another one

.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

README.md

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+# Covi_resources
+
+Android app which connects covid patients to the volunteers

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+    id 'kotlin-android'
+    id 'com.google.gms.google-services'
+}
+
+android {
+    compileSdkVersion 30
+    buildToolsVersion "30.0.3"
+
+    defaultConfig {
+        applicationId "com.example.coviresource"
+        minSdkVersion 23
+        targetSdkVersion 30
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+    buildFeatures {
+        viewBinding = true
+    }
+
+    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 "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+    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:2.1.0'
+    implementation 'com.google.firebase:firebase-auth:21.0.1'
+    testImplementation 'junit:junit:4.+'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+
+    implementation 'com.google.android.gms:play-services-location:18.0.0'
+    implementation 'com.google.android.gms:play-services-maps:17.0.0'
+
+}

app/google-services.json

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+{
+  "project_info": {
+    "project_number": "352578301512",
+    "project_id": "coviresource-e90e2",
+    "storage_bucket": "coviresource-e90e2.appspot.com"
+  },
+  "client": [
+    {
+      "client_info": {
+        "mobilesdk_app_id": "1:352578301512:android:c5c8f287d576e4052c727d",
+        "android_client_info": {
+          "package_name": "com.example.coviresource"
+        }
+      },
+      "oauth_client": [
+        {
+          "client_id": "352578301512-bbpvbno5eeq3camjuf5i1jc78ndcle70.apps.googleusercontent.com",
+          "client_type": 3
+        }
+      ],
+      "api_key": [
+        {
+          "current_key": "AIzaSyAQbWBelrms2Ae2a2l7TxwL7W1htzMjQIE"
+        }
+      ],
+      "services": {
+        "appinvite_service": {
+          "other_platform_oauth_client": [
+            {
+              "client_id": "352578301512-bbpvbno5eeq3camjuf5i1jc78ndcle70.apps.googleusercontent.com",
+              "client_type": 3
+            }
+          ]
+        }
+      }
+    }
+  ],
+  "configuration_version": "1"
+}

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://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/example/coviresource/ExampleInstrumentedTest.kt

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+package com.example.coviresource
+
+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://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.example.coviresource", appContext.packageName)
+    }
+}

app/src/debug/res/values/google_maps_api.xml

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+<resources>
+    <!--
+    TODO: Before you run your application, you need a Google Maps API key.
+
+    To get one, follow this link, follow the directions and press "Create" at the end:
+
+    https://console.developers.google.com/flows/enableapi?apiid=maps_android_backend&keyType=CLIENT_SIDE_ANDROID&r=AE:31:E8:4A:9D:49:78:11:5B:06:6E:DF:29:B7:55:95:FB:63:10:60%3Bcom.example.coviresource
+
+    You can also add your credentials to an existing key, using these values:
+
+    Package name:
+    com.example.coviresource
+
+    SHA-1 certificate fingerprint:
+    AE:31:E8:4A:9D:49:78:11:5B:06:6E:DF:29:B7:55:95:FB:63:10:60
+
+    Alternatively, follow the directions here:
+    https://developers.google.com/maps/documentation/android/start#get-key
+
+    Once you have your key (it starts with "AIza"), replace the "google_maps_key"
+    string in this file.
+    -->
+    <string name="google_maps_key" templateMergeStrategy="preserve" translatable="false">AIzaSyCoBApGHSoM96yXhgci02-uHhOgWoGAOmk</string>
+</resources>

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.coviresource">
+    <!--
+         The ACCESS_COARSE/FINE_LOCATION permissions are not required to use
+         Google Maps Android API v2, but you must specify either coarse or fine
+         location permissions for the "MyLocation" functionality.
+    -->
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
+
+    <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.CoviResource">
+        <activity android:name=".MapsActivity">
+
+
+        </activity>
+        <!--
+             The API key for Google Maps-based APIs is defined as a string resource.
+             (See the file "res/values/google_maps_api.xml").
+             Note that the API key is linked to the encryption key used to sign the APK.
+             You need a different API key for each encryption key, including the release key that is used to
+             sign the APK for publishing.
+             You can define the keys for the debug and release targets in src/debug/ and src/release/.
+        -->
+        <meta-data
+            android:name="com.google.android.geo.API_KEY"
+            android:value="@string/google_maps_key" />
+
+        <activity android:name=".SelectOptionActivity" />
+        <activity android:name=".SelectItemActivity" />
+        <activity android:name=".RegisterActivity" />
+        <activity
+            android:name=".LoginActivity"
+            android:theme="@style/SplashScreen">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+
+        <meta-data
+            android:name="preloaded_fonts"
+            android:resource="@array/preloaded_fonts" />
+    </application>
+
+</manifest>

app/src/main/java/com/example/coviresource/LoginActivity.kt

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+package com.example.coviresource
+
+import android.content.Intent
+import androidx.appcompat.app.AppCompatActivity
+import android.os.Bundle
+import android.widget.Toast
+import com.example.coviresource.databinding.ActivityLoginBinding
+import com.google.firebase.auth.FirebaseAuth
+
+class LoginActivity : AppCompatActivity() {
+    private lateinit var binding: ActivityLoginBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setTheme(R.style.Theme_CoviResource)
+        binding = ActivityLoginBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        val auth = FirebaseAuth.getInstance()
+
+        binding.btnLogin.setOnClickListener {
+            binding.btnLogin.isEnabled = false
+            val userEmail = binding.userNameLogin.text.toString()
+            val userPass = binding.userPassLogin.text.toString()
+            if (userEmail.isBlank()) {
+                binding.userNameLogin.error = "please enter email"
+                binding.btnLogin.isEnabled = true
+                return@setOnClickListener
+            }
+            if (userPass.isBlank()) {
+                binding.userPassLogin.error = "please enter password"
+                binding.btnLogin.isEnabled = true
+                return@setOnClickListener
+            }
+            if (userPass.length < 6) {
+                binding.userPassLogin.error = "password length too short!"
+                binding.btnLogin.isEnabled = true
+                return@setOnClickListener
+            }
+
+            auth.signInWithEmailAndPassword(userEmail, userPass).addOnCompleteListener { task ->
+                binding.btnLogin.isEnabled = true
+                if (task.isSuccessful) {
+                    startActivity(Intent(this, SelectOptionActivity::class.java))
+                    finish()
+                } else {
+                    Toast.makeText(this, "Something went wrong", Toast.LENGTH_SHORT).show()
+                }
+            }
+        }
+        binding.admin.setOnClickListener {
+            startActivity(Intent(this, SelectItemActivity::class.java))
+        }
+        startRegisterActivity()
+    }
+
+    private fun startRegisterActivity(){
+        binding.loginHere.setOnClickListener {
+            startActivity(Intent(this, RegisterActivity::class.java))
+        }
+    }
+}