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SubhamTyagiSubhamTyagi
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‎.gitignore

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# Built application files
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*.apk
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*.ap_
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*.ab_
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# Jar and Aar file
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*.jar
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*.aar
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app/libs/*.aar
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app/libs/*.jar
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app/src/release/*.json
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# Files for the ART/Dalvik VM
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*.dex
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# Java class files
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*.class
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# Generated files
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bin/
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gen/
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out/
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# Gradle files
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.gradle/
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build/
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# Local configuration file (sdk path, etc)
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local.properties
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# Proguard folder generated by Eclipse
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proguard/
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# Log Files
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*.log
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# Android Studio Navigation editor temp files
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.navigation/
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# Android Studio captures folder
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captures/
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# IntelliJ
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*.iml
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.idea/workspace.xml
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.idea/tasks.xml
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.idea/gradle.xml
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.idea/assetWizardSettings.xml
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.idea/dictionaries
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.idea/libraries
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.idea/caches
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.idea/*.*
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.idea/*
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.idea/
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.idea/*.xml
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.idea/copyright/
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.idea/copyright/*
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.idea/copyright/profiles_settings.xml
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# Keystore files
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# Uncomment the following line if you do not want to check your keystore files in.
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*.jks
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# External native build folder generated in Android Studio 2.2 and later
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.externalNativeBuild
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# Google Services (e.g. APIs or Firebase)
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google-services.json
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*.json
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# Freeline
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freeline.py
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freeline/
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freeline_project_description.json
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# fastlane
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fastlane/report.xml
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fastlane/Preview.html
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fastlane/screenshots
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fastlane/test_output
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fastlane/readme.md
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# Zip file
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*.zip
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*.rar
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*.gz
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*.tz
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#heap dump file
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*.hprof
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*.alloc
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# sha file
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*.sha
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‎app/.gitignore

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/build

‎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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compileSdkVersion 31
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defaultConfig {
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applicationId "io.github.subhamtyagi.quickcalculation"
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//multiDexEnabled true
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minSdkVersion 16
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targetSdkVersion 31
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versionCode 1
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versionName "1.0"
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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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//coreLibraryDesugaringEnabled true
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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:1.4.1'
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implementation 'com.google.android.material:material:1.5.0'
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implementation 'androidx.constraintlayout:constraintlayout:2.1.3'
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implementation 'androidx.gridlayout:gridlayout:1.0.0'
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//coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.5'
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}

‎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
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-repackageclasses
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-allowaccessmodification
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#-flattenpackagehierarchy
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-dontskipnonpubliclibraryclasses

‎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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package="io.github.subhamtyagi.quickcalculation">
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<uses-permission android:name="android.permission.VIBRATE" />
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<application
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android:allowBackup="true"
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android:icon="@mipmap/ic_launcher"
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android:label="@string/app_name"
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android:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.QuickCalculation">
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<activity android:name=".QuizActivity"
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android:theme="@style/Theme.QuickCalculation"
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android:exported="true"/>
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<activity
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android:name=".LaunchActivity"
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android:label="@string/app_name"
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android:exported="true"
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android:theme="@style/Theme.QuickCalculation">
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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>

‎app/src/main/java/io/github/subhamtyagi/quickcalculation/LaunchActivity.java

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package io.github.subhamtyagi.quickcalculation;
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import android.content.Intent;
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import android.os.Bundle;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.ArrayAdapter;
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import android.widget.EditText;
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import android.widget.Spinner;
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import android.widget.Toast;
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import androidx.appcompat.app.AppCompatActivity;
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import io.github.subhamtyagi.quickcalculation.utils.Constants;
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import io.github.subhamtyagi.quickcalculation.utils.CrashUtils;
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public class LaunchActivity extends AppCompatActivity {
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private Spinner operationsSpinner, timerSpinner;
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private String operationName = "multiply", timer = "30";
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private EditText lower1, lower2, upper1, upper2;
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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_launch);
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new CrashUtils(getApplicationContext(), "");
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operationsSpinner = findViewById(R.id.spinner_operator);
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timerSpinner = findViewById(R.id.spinner_timer);
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lower1 = findViewById(R.id.et_range1_lower);
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lower2 = findViewById(R.id.et_range2_lower);
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upper1 = findViewById(R.id.et_range1_upper);
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upper2 = findViewById(R.id.et_range2_upper);
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setAdapters();
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operationsSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
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@Override
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public void onItemSelected(AdapterView<?> adapterView, View view, int position, long l) {
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switch (position) {
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case 0:
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operationName = "sum";
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break;
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case 1:
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operationName = "subtract";
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break;
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case 2:
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operationName = "multiply";
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break;
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default:
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operationName = "simplification";
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}
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}
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@Override
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public void onNothingSelected(AdapterView<?> adapterView) {
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}
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});
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timerSpinner.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
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@Override
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public void onItemSelected(AdapterView<?> adapterView, View view, int position, long l) {
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switch (position) {
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case 0:
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timer = "30";
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break;
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case 1:
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timer = "45";
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break;
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case 2:
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timer = "60";
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break;
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case 3:
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timer = "90";
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break;
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case 4:
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timer = "120";
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break;
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}
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}
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@Override
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public void onNothingSelected(AdapterView<?> adapterView) {
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}
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});
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findViewById(R.id.btn_start).setOnClickListener(view -> {
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Intent i = new Intent(this, QuizActivity.class);
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i.putExtra(Constants.OPERATIONS, operationName);
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i.putExtra(Constants.TIME, timer);
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String l1 = getValueOf(lower1),
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l2 = getValueOf(lower2),
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u2 = getValueOf(upper2),
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u1 = getValueOf(upper1);
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if (l1 == null) {
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lower1.requestFocus();
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} else if (u1 == null) {
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upper1.requestFocus();
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} else if (l2 == null) {
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lower2.requestFocus();
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} else if (u2 == null) {
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upper2.requestFocus();
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} else {
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int iL1=Integer.parseInt(l1);
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int iL2=Integer.parseInt(l2);
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int iU1=Integer.parseInt(u1);
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int iU2=Integer.parseInt(u2);
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if (iU2 > iL2) {
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if (iU1 > iL1) {
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i.putExtra(Constants.LOWER_1, iL1);
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i.putExtra(Constants.LOWER_2, iL2);
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i.putExtra(Constants.UPPER_2, iU2);
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i.putExtra(Constants.UPPER_1, iU1);
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startActivity(i);
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overridePendingTransition(android.R.anim.cycle_interpolator, android.R.anim.fade_out);
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} else{
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upper1.requestFocus();
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Toast.makeText(this, getResources().getString(R.string.upper_value_must_be_greater), Toast.LENGTH_SHORT).show();
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}
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}else{
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upper2.requestFocus();
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Toast.makeText(this, getResources().getString(R.string.upper_value_must_be_greater), Toast.LENGTH_SHORT).show();
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}
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}
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});
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}
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public void setAdapters() {
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ArrayAdapter<CharSequence> opAdapter;
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opAdapter = ArrayAdapter.createFromResource(this, R.array.Operations, android.R.layout.simple_spinner_item);
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opAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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ArrayAdapter<CharSequence> timerAdapter = ArrayAdapter.createFromResource(this, R.array.Timer, android.R.layout.simple_spinner_item);
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timerAdapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
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operationsSpinner.setAdapter(opAdapter);
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timerSpinner.setAdapter(timerAdapter);
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}
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String getValueOf(EditText editText) {
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String string = editText.getText().toString();
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if (string.isEmpty())
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return null;
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else return string;
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}
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@Override
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public boolean onCreateOptionsMenu(Menu menu) {
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getMenuInflater().inflate(R.menu.menu_main, menu);
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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int id = item.getItemId();
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if (id == R.id.action_settings) {
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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}

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