Preparing to support multi user. Use the database to store accounts' info. LoginActivity is successfully refactored. Any other features are unavailable for now.

1 files changed, 27 insertions, 0 deletions

diff --git a/app/src/main/java/Account/AccountRoomDatabase.java b/app/src/main/java/Account/AccountRoomDatabase.java
new file mode 100644
index 00000000..2f5d0120
--- /dev/null
+++ b/app/src/main/java/Account/AccountRoomDatabase.java
@@ -0,0 +1,27 @@
+package Account;
+
+import android.content.Context;
+
+import androidx.room.Database;
+import androidx.room.Room;
+import androidx.room.RoomDatabase;
+
+@Database(entities = {Account.class}, version = 1)
+public abstract class AccountRoomDatabase extends RoomDatabase {
+    private static AccountRoomDatabase INSTANCE;
+
+    public abstract AccountDao accountDao();
+
+    public static AccountRoomDatabase getDatabase(final Context context) {
+        if(INSTANCE == null) {
+            synchronized (AccountRoomDatabase.class) {
+                if(INSTANCE == null) {
+                    INSTANCE = Room.databaseBuilder(context.getApplicationContext(),
+                            AccountRoomDatabase.class, "accounts")
+                            .build();
+                }
+            }
+        }
+        return INSTANCE;
+    }
+}