Implemented Login & Register Screen.

.gitignore

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

app/.gitignore

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+/build

app/build.gradle

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+apply plugin: 'com.android.application'
+
+android {
+    compileSdkVersion 27
+    defaultConfig {
+        applicationId "com.example.computer.eshopping"
+        minSdkVersion 19
+        targetSdkVersion 27
+        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-v7:27.1.1'
+    implementation 'com.android.support.constraint:constraint-layout:1.0.2'
+    testImplementation 'junit:junit:4.12'
+    implementation 'com.android.volley:volley:1.0.0'
+    implementation 'com.android.support:support-v4:27.1.1'
+    implementation 'com.android.support:design:27.1.1'
+    implementation 'pl.droidsonroids.gif:android-gif-drawable:1.2.12'
+    implementation 'com.android.support:cardview-v7:27.1.1'
+    androidTestImplementation 'com.android.support.test:runner:1.0.1'
+    androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.1'
+}

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/computer/eshopping/ExampleInstrumentedTest.java

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+package com.example.computer.eshopping;
+
+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.example.computer.eshopping", appContext.getPackageName());
+    }
+}

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.computer.eshopping">
+
+    <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">
+
+        </activity>
+        <activity android:name=".Login"
+            android:theme="@style/Theme.AppCompat.DayNight.NoActionBar"/>
+        <activity android:name=".Signup"
+            android:theme="@style/Theme.AppCompat.DayNight.NoActionBar"/>
+        <activity android:name=".Splash"
+            android:theme="@style/Theme.AppCompat.DayNight.NoActionBar">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/java/com/example/computer/eshopping/Login.java

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+package com.example.computer.eshopping;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+public class Login extends AppCompatActivity {
+    EditText e1,e2;
+    Button submt;
+    public static String email,password;
+    TextView signup,goog,frgot1;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login);
+        e1 = (EditText) findViewById(R.id.email);
+        e2 = (EditText) findViewById(R.id.editText2);
+        frgot1=(TextView)findViewById(R.id.frgt);
+        submt=(Button)findViewById(R.id.button);
+        signup=(TextView)findViewById(R.id.sign);
+        submt.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                email=e1.getText().toString();
+                password=e2.getText().toString();
+            if (email.isEmpty())
+                Toast.makeText(Login.this, "Enter Valid Email ", Toast.LENGTH_SHORT).show();
+               else if (password.isEmpty())
+                    Toast.makeText(Login.this, "Enter Password ", Toast.LENGTH_SHORT).show();
+               else
+            {
+                Intent intent=new Intent(Login.this,MainActivity.class);
+                startActivity(intent);
+            }
+            }
+        });
+        signup.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent=new Intent(Login.this,Signup.class);
+                startActivity(intent);
+            }
+        });
+    }
+}

app/src/main/java/com/example/computer/eshopping/MainActivity.java

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+package com.example.computer.eshopping;
+
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+
+public class MainActivity extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+    }
+}

app/src/main/java/com/example/computer/eshopping/Signup.java

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+package com.example.computer.eshopping;
+
+import android.content.Intent;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+
+public class Signup extends AppCompatActivity {
+    EditText namee,email_id,contact_no,password1,cpassord;
+   public static String name,email,contact,password,cpassword;
+Button b1;
+TextView t1;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_signup);
+        namee=(EditText)findViewById(R.id.name);
+        email_id=(EditText)findViewById(R.id.email);
+        contact_no=(EditText)findViewById(R.id.contact);
+        password1=(EditText)findViewById(R.id.password);
+        cpassord=(EditText)findViewById(R.id.cpassword);
+        b1=(Button) findViewById(R.id.subm);
+        t1=(TextView)findViewById(R.id.logm);
+        b1.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                name=namee.getText().toString();
+                email=email_id.getText().toString();
+                contact=contact_no.getText().toString();
+                password=password1.getText().toString();
+                cpassword=cpassord.getText().toString();
+                Intent intent=new Intent(Signup.this,Login.class);
+                startActivity(intent);
+            }
+        });
+        t1.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent=new Intent(Signup.this,Login.class);
+                startActivity(intent);
+            }
+        });
+
+
+    }
+}

app/src/main/java/com/example/computer/eshopping/Splash.java

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+package com.example.computer.eshopping;
+
+import android.content.Intent;
+import android.os.Handler;
+import android.support.v7.app.AppCompatActivity;
+import android.os.Bundle;
+import android.util.Log;
+
+public class Splash extends AppCompatActivity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_splash);
+        Handler handler=new Handler();
+        handler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                Intent i=new Intent(Splash.this,Login.class);
+                startActivity(i);
+                finish();
+            }
+        },3500);
+    }
+}