Professional Android WebView Application With Splash Screen and Share Button.

In this Tutorial I will teach you how to make Professional looking Android WebView Application.

Part I

Part II

Features:

Having Splash Screen

Loading Animation before Website Loads into App

Share Button on The Action Bar.

Requirements:

Windows or Mac Computer With

Android Studio & JDK 7 Installed

No need of Knowledge of Coding

Little Brain. 

NOTE: In this guide i will be asking you to copy and paste code into your file. That indicates you first remove complete code particular file and paste my code.

Steps :

Open Android Studio and Select File=>New Project.

Follow Screens.....

Set Application Name and package name what ever you want.

Select Target SDK as per your Needs

Don't change these details

Now Navigate to MainActivity.java and double click on it.

Now Copy and Paste below Code into MainActivity.java file. Replace my project name with your's in 1st line of code. In Line No 27 replace "http://karthiktechfreak.blogspot.in/" with your url. Don't use www. prfix. paste in same same format you are looking. Next Change custom share data in red color with lines you want to sown share message in line numbers 71 & 72  and give your website url  in line 27th Line

	package com.androidwebviewapp.karthik;
	import android.app.ActionBar;
	import android.app.Activity;
	import android.content.Intent;
	import android.os.Bundle;
	import android.view.Menu;
	import android.view.MenuItem;
	import android.view.View;
	import android.webkit.WebSettings;
	import android.webkit.WebView;
	import android.widget.ShareActionProvider;
	public class MainActivity extends Activity {
	private WebView mWebView;
	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);
	mWebView = (WebView) findViewById(R.id.activity_main_webview);
	WebSettings webSettings = mWebView.getSettings();
	webSettings.setJavaScriptEnabled(true);
	mWebView.loadUrl("http://karthiktechfreak.blogspot.in/");
	mWebView.setWebViewClient(new com.androidwebviewapp.karthik.MyAppWebViewClient(){
	@Override
	public void onPageFinished(WebView view, String url) {
	//hide loading image
	findViewById(R.id.progressBar1).setVisibility(View.GONE);
	//show webview
	findViewById(R.id.activity_main_webview).setVisibility(View.VISIBLE);
	}});
	}
	@Override
	public void onBackPressed() {
	if(mWebView.canGoBack()) {
	mWebView.goBack();
	} else {
	super.onBackPressed();
	}
	}
	private ShareActionProvider mShareActionProvider;
	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
	/** Inflating the current activity's menu with res/menu/items.xml */
	getMenuInflater().inflate(R.menu.menu_main, menu);
	/** Getting the actionprovider associated with the menu item whose id is share */
	mShareActionProvider = (ShareActionProvider) menu.findItem(R.id.share).getActionProvider();
	/** Setting a share intent */
	mShareActionProvider.setShareIntent(getDefaultShareIntent());
	return super.onCreateOptionsMenu(menu);
	}
	/** Returns a share intent */
	private Intent getDefaultShareIntent(){
	Intent intent = new Intent(Intent.ACTION_SEND);
	intent.setType("text/plain");
	intent.putExtra(Intent.EXTRA_SUBJECT, "Convert Website to Android Application");
	intent.putExtra(Intent.EXTRA_TEXT," Vist www.AndroidWebViewApp.com if you Want to Convert your Website or Blog to Android Application");
	return intent;
	}
	}

view raw MainActivity.java hosted with ❤ by GitHub

Now Right Click on your Project name udnder java folder and select create New Class and Name it Splash and copy and paste below code into Splash.java file. Replace my project name with your's in 1st line of code

	package com.androidwebviewapp.karthik;
	import android.annotation.SuppressLint;
	import android.annotation.TargetApi;
	import android.app.ActionBar;
	import android.app.Activity;
	import android.content.Intent;
	import android.os.Build;
	import android.os.Bundle;
	@SuppressLint("NewApi")
	public class Splash extends Activity {
	@TargetApi(Build.VERSION_CODES.HONEYCOMB)
	@SuppressLint("NewApi")
	@Override
	protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_splash);
	ActionBar actionBar = getActionBar();
	actionBar.hide();
	Thread t =new Thread(){
	public void run(){
	try{
	sleep(10000);
	}catch(InterruptedException e){
	e.printStackTrace();
	}finally{
	Intent i =new Intent(Splash.this,MainActivity.class);
	startActivity(i);
	}
	}
	};
	t.start();
	}
	@Override
	public void onPause(){
	super.onPause();
	finish();
	}
	}
	/**
	* Created by Karthik M on 05-Jul-15.
	*/

view raw Splash.java hosted with ❤ by GitHub

Now Create one more java class file like above and name it as MyAppWebViewClient now copy and paste below code into MyAppWebViewClient.java file. And give your website url without any www or http prefixes as i gave there in line number 15 Replace my project name with your's in 1st line of code

	package com.androidwebviewapp.karthik;
	import android.content.Intent;
	import android.net.Uri;
	import android.webkit.WebView;
	import android.webkit.WebViewClient;
	/**
	* Created by Karthik's on 3/5/2015.
	*/
	public class MyAppWebViewClient extends WebViewClient {
	@Override
	public boolean shouldOverrideUrlLoading(WebView view, String url) {
	if(Uri.parse(url).getHost().endsWith("karthiktechfreak.blogspot.in")) {
	return false;
	}
	Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(url));
	view.getContext().startActivity(intent);
	return true;
	}
	}

view raw MyAppWebViewClient.java hosted with ❤ by GitHub

Now we are done with Java Files. If android studio shows any errors ignore them. All errors will be gone by the end of this tutorial.

Now Copy Below Code into activity_main.xml

	<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:tools="http://schemas.android.com/tools"
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	tools:context=".MainActivity"
	android:orientation="vertical">
	<ProgressBar
	android:id="@+id/progressBar1"
	style="?android:attr/progressBarStyleSmall"
	android:layout_width="wrap_content"
	android:layout_height="match_parent"
	android:layout_centerHorizontal="true"
	android:indeterminate="false"
	android:layout_gravity="center" />
	<WebView
	android:id="@+id/activity_main_webview"
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	android:visibility="gone"/>
	</LinearLayout>

view raw activity_main.xml hosted with ❤ by GitHub

Now We Will Create new layout under folder layouts. For that Right Click on Layout and select new Xml File as shown in below figure. Name Layout as activity_splash.

Now Copy and Paste Below Code into activity_splash.xml

	<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:tools="http://schemas.android.com/tools"
	android:layout_width="match_parent"
	android:layout_height="match_parent"
	android:background="@mipmap/vert_loading"
	tools:context=".Splash" >
	</RelativeLayout>

view raw activity_splash.xml hosted with ❤ by GitHub

Now open menu_main.xml in menu folder and paste below code into it.

	<menu xmlns:android="http://schemas.android.com/apk/res/android"
	xmlns:tools="http://schemas.android.com/tools" tools:context=".MainActivity">
	<item
	android:id="@+id/share"
	android:title="@string/share"
	android:showAsAction="ifRoom"
	android:actionProviderClass="android.widget.ShareActionProvider"/>
	</menu>

view raw menu_main.xml hosted with ❤ by GitHub

Now Open AndroidManifest.xml file From manifests folder and copy below code into it. replace project name with your project name in the 3rd line

	<?xml version="1.0" encoding="utf-8"?>
	<manifest xmlns:android="http://schemas.android.com/apk/res/android"
	package="com.androidwebviewapp.karthik" >
	<uses-permission android:name="android.permission.INTERNET" />
	<application
	android:allowBackup="true"
	android:icon="@mipmap/ic_launcher"
	android:label="@string/app_name"
	android:theme="@android:style/Theme.Holo.Light" >
	<activity
	android:name=".MainActivity"
	android:label="@string/app_name" >
	<intent-filter>
	<action android:name="android.intent.action.MAIN" />
	<category android:name="android.intent.category.DEFAULT" />
	</intent-filter>
	</activity>
	<activity
	android:name=".Splash"
	android:label="@string/app_name" >
	<intent-filter>
	<action android:name="android.intent.action.MAIN" />
	<category android:name="android.intent.category.LAUNCHER" />
	</intent-filter>
	</activity>
	</application>
	</manifest>

view raw AndroidManifest.xml hosted with ❤ by GitHub

Now Finally Open Values Folder and place below code in strings.xml and change app_name string value to yours in line number two.

	<resources>
	<string name="app_name">Android WebView App</string>
	<string name="hello_world">Hello world!</string>
	<string name="share">Share</string>
	<string name="action_websearch">Web search</string>
	</resources>

view raw strings.xml hosted with ❤ by GitHub

By this we had finished all coding Part.

Now open computer and navigate to your Project folder YourProjectName\app\src\main\res, there will be four folders with name mipmap change ic_launcher.png with your icon but don't change name and only png format are supported. And place an image file with name vert_loading.png in all folders. vert_loading.png will be your Startup screen.

At last our Project structure looks like below image...

Now go to buil in top menu of Android Studio and select Generate signed Apk and epxort your Application. After Succesfull export copy it to your phone and install. Or Upload to play store.

Watch how to Generate Signed Apk in Android Studio.