Pq viet

README.md

@@ -0,0 +1,8 @@
+# AndroidD20
+![image](https://user-images.githubusercontent.com/90551685/181299623-4ea34eef-fab2-4ed8-b627-c5c51091cc0e.png)
+Lúc này chưa có cái gì cả, nhập kiểu gì cũng báo lỗi sau do không có tài khoản nào đã đăng kí. Ấn textview sign up sẽ chuyển sang fragment đăng kí
+![image](https://user-images.githubusercontent.com/90551685/181590987-43e0b46d-5dbc-460a-bb78-ba4071d79acc.png)
+Đã đăng kí thành công tài khoản và mât khẩu là 123 lưu vào list, sau đó truyền data vào fragment đăng nhập
+![image](https://user-images.githubusercontent.com/90551685/181300481-dd9f0ea1-d55c-414d-80b2-509a335743cf.png)
+sau khi đăng nhâp thì đã thành côgn trong việc truyền data tài khoản chính xác vào trong activity thứ 2
+Nút logout để quay lại activity 1

app/build.gradle

@@ -1,10 +1,12 @@
 plugins {
     id 'com.android.application'
     id 'org.jetbrains.kotlin.android'
+    id("kotlin-parcelize")
 }
 
 android {
-    compileSdk 32
+
+    compileSdk 33
 
     defaultConfig {
         applicationId "com.sudo.androidd20"
@@ -22,6 +24,9 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
+    buildFeatures {
+        viewBinding = true
+    }
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8

app/src/main/AndroidManifest.xml

@@ -13,6 +13,9 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.AndroidD20"
         tools:targetApi="31">
+        <activity
+            android:name=".MainActivity2"
+            android:exported="false" />
         <activity
             android:name=".MainActivity"
             android:exported="true">

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

@@ -0,0 +1,87 @@
+package com.sudo.androidd20
+
+import android.content.Intent
+import android.graphics.Paint
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.View.inflate
+import android.view.ViewGroup
+import android.widget.Toast
+import androidx.annotation.RequiresApi
+import androidx.core.content.res.ComplexColorCompat.inflate
+import androidx.fragment.app.FragmentTransaction
+import com.sudo.androidd20.databinding.ActivityMainBinding.inflate
+import com.sudo.androidd20.databinding.FragmentLoginBinding
+import com.sudo.androidd20.databinding.FragmentLoginBinding.inflate
+import com.sudo.androidd20.databinding.FragmentSignUpBinding
+import com.sudo.androidd20.databinding.FragmentSignUpBinding.inflate
+
+class LoginFragment : Fragment() {
+    private var _binding: FragmentLoginBinding? = null
+    private val binding get() = _binding!!
+    private var accounts: ArrayList<User> = arrayListOf()
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        _binding = FragmentLoginBinding.inflate(inflater, container, false)
+        binding.tvSignUp.paintFlags = Paint.UNDERLINE_TEXT_FLAG
+        //getting data
+        arguments?.let {
+            accounts = it.getSerializable("acc") as ArrayList<User>
+        }
+        binding.btnLogin.setOnClickListener {
+            val email = binding.etEmail.text.toString()
+            val password = binding.etPassword.text.toString()
+            if (!isEmailValid(email)) Toast.makeText(
+                context,
+                "You did not enter email in the right way!",
+                Toast.LENGTH_LONG
+            ).show()
+            else if (email.isEmpty()) Toast.makeText(
+                context,
+                "Email must not be empty",
+                Toast.LENGTH_SHORT
+            ).show()
+            else if (password.isEmpty()) Toast.makeText(
+                context,
+                "Password must not be empty",
+                Toast.LENGTH_LONG
+            ).show()
+            val loginUser = User(email, password)
+            if (accounts.contains(loginUser)) {
+                val intent = Intent(context, MainActivity2::class.java)
+                //passing infor to the other activity
+                intent.putExtra("name", loginUser.email.toString())
+                intent.putExtra("password", loginUser.password.toString())
+                startActivity(intent)
+            } else {
+                Toast.makeText(context, "Incorrect password or account", Toast.LENGTH_SHORT).show()
+            }
+
+        }
+
+        binding.tvSignUp.setOnClickListener {
+            val fragmentSignUp = SignUpFragment()
+            val transaction = requireActivity().supportFragmentManager.beginTransaction()
+            transaction.apply {
+                replace(R.id.fragment_menu, fragmentSignUp)
+                commit()
+            }
+        }
+
+
+
+
+
+        return binding.root
+    }
+
+    private fun isEmailValid(email: String): Boolean {
+        return android.util.Patterns.EMAIL_ADDRESS.matcher(email).matches()
+    }
+
+}

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

@@ -2,10 +2,19 @@ package com.sudo.androidd20
 
 import androidx.appcompat.app.AppCompatActivity
 import android.os.Bundle
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.FragmentManager
 
 class MainActivity : AppCompatActivity() {
+    private val loginInFragment = LoginFragment()
+    // val signUpFragment= SignUpFragment()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         setContentView(R.layout.activity_main)
+        supportFragmentManager.beginTransaction().apply {
+            replace(R.id.fragment_menu, loginInFragment)
+            commit()
+        }
     }
 }

app/src/main/java/com/sudo/androidd20/MainActivity2.kt

@@ -0,0 +1,31 @@
+package com.sudo.androidd20
+
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.view.View.inflate
+import androidx.appcompat.resources.Compatibility.Api21Impl.inflate
+import androidx.core.content.res.ColorStateListInflaterCompat.inflate
+import androidx.core.content.res.ComplexColorCompat.inflate
+import androidx.core.graphics.drawable.DrawableCompat.inflate
+import com.sudo.androidd20.databinding.ActivityMain2Binding
+import com.sudo.androidd20.databinding.ActivityMain2Binding.inflate
+import com.sudo.androidd20.databinding.ActivityMainBinding.inflate
+import com.sudo.androidd20.databinding.FragmentLoginBinding.inflate
+import com.sudo.androidd20.databinding.FragmentSignUpBinding.inflate
+
+class MainActivity2 : AppCompatActivity() {
+    private lateinit var binding: ActivityMain2Binding
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding=ActivityMain2Binding.inflate(layoutInflater)
+        setContentView(binding.root)
+        binding.tvName.text = intent?.getStringExtra("name").toString()
+        binding.tvPass.text = intent?.getStringExtra("password").toString()
+        binding.btnLogout.setOnClickListener {
+            val intent = Intent(this, MainActivity::class.java)
+            startActivity(intent)
+        }
+
+    }
+}

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

@@ -0,0 +1,74 @@
+package com.sudo.androidd20
+
+import android.graphics.Paint
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Toast
+import com.sudo.androidd20.databinding.FragmentSignUpBinding
+
+
+class SignUpFragment : Fragment() {
+
+    private var _binding: FragmentSignUpBinding? = null
+    private val binding get() = _binding!!
+    private val accounts: ArrayList<User> = arrayListOf()
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        _binding = FragmentSignUpBinding.inflate(inflater, container, false)
+        binding.tvLogin.paintFlags = Paint.UNDERLINE_TEXT_FLAG
+        binding.btnSignup.setOnClickListener {
+            val email = binding.etEmail.text.toString()
+            val password = binding.etPassword.text.toString()
+            val confirmPassword = binding.etConfirmPassword.text.toString()
+            if (!isEmailValid(email)) Toast.makeText(
+                context,
+                "You did not enter email in the right way!",
+                Toast.LENGTH_LONG
+            ).show()
+            else if (email.isEmpty()) Toast.makeText(
+                context,
+                "Email must not be empty",
+                Toast.LENGTH_SHORT
+            ).show()
+            else if (confirmPassword != password) Toast.makeText(
+                context,
+                "Confirm password is not correct!",
+                Toast.LENGTH_LONG
+            ).show()
+            else if (password.isEmpty()) Toast.makeText(
+                context,
+                "Password must not be empty",
+                Toast.LENGTH_LONG
+            ).show()
+            else {
+                accounts.add(User(email, password))
+                Toast.makeText(context, "$email has just been created", Toast.LENGTH_SHORT).show()
+            }
+
+        }
+        binding.tvLogin.setOnClickListener {
+            val fragmentLogin = LoginFragment()
+            //passing data
+            val bundle = Bundle()
+            fragmentLogin.arguments = bundle
+            bundle.putSerializable("acc", accounts)
+            //transition
+            val transaction = requireActivity().supportFragmentManager.beginTransaction()
+            transaction.apply {
+                replace(R.id.fragment_menu, fragmentLogin)
+                commit()
+            }
+        }
+        return binding.root
+    }
+
+    private fun isEmailValid(email: String): Boolean {
+        return android.util.Patterns.EMAIL_ADDRESS.matcher(email).matches()
+    }
+}

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

@@ -0,0 +1,7 @@
+package com.sudo.androidd20
+
+import android.os.Parcelable
+import kotlinx.parcelize.Parcelize
+
+@Parcelize
+data class User(val email: String?, val password: String?) : Parcelable

app/src/main/res/drawable/bg_gradient_khongxau.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="@color/white"
+        android:startColor="#00e9fa"
+        android:type="linear" />
+</shape>

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

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+    <solid android:color="#eeffffff" />
+    <corners android:bottomRightRadius="8dp"
+        android:bottomLeftRadius="8dp"
+        android:topRightRadius="8dp"
+        android:topLeftRadius="8dp"/>
+</shape>

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

@@ -4,15 +4,22 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:background="@drawable/bg_gradient_khongxau"
     tools:context=".MainActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:text="Hello World!"
+
+    <androidx.fragment.app.FragmentContainerView
+        android:id="@+id/fragment_menu"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        app:layout_constraintBaseline_toBottomOf="parent"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintEnd_toStartOf="parent"
+        app:layout_constraintHorizontal_bias="0.0"
         app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent" />
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="1.0" />
+
 
 </androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_main2.xml

@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    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:background="@drawable/bg_gradient_khongxau"
+    android:gravity="center"
+    android:orientation="vertical"
+    tools:context=".MainActivity2">
+
+    <TextView
+        android:id="@+id/tvName"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:ems="10"
+        android:text="1"
+        android:textAlignment="center"
+        android:textColor="#ffffff"
+        android:textSize="60dp" />
+
+    <TextView
+        android:id="@+id/tvPass"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:ems="10"
+        android:text="1"
+        android:textAlignment="center"
+        android:textColor="#ffffff"
+        android:textSize="60dp" />
+
+    <androidx.appcompat.widget.AppCompatButton
+        android:id="@+id/btnLogout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="50dp"
+        android:background="@drawable/rounded_button"
+        android:backgroundTint="#00affa"
+        android:text="Logout" />
+
+
+</LinearLayout>