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Display in a toast array list
public static  EditText txt1;
String ag;
public static ArrayList<String> playerList = new ArrayList<String>();
String playerlist[];

/** Called when the activity is first created.
 * @param Public */
public void onCreate(Bundle savedInstanceState, Object Public) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.screen2);

    // edittext1 or textview1
    txt1 = (EditText) findViewById(R.id.editText1);
    ag = txt1.getText().toString();

    //add more items button
    Button more = (Button) findViewById(R.id.button1);
    more.setOnClickListener(new View.OnClickListener() {
        public void onClick(View view) {
            if (txt1.getText().length() != 0) {
                String ag = "Current Added Players:," + txt1.getText().toString() + txt1.getText().toString();
                playerList.add(ag);
                Toast.makeText(getBaseContext(), ag, Toast.LENGTH_SHORT).show();

                Intent myIntent = new Intent(view.getContext(), Screen2.class);
                myIntent.putExtra("Stringarray", playerList);
                //startActivityForResult(myIntent, 0);
            }
        }
    });
}

String[] playerArray = (String[]) playerList.toArray();
String playerToast = playerArray[0];
for(int i=1; i<playerArray.length(); i++){
    playerToast += " ";
    playerToast += playerArray[i];
}
Toast.makeText(getBaseContext(), playerToast, Toast.LENGTH_SHORT).show();

String ag = "Current Added Players:," +txt1.getText().toString() + txt1.getText().toString() ;

"Current Added Players:," +txt1.getText().toString() + txt1.getText().toString()

for(int i, i < playerList.length, i++) {
      Toast.makeText(this, playerList[i], Toast.LENGTH_SHORT)
           .show();
 }

ArrayList<String> a = new ArrayList<String>();
a.add("Hello");
a.add("World"); //similarly any other add statements
Toast.makeText(getBaseContext(), a+"", Toast.LENGTH_SHORT).show();

[Hello,World,...other elements what is stored in the arraylist]

//add more items button
    Button more = (Button) findViewById(R.id.button1);
    more.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view){
            player = txt1.getText().toString();
            if (txt1.getText().toString().length() !=0){
                playerList.add(player);
                txt1.setText("");
            }
            Toast.makeText(getBaseContext(), playerList + " ",  Toast.LENGTH_LONG).show();

        }

    });