TextView 동적생성, ArrayList(배열리스트), 컬러변경

public class MainActivity extends AppCompatActivity {

    String[] names = {"철수", "영수", "길동", "만수", "영자"};   //배열
    LinearLayout linearLayout01;
    int num = 0;
    EditText etName;
    EditText etName2;
    ArrayList<String> nameList = new ArrayList<String>();      // 배열리스트(스트링)

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
        fab.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG)
                        .setAction("Action", null).show();
            }
        });

        linearLayout01 = (LinearLayout) findViewById(R.id.linearLayout01);
        etName = (EditText) findViewById(R.id.etName);
        etName2 = (EditText) findViewById(R.id.etName2);
    }
    ...

//배열리스트에 추가
public void onBtAdd(View v) {
    nameList.add(++num + "-" + etName2.getText().toString());
}

    //배열리스트 가져오기

public void onBtGet(View v) {
        int i;
        linearLayout01.removeAllViews();  //기존 모든 뷰를 모두 지운다.

        for (i=0; i<nameList.size(); i++) {
            TextView textView01 = new TextView(getApplicationContext());
            textView01.setText(nameList.get(i));  //배열리스트 이용
//            textView01.setText( ++num + "-" + etName.getText().toString());
            textView01.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 20);
            textView01.setTextColor(255);  //컬러변경
            textView01.setTextColor(Color.parseColor("#000000"));
            LinearLayout.LayoutParams params = new LinearLayout.LayoutParams(
                    LinearLayout.LayoutParams.MATCH_PARENT,
                    LinearLayout.LayoutParams.WRAP_CONTENT);

            linearLayout01.addView(textView01, params);  //linearLayout01 위에 생성

        }
    }