Settings/src/com/android/tv/settings/dialog/old/TosWebViewFragment.java - platform/packages/apps/TvSettings - Git at Google

 /*
  * Copyright (C) 2014 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.tv.settings.dialog.old;

 import android.annotation.TargetApi;
 import android.app.Activity;
 import android.app.Fragment;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.graphics.Bitmap;
 import android.net.Uri;
 import android.os.Build;
 import android.os.Bundle;
 import android.os.Message;
 import android.provider.Settings;
 import android.provider.Settings.Secure;
 import android.telephony.TelephonyManager;
 import android.text.TextUtils;
 import android.util.Log;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.webkit.CookieManager;
 import android.webkit.CookieSyncManager;
 import android.webkit.WebChromeClient;
 import android.webkit.WebSettings;
 import android.webkit.WebView;
 import android.webkit.WebViewClient;

 import com.android.tv.settings.R;

 import java.io.BufferedReader;
 import java.io.FileNotFoundException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.io.IOException;
 import java.util.Locale;

 /**
  * Fragment that shows a link containing the ToS.
  */
 public class TosWebViewFragment extends Fragment {

     private static final String TAG = "TosWebViewFragment";
     private static final boolean DEBUG = false;
     // TODO switch to pointing to proper TLD once there is a reliable way to
     // map geography to proper TLD, b/11032160
     private static final String GOOGLE_TOS_URL = "http://www.google.com/intl/%y_%z/policies/terms/";
     private static final String GOOGLE_PRIVACY_URL =
         "http://www.google.com/intl/%y_%z/policies/privacy/";

     private static final String SETTINGS_SECURE_TOS_URL = "canvas_tos_url";
     private static final String SETTINGS_SECURE_PRIVACY_URL = "canvas_privacy_url";

     private static final int SOURCE_URL = 1;
     private static final int SOURCE_STRING = 2;
     private static final int SOURCE_RESOURCE_ID = 3;

     private static final String ARGUMENT_SHOW = "show";
     private static final String ARGUMENT_CONTENT_STRING = "content_string";
     private static final String ARGUMENT_CONTENT_URL = "content_url";
     private static final String ARGUMENT_CONTENT_RESOURCE_ID = "content_resource_id";

     public static final int SHOW_TERMS_OF_SERVICE = 3;
     public static final int SHOW_PRIVACY_POLICY = 4;
     public static final int SHOW_ADDITIONAL_TERMS = 5;

     /**
      * Create instance and select page to display. The content is selected by the single parameter
      * and determined by a URL or resource string depending on the page to show.
      *
      * @param show One of SHOW_TERMS_OF_SERVICE, SHOW_PRIVACY_POLICY, SHOW_ADDITIONAL_TERMS
      */
     public static TosWebViewFragment newInstance(int show) {
         TosWebViewFragment f = new TosWebViewFragment();
         Bundle args = new Bundle();
         args.putInt(ARGUMENT_SHOW, show);
         f.setArguments(args);
         return f;
     }

     /**
      * Create instance and display page from URL.
      *
      * @param uri URL of page to show.
      */
     public static TosWebViewFragment newInstanceUrl(String pageUrl) {
         TosWebViewFragment f = new TosWebViewFragment();
         Bundle args = new Bundle();
         args.putString(ARGUMENT_CONTENT_URL, pageUrl);
         f.setArguments(args);
         return f;
     }

     /**
      * Create instance and display page from a string.
      *
      * @param page Text to show.
      */
     public static TosWebViewFragment newInstance(String page) {
         TosWebViewFragment f = new TosWebViewFragment();
         Bundle args = new Bundle();
         args.putString(ARGUMENT_CONTENT_STRING, page);
         f.setArguments(args);
         return f;
     }

     /**
      * Create instance and display page from resource id.
      *
      * @param resourceId id or string resourse to show.
      */
     public static TosWebViewFragment newInstance_resourceId(int resourceId) {
         TosWebViewFragment f = new TosWebViewFragment();
         Bundle args = new Bundle();
         args.putInt(ARGUMENT_CONTENT_RESOURCE_ID, resourceId);
         f.setArguments(args);
         return f;
     }

     private class MyChromeClient extends WebChromeClient {
         @Override
         public boolean onCreateWindow(WebView view, boolean dialog, boolean userGesture,
                 Message resultMsg) {
             resultMsg.obj = mWebView;
             resultMsg.sendToTarget();
             return true;
         }

         @Override
         public void onProgressChanged(WebView view, int newProgress) {
         }

         @Override
         public boolean onConsoleMessage(android.webkit.ConsoleMessage consoleMessage) {
             return true;
         }
     }

     private class MyWebViewClient extends WebViewClient {

         /**
          * Before we load any page, we check with our session object to see if
          * we should do any special handling at this point
          */
         @Override
         public boolean shouldOverrideUrlLoading(WebView view, String url) {
             return false;
         }

         @Override
         public void onPageStarted(WebView view, String url, Bitmap favicon) {
         }

         @Override
         public void onReceivedError(WebView view, int errorCode, String description,
                 String failingUrl) {
             Log.w(TAG, String.format(
                     "onReceivedError: errorCode %d, description: %s, url: %s", errorCode,
                     description, failingUrl));
             mIsLoading = false;
             // If this is the first attempted page load, this could be a
             // connectivity issue
             // We treat it all as server error, let ShowError decide if network
             // is still up
             onWebLoginError(errorCode, description);
             super.onReceivedError(view, errorCode, description, failingUrl);
         }

         @Override
         public void onTooManyRedirects(WebView view, Message cancelMsg, Message continueMsg) {
             Log.e(TAG, "onTooManyRedirects");
             // Users probably don't care about redirects, it's a server error to
             // them
             onWebLoginError(0, "");
         }

         @Override
         public void onPageFinished(WebView view, String url) {
             if (DEBUG) {
                 Log.d(TAG, "Loaded " + url);
             }
             view.requestFocus();
         }

         private void onWebLoginError(int errorCode, String description) {
             // TODO: Show error?
         }
     }

     private WebView mWebView;
     private String mSource;
     private int mSourceType;
     private boolean mIsLoading;

     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle icicle) {
         View content = inflater.inflate(R.layout.navigable_webview, null);

         if (icicle == null) {
             mWebView = (WebView) content.findViewById(R.id.webview);
             CookieSyncManager.createInstance(getActivity());
             mWebView.setWebViewClient(new MyWebViewClient());
             mWebView.setWebChromeClient(new MyChromeClient());
             WebSettings s = mWebView.getSettings();
             s.setNeedInitialFocus(true);
             s.setJavaScriptEnabled(true);
             s.setSupportMultipleWindows(false);
             s.setSaveFormData(false);
             s.setSavePassword(false);
             s.setAllowFileAccess(false);
             s.setDatabaseEnabled(false);
             s.setJavaScriptCanOpenWindowsAutomatically(false);
             s.setLoadsImagesAutomatically(true);
             s.setLightTouchEnabled(false);
             s.setNeedInitialFocus(false);
             s.setUseWideViewPort(true);
             s.setSupportZoom(false);
             mWebView.setMapTrackballToArrowKeys(false);

             int show = getArguments().getInt(ARGUMENT_SHOW, -1);
             switch (show) {
                 case SHOW_TERMS_OF_SERVICE:
                     mSourceType = SOURCE_URL;
                     mSource = Settings.Secure.getString(getActivity().getContentResolver(),
                         SETTINGS_SECURE_TOS_URL);
                     if (mSource == null) {
                         mSource = GOOGLE_TOS_URL;
                     }
                     mSource = substitueArguments(mSource);
                     break;
                 case SHOW_PRIVACY_POLICY:
                     mSourceType = SOURCE_URL;
                     mSource = Settings.Secure.getString(getActivity().getContentResolver(),
                         SETTINGS_SECURE_PRIVACY_URL);
                     if (mSource == null) {
                         mSource = GOOGLE_PRIVACY_URL;
                     }
                     mSource = substitueArguments(mSource);
                     break;
                 case SHOW_ADDITIONAL_TERMS:
                     mSourceType = SOURCE_STRING;
                     mSource = readStringFromResource(getActivity(),
                         R.raw.additional_terms_of_service);
                     break;
                 default:
                     // User is specifying a page to display, either by Url, resource id or string.
                     mSource = getArguments().getString(ARGUMENT_CONTENT_URL);
                     if (mSource != null) {
                         mSourceType = SOURCE_URL;
                         mSource = substitueArguments(mSource);
                     } else {
                         mSourceType = SOURCE_STRING;
                         mSource = getArguments().getString(ARGUMENT_CONTENT_STRING);
                         if (mSource == null) {
                             int resourceId = getArguments().getInt(ARGUMENT_CONTENT_RESOURCE_ID);
                             mSource = getResources().getString(resourceId);
                         }
                     }
                     break;
             }
         }
         return content;
     }

     /**
      * Determines the current activity mode and initializes ui appropriately.
      */
     @Override
     public void onResume() {
         super.onResume();
         mIsLoading = true;
         switch (mSourceType) {
             case SOURCE_URL:
                 mWebView.loadUrl(mSource);
                 break;
             case SOURCE_STRING:
                 mWebView.loadData(mSource,"text/html", null);
                 break;
         }
         mWebView.onResume();
     }

     /**
      * Stops page loading if it is in progress.
      */
     @Override
     public void onPause() {
         if (mIsLoading) {
             mWebView.stopLoading();
             mIsLoading = false;
         }
         mWebView.onPause();
         super.onPause();
     }

     private String substitueArguments(String url) {
         // Substitute locale if present in property
         if (url.contains("%m")) {
             try {
                 Configuration config = new Configuration();
                 Settings.System.getConfiguration(getActivity().getContentResolver(), config);
                 if (config.mcc != 0) {
                     url = url.replace("%m", Integer.toString(config.mcc));
                 } else {
                     // This will happen if the device doesn't have a SIM, in
                     // which case we just use the locale.
                     url = url.replace("%m", "%s");
                 }
             } catch (Exception e) {
                 // Intentionally left blank
             }
         }
         if (url.contains("%s")) {
             Locale locale = Locale.getDefault();
             String tmp = locale.getLanguage() + "_" + locale.getCountry().toLowerCase();
             url = url.replace("%s", tmp);
         }

         // %y is used to indicate a language variable to be replaced at runtime.
         if (url.contains("%y")) {
             Locale locale = Locale.getDefault();
             url = url.replace("%y", locale.getLanguage());
         }

         // %z is used to indicate the country. We use the value set by the
         // SIM. We choose not to use the operator/network country but that
         // which is set on SIM as they most likely procured the device there
         if (url.contains("%z")) {
             try {
                 TelephonyManager telephony = (TelephonyManager) getActivity()
                         .getSystemService(Context.TELEPHONY_SERVICE);

                 Configuration config = new Configuration();
                 Settings.System.getConfiguration(getActivity().getContentResolver(), config);

                 if (telephony != null && config.mcc != 0) {
                     String simCountryIso = telephony.getSimCountryIso();
                     if (TextUtils.isEmpty(simCountryIso)) {
                         simCountryIso = "us";
                     }
                     url = url.replace("%z", simCountryIso);
                 } else {
                     // This will happen if the device doesn't have a SIM, in
                     // which case we just use the country with the default
                     // locale country
                     Locale locale = Locale.getDefault();
                     url = url.replace("%z", locale.getCountry().toLowerCase());
                 }
             } catch (Exception e) {
                 // Intentionally left blank
             }
         }
         return url;
     }

     private String readStringFromResource(Context context, int resourceId) {
         StringBuilder contents = new StringBuilder();
         String sep = System.lineSeparator();
         try {
             InputStream is = context.getResources().openRawResource(resourceId);
             BufferedReader input = new BufferedReader(new InputStreamReader(is), 1024*8);
             try {
                 String line = null;
                 while ((line = input.readLine()) != null) {
                     contents.append(line);
                     contents.append(sep);
                 }
             } finally {
                 input.close();
             }
         } catch (FileNotFoundException ex) {
             Log.e(TAG, "Couldn't find the file " + resourceId  + " " + ex);
             return null;
         } catch (IOException ex){
             Log.e(TAG, "Error reading file " + resourceId + " " + ex);
             return null;
         }
         return contents.toString();
     }
 }
	/*
	* Copyright (C) 2014 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.tv.settings.dialog.old;

	import android.annotation.TargetApi;
	import android.app.Activity;
	import android.app.Fragment;
	import android.content.Context;
	import android.content.res.Configuration;
	import android.graphics.Bitmap;
	import android.net.Uri;
	import android.os.Build;
	import android.os.Bundle;
	import android.os.Message;
	import android.provider.Settings;
	import android.provider.Settings.Secure;
	import android.telephony.TelephonyManager;
	import android.text.TextUtils;
	import android.util.Log;
	import android.view.KeyEvent;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.webkit.CookieManager;
	import android.webkit.CookieSyncManager;
	import android.webkit.WebChromeClient;
	import android.webkit.WebSettings;
	import android.webkit.WebView;
	import android.webkit.WebViewClient;

	import com.android.tv.settings.R;

	import java.io.BufferedReader;
	import java.io.FileNotFoundException;
	import java.io.InputStream;
	import java.io.InputStreamReader;
	import java.io.IOException;
	import java.util.Locale;

	/**
	* Fragment that shows a link containing the ToS.
	*/
	public class TosWebViewFragment extends Fragment {

	private static final String TAG = "TosWebViewFragment";
	private static final boolean DEBUG = false;
	// TODO switch to pointing to proper TLD once there is a reliable way to
	// map geography to proper TLD, b/11032160
	private static final String GOOGLE_TOS_URL = "http://www.google.com/intl/%y_%z/policies/terms/";
	private static final String GOOGLE_PRIVACY_URL =
	"http://www.google.com/intl/%y_%z/policies/privacy/";

	private static final String SETTINGS_SECURE_TOS_URL = "canvas_tos_url";
	private static final String SETTINGS_SECURE_PRIVACY_URL = "canvas_privacy_url";

	private static final int SOURCE_URL = 1;
	private static final int SOURCE_STRING = 2;
	private static final int SOURCE_RESOURCE_ID = 3;

	private static final String ARGUMENT_SHOW = "show";
	private static final String ARGUMENT_CONTENT_STRING = "content_string";
	private static final String ARGUMENT_CONTENT_URL = "content_url";
	private static final String ARGUMENT_CONTENT_RESOURCE_ID = "content_resource_id";

	public static final int SHOW_TERMS_OF_SERVICE = 3;
	public static final int SHOW_PRIVACY_POLICY = 4;
	public static final int SHOW_ADDITIONAL_TERMS = 5;

	/**
	* Create instance and select page to display. The content is selected by the single parameter
	* and determined by a URL or resource string depending on the page to show.
	*
	* @param show One of SHOW_TERMS_OF_SERVICE, SHOW_PRIVACY_POLICY, SHOW_ADDITIONAL_TERMS
	*/
	public static TosWebViewFragment newInstance(int show) {
	TosWebViewFragment f = new TosWebViewFragment();
	Bundle args = new Bundle();
	args.putInt(ARGUMENT_SHOW, show);
	f.setArguments(args);
	return f;
	}

	/**
	* Create instance and display page from URL.
	*
	* @param uri URL of page to show.
	*/
	public static TosWebViewFragment newInstanceUrl(String pageUrl) {
	TosWebViewFragment f = new TosWebViewFragment();
	Bundle args = new Bundle();
	args.putString(ARGUMENT_CONTENT_URL, pageUrl);
	f.setArguments(args);
	return f;
	}

	/**
	* Create instance and display page from a string.
	*
	* @param page Text to show.
	*/
	public static TosWebViewFragment newInstance(String page) {
	TosWebViewFragment f = new TosWebViewFragment();
	Bundle args = new Bundle();
	args.putString(ARGUMENT_CONTENT_STRING, page);
	f.setArguments(args);
	return f;
	}

	/**
	* Create instance and display page from resource id.
	*
	* @param resourceId id or string resourse to show.
	*/
	public static TosWebViewFragment newInstance_resourceId(int resourceId) {
	TosWebViewFragment f = new TosWebViewFragment();
	Bundle args = new Bundle();
	args.putInt(ARGUMENT_CONTENT_RESOURCE_ID, resourceId);
	f.setArguments(args);
	return f;
	}

	private class MyChromeClient extends WebChromeClient {
	@Override
	public boolean onCreateWindow(WebView view, boolean dialog, boolean userGesture,
	Message resultMsg) {
	resultMsg.obj = mWebView;
	resultMsg.sendToTarget();
	return true;
	}

	@Override
	public void onProgressChanged(WebView view, int newProgress) {
	}

	@Override
	public boolean onConsoleMessage(android.webkit.ConsoleMessage consoleMessage) {
	return true;
	}
	}

	private class MyWebViewClient extends WebViewClient {

	/**
	* Before we load any page, we check with our session object to see if
	* we should do any special handling at this point
	*/
	@Override
	public boolean shouldOverrideUrlLoading(WebView view, String url) {
	return false;
	}

	@Override
	public void onPageStarted(WebView view, String url, Bitmap favicon) {
	}

	@Override
	public void onReceivedError(WebView view, int errorCode, String description,
	String failingUrl) {
	Log.w(TAG, String.format(
	"onReceivedError: errorCode %d, description: %s, url: %s", errorCode,
	description, failingUrl));
	mIsLoading = false;
	// If this is the first attempted page load, this could be a
	// connectivity issue
	// We treat it all as server error, let ShowError decide if network
	// is still up
	onWebLoginError(errorCode, description);
	super.onReceivedError(view, errorCode, description, failingUrl);
	}

	@Override
	public void onTooManyRedirects(WebView view, Message cancelMsg, Message continueMsg) {
	Log.e(TAG, "onTooManyRedirects");
	// Users probably don't care about redirects, it's a server error to
	// them
	onWebLoginError(0, "");
	}

	@Override
	public void onPageFinished(WebView view, String url) {
	if (DEBUG) {
	Log.d(TAG, "Loaded " + url);
	}
	view.requestFocus();
	}

	private void onWebLoginError(int errorCode, String description) {
	// TODO: Show error?
	}
	}

	private WebView mWebView;
	private String mSource;
	private int mSourceType;
	private boolean mIsLoading;

	@Override
	public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle icicle) {
	View content = inflater.inflate(R.layout.navigable_webview, null);

	if (icicle == null) {
	mWebView = (WebView) content.findViewById(R.id.webview);
	CookieSyncManager.createInstance(getActivity());
	mWebView.setWebViewClient(new MyWebViewClient());
	mWebView.setWebChromeClient(new MyChromeClient());
	WebSettings s = mWebView.getSettings();
	s.setNeedInitialFocus(true);
	s.setJavaScriptEnabled(true);
	s.setSupportMultipleWindows(false);
	s.setSaveFormData(false);
	s.setSavePassword(false);
	s.setAllowFileAccess(false);
	s.setDatabaseEnabled(false);
	s.setJavaScriptCanOpenWindowsAutomatically(false);
	s.setLoadsImagesAutomatically(true);
	s.setLightTouchEnabled(false);
	s.setNeedInitialFocus(false);
	s.setUseWideViewPort(true);
	s.setSupportZoom(false);
	mWebView.setMapTrackballToArrowKeys(false);

	int show = getArguments().getInt(ARGUMENT_SHOW, -1);
	switch (show) {
	case SHOW_TERMS_OF_SERVICE:
	mSourceType = SOURCE_URL;
	mSource = Settings.Secure.getString(getActivity().getContentResolver(),
	SETTINGS_SECURE_TOS_URL);
	if (mSource == null) {
	mSource = GOOGLE_TOS_URL;
	}
	mSource = substitueArguments(mSource);
	break;
	case SHOW_PRIVACY_POLICY:
	mSourceType = SOURCE_URL;
	mSource = Settings.Secure.getString(getActivity().getContentResolver(),
	SETTINGS_SECURE_PRIVACY_URL);
	if (mSource == null) {
	mSource = GOOGLE_PRIVACY_URL;
	}
	mSource = substitueArguments(mSource);
	break;
	case SHOW_ADDITIONAL_TERMS:
	mSourceType = SOURCE_STRING;
	mSource = readStringFromResource(getActivity(),
	R.raw.additional_terms_of_service);
	break;
	default:
	// User is specifying a page to display, either by Url, resource id or string.
	mSource = getArguments().getString(ARGUMENT_CONTENT_URL);
	if (mSource != null) {
	mSourceType = SOURCE_URL;
	mSource = substitueArguments(mSource);
	} else {
	mSourceType = SOURCE_STRING;
	mSource = getArguments().getString(ARGUMENT_CONTENT_STRING);
	if (mSource == null) {
	int resourceId = getArguments().getInt(ARGUMENT_CONTENT_RESOURCE_ID);
	mSource = getResources().getString(resourceId);
	}
	}
	break;
	}
	}
	return content;
	}

	/**
	* Determines the current activity mode and initializes ui appropriately.
	*/
	@Override
	public void onResume() {
	super.onResume();
	mIsLoading = true;
	switch (mSourceType) {
	case SOURCE_URL:
	mWebView.loadUrl(mSource);
	break;
	case SOURCE_STRING:
	mWebView.loadData(mSource,"text/html", null);
	break;
	}
	mWebView.onResume();
	}

	/**
	* Stops page loading if it is in progress.
	*/
	@Override
	public void onPause() {
	if (mIsLoading) {
	mWebView.stopLoading();
	mIsLoading = false;
	}
	mWebView.onPause();
	super.onPause();
	}

	private String substitueArguments(String url) {
	// Substitute locale if present in property
	if (url.contains("%m")) {
	try {
	Configuration config = new Configuration();
	Settings.System.getConfiguration(getActivity().getContentResolver(), config);
	if (config.mcc != 0) {
	url = url.replace("%m", Integer.toString(config.mcc));
	} else {
	// This will happen if the device doesn't have a SIM, in
	// which case we just use the locale.
	url = url.replace("%m", "%s");
	}
	} catch (Exception e) {
	// Intentionally left blank
	}
	}
	if (url.contains("%s")) {
	Locale locale = Locale.getDefault();
	String tmp = locale.getLanguage() + "_" + locale.getCountry().toLowerCase();
	url = url.replace("%s", tmp);
	}

	// %y is used to indicate a language variable to be replaced at runtime.
	if (url.contains("%y")) {
	Locale locale = Locale.getDefault();
	url = url.replace("%y", locale.getLanguage());
	}

	// %z is used to indicate the country. We use the value set by the
	// SIM. We choose not to use the operator/network country but that
	// which is set on SIM as they most likely procured the device there
	if (url.contains("%z")) {
	try {
	TelephonyManager telephony = (TelephonyManager) getActivity()
	.getSystemService(Context.TELEPHONY_SERVICE);

	Configuration config = new Configuration();
	Settings.System.getConfiguration(getActivity().getContentResolver(), config);

	if (telephony != null && config.mcc != 0) {
	String simCountryIso = telephony.getSimCountryIso();
	if (TextUtils.isEmpty(simCountryIso)) {
	simCountryIso = "us";
	}
	url = url.replace("%z", simCountryIso);
	} else {
	// This will happen if the device doesn't have a SIM, in
	// which case we just use the country with the default
	// locale country
	Locale locale = Locale.getDefault();
	url = url.replace("%z", locale.getCountry().toLowerCase());
	}
	} catch (Exception e) {
	// Intentionally left blank
	}
	}
	return url;
	}

	private String readStringFromResource(Context context, int resourceId) {
	StringBuilder contents = new StringBuilder();
	String sep = System.lineSeparator();
	try {
	InputStream is = context.getResources().openRawResource(resourceId);
	BufferedReader input = new BufferedReader(new InputStreamReader(is), 1024*8);
	try {
	String line = null;
	while ((line = input.readLine()) != null) {
	contents.append(line);
	contents.append(sep);
	}
	} finally {
	input.close();
	}
	} catch (FileNotFoundException ex) {
	Log.e(TAG, "Couldn't find the file " + resourceId + " " + ex);
	return null;
	} catch (IOException ex){
	Log.e(TAG, "Error reading file " + resourceId + " " + ex);
	return null;
	}
	return contents.toString();
	}
	}