WIP. add database import/export

Fix issue in DrugListActivity
The backupprefs dialog is displayed but the button are not usable, except cancel

app/src/main/java/net/foucry/pilldroid/DrugDetailActivity.java

@@ -10,8 +10,10 @@ import android.widget.TextView;
 
 import androidx.appcompat.app.ActionBar;
 import androidx.appcompat.app.AppCompatActivity;
+
 import com.google.android.material.appbar.MaterialToolbar;
 import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton;
+
 import net.foucry.pilldroid.dao.PrescriptionsDAO;
 import net.foucry.pilldroid.databases.PrescriptionDatabase;
 import net.foucry.pilldroid.models.Prescription;

app/src/main/java/net/foucry/pilldroid/DrugListActivity.java

@@ -42,6 +42,7 @@ import androidx.core.content.ContextCompat;
 import androidx.recyclerview.widget.ItemTouchHelper;
 import androidx.recyclerview.widget.RecyclerView;
 import androidx.room.Room;
+import androidx.room.RoomDatabase;
 
 import com.google.android.material.floatingactionbutton.FloatingActionButton;
 import com.google.android.material.snackbar.Snackbar;
@@ -711,6 +712,8 @@ public class DrugListActivity extends AppCompatActivity {
         }
     }
     void backupprefs() {
+        Log.i(TAG, "backupprefs");
+
         final Dialog dlg = new Dialog(this);
         dlg.requestWindowFeature(Window.FEATURE_NO_TITLE);
         Objects.requireNonNull(dlg.getWindow()).setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
@@ -725,12 +728,15 @@ public class DrugListActivity extends AppCompatActivity {
         btn_export.setEnabled(true);
         btn_import.setEnabled(false);
 
-        Button ok = dlg.findViewById(R.id.ok_btn);
+        Button ok = dlg.findViewById(R.id.agreed);
-        Button cancel = dlg.findViewById(R.id.cancel_btn);
+        Button cancel = dlg.findViewById(R.id.notagreed);
+
+        PrescriptionDatabase prescriptions = PrescriptionDatabase.getInstanceDatabase(this);
+
+
         ok.setOnClickListener(v -> {
             dlg.cancel();
             //TODO: manage the options
-            Log.i(TAG, "ok button");
         });
 
         cancel.setOnClickListener(v -> {
@@ -738,5 +744,14 @@ public class DrugListActivity extends AppCompatActivity {
             Log.i(TAG, "dismiss dialog");
         });
         dlg.show();
+
+    Log.i(TAG, "ok button");
+    if ( btn_export.isEnabled() {
+        // TODO: call `make backup
+            prescriptions.backup();
+
+    } else {
+        // TODO: call restore backup
     }
 }
+}

app/src/main/res/layout/backupprefs.xml

@@ -12,6 +12,7 @@
         android:layout_height="319dp"
         android:layout_marginStart="12dp"
         android:layout_marginEnd="12dp"
+        android:background="@color/lightgrey"
         app:cardCornerRadius="@dimen/btn_radius"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"

app/src/main/res/values/colors.xml

@@ -20,4 +20,5 @@
     <color name="grey">#777</color>
     <color name="unselected_background">#777777</color>
     <color name="selected_background">#4f91ff</color>
+    <color name="lightgrey">#ACABAC</color>
 </resources>