public class MainActivity extends Activity implements OnClickListener{
WordDBHelper mHelper;
EditText mText;
SQLiteDatabase db;
Cursor cursor;
MyListAdapter myAdapter;
ArrayList<MemoInfo> items;
ListView listView;
Activity activity;
Context mContext;
String memo;
long timeNumber;
int listNumber=0;
int count=1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button addBtn = (Button) findViewById(R.id.addBtn);
listView = (ListView) findViewById(R.id.listView1);
items = new ArrayList<MemoInfo>();
mHelper = new WordDBHelper(this, "Memo.DB", null, 1 );
db = mHelper.getReadableDatabase();
method1();
myAdapter = new MyListAdapter(this, R.layout.list, items);
listView.setDrawSelectorOnTop(true);
listView.setSelector(new PaintDrawable(0x5000ff00));
listView.setAdapter(myAdapter);
listView.invalidate();
Log.e("sdfasdfasdf", "asdfasdfasdfasdfsdfasdfasdfasdfasd");
addBtn.setOnClickListener(this);
}
public void method1(){
String sql = "SELECT * FROM memolist ORDER BY time ";
cursor = db.rawQuery(sql, null);
while (cursor.moveToNext()) {
int dbNumber = cursor.getInt(1);
String dbMemo = cursor.getString(2);
MemoInfo alarmInfo = new MemoInfo(dbNumber, dbMemo);
Log.e("alarmInfo", alarmInfo+ "");
items.add(alarmInfo);
}
cursor.close();
}
public void onClick(View v){
switch (v.getId()){
case R.id.addBtn :
AlertDialog.Builder alert = new AlertDialog.Builder(MainActivity.this);
alert.setTitle("메세지를 입력하세요");
alert.setMessage(" ");
alert.setCancelable(false);
final EditText input = new EditText(MainActivity.this);
alert.setView(input);
alert.setPositiveButton("저장", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
String edit_memo = String.valueOf(input.getText());
long timeNumber = System.currentTimeMillis();
int count = 0;
mHelper = new WordDBHelper(MainActivity.this, "Memo.DB", null, 1);
db = mHelper.getWritableDatabase();
db.execSQL("insert into memolist values(" + timeNumber + ", "+ count + ", '" +edit_memo+"');");
items.clear();
method1();
myAdapter = new MyListAdapter(MainActivity.this, R.layout.list, items);
myAdapter.notifyDataSetChanged();
cursor.close();
mHelper.close();
}
});
alert.show();
}
}
class MyListAdapter extends BaseAdapter implements OnClickListener{
Context context;
int mylistLayout;
ArrayList<MemoInfo> items;
LayoutInflater inflater;
public MyListAdapter(Context context, int mylistLayout,
ArrayList<MemoInfo> items) {
this.context = context;
this.mylistLayout = mylistLayout;
this.items = items;
inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
public Cursor getCursor() {
return null;
}
@Override
public int getCount() {
return items.size();
}
@Override
public void notifyDataSetChanged() {
super.notifyDataSetChanged();
}
@Override
public Object getItem(int position) {
return items.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
convertView = inflater.inflate(mylistLayout, parent, false);
}
MemoInfo memoInfo = items.get(position);
TextView numberView = (TextView) convertView.findViewById(R.id.numberView);
numberView.setText(String.valueOf(count));
TextView memoView= (TextView) convertView.findViewById(R.id.memoView);
memoView.setText(memoInfo.dbMemo);
Button delButton = (Button) convertView.findViewById(R.id.delBtn);
Button editButton = (Button) convertView.findViewById(R.id.editBtn);
delButton.setOnClickListener(this);
editButton.setOnClickListener(this);
return convertView;
}
@Override
public void onClick(View v) {
switch(v.getId()){
case R.id.delBtn :
new AlertDialog.Builder(MainActivity.this).setTitle("삭제하시겠습니까?")
.setPositiveButton("삭제", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
SQLiteDatabase db = mHelper.getWritableDatabase();
MemoInfo info = new MemoInfo(timeNumber, memo);
long id = info.dbId;
String sql = "DELETE FROM memolist WHERE time =" + id;
db.execSQL(sql);
Log.e("sqlsqlsql", ""+id);
Intent dbintent = new Intent(MainActivity.this, MainActivity.class);
dbintent.setFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP);
startActivity(dbintent);
db.close();
}
}).setNegativeButton("취소", null).show();
case R.id.editBtn :
}
}
}
class MemoInfo {
long dbId;
String dbMemo;
MemoInfo(long dbId, String dbText) {
this.dbId = dbId;
this.dbMemo = dbText;
}
}
}
class WordDBHelper extends SQLiteOpenHelper {
public WordDBHelper(Context context, String name, CursorFactory factory,
int version) {
super(context, name, factory, version);
}
@Override
public void onCreate(SQLiteDatabase db) {
String sql = "create table memolist("
+"time integer PRIMARY KEY, "
+"number integer, "
+"memo varchar);";
Log.e("eeeeeeeeeeeee", "aaaaaaaaaaaaaaaaaaaaaaaaaaaaa");
db.execSQL(sql);
}
@Override
public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
String sql = "drop table if exists memolist";
db.execSQL(sql);
onCreate(db);
}
}
