스피너(spinner) 선택 따른 엑티비티(activity) 전환

스피너선택에 따른 엑티비티 전환

 

public class PaymentActivity extends AppCompatActivity {

    Button button;
    ArrayList arrayList;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_payment);

        arrayList = new ArrayList();
        arrayList.add("1반");
        arrayList.add("2반");


        final String[] select_item = {""};

        Spinner spinner = (Spinner) findViewById(R.id.spinner);
        ArrayAdapter<String> adapter = new ArrayAdapter<String>
                (this, android.R.layout.simple_spinner_dropdown_item, arrayList);
        spinner.setAdapter(adapter);

        Button button = (Button) findViewById(R.id.button);

        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> arg0, View arg1, int arg2, long arg3) {
                select_item[0] = String.valueOf(arrayList.get(arg2));
            }

            @Override
            public void onNothingSelected(AdapterView<?> arg0) {

            }
        });

        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (select_item[0].equals("1반")) {
                    Intent intent = new Intent(PaymentActivity.this, Activity1.class);
                    startActivity(intent);
                    finish();

                } else if (select_item[0].equals("2반")) {
                    Intent intent = new Intent(PaymentActivity.this, Activity2.class);
                    startActivity(intent);
                    finish();
                }
            }
        });


    }


}