoTextView=(TextView)findViewById(R.id.textView);
        mProgressBar=(ProgressBar)findViewById(R.id.progressBar);
        mStartButton=(Button)findViewById(R.id.button);
    }
    public void onClick(View v){
        AsyncTask mCatTask= new CatTask();
        mCatTask.execute();
    }
    class CatTask extends  AsyncTask<Void,Void,Void>{
        @Override
        protected void onPreExecute(){
            super.onPreExecute();
            mInfoTextView.setText("Cat go to the roof");
            mStartButton.setVisibility(View.INVISIBLE);

        }
        @Override
        protected Void doInBackground(Void... voids) {
            try{
            int counter=0;
            for(int i=0;i<9;i++){
                getFloor(counter);
                publishProgress(++counter);

            }
            TimeUnit.SECOND.sleep(1);} catch(InterruptedException e){
                e.printStackTrace();
            }
            return null;
        }
        @Override
        protected void onPostExecute(Void result){
            super.onPostExecute();
            mInfoTextView.setText("Finish");
            mStartButton.setVisibility(View.VISIBLE);
            mProgressBar.setProgress(0);
        }
    }
}