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activity_main.xml:

<?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:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

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dependencies {

    implementation("androidx.core:core-ktx:1.12.0")
    implementation("androidx.appcompat:appcompat:1.6.1")
    implementation("com.google.android.material:material:1.10.0")
    implementation("androidx.constraintlayout:constraintlayout:2.1.4")
    testImplementation("junit:junit:4.13.2")
    androidTestImplementation("androidx.test.ext:junit:1.1.5")
    androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
    implementation ("org.jetbrains:annotations:12.0")

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MainActivity.kt:

package com.iliyadev.todo2

import android.annotation.SuppressLint
import android.content.Intent
import android.os.Bundle
import android.widget.ListView
import androidx.appcompat.app.AppCompatActivity
import androidx.lifecycle.Observer

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Duplicate class org.intellij.lang.annotations.Identifier found in modules annotations-12.0 (com.intellij:annotations:12.0) and annotations-13.0 (org.jetbrains:annotations:13.0)
Duplicate class org.intellij.lang.annotations.JdkConstants found in modules annotations-12.0 (com.intellij:annotations:12.0) and annotations-13.0 (org.jetbrains:annotations:13.0)
Duplicate class org.intellij.lang.annotations.JdkConstants$AdjustableOrientation found in modules annotations-12.0 (com.intellij:annotations:12.0) and annotations-13.0 (org.jetbrains:annotations:13.0)
Duplicate class org.intellij.lang.annotations.JdkConstants$BoxLayoutAxis found in modules annotations-12.0 (com.intellij:annotations:12.0) and annotations-13.0 (org.jetbrains:annotations:13.0)
Duplicate class org.intellij.lang.annotations.JdkConstants$CalendarMonth found in modules annotations-12.0 (com.intellij:annotations:12.0) and annotations-13.0 (org.jetbrains:annotations:13.0)
Duplicate class org.intellij.lang.annotations.JdkConstants$CursorType found in mo

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MainActivity:

package com.iliyadev.mvp.main

import android.content.Intent
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button
import com.iliyadev.mvp.R
import com.iliyadev.mvp.login.LoginActivity

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Activity_main.xml:

<?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:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="@color/background"
    tools:context=".MainActivity">

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MainActivity.kt:

package com.iliyadev.usermanagement

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.ArrayAdapter
import android.widget.Button
import android.widget.EditText
import android.widget.ListView

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MainActivity:

package com.iliyadev.sharedpreferences

import android.content.SharedPreferences
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.EditText

class MainActivity : AppCompatActivity() {

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MainActivity.kt:

package com.example.filepermission

import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import android.widget.Button
import android.widget.EditText
import android.widget.Toast
import java.io.BufferedReader

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Manifest::

<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
  
MainActivity:

package com.iliyadev.gallerypermission

import android.app.Activity
import android.content.Intent