Tech and Digital Media: 【ANDROID STUDIO】navigation

package com.example.navdemo


import android.os.Bundle
import android.text.TextUtils
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.core.os.bundleOf
import androidx.databinding.DataBindingUtil
import androidx.navigation.findNavController
import com.example.navdemo.databinding.FragmentEmailBinding


/**
 * A simple [Fragment] subclass.
 * Use the [EmailFragment.newInstance] factory method to
 * create an instance of this fragment.
 */
class EmailFragment : Fragment() {

private lateinit var binding: FragmentEmailBinding

    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        // Inflate the layout for this fragment
        binding = DataBindingUtil.inflate(inflater, R.layout.fragment_email, container, false)
        val name = requireArguments().getString("input_text")
        binding.submitButton.setOnClickListener {
            if (!TextUtils.isEmpty(binding.emailEditText.text.toString())) {
                val bundle = bundleOf(
                    "input_email" to binding.emailEditText.text.toString(),
                    "input_name" to name
                )
                it.findNavController()
                    .navigate(R.id.action_emailFragment_to_welcomeFragment, bundle)

            } else {
                Toast.makeText(activity, " Please, enter your email ", Toast.LENGTH_LONG).show()
            }
        }


        return binding.root

    }

}

package com.example.navdemo

import android.os.Bundle
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.databinding.DataBindingUtil
import androidx.navigation.findNavController
import com.example.navdemo.databinding.FragmentHomeBinding

class HomeFragment : Fragment() {
   private lateinit var binding: FragmentHomeBinding
    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        // Inflate the layout for this fragment
        binding = DataBindingUtil.inflate(inflater, R.layout.fragment_home, container, false)
        binding.signUpButton.setOnClickListener {
            it.findNavController().navigate(R.id.action_homeFragment_to_nameFragment)
        }
        binding.termsButton.setOnClickListener {
            it.findNavController().navigate(R.id.action_homeFragment_to_termsFragment)
        }

        return binding.root
    }

}
package com.example.navdemo

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.databinding.DataBindingUtil
import com.example.navdemo.databinding.ActivityMainBinding

class MainActivity : AppCompatActivity() {
private lateinit var binding: ActivityMainBinding

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
    binding = DataBindingUtil.setContentView(this,R.layout.activity_main)
    }
}
package com.example.navdemo

import android.os.Bundle
import android.text.TextUtils
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.core.os.bundleOf
import androidx.databinding.DataBindingUtil
import androidx.navigation.findNavController
import com.example.navdemo.databinding.FragmentNameBinding

class NameFragment : Fragment() {
   private lateinit var binding: FragmentNameBinding
    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        // Inflate the layout for this fragment
        binding = DataBindingUtil.inflate(inflater, R.layout.fragment_name, container, false)

        binding.nextButton.setOnClickListener {
            if (!TextUtils.isEmpty(binding.nameEditText.text.toString())) {
                var bundle = bundleOf(
                    "input_text" to binding.nameEditText.text.toString()
                )
                it.findNavController().navigate(R.id.action_nameFragment_to_emailFragment, bundle)
            } else {
                Toast.makeText(activity, "User Name cannot be empty", Toast.LENGTH_LONG).show()
            }
        }

        return binding.root
    }
}

package com.example.navdemo

import android.os.Bundle
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup

class TermsFragment : Fragment() {
    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        // Inflate the layout for this fragment
        return inflater.inflate(R.layout.fragment_terms, container, false)
    }
}

package com.example.navdemo

import android.os.Bundle
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import androidx.databinding.DataBindingUtil
import androidx.navigation.findNavController
import com.example.navdemo.databinding.FragmentWelcomeBinding


class WelcomeFragment : Fragment() {
private lateinit var binding: FragmentWelcomeBinding
    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        // Inflate the layout for this fragment
        binding = DataBindingUtil.inflate(inflater, R.layout.fragment_welcome, container, false)
        val name = requireArguments().getString("input_name")
        val email = requireArguments().getString("input_email")
        binding.nameTextView.text = name
        binding.emailTextView.text = email
        binding.viewTermsButton.setOnClickListener {
            it.findNavController().navigate(R.id.action_welcomeFragment_to_termsFragment)
        }
        return binding.root
    }

}
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:shareInterpolator="false">
    <scale android:interpolator="@android:anim/accelerate_decelerate_interpolator"
        android:fromXScale="1.0"
        android:toXScale="1.4"
        android:fromYScale="1.0"
        android:toYScale="0.6"
        android:pivotX="50%"
        android:pivotY="50%"
        android:fillAfter="false"
        android:duration="700" />
    <set android:interpolator="@android:anim/accelerate_interpolator"
        android:startOffset="700">
        <scale android:fromXScale="1.4"
            android:toXScale="0.0"
            android:fromYScale="0.6"
            android:toYScale="0.0"
            android:pivotX="50%"
            android:pivotY="50%"
            android:duration="400" />
        <rotate android:fromDegrees="0"
            android:toDegrees="-45"
            android:toYScale="0.0"
            android:pivotX="50%"
            android:pivotY="50%"
            android:duration="400" />
    </set>
</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate android:fromYDelta="-100%p" android:toYDelta="0" android:duration="1000"/>
    <alpha android:fromAlpha="0.0" android:toAlpha="1.0" android:duration="1000" />
</set>
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate android:fromYDelta="0" android:toYDelta="100%p" android:duration="1000" />
    <alpha android:fromAlpha="1.0" android:toAlpha="0.0" android:duration="1000" />

</set>
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate android:fromYDelta="100%p" android:toYDelta="0" android:duration="1000"/>
    <alpha android:fromAlpha="0.0" android:toAlpha="1.0" android:duration="1000" />

</set>
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <translate android:fromYDelta="0" android:toYDelta="-100%p" android:duration="1000"/>
    <alpha android:fromAlpha="1.0" android:toAlpha="0.0" android:duration="1000" />

</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:shareInterpolator="false" >
    <translate android:duration="1000" android:fromXDelta="-100%" android:toXDelta="0%"/>
    <alpha android:duration="1000" android:fromAlpha="0.0" android:toAlpha="1.0" />
</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:shareInterpolator="false" >
    <translate android:duration="1000" android:fromXDelta="100%" android:toXDelta="0%" />
    <alpha android:duration="1000" android:fromAlpha="0.0" android:toAlpha="1.0" />
</set>
<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:shareInterpolator="false" >
    <translate android:duration="1000" android:fromXDelta="0%" android:toXDelta="-100%"/>
    <alpha android:duration="1000" android:fromAlpha="1.0" android:toAlpha="0.0" />
</set>

<?xml version="1.0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
    android:shareInterpolator="false" >
    <translate android:duration="1000" android:fromXDelta="0%" android:toXDelta="100%"/>
    <alpha android:duration="1000" android:fromAlpha="1.0" android:toAlpha="0.0" />
</set>
<?xml version="1.0" encoding="utf-8"?>
<layout 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">

    <androidx.constraintlayout.widget.ConstraintLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".MainActivity">

        <androidx.fragment.app.FragmentContainerView android:id="@+id/fragment"
            android:name="androidx.navigation.fragment.NavHostFragment"
            android:layout_width="0dp"
            android:layout_height="0dp"
            android:layout_marginStart="1dp"
            android:layout_marginTop="1dp"
            android:layout_marginEnd="1dp"
            android:layout_marginBottom="1dp"
            app:defaultNavHost="true"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:navGraph="@navigation/nav_graph" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>

<?xml version="1.0" encoding="utf-8"?>
<layout>
    <androidx.constraintlayout.widget.ConstraintLayout
        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:id="@+id/frameLayout4"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".EmailFragment">

        <TextView android:id="@+id/email_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Enter your email"
            android:textSize="36sp"
            android:textStyle="bold"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.139" />

        <EditText android:id="@+id/email_edit_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:ems="10"
            android:inputType="textPersonName"
            android:textSize="36sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.285" />

        <Button android:id="@+id/submit_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Submit"
            android:textSize="36sp"
            android:textStyle="bold"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>
<?xml version="1.0" encoding="utf-8"?>
<layout>
    <androidx.constraintlayout.widget.ConstraintLayout
        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:id="@+id/frameLayout"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".HomeFragment">

        <Button android:id="@+id/sign_up_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Sign Up"
            android:textSize="36sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.497"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.232" />

        <Button android:id="@+id/terms_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginBottom="16dp"
            android:text="Terms"
            android:textSize="36sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.498"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.511" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>

<?xml version="1.0" encoding="utf-8"?>
<layout 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">
    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/frameLayout3"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".NameFragment">

        <!-- TODO: Update blank fragment layout -->
        <TextView android:id="@+id/textView2"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Enter Your Name"
            android:textSize="36sp"
            android:textStyle="bold"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.405"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.112" />

        <EditText android:id="@+id/name_edit_text"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:ems="10"
            android:inputType="textPersonName"
            android:textSize="36sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.265" />

        <Button android:id="@+id/next_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Next>"
            android:textAlignment="center"
            android:textSize="36sp"
            android:textStyle="bold"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            android:gravity="center_horizontal" />


    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
    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:id="@+id/frameLayout2"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".TermsFragment" >

<TextView android:id="@+id/textView"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/terms_and_conditions"
android:textSize="36sp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.182" />

<TextView android:id="@+id/textView2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/terms_and_conditions"
android:textSize="36sp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.491"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.379" />

<TextView android:id="@+id/textView3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/terms_and_conditions"
android:textSize="36sp"
android:textStyle="bold"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.491"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_bias="0.571" />
</androidx.constraintlayout.widget.ConstraintLayout>

<?xml version="1.0" encoding="utf-8"?>
<layout 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">
    <androidx.constraintlayout.widget.ConstraintLayout
        android:id="@+id/frameLayout5"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".WelcomeFragment">


        <TextView android:id="@+id/textView4"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="Welcome"
            android:textSize="36sp"
            android:textStyle="bold"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.251" />

        <TextView android:id="@+id/name_text_view"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="24sp"
            android:textStyle="bold"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.41" />

        <TextView android:id="@+id/email_text_view"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:textSize="24sp"
            android:textStyle="bold"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.554" />

        <Button android:id="@+id/view_terms_button"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="View Terms"
            android:textSize="24sp"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent"
            app:layout_constraintHorizontal_bias="0.53"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent"
            app:layout_constraintVertical_bias="0.748" />

    </androidx.constraintlayout.widget.ConstraintLayout>
</layout>
<?xml version="1.0" encoding="utf-8"?>
<navigation 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:id="@+id/nav_graph.xml"
    app:startDestination="@id/homeFragment">

    <fragment
        android:id="@+id/homeFragment"
        android:name="com.example.navdemo.HomeFragment"
        android:label="fragment_home"
        tools:layout="@layout/fragment_home" />
    <action android:id="@+id/action_homeFragment_to_nameFragment"
        app:destination="@id/nameFragment"
        app:enterAnim="@anim/slide_in_left"
        app:exitAnim="@anim/slide_in_right"
        app:popEnterAnim="@anim/slide_out_right"
        app:popExitAnim="@anim/slide_out_left" />
    <action android:id="@+id/action_homeFragment_to_termsFragment"
        app:destination="@id/termsFragment"
        app:enterAnim="@anim/push_down_in"
        app:exitAnim="@anim/push_down_out"
        app:popEnterAnim="@anim/push_up_in"
        app:popExitAnim="@anim/push_up_out" />

    <fragment
        android:id="@+id/emailFragment"
        android:name="com.example.navdemo.EmailFragment"
        android:label="fragment_email"
        tools:layout="@layout/fragment_email" />
    <action android:id="@+id/action_emailFragment_to_welcomeFragment"
        app:destination="@id/welcomeFragment"
        app:enterAnim="@anim/slide_in_left"
        app:exitAnim="@anim/slide_in_right"
        app:popEnterAnim="@anim/slide_out_right"
        app:popExitAnim="@anim/slide_out_left" />

    <fragment
        android:id="@+id/nameFragment"
        android:name="com.example.navdemo.NameFragment"
        android:label="fragment_name"
        tools:layout="@layout/fragment_name" />
    <action android:id="@+id/action_nameFragment_to_emailFragment"
        app:destination="@id/emailFragment"
        app:enterAnim="@anim/slide_in_left"
        app:exitAnim="@anim/slide_in_right"
        app:popEnterAnim="@anim/slide_out_right"
        app:popExitAnim="@anim/slide_out_left" />
    <fragment
        android:id="@+id/termsFragment"
        android:name="com.example.navdemo.TermsFragment"
        android:label="fragment_terms"
        tools:layout="@layout/fragment_terms" />
    <fragment
        android:id="@+id/welcomeFragment"
        android:name="com.example.navdemo.WelcomeFragment"
        android:label="fragment_welcome"
        tools:layout="@layout/fragment_welcome" />
    <action android:id="@+id/action_welcomeFragment_to_termsFragment"
        app:destination="@id/termsFragment"
        app:enterAnim="@anim/push_down_in"
        app:exitAnim="@anim/push_down_out"
        app:popEnterAnim="@anim/push_up_in"
        app:popExitAnim="@anim/push_up_out" />

</navigation>

Tech and Digital Media

Tuesday, May 25, 2021

【ANDROID STUDIO】navigation

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