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ex7, ex9
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‎Ex7_Android_App_Using_Fragment/.gitignore

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

‎Ex7_Android_App_Using_Fragment/app/.gitignore

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/build

‎Ex7_Android_App_Using_Fragment/app/build.gradle

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plugins {
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id 'com.android.application'
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}
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android {
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namespace 'com.instilllearning.ex7'
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compileSdk 33
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defaultConfig {
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applicationId "com.instilllearning.ex7"
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minSdk 28
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targetSdk 33
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versionCode 1
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versionName "1.0"
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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compileOptions {
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sourceCompatibility JavaVersion.VERSION_1_8
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targetCompatibility JavaVersion.VERSION_1_8
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}
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}
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dependencies {
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implementation 'androidx.appcompat:appcompat:1.6.1'
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implementation 'com.google.android.material:material:1.8.0'
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implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
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testImplementation 'junit:junit:4.13.2'
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androidTestImplementation 'androidx.test.ext:junit:1.1.5'
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androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
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}

‎Ex7_Android_App_Using_Fragment/app/proguard-rules.pro

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

‎Ex7_Android_App_Using_Fragment/app/src/androidTest/java/com/instilllearning/ex7/ExampleInstrumentedTest.java

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package com.instilllearning.ex7;
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import android.content.Context;
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import androidx.test.platform.app.InstrumentationRegistry;
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import androidx.test.ext.junit.runners.AndroidJUnit4;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import static org.junit.Assert.*;
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/**
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* Instrumented test, which will execute on an Android device.
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*
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* @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
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*/
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@RunWith(AndroidJUnit4.class)
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public class ExampleInstrumentedTest {
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@Test
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public void useAppContext() {
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// Context of the app under test.
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Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
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assertEquals("com.instilllearning.ex7", appContext.getPackageName());
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}
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}

‎Ex7_Android_App_Using_Fragment/app/src/main/AndroidManifest.xml

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools">
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<application
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android:allowBackup="true"
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android:dataExtractionRules="@xml/data_extraction_rules"
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android:fullBackupContent="@xml/backup_rules"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:supportsRtl="true"
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android:theme="@style/Theme.Ex7_Android_App_Using_Fragment"
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tools:targetApi="31">
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<activity
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android:name=".MainActivity"
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android:exported="true">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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</manifest>

‎Ex7_Android_App_Using_Fragment/app/src/main/java/com/instilllearning/ex7/BlueFragment.java

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package com.instilllearning.ex7;
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import android.os.Bundle;
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import androidx.fragment.app.Fragment;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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/**
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* A simple {@link Fragment} subclass.
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* Use the {@link BlueFragment#newInstance} factory method to
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* create an instance of this fragment.
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*/
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public class BlueFragment extends Fragment {
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// TODO: Rename parameter arguments, choose names that match
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// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
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private static final String ARG_PARAM1 = "param1";
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private static final String ARG_PARAM2 = "param2";
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// TODO: Rename and change types of parameters
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private String mParam1;
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private String mParam2;
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public BlueFragment() {
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// Required empty public constructor
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}
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/**
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* Use this factory method to create a new instance of
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* this fragment using the provided parameters.
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*
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* @param param1 Parameter 1.
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* @param param2 Parameter 2.
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* @return A new instance of fragment BlueFragment.
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*/
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// TODO: Rename and change types and number of parameters
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public static BlueFragment newInstance(String param1, String param2) {
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BlueFragment fragment = new BlueFragment();
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Bundle args = new Bundle();
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args.putString(ARG_PARAM1, param1);
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args.putString(ARG_PARAM2, param2);
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fragment.setArguments(args);
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return fragment;
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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if (getArguments() != null) {
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mParam1 = getArguments().getString(ARG_PARAM1);
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mParam2 = getArguments().getString(ARG_PARAM2);
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}
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}
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.Fragment;
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public class BlueFragment extends Fragment {
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@Nullable
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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// Inflate the layout for this fragment
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return inflater.inflate(R.layout.fragment_blue, container, false);
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public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.fragment_blue,
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container, false);
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return view;
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}
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}

‎Ex7_Android_App_Using_Fragment/app/src/main/java/com/instilllearning/ex7/MainActivity.java

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package com.instilllearning.ex7;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.fragment.app.FragmentContainerView;
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import androidx.fragment.app.FragmentManager;
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import androidx.fragment.app.FragmentTransaction;
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import android.os.Bundle;
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import android.view.View;
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import com.google.android.material.button.MaterialButton;
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public class MainActivity extends AppCompatActivity {
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FragmentContainerView fragmentContainerView;
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MaterialButton btnBlue;
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MaterialButton btnOrange;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.activity_main);
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fragmentContainerView =
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findViewById(R.id.fragmentContainer);
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btnBlue = findViewById(R.id.btnBlue);
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btnOrange = findViewById(R.id.btnOrange);
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btnBlue.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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boolean blueIsClicked = true;
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openFragment(blueIsClicked);
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}
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});
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btnOrange.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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boolean blueIsClicked = false;
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openFragment(blueIsClicked);
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}
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});
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}
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private void openFragment(boolean blueIsClicked) {
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FragmentManager fragmentManager =
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getSupportFragmentManager();
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FragmentTransaction fragmentTransaction =
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fragmentManager.beginTransaction();
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if (blueIsClicked == true) {
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fragmentTransaction.replace
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(R.id.fragmentContainer, new BlueFragment());
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}
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else fragmentTransaction.replace
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(R.id.fragmentContainer, new OrangeFragment());
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fragmentTransaction.addToBackStack(null);
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fragmentTransaction.commit();
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}
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}

‎Ex7_Android_App_Using_Fragment/app/src/main/java/com/instilllearning/ex7/OrangeFragment.java

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package com.instilllearning.ex7;
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import android.os.Bundle;
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import androidx.fragment.app.Fragment;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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/**
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* A simple {@link Fragment} subclass.
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* Use the {@link OrangeFragment#newInstance} factory method to
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* create an instance of this fragment.
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*/
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public class OrangeFragment extends Fragment {
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// TODO: Rename parameter arguments, choose names that match
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// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
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private static final String ARG_PARAM1 = "param1";
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private static final String ARG_PARAM2 = "param2";
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// TODO: Rename and change types of parameters
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private String mParam1;
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private String mParam2;
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public OrangeFragment() {
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// Required empty public constructor
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}
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/**
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* Use this factory method to create a new instance of
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* this fragment using the provided parameters.
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*
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* @param param1 Parameter 1.
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* @param param2 Parameter 2.
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* @return A new instance of fragment OrangeFragment.
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*/
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// TODO: Rename and change types and number of parameters
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public static OrangeFragment newInstance(String param1, String param2) {
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OrangeFragment fragment = new OrangeFragment();
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Bundle args = new Bundle();
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args.putString(ARG_PARAM1, param1);
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args.putString(ARG_PARAM2, param2);
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fragment.setArguments(args);
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return fragment;
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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if (getArguments() != null) {
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mParam1 = getArguments().getString(ARG_PARAM1);
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mParam2 = getArguments().getString(ARG_PARAM2);
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}
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}
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.Fragment;
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public class OrangeFragment extends Fragment {
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@Nullable
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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// Inflate the layout for this fragment
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return inflater.inflate(R.layout.fragment_orange, container, false);
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public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.fragment_orange, container, false);
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return view;
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}
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}

‎Ex7_Android_App_Using_Fragment/app/src/main/res/drawable-v24/ic_launcher_foreground.xml

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<vector xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:aapt="http://schemas.android.com/aapt"
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android:width="108dp"
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android:height="108dp"
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android:viewportWidth="108"
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android:viewportHeight="108">
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<path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
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<aapt:attr name="android:fillColor">
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<gradient
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android:endX="85.84757"
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android:endY="92.4963"
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android:startX="42.9492"
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android:startY="49.59793"
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android:type="linear">
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<item
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android:color="#44000000"
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android:offset="0.0" />
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<item
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android:color="#00000000"
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android:offset="1.0" />
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</gradient>
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</aapt:attr>
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</path>
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<path
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android:fillColor="#FFFFFF"
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android:fillType="nonZero"
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android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
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android:strokeWidth="1"
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android:strokeColor="#00000000" />
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</vector>

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