Added but not use; try to use contract, unsuccessfully. Keep fil just in casse

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

@@ -0,0 +1,39 @@
+package net.foucry.pilldroid;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.os.Bundle;
+
+import androidx.activity.result.contract.ActivityResultContract;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+public class DrugDetailContract extends ActivityResultContract<Intent, Integer> {
+    /**
+     * Create an intent that can be used for {@link Activity#startActivityForResult}
+     *
+     * @param context Context
+     * @param input Drug
+     */
+    @NonNull
+    @Override
+    public Intent createIntent(@NonNull Context context, Intent input) {
+        Intent intent = new Intent(context, DrugDetailActivity.class);
+
+        intent.putExtra("Drug", input.getExtras());
+        return (intent);
+    }
+
+    /**
+     * Convert result obtained from  to O
+     * @param resultCode Integer
+     * @param intent Intent
+     * @return Integer
+     */
+    @Override
+    public Integer parseResult(int resultCode, @Nullable Intent intent) {
+
+        return resultCode;
+    }
+}