Navigation components

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+ id 'com.android.application'
+ id 'kotlin-android'
+ id 'androidx.navigation.safeargs.kotlin'
+}
+
+android {
+ compileSdk 31
+
+ defaultConfig {
+ applicationId "com.dsc.dscnavigationcomponentssession"
+ minSdk 21
+ targetSdk 31
+ versionCode 1
+ versionName "1.0"
+
+ testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+ }
+
+ buildTypes {
+ release {
+ minifyEnabled false
+ proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+ }
+ }
+ compileOptions {
+ sourceCompatibility JavaVersion.VERSION_1_8
+ targetCompatibility JavaVersion.VERSION_1_8
+ }
+ kotlinOptions {
+ jvmTarget = '1.8'
+ }
+}
+
+dependencies {
+
+ implementation 'androidx.core:core-ktx:1.6.0'
+ implementation 'androidx.appcompat:appcompat:1.3.1'
+ implementation 'com.google.android.material:material:1.4.0'
+ implementation 'androidx.constraintlayout:constraintlayout:2.1.1'
+
+ //Navigation Components
+ implementation "androidx.navigation:navigation-fragment-ktx:2.3.5"
+ implementation "androidx.navigation:navigation-ui-ktx:2.3.5"
+
+ implementation 'androidx.legacy:legacy-support-v4:1.0.0'
+ testImplementation 'junit:junit:4.+'
+ androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+ androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+# http:https://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+# public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/src/androidTest/java/com/dsc/dscnavigationcomponentssession/ExampleInstrumentedTest.kt

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+package com.dsc.dscnavigationcomponentssession
+
+import androidx.test.platform.app.InstrumentationRegistry
+import androidx.test.ext.junit.runners.AndroidJUnit4
+
+import org.junit.Test
+import org.junit.runner.RunWith
+
+import org.junit.Assert.*
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * See [testing documentation](http:https://d.android.com/tools/testing).
+ */
+@RunWith(AndroidJUnit4::class)
+class ExampleInstrumentedTest {
+ @Test
+ fun useAppContext() {
+ // Context of the app under test.
+ val appContext = InstrumentationRegistry.getInstrumentation().targetContext
+ assertEquals("com.dsc.dscnavigationcomponentssession", appContext.packageName)
+ }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http:https://schemas.android.com/apk/res/android"
+ package="com.dsc.dscnavigationcomponentssession">
+
+ <application
+ android:allowBackup="true"
+ android:icon="@mipmap/ic_launcher"
+ android:label="@string/app_name"
+ android:roundIcon="@mipmap/ic_launcher_round"
+ android:supportsRtl="true"
+ android:theme="@style/Theme.DSCNavigationComponentsSession">
+ <activity
+ android:name=".MainActivity"
+ android:exported="true">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+ </application>
+
+</manifest>

app/src/main/java/com/dsc/dscnavigationcomponentssession/EndgameFragment.kt

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+package com.dsc.dscnavigationcomponentssession
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import androidx.fragment.app.Fragment
+import androidx.navigation.fragment.findNavController
+
+
+class EndgameFragment : Fragment() {
+
+ override fun onCreateView(
+ inflater: LayoutInflater, container: ViewGroup?,
+ savedInstanceState: Bundle?
+ ): View? {
+ return inflater.inflate(R.layout.fragment_endgame, container, false)
+ }
+
+ override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+ super.onViewCreated(view, savedInstanceState)
+ /**
+ * You can navigate using destinations, actions and safe args
+ * Uncomment & comment parts to see functionality in isolation.
+ * Safe args is the recommended way
+ * */
+ val button = view.findViewById<Button>(R.id.restartGameButton)
+ button?.setOnClickListener {
+ //1.navigating using actions
+
+ findNavController().navigate(R.id.action_endgameFragment_to_startFragment, null)
+
+ //2.navigating using safe Args
+
+ //val actions = EndgameFragmentDirections.actionEndgameFragmentToStartFragment()
+ //findNavController().navigate(actions)
+ }
+ }
+}

app/src/main/java/com/dsc/dscnavigationcomponentssession/GameFragment.kt

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+package com.dsc.dscnavigationcomponentssession
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import android.widget.Toast
+import androidx.fragment.app.Fragment
+import androidx.navigation.fragment.findNavController
+import androidx.navigation.fragment.navArgs
+
+class GameFragment : Fragment() {
+
+ //Declare this to be able to access sent data
+ val args: GameFragmentArgs by navArgs()
+
+ override fun onCreateView(
+ inflater: LayoutInflater, container: ViewGroup?,
+ savedInstanceState: Bundle?
+ ): View? {
+ //receiving sent data
+ val number = args.number
+ Toast.makeText(context, number.toString(), Toast.LENGTH_LONG).show()
+ return inflater.inflate(R.layout.fragment_game, container, false)
+ }
+
+ override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+ super.onViewCreated(view, savedInstanceState)
+
+ val button = view.findViewById<Button>(R.id.finishGameButton)
+ button?.setOnClickListener {
+ /**
+ * You can navigate using destinations, actions and safe args
+ * Uncomment & comment parts to see functionality in isolation.
+ * Safe args is the recommended way to send data between destination and nvaigating
+ * */
+
+ //1.navigating using actions
+
+ //able to add transition animations in XML rather in porgrammatically
+ findNavController().navigate(R.id.action_gameFragment_to_endgameFragment, null)
+
+ //2.navigating using safe Args
+
+ //val actions = GameFragmentDirections.actionGameFragmentToEndgameFragment()
+ //findNavController().navigate(actions)
+ }
+ }
+
+}

app/src/main/java/com/dsc/dscnavigationcomponentssession/MainActivity.kt

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+package com.dsc.dscnavigationcomponentssession
+
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+
+class MainActivity : AppCompatActivity() {
+ override fun onCreate(savedInstanceState: Bundle?) {
+ super.onCreate(savedInstanceState)
+ setContentView(R.layout.activity_main)
+ }
+}

app/src/main/java/com/dsc/dscnavigationcomponentssession/StartFragment.kt

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+package com.dsc.dscnavigationcomponentssession
+
+import android.os.Bundle
+import androidx.fragment.app.Fragment
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import android.widget.Button
+import androidx.navigation.fragment.findNavController
+import androidx.navigation.fragment.navArgs
+import androidx.navigation.navOptions
+
+class StartFragment : Fragment() {
+
+ override fun onCreateView(
+ inflater: LayoutInflater, container: ViewGroup?,
+ savedInstanceState: Bundle?
+ ): View? {
+ return inflater.inflate(R.layout.fragment_start, container, false)
+ }
+
+ override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+ super.onViewCreated(view, savedInstanceState)
+ val button = view.findViewById<Button>(R.id.startGameButton)
+ button?.setOnClickListener {
+ /**
+ * You can navigate using destinations, actions and safe args
+ * Uncomment & comment parts to see functionality in isolation.
+ * Safe args is the recommended way
+ * */
+
+ //1.navigating using actions
+
+ findNavController().navigate(R.id.action_startFragment_to_gameFragment, null)
+
+ //2.navigating using safe Args
+
+ //val actions = StartFragmentDirections.actionStartFragmentToGameFragment()
+ //findNavController().navigate(actions)
+
+ //3.sending data to another fragment using safe args
+
+ //val numberArg = 1
+ //val action = StartFragmentDirections.actionStartFragmentToGameFragment(numberArg)
+ //findNavController().navigate(action)
+ }
+ }
+}

app/src/main/res/anim/fade_in.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http:https://schemas.android.com/apk/res/android">
+ <alpha
+ android:duration="@android:integer/config_mediumAnimTime"
+ android:fromAlpha="0.0"
+ android:toAlpha="1.0"/>
+</set>

app/src/main/res/anim/fade_out.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http:https://schemas.android.com/apk/res/android">
+ <alpha
+ android:duration="@android:integer/config_mediumAnimTime"
+ android:fromAlpha="1.0"
+ android:toAlpha="0.0"/>
+</set>

app/src/main/res/anim/slide_in_left.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http:https://schemas.android.com/apk/res/android">
+ <translate android:fromXDelta="-100%" android:toXDelta="0%"
+ android:fromYDelta="0%" android:toYDelta="0%"
+ android:duration="700"/>
+</set>

app/src/main/res/anim/slide_in_right.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http:https://schemas.android.com/apk/res/android">
+ <translate android:fromXDelta="100%" android:toXDelta="0%"
+ android:fromYDelta="0%" android:toYDelta="0%"
+ android:duration="700"/>
+</set>

app/src/main/res/anim/slide_out_left.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<set xmlns:android="http:https://schemas.android.com/apk/res/android">
+ <translate android:fromXDelta="0%" android:toXDelta="-100%"
+ android:fromYDelta="0%" android:toYDelta="0%"
+ android:duration="700"/>
+</set>