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Merge pull request #261 from bibhanshu12/main
BMI Calculator Application
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‎README.md

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# Java Projects Collections🔥
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<img width="1440" alt="image" src="https://github.com/kishanrajput23/Java-Projects-Collections/assets/70385488/d726ecd1-103b-473e-9b4c-a9c07045614e">
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<div align="center">
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[![Open Source Love](https://firstcontributions.github.io/open-source-badges/badges/open-source-v1/open-source.svg)](https://github.com/kishanrajput23/Hacktoberfest-2023)
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<img src="https://img.shields.io/badge/HacktoberFest-2023-blueviolet" alt="Hacktober Badge"/>
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<img src="https://img.shields.io/static/v1?label=%E2%AD%90&message=If%20Useful&style=style=flat&color=BC4E99" alt="Star Badge"/>
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<a href="https://github.com/kishanrajput23" ><img src="https://img.shields.io/badge/Contributions-welcome-green.svg?style=flat&logo=github" alt="Contributions" /></a>
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</div>
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### This repository aims to help code beginners with their first successful pull request and open source contribution. :partying_face:
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:star: Feel free to use this project to make your first contribution to an open-source project on GitHub. Practice making your first pull request to a public repository before doing the real thing!
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:star: Make sure to grab some cool swags during Hacktoberfest by getting involved in the open-source community.
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### This repository is open to all members of the GitHub community. Any member can contribute to this project! :grin:
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## What is Hacktoberfest? :thinking:
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A month-long celebration from October 1st to October 31st presented by [Digital Ocean](https://hacktoberfest.digitalocean.com/) and [DEV Community](https://dev.to/) collaborated with [GitHub](https://github.com/blog/2433-celebrate-open-source-this-october-with-hacktoberfest) to get people involved in [Open Source](https://github.com/open-source). Create your very first pull request to any public repository on GitHub and contribute to the open-source developer community.
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[https://hacktoberfest.digitalocean.com/](https://hacktoberfest.digitalocean.com/)
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## Rules :fire:
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To qualify for the __official limited edition Hacktoberfest shirt__, you must register [here](https://hacktoberfest.digitalocean.com/) and make four Pull Requests (PRs) between October 1-31, 2022 (in any time zone). PRs can be made to any public repository on GitHub, not only the ones with issues labeled Hacktoberfest. This year, the __first 40,000__ participants who complete Hacktoberfest can elect to receive one of two prizes: a tree planted in their name, or the Hacktoberfest 2022 t-shirt.
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## Steps to follow :scroll:
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### Tip : Complete this process in GitHub (in your browser)
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```mermaid
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flowchart LR
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Fork[Fork the project]-->branch[Create a New Branch]
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branch-->Edit[Edit file]
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Edit-->commit[Commit the changes]
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commit -->|Finally|creatpr((Create a Pull Request))
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```
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Star the repository by pressing the topmost-right button to start your wonderful journey.
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## Awesome contributors :star_struck:
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<a href="https://github.com/kishanrajput23/Java-Projects-Collections/graphs/contributors">
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<img src="https://contributors-img.web.app/image?repo=kishanrajput23/Java-Projects-Collections" />
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</a>
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Made with [contributors-img](https://contributors-img.web.app).
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## Help Contributing Guides :crown:
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We love to have `articles` and `codes` in different languages and the `betterment` of existing ones.
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Please discuss it with us first by creating a new issue.
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:tada: :confetti_ball: :smiley: _**Happy Contributing**_ :smiley: :confetti_ball: :tada:
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## Author 🙋‍♂️ : [Find Me Here](https://linktr.ee/kishan_rajput23)
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# BMI-Calculator-App
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This is a simple android app to calculate BMI built using Java.

‎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.bibo.bmicalculator'
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compileSdk 33
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defaultConfig {
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applicationId "com.bibo.bmicalculator"
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minSdk 24
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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:1.5.0'
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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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}

‎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

‎app/src/androidTest/java/com/bibo/bmicalculator/ExampleInstrumentedTest.java

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package com.bibo.bmicalculator;
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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.bibo.bmicalculator", appContext.getPackageName());
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}
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}

‎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:roundIcon="@mipmap/ic_launcher_round"
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android:supportsRtl="true"
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android:theme="@style/Theme.BmiCalculator"
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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>

‎app/src/main/ic_launcher-playstore.png

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‎app/src/main/java/com/bibo/bmicalculator/MainActivity.java

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package com.bibo.bmicalculator;
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import androidx.appcompat.app.AppCompatActivity;
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import android.annotation.SuppressLint;
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import android.os.Bundle;
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import android.view.View;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.LinearLayout;
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import android.widget.TextView;
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public class MainActivity extends AppCompatActivity {
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@SuppressLint({"MissingInflatedId", "SetTextI18n"})
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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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EditText edtweight, edtage,edtheightft,edtheightIn,edtname;
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Button button1;
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TextView result;
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LinearLayout llmaincolor;
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edtweight=findViewById(R.id.edtweight);
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// edtage=findViewById(R.id.edtage);
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// edtname=findViewById(R.id.edtname);
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edtheightft=findViewById(R.id.edtheightft);
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edtheightIn=findViewById(R.id.edtheightin);
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button1=findViewById(R.id.but1);
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llmaincolor=findViewById(R.id.llmain);
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result=findViewById(R.id.result);
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button1.setOnClickListener(view -> {
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int wt=Integer.parseInt(edtweight.getText().toString());
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int In=Integer.parseInt(edtheightIn.getText().toString());
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int ft=Integer.parseInt(edtheightft.getText().toString());
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// String name=edtname.getText().toString();
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// int age=Integer.parseInt(edtage.getText().toString());
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// double hegFt=ft*12*2.54*0.01;
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// double hegIn=In*2.54*0.01;
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int totalIn=ft*12+In;
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double total_height_meter=totalIn*2.54*0.01;
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double res= wt/(total_height_meter*total_height_meter);
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if (wt>0 && ft>0 ) {
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if (res>25){
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result.setText("You are overweight!.");
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llmaincolor.setBackgroundColor(getResources().getColor(R.color.llmain));
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}else if(res<18){
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result.setText("your are underweight!.");
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llmaincolor.setBackgroundColor(getResources().getColor(R.color.llmainlessweight));
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}else{
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result.setText("You are healthy!");
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llmaincolor.setBackgroundColor(getResources().getColor(R.color.llmainhealthy));
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}
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}else{
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if (wt<=0 && ft>0){
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result.setText("Body Weight should not be 0. ");
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} else if (ft<=0 && wt>=0) {
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result.setText("Height should not be 0 ");
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} else {
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result.setText("Body Weight and Height should not be 0 ");
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}
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}});
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}
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}

‎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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