...

app/src/main/java/com/base/pdfviewerscannerwhite/helper/ConfigHelper.kt

+package com.base.pdfviewerscannerwhite.helper
+
+object ConfigHelper {
+
+    const val privacyPolicy: String = "https://sites.google.com/view/pdf-reader-scan/pdf-reader"
+    const val termService: String = "https://sites.google.com/view/term-of-service-s/term-of-service"
+}
\ No newline at end of file

app/src/main/java/com/base/pdfviewerscannerwhite/ui/set/FeedbackActivity.kt

 package com.base.pdfviewerscannerwhite.ui.set
 
+import androidx.activity.addCallback
+import androidx.core.widget.addTextChangedListener
 import com.base.pdfviewerscannerwhite.databinding.ActivityFeedbackBinding
 import com.base.pdfviewerscannerwhite.helper.BaseActivity
+import com.base.pdfviewerscannerwhite.utils.ToastUtils.toast
 
 class FeedbackActivity : BaseActivity<ActivityFeedbackBinding>() {
 
@@ -10,6 +13,24 @@ class FeedbackActivity : BaseActivity<ActivityFeedbackBinding>() {
     }
 
     override fun initView() {
+
+    }
+
+    override fun initListener() {
+        super.initListener()
+        onBackPressedDispatcher.addCallback {
+            finish()
+        }
+        binding.flFanhui.setOnClickListener {
+            onBackPressedDispatcher.onBackPressed()
+        }
+        binding.edit.addTextChangedListener {
+            binding.tvBtn.isEnabled = it?.isNotEmpty() == true
+        }
+        binding.tvBtn.setOnClickListener {
+            toast("Feedback success")
+            onBackPressedDispatcher.onBackPressed()
+        }
     }
 
 }
\ No newline at end of file

app/src/main/java/com/base/pdfviewerscannerwhite/ui/set/SetActivity.kt

 package com.base.pdfviewerscannerwhite.ui.set
 
+import android.content.Intent
+import android.net.Uri
+import androidx.activity.addCallback
 import com.base.pdfviewerscannerwhite.databinding.ActivitySetBinding
 import com.base.pdfviewerscannerwhite.helper.BaseActivity
+import com.base.pdfviewerscannerwhite.helper.ConfigHelper
 import com.base.pdfviewerscannerwhite.ui.view.RateDialog.showRateDialog
 
 class SetActivity : BaseActivity<ActivitySetBinding>() {
@@ -16,12 +20,33 @@ class SetActivity : BaseActivity<ActivitySetBinding>() {
 
     override fun initListener() {
         super.initListener()
+        onBackPressedDispatcher.addCallback {
+            finishToMain()
+        }
+        binding.flFanhui.setOnClickListener {
+            onBackPressedDispatcher.onBackPressed()
+        }
         binding.llRate.setOnClickListener {
             showRateDialog(true)
         }
         binding.llFeedback.setOnClickListener {
+            startActivity(Intent(this, FeedbackActivity::class.java))
+        }
+        binding.llPrivacy.setOnClickListener {
+            val intent = Intent(
+                Intent.ACTION_VIEW,
+                Uri.parse(ConfigHelper.privacyPolicy)
+            )
+            startActivity(intent)
 
         }
+        binding.llTerm.setOnClickListener {
+            val intent = Intent(
+                Intent.ACTION_VIEW,
+                Uri.parse(ConfigHelper.termService)
+            )
+            startActivity(intent)
+        }
     }
 
 }
\ No newline at end of file

app/src/main/res/drawable/bg_fafcfb_15.xml

+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#FAFCFB" />
+    <corners android:radius="15dp" />
+</shape>
\ No newline at end of file

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

@@ -7,4 +7,71 @@
     android:layout_height="match_parent"
     tools:context=".ui.set.FeedbackActivity">
 
+    <FrameLayout
+        android:id="@+id/fl_fanhui"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:padding="15dp"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent">
+
+        <ImageView
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:src="@mipmap/fanhui_b"
+            tools:ignore="ContentDescription" />
+
+
+    </FrameLayout>
+
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
+        android:text="Feedback"
+        android:textColor="@color/black"
+        android:textSize="19sp"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="@id/fl_fanhui"
+        app:layout_constraintStart_toEndOf="@id/fl_fanhui"
+        app:layout_constraintTop_toTopOf="@id/fl_fanhui"
+        tools:ignore="HardcodedText" />
+
+    <EditText
+        android:layout_marginTop="30dp"
+        android:id="@+id/edit"
+        android:layout_width="match_parent"
+        android:layout_height="485dp"
+        android:layout_marginHorizontal="15dp"
+        android:background="@drawable/bg_fafcfb_15"
+        android:gravity="top|start"
+        android:hint="Please enter your feedback or thoughts"
+        android:inputType="text"
+        android:paddingHorizontal="20dp"
+        android:paddingVertical="25dp"
+        android:textColor="@color/black"
+        android:textColorHint="#BFBFBF"
+        android:textSize="16sp"
+        app:layout_constraintTop_toBottomOf="@id/fl_fanhui"
+        tools:ignore="Autofill,HardcodedText,TextFields" />
+
+
+    <TextView
+        android:id="@+id/tv_btn"
+        android:layout_width="338dp"
+        android:layout_height="48dp"
+        android:layout_marginBottom="25dp"
+        android:background="@drawable/bg_selector_btn"
+        android:enabled="false"
+        android:gravity="center"
+        android:text="Send"
+        android:textColor="@color/white"
+        android:textSize="18sp"
+        android:textStyle="bold"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        tools:ignore="HardcodedText" />
+
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file