BluetoothDeviceを登録する機能を追加

app/src/main/java/com/example/childguard/RecyclerAdapter.java

@@ -1,6 +1,8 @@
 package com.example.childguard;
 
+import android.bluetooth.BluetoothAdapter;
 import android.content.Context;
+import android.content.SharedPreferences;
 import android.preference.PreferenceManager;
 import android.util.Log;
 import android.view.LayoutInflater;
@@ -10,22 +12,26 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
+import androidx.appcompat.app.AlertDialog;
 import androidx.recyclerview.widget.RecyclerView;
 
 import java.util.ArrayList;
+import java.util.function.Predicate;
 
 public class RecyclerAdapter extends RecyclerView.Adapter<RecyclerAdapter.ItemViewHolder> {
 
     ArrayList<String[]> deviceList;
 
     Context applicationContext;
+    View parentView;
 
     // Constructor
-    public RecyclerAdapter(ArrayList<String[]> deviceList, Context applicationContext) {
+    public RecyclerAdapter(ArrayList<String[]> deviceList, Context applicationContext, View parentView) {
         // Init
         Log.d("RecyclerAdapter", "Constructor called");
         this.deviceList = deviceList;
         this.applicationContext = applicationContext;
+        this.parentView = parentView;
     }
 
     @NonNull
@@ -42,14 +48,24 @@ public class RecyclerAdapter extends RecyclerView.Adapter<RecyclerAdapter.ItemVi
         holder.textView.setOnClickListener( v -> {
 
             // アラートダイアログを表示
-            new androidx.appcompat.app.AlertDialog.Builder(v.getContext())
+            new AlertDialog.Builder(v.getContext())
                     .setTitle("登録")
                     .setMessage("このデバイスを登録しますか？")
                     .setPositiveButton(android.R.string.ok, (dialog, which) -> {
                         // OK button pressed
                         Toast.makeText(v.getContext(), "OK button clicked", Toast.LENGTH_SHORT).show();
-                        Toast.makeText(v.getContext(), deviceList.get(position)[1], Toast.LENGTH_SHORT).show();
-                        PreferenceManager.getDefaultSharedPreferences(this.applicationContext).edit().putString("bluetooth_device1", deviceList.get(position)[1]).apply();
+
+                        //共有プリファレンスに保存
+                        SharedPreferences sharedPreferences=PreferenceManager.getDefaultSharedPreferences(this.applicationContext);
+                        sharedPreferences.edit().putString("bluetooth_device_id", deviceList.get(position)[1]).apply();
+                        sharedPreferences.edit().putString("bluetooth_device_name",deviceList.get(position)[0]).apply();
+                        Toast.makeText(v.getContext(),PreferenceManager.getDefaultSharedPreferences(this.applicationContext).getString("bluetooth_device_id","none"), Toast.LENGTH_SHORT).show();
+
+                        TextView textView = this.parentView.findViewById(R.id.registered_device);
+                        textView.setText(PreferenceManager.getDefaultSharedPreferences(this.applicationContext).getString("bluetooth_device_name","none"));
+
+
+
                     })
                     .setNegativeButton(android.R.string.cancel, null)
                     .show();