2swan

열 이름 데이터 형식 diaryDate char(10) content varchar(500) main.xml main.activity public class MainActivity3 extends AppCompatActivity { SQLiteDatabase sqLiteDatabase; String diaryDate; MyDBHelper myDBHelper; Button btnWrite; EditText edtDiary; DatePicker datePicker; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main3..

main.xml item_recyclerview.xml main.activity public class MainActivity extends AppCompatActivity { private RecyclerView mRecyclerView; private MyRecyclerAdapter mRecyclerAdapter; private ArrayList mfriendItems; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mRecyclerView = (RecyclerView) findViewById(R.id..

main.xml song.xml artist.xml album.xml main.activity public class MainActivity3 extends AppCompatActivity implements View.OnClickListener{ Button btnSong, btnArtist, btnAlbum; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main3); btnSong = findViewById(R.id.btnSong); btnArtist = findViewById(R.id.btnArtist); bt..

main.xml . main.activity public class MainActivity extends AppCompatActivity { SQLiteDatabase sqLiteDatabase; TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); EditText edDB = findViewById(R.id.edDB); EditText edTable = findViewById(R.id.edTable); textView = findViewById(R.id.textView); Bu..

main.xml main.activity public class MainActivity2 extends AppCompatActivity { SQLiteDatabase sqLiteDatabase; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main2); Button btnInit = findViewById(R.id.btnInit); Button btnInsert = findViewById(R.id.btnInsert); Button btnSelect = findViewById(R.id.btnSelect); Button..

main.xml main.java public class MainActivity3 extends AppCompatActivity { ListView list; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main3); list = findViewById(R.id.list); Listdata = new ArrayList(); ArrayAdapteradapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1,data); list.setAdapter(adapt..

main.xml sub.xml main.java import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; import androidx.appcompat.app.AppCompatActivity; public class MainActivity extends AppCompatActivity { private TextView tv_comeback; private Button btn_go; private static final int REQUEST_CODE = 7..

main.xml main.java public class MainActivity3 extends AppCompatActivity { Button btn_start, btn_stop; Thread thread; boolean isThread = false; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main3); btn_start = findViewById(R.id.btn_start); btn_stop = findViewById(R.id.btn_stop); //스레드 시작 btn_start.setOnClickList..

main.xml sub1 ~ sub4.xml (layout폴더에 별도로 생성) main.activity public class MainActivity4 extends AppCompatActivity { Button btn1, btn2, btn3, btn4; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main4); btn1 = findViewById(R.id.btn_1); btn2 = findViewById(R.id.btn_2); btn3 = findViewById(R.id.btn_3); btn4= findViewB..

main.xml main.activity public class MainActivity4 extends AppCompatActivity { EditText et_save; String shared = "file"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main4); et_save = (EditText) findViewById(R.id.et_save); SharedPreferences sharedPreferences = getSharedPreferences(shared, 0); String value = sha..

main.xml main.activity public class MainActivity4 extends AppCompatActivity { private RadioGroup rg_gender; private RadioButton rb_man, rb_woman; private Button btn_result; private String str_result; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main4); rg_gender = findViewById(R.id.rg_gender); // 라디오 버튼들을 담고있는..

main.xml main.activity public class MainActivity4 extends AppCompatActivity { private CheckBox chk_red, chk_blue, chk_green; private TextView tv_result; private Button btn_result; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main4); chk_red = findViewById(R.id.chk_red); chk_blue = findViewById(R.id.chk_blue); ..