cordova-android/framework/src/com/phonegap/DroidGap.java

package com.phonegap;
/* License (MIT)
 * Copyright (c) 2008 Nitobi
 * website: http://phonegap.com
 * Permission is hereby granted, free of charge, to any person obtaining
 * a copy of this software and associated documentation files (the
 * Software), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */


import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.Intent;
import android.content.res.Configuration;
import android.graphics.Color;
import android.os.Bundle;
import android.util.Log;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.webkit.JsResult;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebStorage;
import android.webkit.WebView;
import android.webkit.WebSettings.LayoutAlgorithm;
import android.widget.LinearLayout;
import android.os.Build.*;

public class DroidGap extends Activity {
		
	private static final String LOG_TAG = "DroidGap";
	protected WebView appView;
	private LinearLayout root;	
	
	private String uri;
	private PhoneGap gap;
	private GeoBroker geo;
	private AccelListener accel;
	private CameraLauncher launcher;
	private ContactManager mContacts;
	private FileUtils fs;
	private NetworkManager netMan;
	private CompassListener mCompass;
	private WebViewReflect eclairCheck;
	
    /** Called when the activity is first created. */
	@Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        getWindow().requestFeature(Window.FEATURE_NO_TITLE); 
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN,
                WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN); 
        // This builds the view.  We could probably get away with NOT having a LinearLayout, but I like having a bucket!
        
        LinearLayout.LayoutParams containerParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, 
        		ViewGroup.LayoutParams.FILL_PARENT, 0.0F);
         
        LinearLayout.LayoutParams webviewParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT,
        		ViewGroup.LayoutParams.FILL_PARENT, 1.0F);
        
        root = new LinearLayout(this);
        root.setOrientation(LinearLayout.VERTICAL);
        root.setBackgroundColor(Color.BLACK);
        root.setLayoutParams(containerParams);
                
        appView = new WebView(this);
        appView.setLayoutParams(webviewParams);
        
        WebViewReflect.checkCompatibility();
        
        /* This changes the setWebChromeClient to log alerts to LogCat!  Important for Javascript Debugging */        
        appView.setWebChromeClient(new PhoneGapClient(this));
        appView.setInitialScale(100);
        
        WebSettings settings = appView.getSettings();
        settings.setJavaScriptEnabled(true);
        settings.setJavaScriptCanOpenWindowsAutomatically(true);
        settings.setLayoutAlgorithm(LayoutAlgorithm.NORMAL);
        

    	Package pack = this.getClass().getPackage();
    	String appPackage = pack.getName();
    	
        WebViewReflect.setStorage(settings, true, "/data/data/" + appPackage + "/app_database/");
        
        /* Bind the appView object to the gap class methods */
        bindBrowser(appView);
        
        root.addView(appView);                   
        setContentView(root);                        
    }
	
	@Override
    public void onConfigurationChanged(Configuration newConfig) {
      //don't reload the current page when the orientation is changed
      super.onConfigurationChanged(newConfig);
    } 
    
    private void bindBrowser(WebView appView)
    {
    	gap = new PhoneGap(this, appView);
    	geo = new GeoBroker(appView, this);
    	accel = new AccelListener(this, appView);
    	launcher = new CameraLauncher(appView, this);
    	mContacts = new ContactManager(this, appView);
    	fs = new FileUtils(appView);
    	netMan = new NetworkManager(this, appView);
    	mCompass = new CompassListener(this, appView);
    	
    	// This creates the new javascript interfaces for PhoneGap
    	appView.addJavascriptInterface(gap, "DroidGap");
    	appView.addJavascriptInterface(geo, "Geo");
    	appView.addJavascriptInterface(accel, "Accel");
    	appView.addJavascriptInterface(launcher, "GapCam");
    	appView.addJavascriptInterface(mContacts, "ContactHook");
    	appView.addJavascriptInterface(fs, "FileUtil");
    	appView.addJavascriptInterface(netMan, "NetworkManager");
    	appView.addJavascriptInterface(mCompass, "CompassHook");
    }
           
 
	public void loadUrl(String url)
	{
		appView.loadUrl(url);
	}

    /**
     * Provides a hook for calling "alert" from javascript. Useful for
     * debugging your javascript.
     */
    final class PhoneGapClient extends GapClient {
    	
    	PhoneGapClient(Context ctx){
    		super(ctx);
    	}
    	
    }
    	    	
    // This is required to start the camera activity!  It has to come from the previous activity
    public void startCamera(int quality)
    {
    	Intent i = new Intent(this, CameraPreview.class);
    	i.setAction("android.intent.action.PICK");
    	i.putExtra("quality", quality);
    	startActivityForResult(i, 0);
    }
    
    protected void onActivityResult(int requestCode, int resultCode, Intent intent)
    {
    	String data;
    	super.onActivityResult(requestCode, resultCode, intent);
    	if (resultCode == RESULT_OK)
    	{
    		data = intent.getStringExtra("picture");    	     
    		// Send the graphic back to the class that needs it
    		launcher.processPicture(data);
    	}
    	else
    	{
    		launcher.failPicture("Did not complete!");
    	}
    }

    public WebView getView()
    {
      return this.appView;
    }
      
}