Added assignments of lecture 3,4 and 5

Assignments/Retrofit/.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches/build_file_checksums.ser
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild

Assignments/Retrofit/README.md

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+# Weather
+>Basic weather app to learn android networking and working of rest APIs.
+
+>Used openweather api, available for free.
+
+>App gives current weather data of any location by its postal code
+
+
+<img src="https://github.com/Prateek1947/Weather/blob/master/Weather.png" width=200 height=400/>

Assignments/Retrofit/app/.gitignore

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+/build

Assignments/Retrofit/app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 28
+    defaultConfig {
+        applicationId "com.sachan.prateek.weather"
+        minSdkVersion 24
+        targetSdkVersion 28
+        versionCode 1
+        versionName "1.0"
+        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+
+dependencies {
+    implementation fileTree(dir: 'libs', include: ['*.jar'])
+    implementation 'com.android.support:appcompat-v7:28.0.0'
+    implementation 'com.android.support.constraint:constraint-layout:1.1.3'
+    testImplementation 'junit:junit:4.12'
+    implementation 'com.squareup.retrofit2:retrofit:2.5.0'
+    implementation 'com.squareup.retrofit2:converter-gson:2.5.0'
+    androidTestImplementation 'com.android.support.test:runner:1.0.2'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
+    implementation 'com.github.bumptech.glide:glide:4.9.0'
+    annotationProcessor 'com.github.bumptech.glide:compiler:4.9.0'
+    implementation 'com.android.support:cardview-v7:28.0.0'
+    implementation 'com.android.support:design:28.0.0'
+}

Assignments/Retrofit/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

Assignments/Retrofit/app/src/androidTest/java/com/sachan/prateek/weather/ExampleInstrumentedTest.java

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

Assignments/Retrofit/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.sachan.prateek.weather">
+
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.INTERNET" />
+
+    <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/AppTheme">
+        <activity android:name=".MainActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+        <activity android:name="com.sachan.prateek.weather.SettingsActivity">
+
+        </activity>
+    </application>
+
+</manifest>

Assignments/Retrofit/app/src/main/java/com/sachan/prateek/weather/Data/CloudData.java

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+package com.sachan.prateek.weather.Data;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class CloudData {
+    @SerializedName("all")
+    @Expose
+    private int all;
+
+    public int getAll() {
+        return all;
+    }
+}

Assignments/Retrofit/app/src/main/java/com/sachan/prateek/weather/Data/Coordinates.java

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+package com.sachan.prateek.weather.Data;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class Coordinates {
+    @SerializedName("lon")
+    @Expose
+    private double lon;
+    @SerializedName("lat")
+    @Expose
+    private double lat;
+
+    public double getLon() {
+        return lon;
+    }
+
+    public double getLat() {
+        return lat;
+    }
+
+}

Assignments/Retrofit/app/src/main/java/com/sachan/prateek/weather/Data/Main.java

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+package com.sachan.prateek.weather.Data;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class Main {
+
+    @SerializedName("temp")
+
+    @Expose
+    private double temp;
+    @SerializedName("pressure")
+    @Expose
+    private double pressure;
+    @SerializedName("humidity")
+    @Expose
+    private double humidity;
+    @SerializedName("temp_min")
+    @Expose
+    private double tempMin;
+    @SerializedName("temp_max")
+    @Expose
+    private double tempMax;
+
+    public double getTemp() {
+        return temp;
+    }
+
+    public double getPressure() {
+        return pressure;
+    }
+
+    public double getHumidity() {
+        return humidity;
+    }
+
+    public double getTempMin() {
+        return tempMin;
+    }
+
+    public double getTempMax() {
+        return tempMax;
+    }
+
+}

Assignments/Retrofit/app/src/main/java/com/sachan/prateek/weather/Data/Sys.java

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+package com.sachan.prateek.weather.Data;
+
+import com.google.gson.annotations.Expose;
+import com.google.gson.annotations.SerializedName;
+
+public class Sys {
+
+    @SerializedName("type")
+    @Expose
+    private int type;
+    @SerializedName("id")
+    @Expose
+    private int id;
+    @SerializedName("message")
+
+    @Expose
+    private double message;
+    @SerializedName("country")
+    @Expose
+    private String country;
+    @SerializedName("sunrise")
+    @Expose
+    private int sunrise;
+    @SerializedName("sunset")
+    @Expose
+    private int sunset;
+
+    public int getType() {
+        return type;
+    }
+
+    public int getId() {
+        return id;
+    }
+
+    public double getMessage() {
+        return message;
+    }
+
+    public String getCountry() {
+        return country;
+    }
+
+    public int getSunrise() {
+        return sunrise;
+    }
+
+    public int getSunset() {
+        return sunset;
+    }
+
+}