[챕터 2-6-5] 스피너 뷰

결과화면

 

클릭 시 콤보박스형태로 표시

선택하면

 

 

스피너 : 콤보박스

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프로젝트명 : MySpinner

 

 

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MainActivity.java

 

package org.minokuma.myspinner;

import androidx.appcompat.app.AppCompatActivity;

import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Spinner;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

    TextView textView;
    String[] items = {
            "MINOKUMA", "KITAMURA", "SENA", "LILI", "HARUHI"
    };
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        textView = findViewById(R.id.textView);

        Spinner spinner = findViewById(R.id.spinner);
        ArrayAdapter<String> arrayAdapter = new ArrayAdapter<String>(
                this,
                android.R.layout.simple_spinner_item,
                items
        );

        arrayAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
        spinner.setAdapter(arrayAdapter);

        spinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
                textView.setText(items[position]);
            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {
                textView.setText("");
            }
        });

    }
}