A Utility/Helper class for common method used across the Project

ProjectUtils

/*
 * Copyright 2014 Google Inc. All rights reserved.
 *
 * 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.
 */

import android.accounts.Account;
import android.accounts.AccountManager;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.database.sqlite.SQLiteException;
import android.graphics.Bitmap;
import android.location.Location;
import android.os.Bundle;
import android.os.Environment;
import android.os.Parcelable;
import android.os.StrictMode;
import android.util.Log;
import android.util.Patterns;
import android.widget.Toast;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.regex.Pattern;

public class ProjectUtils
{
	
    public static final int MESSAGE_LENGTH_LONG = Toast.LENGTH_LONG;
    public static final int MESSAGE_LENGTH_SHORT = Toast.LENGTH_SHORT;
    public static final int _noAnimation = Intent.FLAG_ACTIVITY_NO_ANIMATION;
    public static final Integer TWITTER_POST_COUNT = 140;
    public static final int WAKELOCK_TIMEOUT = 60 * 1000;
    public static final String FACEBOOK_APPLICATION_PACKAGE_NAME = "com.facebook.katana";
    public static final String TWITTER_APPLICATION_PACKAGE_NAME = "com.twitter.android";
    public static final String DOTNET_EMAIL_REGEX = "/^((([a-z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])+(\\.([a-z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])+)*)|((\\x22)((((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(([\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f]|\\x21|[\\x23-\\x5b]|[\\x5d-\\x7e]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])|(\\\\([\\x01-\\x09\\x0b\\x0c\\x0d-\\x7f]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF]))))*(((\\x20|\\x09)*(\\x0d\\x0a))?(\\x20|\\x09)+)?(\\x22)))@((([a-z]|\\d|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])|(([a-z]|\\d|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])([a-z]|\\d|-|\\.|_|~|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])*([a-z]|\\d|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])))\\.)+(([a-z]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])|(([a-z]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])([a-z]|\\d|-|\\.|_|~|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])*([a-z]|[\\u00A0-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFEF])))\\.?$/i";
    public static final String TWITDROID_APPLICATION_PACKAGE_NAME = "com.twidroid";
    public static final String TWEETCASTER_APPLICATION_PACKAGE_NAME = "com.handmark.tweetcaster";
    public static final String THEDECK_APPLICATION_PACKAGE_NAME = "com.thedeck.android";

    //region Static Fields and Constant
    public static long _splashDelay = 5000; // 5 seconds
    public static String EMAIL_REGEX_PATTERN = "[a-zA-Z0-9\\+\\.\\_\\%\\-\\+]{1,256}" + "\\@" + "[a-zA-Z0-9][a-zA-Z0-9\\-]{0,64}" + "(" + "\\." + "[a-zA-Z0-9][a-zA-Z0-9\\-]{0,25}" + ")+";
    public static final Pattern CHECK_EMAIL_ADDRESS_PATTERN = Pattern.compile(EMAIL_REGEX_PATTERN);

    //endregion
	
    
    //region Helper Method for database existing
    public static boolean doesDatabaseExist(ContextWrapper context, String dbName)
    {
        File dbFile = context.getDatabasePath(dbName);
        return dbFile.exists();
    }
    // endregion
    //region Helper Method for taking ScreenShot from the Google Map Object
    public static void takeMapSnapShot(GoogleMap mMap, final Context mContext)
    {
        if (mMap == null)
        {
            return;
        }
        final GoogleMap.SnapshotReadyCallback callback = new GoogleMap.SnapshotReadyCallback()
        {
            @Override
            public void onSnapshotReady(Bitmap snapshot)
            {
                // Callback is called from the main thread, so we can modify the ImageView safely.
                //snapshotHolder.setImageBitmap(snapshot);
                File carSnapShotFile = ProjectUtils.createFileInsideTheFolder(ProjectUtils.getCarLocationImageFolderPath(), ProjectUtils.CAR_LOCATION_SNAPSHOT_FILE_NAME);
                FileOutputStream out = null;
                try
                {
                    out = new FileOutputStream(carSnapShotFile);
                    snapshot.compress(Bitmap.CompressFormat.PNG, 70, out);
                    //ProjectUtils.showToast(mContext, "SnapShot Taken", ProjectUtils.MESSAGE_LENGTH_SHORT);
                } catch (FileNotFoundException e)
                {
                    e.printStackTrace();
                }


            }
        };
        mMap.snapshot(callback);

    }
    //endregion
    // region Helper Methods for share Intents
    public static Intent startShareIntent(Context mContext, String applicationName, String applicationLink)
    {
        // Standard message to send
        String msg = "";
        final String TAG = "IntentShare";
        Intent share = new Intent(Intent.ACTION_SEND);
        share.setType("text/plain");
        List<Intent> targetedShareIntents = new ArrayList<Intent>();
        Intent targetedShareIntent = null;
        List<ResolveInfo> resInfo = mContext.getPackageManager().queryIntentActivities(share, 0);
        if (!resInfo.isEmpty())
        {
            for (ResolveInfo resolveInfo : resInfo)
            {
                String packageName = resolveInfo.activityInfo.packageName;
                targetedShareIntent = new Intent(android.content.Intent.ACTION_SEND);
                targetedShareIntent.setType("text/plain");
                // Find twitter: com.twitter.android...
                if (FACEBOOK_APPLICATION_PACKAGE_NAME.equals(packageName))
                {
                    DebugLogUtils.showLogs(TAG, "Facebook Message: " + msg);
                    targetedShareIntent.putExtra(Intent.EXTRA_SUBJECT, applicationName);
                    targetedShareIntent.putExtra(android.content.Intent.EXTRA_TEXT, msg);
                } else if (TWITTER_APPLICATION_PACKAGE_NAME.equals(packageName))
                {
                    targetedShareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, applicationName);
                    String twitterShortDesc = getShorterStringForTwitterPost(msg);
                    targetedShareIntent.putExtra(android.content.Intent.EXTRA_TEXT, twitterShortDesc);

                } else
                {
                    targetedShareIntent.putExtra(android.content.Intent.EXTRA_TEXT, msg);
                }
                targetedShareIntent.setPackage(packageName);
                targetedShareIntents.add(targetedShareIntent);
            }

        }
        Intent chooserIntent = Intent.createChooser(targetedShareIntents.remove(0), "Share");
        chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, targetedShareIntents.toArray(new Parcelable[]{}));
        return chooserIntent;
    }
    public static Intent startShareIntent(Context mContext, String para_title, String para_URL, String activityName)
    {
        // Standard message to send
        String msg = para_title + para_URL;
        final String TAG = "IntentShare";
        Intent share = new Intent(Intent.ACTION_SEND);
        share.setType("text/plain");
        List<Intent> targetedShareIntents = new ArrayList<Intent>();
        Intent targetedShareIntent = null;
        List<ResolveInfo> resInfo = mContext.getPackageManager().queryIntentActivities(share, 0);
        if (!resInfo.isEmpty())
        {
            for (ResolveInfo resolveInfo : resInfo)
            {
                String packageName = resolveInfo.activityInfo.packageName;
                targetedShareIntent = new Intent(android.content.Intent.ACTION_SEND);
                targetedShareIntent.setType("text/plain");
                // Find twitter: com.twitter.android...
                if (FACEBOOK_APPLICATION_PACKAGE_NAME.equals(packageName))
                {
                    targetedShareIntent.putExtra(android.content.Intent.EXTRA_TEXT, msg);
                } else if (TWITTER_APPLICATION_PACKAGE_NAME.equals(packageName))
                {
                    targetedShareIntent.putExtra(android.content.Intent.EXTRA_SUBJECT, para_title);
                    if (activityName.contentEquals("NamazTime"))
                    {
                        String twitterShortDesc = getShorterStringForTwitterPost(para_title + para_URL);
                        targetedShareIntent.putExtra(android.content.Intent.EXTRA_TEXT, twitterShortDesc);
                    } else
                    {
                        targetedShareIntent.putExtra(android.content.Intent.EXTRA_TEXT, para_URL);
                    }

                }
                else
                {
                    // Rest of Apps
                    // Log.d(TAG, "Rest of the app: " + msg);
                    targetedShareIntent.putExtra(android.content.Intent.EXTRA_TEXT, msg);
                }
                targetedShareIntent.setPackage(packageName);
                targetedShareIntents.add(targetedShareIntent);
            }

        }
        Intent chooserIntent = Intent.createChooser(targetedShareIntents.remove(0), "Share");
        chooserIntent.putExtra(Intent.EXTRA_INITIAL_INTENTS, targetedShareIntents.toArray(new Parcelable[]{}));
        return chooserIntent;

    }
    public static String getShorterStringForTwitterPost(String para_content)
    {
        int current_contentCharacterCount = para_content.length();
        String generatedContentForTwitter = "";
        char[] para_contentSplitIntoCharacter = para_content.toCharArray();
        for (int i = 0; i < current_contentCharacterCount; i++)
        {
            if (i == TWITTER_POST_COUNT - 2)
            {
                generatedContentForTwitter += "..";
                break;
            } else
            {
                generatedContentForTwitter += para_contentSplitIntoCharacter[i];
            }
        }
        return generatedContentForTwitter;
    }
    //endregion
    //region Helper Methods for Checking Database into the mobile device
    /**
     * Check if the database already exist to avoid re-copying the file each time you open the application.
     *
     * @return true if it exists, false if it doesn't
     */
    public static boolean checkDataBase(Context mContext)
    {
        boolean checkdb = false;
        try
        {
            String myPath = mContext.getFilesDir().getAbsolutePath().replace("files", "databases") + File.separator + mContext.getString(R.string.db_name);
            File dbfile = new File(myPath);
            checkdb = dbfile.exists();
        } catch (SQLiteException e)
        {
            System.out.println("Database doesn't exist");
        }
        return checkdb;
    }
    /**
     * Check if the database already exist to avoid re-copying the file each time you open the application.
     *
     * @return true if it exists, false if it doesn't
     */
    public static Boolean checkdbMethod(Context context)
    {
        File database = context.getDatabasePath(context.getString(R.string.db_name));
        if (!database.exists())
        {
            // Database does not exist so copy it from assets here
            DebugLogUtils.showLogs("Database", "Not Found");
            return false;
        } else
        {
            DebugLogUtils.showLogs("Database", "Found");
            return true;
        }
    }
    // endregion
    
    // region General Helper Methods

    public static void buildObjectForPicasso(Context mContext)
    {
        picasso = new Picasso.Builder(mContext).build();
    }

    /**
     * This method is used to go across the application i.e opening new Activities
     */
    public static void genericIntent(Context context, Class<?> className, Bundle datapassingBundle)
    {
        Intent intent = new Intent();
        intent.setClass(context, className);
        intent.setFlags(_noAnimation);
        if (datapassingBundle != null) intent.putExtras(datapassingBundle);
        context.startActivity(intent);
    }

    /**
     * This Method is use to get the Home LauncherName from the device so that
     */
    public static void GotoHomeScreen(Context context)
    {
        Intent startMain = new Intent(Intent.ACTION_MAIN);
        startMain.addCategory(Intent.CATEGORY_HOME);
        startMain.setFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
        startMain.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(startMain);
    }
    /**
     * This method is used to display message on Screen
     *
     * @param context  From where this function is being called.
     * @param message  The message we want to display.
     * @param duration How long the message should stay on Screen.
     */
    public static void showToast(Context context, String message, int duration)
    {
        Toast.makeText(context, message, duration).show();

    }

    /**
     * This method is used to allow Network stream works on UI treads.
     */
    @SuppressLint("NewApi")
    public static void SetStrickPolicy()
    {
        if (android.os.Build.VERSION.SDK_INT > 9)
        {
            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
            StrictMode.setThreadPolicy(policy);
        }

    }
    public static void buildAlertMessageNoGps(final Context mContext)
    {
        final AlertDialog.Builder builder = new AlertDialog.Builder(mContext);
        builder.setMessage("Your GPS seems to be disabled, do you want to enable it?").setCancelable(false).setPositiveButton("Yes", new DialogInterface.OnClickListener()
        {
            public void onClick(@SuppressWarnings("unused") final DialogInterface dialog, @SuppressWarnings("unused") final int id)
            {
                mContext.startActivity(new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS));
            }
        }).setNegativeButton("No", new DialogInterface.OnClickListener()
        {
            public void onClick(final DialogInterface dialog, @SuppressWarnings("unused") final int id)
            {
                dialog.cancel();
            }
        });
        final AlertDialog alert = builder.create();
        alert.show();
    }
    // #endregion
    // region Validation Methods
    /**
     * This method is used to validate Email address input by the user
     *
     * @param email Entered Email address
     *
     * @return return true if email is in correct format else return false
     */
    public static boolean isValidEmail(String email)
    {
        return ProjectUtils.CHECK_EMAIL_ADDRESS_PATTERN.matcher(email).matches();
    }
    // endregion
    // region Helper Methods for the UserAccount

    /**
     * This method is used to get all the user account from device and return the set<String> containing all its
     * account
     *
     * @param mContext
     *
     * @return return the account name from the device
     */
    public static Set<String> getUserAccountFromDevice(Context mContext)
    {
        final Account[] accounts = AccountManager.get(mContext).getAccounts();
        final Set<String> emailSet = new HashSet<String>();
        for (Account account : accounts)
        {
            if (Patterns.EMAIL_ADDRESS.matcher(account.name).matches())
            {
                emailSet.add(account.name);
            }
        }
        return emailSet;
    }
    // endregion
    // region Helper Methods for Home Screen Package Name

    public static String getHomeLauncherPackageName(Context mContext)
    {
        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.addCategory(Intent.CATEGORY_HOME);
        ResolveInfo resolveInfo = mContext.getPackageManager().resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
        String currentHomePackage = resolveInfo.activityInfo.packageName;
        DebugLogUtils.showLogs("HomeScreenPackageName", currentHomePackage);
        return currentHomePackage;

    }
    // endregion
    //region Helper Method for Bugsense Setup

    public static void SetupBugSenseForActivity(Class<?> activityClass, Context mContext)
    {
        DebugLogUtils.showLogs("ActivityBugSense", activityClass.toString());
        BugSenseHandler.I_WANT_TO_DEBUG = true;
        BugSenseHandler.initAndStartSession(mContext, BUG_SENSE_API_KEY);
        // BugSenseHandler.addCrashExtraData("ActivityBugSense", activityClass.toString());
    }
    // endregion
    // region Helper Method for setup the Google Analytics for Application

    /**
     * This method is used to setup Google Analytics for Each Activity, And also it is used for the sending the screen
     * name to google Analytic
     *
     * @param activityName Pass the activity Object on which the tracking will be made
     * @param screenName   Pass the activity ScreenName
     */
    public static void setupGoogleAnalyticsForActivity(Activity activityName, String screenName)
    {
        EasyTracker.getInstance().activityStart(activityName);
        GoogleAnalytics mGaInstance = GoogleAnalytics.getInstance(activityName);
        Tracker mGaTrackerObjet = mGaInstance.getTracker(GOOGLE_ANALYTIC_TRACKER_ID);
        mGaTrackerObjet.sendView(screenName);
    }

    public static void stopGoogleAnalyticsForActivity(Activity activityName)
    {
        EasyTracker.getInstance().activityStop(activityName);
    }
    // #endregion
    // region Helper methods for Folder Creation/Reading

    public static void createFolderForApplication()
    {
        String extStorageDirectory = Environment.getExternalStorageDirectory().toString();
        File applicationfolder = new File(extStorageDirectory, APPLICATION_FOLDER_TAG);
        applicationfolder.mkdir();
        File carLocationImageFolder = new File(applicationfolder, CAR_LOCATION_FOLDER_TAG);
        carLocationImageFolder.mkdir();
    }

    /**
     * This method is used to get the video Folder path from SD card
     *
     * @return Return the File instance of the Video Directory
     */
    public static File getCarLocationImageFolderPath()
    {
       /* File file = new File(Environment.getExternalStorageDirectory() + File.separator + APPLICATION_FOLDER_TAG + File.separator + CAR_LOCATION_FOLDER_TAG);
        *return file;
		*/
    }

    public static int getCarLocationImageFileCount()
    {
        File file[] = getCarLocationImageFolderPath().listFiles();
        if (file != null)
        {
            int countOfFilesPresent = file.length;
            Log.d("Files", "FileName:" + file[countOfFilesPresent].getName());
            return splitFileName(file[countOfFilesPresent].getName());

        } else
        {
            return 1000;
        }

    }

    public static int splitFileName(String para_FileName)
    {
        String[] splitArr = para_FileName.split("-");
        int startingIndexForSplit = splitArr[1].indexOf(".");
        String finalImageNumberCount = splitArr[1].substring(startingIndexForSplit);
        return Integer.valueOf(finalImageNumberCount);

    }

    /**
     * This method is used to create file inside a particular directory
     *
     * @param directoryPath Path/File object of the directoryFolder
     * @param filename      File name
     *
     * @return It return the File instance of the current folder where new file is created
     */
    public static File createFileInsideTheFolder(File directoryPath, String filename)
    {
        File file = new File(directoryPath, filename);
        try
        {
            file.createNewFile();
            return file;
        } catch (IOException e1)
        {
            e1.printStackTrace();
            return file;
        }

    }

    /**
     * This method is used to check for the file is present on the SD card if it exist it return true else return false
     *
     * @param directoryPath The path where the file is to be located
     * @param filename      File name with extension
     *
     * @return if File exist return true else return false
     */
    public static boolean isFileAlreadyExistInTheFolder(String filePathToLook)
    {
        File file = new File(filePathToLook);
        if (file.exists())
        {
            return true;
        } else
        {
            return false;
        }
    }
    // endregion
    //region Helper Methods for Getting the Time span
    public static long getElaspedTime(long timeInMilliSecond)
    {
        long lStartTime = new Date(timeInMilliSecond).getTime();
        long lEndTime = new Date().getTime();
        long difference = lEndTime - lStartTime;
        return difference;
    }

    public static String getFormatedCurrentTime()
    {
        Calendar systemTime = Calendar.getInstance();
        int Hour = systemTime.get(Calendar.HOUR_OF_DAY);
        int Minute = systemTime.get(Calendar.MINUTE);
        return String.format("%02d:%02d", Long.valueOf(Hour), Long.valueOf(Minute));
    }
    //endregion
}