package com.example.browserview;

/***
 * Excerpted from "Hello, Android",
 * published by The Pragmatic Bookshelf.
 * Copyrights apply to this code. It may not be used to create training material, 
 * courses, books, articles, and the like. Contact us if you are in doubt.
 * We make no guarantees that this code is fit for any purpose. 
 * Visit http://www.pragmaticprogrammer.com/titles/eband3 for more book information.
 ***/

import android.app.Activity;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.inputmethod.EditorInfo;
import android.view.inputmethod.InputMethodManager;
import android.webkit.WebView;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.TextView.OnEditorActionListener;

public class BrowserView extends Activity {
	private EditText urlText;
	private Button goButton;
	private WebView webView;

	@Override
	public void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.main);
		// Get a handle to all user interface elements
		urlText = (EditText) findViewById(R.id.url_field);
		goButton = (Button) findViewById(R.id.go_button);
		webView = (WebView) findViewById(R.id.web_view);

		// Setup event handlers
		goButton.setOnClickListener(new OnClickListener() {
			public void onClick(View view) {
				openBrowser();
			}
		});
		urlText.setOnEditorActionListener(new OnEditorActionListener() {
			public boolean onEditorAction(TextView v, int actionId,
					KeyEvent event) {
				if (actionId == EditorInfo.IME_NULL) {
					openBrowser();
					InputMethodManager imm = (InputMethodManager) getSystemService(INPUT_METHOD_SERVICE);
					imm.hideSoftInputFromWindow(v.getWindowToken(), 0);
					return true;
				}
				return false;
			}
		});
	}

	/** Open a browser on the URL specified in the text box */
	private void openBrowser() {
		webView.getSettings().setJavaScriptEnabled(true);
		webView.loadUrl(urlText.getText().toString());
	}
}