modification thread add sendActivity

app/src/main/AndroidManifest.xml

@@ -15,6 +15,7 @@
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:theme="@style/Theme.Qrcode">
+        <activity android:name=".SendActivity"></activity>
         <activity android:name=".MenuScanActivity" />
         <activity android:name=".ScanActivity" />
         <activity android:name=".LauncherActivity">

app/src/main/java/com/example/qrcode/GenerateActivity.java

@@ -5,7 +5,6 @@ import androidx.appcompat.app.AppCompatActivity;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.os.Bundle;
-import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
@@ -82,7 +81,7 @@ public class GenerateActivity extends AppCompatActivity {
 
                     request = new Intent(GenerateActivity.this, SendActivity.class);
 
-                    startActivityForResult(request,15);
+                    startActivityForResult(request,14);
                 }
 
             });

app/src/main/java/com/example/qrcode/SendActivity.java

 package com.example.qrcode;
 
+import androidx.appcompat.app.AppCompatActivity;
+
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.Intent;
@@ -13,9 +15,6 @@ import android.widget.Button;
 import android.widget.ListView;
 import android.widget.Toast;
 
-import androidx.appcompat.app.AppCompatActivity;
-import androidx.fragment.app.Fragment;
-
 import com.example.qrcode.thread.ClientClass;
 
 import java.util.Set;
@@ -66,8 +65,8 @@ public class SendActivity extends AppCompatActivity {
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        setContentView(R.layout.activity_scan);
-
+        setContentView(R.layout.activity_send);
+        Toast.makeText(getApplicationContext(), "OK", Toast.LENGTH_SHORT).show();
         listView=(ListView) findViewById(R.id.listView);
         bluetoohButton = (Button) findViewById(R.id.bluetoothButton);
         appButton = (Button) findViewById(R.id.appButton);
@@ -127,7 +126,4 @@ public class SendActivity extends AppCompatActivity {
         });
 
     }
-
-
-
-}
+}
\ No newline at end of file

app/src/main/java/com/example/qrcode/thread/ClientClass.java

@@ -4,8 +4,6 @@ import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothSocket;
 import android.os.Handler;
 import android.os.Message;
-import android.widget.TextView;
-import android.widget.Toast;
 
 import com.example.qrcode.SendActivity;
 
@@ -38,7 +36,7 @@ public class ClientClass extends Thread
         try {
             socket.connect();
             Message message=Message.obtain();
-            message.what=SendActivity.STATE_CONNECTED;
+            message.what= SendActivity.STATE_CONNECTED;
             _handler.sendMessage(message);
 
             sendReceive=new SendReceive(socket, _handler);

app/src/main/java/com/example/qrcode/thread/SendReceive.java

@@ -2,7 +2,6 @@ package com.example.qrcode.thread;
 
 import android.bluetooth.BluetoothSocket;
 import android.os.Handler;
-import android.os.Message;
 import android.widget.TextView;
 
 import com.example.qrcode.SendActivity;

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

@@ -3,7 +3,8 @@
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    tools:context=".SendActivity">
 
     <Button
         android:id="@+id/bluetoothButton"

app/src/main/res/navigation/nav_graph.xml

@@ -41,6 +41,26 @@
         android:label="@string/second_fragment_label"
         tools:layout="@layout/fragment_second">
 
+        <action
+            android:id="@+id/action_SecondFragment_to_FirstFragment"
+            app:destination="@id/FirstFragment" />
+    </fragment>
+    <fragment
+        android:id="@+id/FirstFragment"
+        android:name="com.example.qrcode.FirstFragment"
+        android:label="@string/first_fragment_label"
+        tools:layout="@layout/fragment_first">
+
+        <action
+            android:id="@+id/action_FirstFragment_to_SecondFragment"
+            app:destination="@id/SecondFragment" />
+    </fragment>
+    <fragment
+        android:id="@+id/SecondFragment"
+        android:name="com.example.qrcode.SecondFragment"
+        android:label="@string/second_fragment_label"
+        tools:layout="@layout/fragment_second">
+
         <action
             android:id="@+id/action_SecondFragment_to_FirstFragment"
             app:destination="@id/FirstFragment" />

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

@@ -11,4 +11,5 @@
     <string name="hello_second_fragment">Hello second fragment. Arg: %1$s</string>
     <string name="title_activity_generateqr">GenerateqrActivity</string>
     <string name="bluetooth">Bluetooth</string>
+    <string name="title_activity_send">SendActivity</string>
 </resources>
\ No newline at end of file