Vh tuan

app/build.gradle

@@ -15,7 +15,9 @@ android {
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }
-
+    buildFeatures {
+        viewBinding = true
+    }
     buildTypes {
         release {
             minifyEnabled false
@@ -29,6 +31,9 @@ android {
     kotlinOptions {
         jvmTarget = '1.8'
     }
+    buildFeatures {
+        viewBinding true
+    }
 }
 
 dependencies {
@@ -37,6 +42,9 @@ dependencies {
     implementation 'androidx.appcompat:appcompat:1.4.2'
     implementation 'com.google.android.material:material:1.6.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'androidx.annotation:annotation:1.2.0'
+    implementation 'androidx.lifecycle:lifecycle-livedata-ktx:2.3.1'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.3.1'
     testImplementation 'junit:junit:4.13.2'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'

app/src/main/AndroidManifest.xml

@@ -13,6 +13,9 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.AndroidD20"
         tools:targetApi="31">
+        <activity
+            android:name=".SecondActivity"
+            android:exported="false" />
         <activity
             android:name=".MainActivity"
             android:exported="true">

app/src/main/java/com/sudo/androidd20/LoginFragment.kt

@@ -0,0 +1,100 @@
+package com.sudo.androidd20
+
+import android.content.Intent
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentResultListener
+import com.sudo.androidd20.databinding.FragmentLoginBinding
+
+// TODO: Rename parameter arguments, choose names that match
+// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
+private const val ARG_PARAM1 = "param1"
+private const val ARG_PARAM2 = "param2"
+
+/**
+ * A simple [Fragment] subclass.
+ * Use the [LoginFragment.newInstance] factory method to
+ * create an instance of this fragment.
+ */
+class LoginFragment : Fragment() {
+    // TODO: Rename and change types of parameters
+    private var param1: String? = null
+    private var param2: String? = null
+    private lateinit var binding: FragmentLoginBinding
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        arguments?.let {
+            param1 = it.getString(ARG_PARAM1)
+            param2 = it.getString(ARG_PARAM2)
+        }
+
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        binding = FragmentLoginBinding.inflate(inflater,container,false)
+        parentFragmentManager.apply {
+            setFragmentResultListener("result_to_fragment_login",
+                this@LoginFragment,
+            FragmentResultListener{_,bundle->
+                val result = bundle.getSerializable("userName") as User
+                binding.username.setText(result.email)
+            })
+        }
+//        arguments?.let {
+//            val result = it.getSerializable("userName") as User
+//        }
+        binding.tvSignUp.setOnClickListener{
+            changeFragment()
+        }
+        binding.login.setOnClickListener {
+            if(binding.username.text.isNullOrEmpty()||binding.password.text.isNullOrEmpty()){
+                Toast.makeText(context,"Please complete all information", Toast.LENGTH_SHORT).show()
+            }
+            else{
+
+                val intent = Intent(context,SecondActivity::class.java)
+                val bundle = Bundle()
+                bundle.putSerializable("userData",User(binding.username.text.toString(),binding.password.text.toString()))
+                intent.putExtras(bundle)
+                activity?.finish()
+                startActivity(intent)
+                Toast.makeText(context,"Logged in successfully", Toast.LENGTH_SHORT).show()
+
+
+            }
+        }
+        return binding.root
+    }
+
+    private fun changeFragment() {
+        parentFragmentManager.beginTransaction().replace(R.id.frame_container,RegisterFragment()).addToBackStack(null).commit()
+    }
+
+
+    companion object {
+        /**
+         * Use this factory method to create a new instance of
+         * this fragment using the provided parameters.
+         *
+         * @param param1 Parameter 1.
+         * @param param2 Parameter 2.
+         * @return A new instance of fragment LoginFragment.
+         */
+        // TODO: Rename and change types and number of parameters
+        @JvmStatic
+        fun newInstance(param1: String, param2: String) =
+            LoginFragment().apply {
+                arguments = Bundle().apply {
+                    putString(ARG_PARAM1, param1)
+                    putString(ARG_PARAM2, param2)
+                }
+            }
+    }
+}

app/src/main/java/com/sudo/androidd20/MainActivity.kt

@@ -1,11 +1,29 @@
 package com.sudo.androidd20
 
-import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.FragmentManager
+import androidx.fragment.app.FragmentTransaction
 
 class MainActivity : AppCompatActivity() {
+    private var fragmentManager: FragmentManager? = null
+    private var fragmentTransaction: FragmentTransaction? = null
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        addFragment()
+    }
+
+    private fun addFragment() {
+        val fragment = LoginFragment()
+        fragmentManager = supportFragmentManager
+        fragmentTransaction = fragmentManager?.beginTransaction()
+        fragmentTransaction?.add(
+            R.id.frame_container,
+            fragment
+        )
+        fragmentTransaction?.commit()
     }
+
+
 }

app/src/main/java/com/sudo/androidd20/RegisterFragment.kt

@@ -0,0 +1,92 @@
+package com.sudo.androidd20
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
+import androidx.fragment.app.Fragment
+import com.sudo.androidd20.databinding.FragmentRegisterBinding
+
+// TODO: Rename parameter arguments, choose names that match
+// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
+private const val ARG_PARAM1 = "param1"
+private const val ARG_PARAM2 = "param2"
+
+/**
+ * A simple [Fragment] subclass.
+ * Use the [RegisterFragment.newInstance] factory method to
+ * create an instance of this fragment.
+ */
+class RegisterFragment : Fragment() {
+    // TODO: Rename and change types of parameters
+    private var param1: String? = null
+    private var param2: String? = null
+    private lateinit var binding: FragmentRegisterBinding
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        arguments?.let {
+            param1 = it.getString(ARG_PARAM1)
+            param2 = it.getString(ARG_PARAM2)
+        }
+    }
+
+    override fun onCreateView(
+        inflater: LayoutInflater, container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View {
+        // Inflate the layout for this fragment
+        binding = FragmentRegisterBinding.inflate(inflater,container,false)
+        binding.register.setOnClickListener {
+
+            signup(binding.username.text.toString(),binding.password.text.toString(),binding.confirmedPassword.text.toString())
+        }
+        binding.tvSignIn.setOnClickListener {
+            parentFragmentManager.popBackStack()
+        }
+        return binding.root
+    }
+
+    private fun signup(username: String?, password: String?, confirmedPassword: String?) {
+        if (username.isNullOrEmpty()  || password.isNullOrEmpty() || confirmedPassword.isNullOrEmpty() ) {
+            Toast.makeText(context,"Please complete all information",Toast.LENGTH_SHORT).show()
+        }
+        else if(password.compareTo(confirmedPassword)!=0){
+            Toast.makeText(context,"Password does not match",Toast.LENGTH_SHORT).show()
+        }
+        else{
+//            (activity as MainActivity).updateUsersList(User(username,password))
+            Toast.makeText(context,"Create account success",Toast.LENGTH_SHORT).show()
+            parentFragmentManager.apply {
+                val bundle = Bundle()
+                bundle.putSerializable("userName",User(username,password))
+                setFragmentResult("result_to_fragment_login", bundle)
+                popBackStack()
+            }
+//            val fragmentLogin = LoginFragment()
+//            val bundle = Bundle()
+//            fragmentLogin.arguments = bundle
+//            bundle.putSerializable("userName",User(username,password))
+        }
+    }
+
+    companion object {
+        /**
+         * Use this factory method to create a new instance of
+         * this fragment using the provided parameters.
+         *
+         * @param param1 Parameter 1.
+         * @param param2 Parameter 2.
+         * @return A new instance of fragment RegisterFragment.
+         */
+        // TODO: Rename and change types and number of parameters
+        @JvmStatic
+        fun newInstance(param1: String, param2: String) =
+            RegisterFragment().apply {
+                arguments = Bundle().apply {
+                    putString(ARG_PARAM1, param1)
+                    putString(ARG_PARAM2, param2)
+                }
+            }
+    }
+}

app/src/main/java/com/sudo/androidd20/SecondActivity.kt

@@ -0,0 +1,17 @@
+package com.sudo.androidd20
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import com.sudo.androidd20.databinding.ActivitySecondBinding
+
+class SecondActivity : AppCompatActivity() {
+    private lateinit var binding: ActivitySecondBinding
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.activity_second)
+        binding = ActivitySecondBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+        val user = intent?.extras?.get("userData") as User
+        binding.username.setText(user.email)
+    }
+}

app/src/main/java/com/sudo/androidd20/User.kt

@@ -0,0 +1,8 @@
+package com.sudo.androidd20
+
+import java.io.Serializable
+
+data class User(
+    var email:String,
+    var password:String
+):Serializable

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

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <corners android:radius="64dp"/>
+    <solid android:color="@color/teal_200"/>
+
+
+</shape>

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

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <gradient
+        android:angle="90"
+        android:endColor="#3cdcf3"
+        android:startColor="@color/white"
+        />
+
+</shape>

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

@@ -6,13 +6,10 @@
     android:layout_height="match_parent"
     tools:context=".MainActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
-        app:layout_constraintBottom_toBottomOf="parent"
-        app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+    <FrameLayout
+        android:id="@+id/frame_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:layout_weight="1" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>