<java/android studio>
public class MainActivity extends AppCompatActivity { private static final String NECK = "NECK"; private static final String SLEEVE = "SLEEVE"; private static final String WAIST = "WAIST"; private static final String INSEAM = "INSEAM"; private EditText editNeck; private EditText editSleeve; private EditText editWaist; private EditText editInseam; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this); String neck = pref.getString(NECK, ""); String sleeve = pref.getString(SLEEVE, ""); String waist = pref.getString(WAIST, ""); String inseam = pref.getString(INSEAM, ""); editNeck = (EditText) findViewById(R.id.neck); editSleeve = (EditText) findViewById(R.id.sleeve); editWaist = (EditText) findViewById(R.id.waist); editInseam = (EditText) findViewById(R.id.inseam); editNeck.setText(neck); editSleeve.setText(sleeve); editWaist.setText(waist); editInseam.setText(inseam); findViewById(R.id.height_button) .setOnClickListener(new View.OnClickListener(){ @Override public void onClick(View v){ Intent intent= new Intent(MainActivity.this,HeightActivity.class); startActivity(intent); } }); } public void onSaveTapped(View view) { SharedPreferences pref = PreferenceManager.getDefaultSharedPreferences(this); SharedPreferences.Editor editor = pref.edit(); editor.putString(NECK, editNeck.getText().toString()); editor.putString(SLEEVE, editSleeve.getText().toString()); editor.putString(WAIST, editWaist.getText().toString()); editor.putString(INSEAM, editInseam.getText().toString()); editor.commit(); } }
の意味が理解できません。参考書を読みながらやっているのですが。