diff --git a/app/src/main/java/com/simplemobiletools/notes/activities/MainActivity.java b/app/src/main/java/com/simplemobiletools/notes/activities/MainActivity.java index 20846e2a..3c531534 100644 --- a/app/src/main/java/com/simplemobiletools/notes/activities/MainActivity.java +++ b/app/src/main/java/com/simplemobiletools/notes/activities/MainActivity.java @@ -27,6 +27,7 @@ public class MainActivity extends SimpleActivity { private DBHelper mDb; private Note mCurrentNote; + private int mNotesCnt; @Override protected void onCreate(Bundle savedInstanceState) { @@ -44,6 +45,9 @@ public class MainActivity extends SimpleActivity { super.onResume(); invalidateOptionsMenu(); mNotesView.setTextSize(TypedValue.COMPLEX_UNIT_PX, Utils.getTextSize(getApplicationContext())); + + mNotesCnt = mDb.getNotes().size(); + invalidateOptionsMenu(); } @Override @@ -61,6 +65,12 @@ public class MainActivity extends SimpleActivity { @Override public boolean onCreateOptionsMenu(Menu menu) { getMenuInflater().inflate(R.menu.menu, menu); + + if (mNotesCnt <= 1) { + final MenuItem item = menu.findItem(R.id.open_note); + item.setVisible(false); + } + return true; } diff --git a/app/src/main/java/com/simplemobiletools/notes/databases/DBHelper.java b/app/src/main/java/com/simplemobiletools/notes/databases/DBHelper.java index 503e3561..d066a077 100644 --- a/app/src/main/java/com/simplemobiletools/notes/databases/DBHelper.java +++ b/app/src/main/java/com/simplemobiletools/notes/databases/DBHelper.java @@ -10,6 +10,9 @@ import android.database.sqlite.SQLiteOpenHelper; import com.simplemobiletools.notes.Constants; import com.simplemobiletools.notes.models.Note; +import java.util.ArrayList; +import java.util.List; + public class DBHelper extends SQLiteOpenHelper { private static final String DB_NAME = "notes.db"; private static final int DB_VERSION = 1; @@ -78,7 +81,7 @@ public class DBHelper extends SQLiteOpenHelper { final String cols[] = {COL_ID}; final String selection = COL_TITLE + " = ?"; final String selectionArgs[] = {title}; - Cursor cursor = mDb.query(TABLE_NAME, cols, selection, selectionArgs, null, null, null); + final Cursor cursor = mDb.query(TABLE_NAME, cols, selection, selectionArgs, null, null, null); if (cursor == null) return false; @@ -88,6 +91,26 @@ public class DBHelper extends SQLiteOpenHelper { return cnt == 1; } + public List getNotes() { + final List notes = new ArrayList<>(); + final String cols[] = {COL_ID, COL_TITLE, COL_VALUE}; + final Cursor cursor = mDb.query(TABLE_NAME, cols, null, null, null, null, null); + if (cursor != null) { + if (cursor.moveToFirst()) { + do { + final int id = cursor.getInt(cursor.getColumnIndex(COL_ID)); + final String title = cursor.getString(cursor.getColumnIndex(COL_TITLE)); + final String value = cursor.getString(cursor.getColumnIndex(COL_VALUE)); + final Note note = new Note(id, title, value); + notes.add(note); + } while (cursor.moveToNext()); + } + cursor.close(); + } + + return notes; + } + public void updateNote(Note note) { final ContentValues values = fillContentValues(note); final String selection = COL_ID + " = ?"; @@ -105,10 +128,10 @@ public class DBHelper extends SQLiteOpenHelper { if (cursor.moveToFirst()) { final int id = cursor.getInt(cursor.getColumnIndex(COL_ID)); - final String name = cursor.getString(cursor.getColumnIndex(COL_TITLE)); - final String text = cursor.getString(cursor.getColumnIndex(COL_VALUE)); + final String title = cursor.getString(cursor.getColumnIndex(COL_TITLE)); + final String value = cursor.getString(cursor.getColumnIndex(COL_VALUE)); cursor.close(); - return new Note(id, name, text); + return new Note(id, title, value); } cursor.close();