Java tutorial
/* * Copyright (C) 2014 Saravan Pantham * * 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.jelly.music.player.LauncherActivity; import java.io.File; import java.io.IOException; import java.lang.reflect.Method; import java.util.HashMap; import java.util.Map; import org.apache.commons.io.FileUtils; import android.annotation.SuppressLint; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.content.DialogInterface.OnClickListener; import android.content.Intent; import android.graphics.Paint; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.support.v4.app.FragmentActivity; import android.support.v4.app.FragmentTransaction; import android.util.DisplayMetrics; import android.view.Display; import android.view.View; import android.view.ViewTreeObserver.OnGlobalLayoutListener; import android.widget.RelativeLayout; import android.widget.TextView; import com.parse.*; import com.google.analytics.tracking.android.EasyTracker; import com.google.analytics.tracking.android.Fields; import com.google.analytics.tracking.android.MapBuilder; import com.google.android.gms.common.GooglePlayServicesUtil; import com.jelly.music.player.R; import com.jelly.music.player.Helpers.TypefaceHelper; import com.jelly.music.player.InAppBilling.IabHelper; import com.jelly.music.player.MainActivity.MainActivity; import com.jelly.music.player.MiscFragments.TrialFragment; import com.jelly.music.player.Services.BuildMusicLibraryService; import com.jelly.music.player.Utils.Common; import com.jelly.music.player.WelcomeActivity.WelcomeActivity; public class LauncherActivity extends FragmentActivity { public Context mContext; private Common mApp; public Activity mActivity; public static String mAccountName; static final int REQUEST_CODE_RECOVER_FROM_PLAY_SERVICES_ERROR = 1002; public static IabHelper mHelper; protected static final String ITEM_SKU = "com.jelly.music.player.unlock"; protected static final String ITEM_SKU_PROMO = "com.jelly.music.player.unlock.promo"; private static final String CAMPAIGN_SOURCE_PARAM = "utm_source"; protected boolean mPurchased; protected boolean mPurchasedPromo; private boolean mExplicitShowTrialFragment; public static TextView buildingLibraryMainText; public static TextView buildingLibraryInfoText; private RelativeLayout buildingLibraryLayout; private Handler mHandler; @SuppressLint("NewApi") @Override public void onCreate(Bundle savedInstanceState) { Parse.initialize(this, "aZiGV1G02m1Mj3SaaD9riuyrucDclK7abpc2Ibz3", "eCPoMrWrFnnHPVmBbDDIAFAMTA5EJLgtHLS2U9St"); Map<String, String> dimensions = new HashMap<String, String>(); // What type of news is this? dimensions.put("category", "politics"); // Is it a weekday or the weekend? dimensions.put("dayType", "weekday"); // Send the dimensions to Parse along with the 'read' event ParseAnalytics.trackEvent("read", dimensions); setTheme(R.style.AppThemeNoActionBar); super.onCreate(savedInstanceState); setContentView(R.layout.activity_launcher); mContext = this; mActivity = this; mApp = (Common) mContext.getApplicationContext(); mHandler = new Handler(); //Increment the start count. This value will be used to determine when the library should be rescanned. int startCount = mApp.getSharedPreferences().getInt("START_COUNT", 1); mApp.getSharedPreferences().edit().putInt("START_COUNT", startCount + 1).commit(); //Save the dimensions of the layout for later use on KitKat devices. final RelativeLayout launcherRootView = (RelativeLayout) findViewById(R.id.launcher_root_view); launcherRootView.getViewTreeObserver().addOnGlobalLayoutListener(new OnGlobalLayoutListener() { @Override public void onGlobalLayout() { try { int screenDimens[] = new int[2]; int screenHeight = 0; int screenWidth = 0; if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) { //API levels 14, 15 and 16. screenDimens = getTrueDeviceResolution(); screenWidth = screenDimens[0]; screenHeight = screenDimens[1]; } else { //API levels 17+. Display display = getWindowManager().getDefaultDisplay(); DisplayMetrics metrics = new DisplayMetrics(); display.getRealMetrics(metrics); screenHeight = metrics.heightPixels; screenWidth = metrics.widthPixels; } int layoutHeight = launcherRootView.getHeight(); int layoutWidth = launcherRootView.getWidth(); int extraHeight = screenHeight - layoutHeight; int extraWidth = screenWidth = layoutWidth; mApp.getSharedPreferences().edit().putInt("KITKAT_HEIGHT", layoutHeight).commit(); mApp.getSharedPreferences().edit().putInt("KITKAT_WIDTH", layoutWidth).commit(); mApp.getSharedPreferences().edit().putInt("KITKAT_HEIGHT_LAND", layoutWidth - extraHeight) .commit(); mApp.getSharedPreferences().edit().putInt("KITKAT_WIDTH_LAND", screenHeight).commit(); } catch (Exception e) { e.printStackTrace(); } } }); //Build the music library based on the user's scan frequency preferences. int scanFrequency = mApp.getSharedPreferences().getInt("SCAN_FREQUENCY", 5); int updatedStartCount = mApp.getSharedPreferences().getInt("START_COUNT", 1); //Launch the appropriate activity based on the "FIRST RUN" flag. if (mApp.getSharedPreferences().getBoolean(Common.FIRST_RUN, true) == true) { //Create the default Playlists directory if it doesn't exist. File playlistsDirectory = new File(Environment.getExternalStorageDirectory() + "/Playlists/"); if (!playlistsDirectory.exists() || !playlistsDirectory.isDirectory()) { playlistsDirectory.mkdir(); } //Disable equalizer for HTC devices by default. if (mApp.getSharedPreferences().getBoolean(Common.FIRST_RUN, true) == true && Build.PRODUCT.contains("HTC")) { mApp.getSharedPreferences().edit().putBoolean("EQUALIZER_ENABLED", false).commit(); } //Send out a test broadcast to initialize the homescreen/lockscreen widgets. sendBroadcast(new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_HOME)); Intent intent = new Intent(this, WelcomeActivity.class); startActivity(intent); overridePendingTransition(R.anim.fade_in, R.anim.fade_out); } else if (mApp.isBuildingLibrary()) { buildingLibraryMainText = (TextView) findViewById(R.id.building_music_library_text); buildingLibraryInfoText = (TextView) findViewById(R.id.building_music_library_info); buildingLibraryLayout = (RelativeLayout) findViewById(R.id.building_music_library_layout); buildingLibraryInfoText.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); buildingLibraryInfoText.setPaintFlags( buildingLibraryInfoText.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG); buildingLibraryMainText.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); buildingLibraryMainText.setPaintFlags( buildingLibraryMainText.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG); buildingLibraryMainText.setText(R.string.jams_is_building_library); buildingLibraryLayout.setVisibility(View.VISIBLE); //Initialize the runnable that will fire once the scan process is complete. mHandler.post(scanFinishedCheckerRunnable); } else if (mApp.getSharedPreferences().getBoolean("RESCAN_ALBUM_ART", false) == true) { buildingLibraryMainText = (TextView) findViewById(R.id.building_music_library_text); buildingLibraryInfoText = (TextView) findViewById(R.id.building_music_library_info); buildingLibraryLayout = (RelativeLayout) findViewById(R.id.building_music_library_layout); buildingLibraryInfoText.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); buildingLibraryInfoText.setPaintFlags( buildingLibraryInfoText.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG); buildingLibraryMainText.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); buildingLibraryMainText.setPaintFlags( buildingLibraryMainText.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG); buildingLibraryMainText.setText(R.string.jams_is_caching_artwork); initScanProcess(0); } else if ((mApp.getSharedPreferences().getBoolean("REBUILD_LIBRARY", false) == true) || (scanFrequency == 0 && mApp.isScanFinished() == false) || (scanFrequency == 1 && mApp.isScanFinished() == false && updatedStartCount % 3 == 0) || (scanFrequency == 2 && mApp.isScanFinished() == false && updatedStartCount % 5 == 0) || (scanFrequency == 3 && mApp.isScanFinished() == false && updatedStartCount % 10 == 0) || (scanFrequency == 4 && mApp.isScanFinished() == false && updatedStartCount % 20 == 0)) { buildingLibraryMainText = (TextView) findViewById(R.id.building_music_library_text); buildingLibraryInfoText = (TextView) findViewById(R.id.building_music_library_info); buildingLibraryLayout = (RelativeLayout) findViewById(R.id.building_music_library_layout); buildingLibraryInfoText.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); buildingLibraryInfoText.setPaintFlags( buildingLibraryInfoText.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG); buildingLibraryMainText.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); buildingLibraryMainText.setPaintFlags( buildingLibraryMainText.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG); initScanProcess(1); } else { //Check if this activity was called from Settings. if (getIntent().hasExtra("UPGRADE")) { if (getIntent().getExtras().getBoolean("UPGRADE") == true) { mExplicitShowTrialFragment = true; } else { mExplicitShowTrialFragment = false; } } //initInAppBilling(); launchMainActivity(); } //Fire away a report to Google Analytics. try { if (mApp.isGoogleAnalyticsEnabled() == true) { EasyTracker easyTracker = EasyTracker.getInstance(this); easyTracker.send(MapBuilder.createEvent("Jelly startup.", // Event category (required) "User started Jelly.", // Event action (required) "User started Jelly.", // Event label null) // Event value .build()); } } catch (Exception e) { e.printStackTrace(); } } private int[] getTrueDeviceResolution() { int[] resolution = new int[2]; try { Display display = getWindowManager().getDefaultDisplay(); Method mGetRawH = Display.class.getMethod("getRawHeight"); Method mGetRawW = Display.class.getMethod("getRawWidth"); int rawWidth = (Integer) mGetRawW.invoke(display); int rawHeight = (Integer) mGetRawH.invoke(display); resolution[0] = rawWidth; resolution[1] = rawHeight; } catch (Exception e) { e.printStackTrace(); } return resolution; } private void initScanProcess(int scanCode) { //Start the service that will start scanning the user's library/caching album art. mApp.setIsBuildingLibrary(true); buildingLibraryLayout.setVisibility(View.VISIBLE); if (scanCode == 0) { Intent intent = new Intent(this, BuildMusicLibraryService.class); intent.putExtra("SCAN_TYPE", "RESCAN_ALBUM_ART"); startService(intent); mApp.getSharedPreferences().edit().putBoolean("RESCAN_ALBUM_ART", false).commit(); } else if (scanCode == 1) { Intent intent = new Intent(this, BuildMusicLibraryService.class); intent.putExtra("SCAN_TYPE", "FULL_SCAN"); startService(intent); mApp.getSharedPreferences().edit().putBoolean("REBUILD_LIBRARY", false).commit(); } //Initialize the runnable that will fire once the scan process is complete. mHandler.post(scanFinishedCheckerRunnable); } private Runnable scanFinishedCheckerRunnable = new Runnable() { @Override public void run() { if (mApp.isBuildingLibrary() == false) { launchMainActivity(); } else { mHandler.postDelayed(this, 100); } } }; /*private void initInAppBilling() { String base64EncodedPublicKey = ""; base64EncodedPublicKey = Common.uid4 + Common.uid2 + Common.uid6 + Common.uid1 + Common.uid3 + Common.uid5; mHelper = new IabHelper(this, base64EncodedPublicKey); try { mHelper.startSetup(new IabHelper.OnIabSetupFinishedListener() { @Override public void onIabSetupFinished(IabResult result) { if (!result.isSuccess()) { //In-app billing could not be initialized. mApp.getSharedPreferences().edit().putBoolean("TRIAL", true).commit(); checkTrialStatus(); } else { //In-app billing was initialized successfully. mHelper.queryInventoryAsync(mGotInventoryListener); } } }); } catch (Exception e) { e.printStackTrace(); checkTrialStatus(); } }*/ /*IabHelper.QueryInventoryFinishedListener mGotInventoryListener = new IabHelper.QueryInventoryFinishedListener() { public void onQueryInventoryFinished(IabResult result, Inventory inventory) { if (result.isFailure()) { //Couldn't query in-app purchases. checkTrialStatus(); mApp.getSharedPreferences().edit().putBoolean("TRIAL", true).commit(); } else { //Check if the user bought the unlocker. mPurchased = inventory.hasPurchase(ITEM_SKU); mPurchasedPromo = inventory.hasPurchase(ITEM_SKU_PROMO); } //If the developer (yours truly) is using the app, skip the trial process. final AccountManager accountManager = AccountManager.get(mContext); final Account[] accounts = accountManager.getAccountsByType("com.google"); boolean developerEdition = false; for (int i=0; i < accounts.length; i++) { if (accounts[i].name.equals("jamsmusicplayer@gmail.com")) { developerEdition = true; } } if (mPurchased==true || mPurchasedPromo==true || developerEdition==true) { //The user bought the app. mApp.getSharedPreferences().edit().putBoolean("TRIAL", false).commit(); launchMainActivity(); } else { //The user is still running the trial version. checkTrialStatus(); mApp.getSharedPreferences().edit().putBoolean("TRIAL", true).commit(); } } }; IabHelper.OnIabPurchaseFinishedListener mPurchaseFinishedListener = new IabHelper.OnIabPurchaseFinishedListener() { public void onIabPurchaseFinished(IabResult result, Purchase purchase) { if (result.isFailure()) { Toast.makeText(mContext, R.string.unable_to_purchase, Toast.LENGTH_LONG).show(); mApp.getSharedPreferences().edit().putBoolean("TRIAL", true).commit(); return; } else if (purchase.getSku().equals(ITEM_SKU)) { Toast.makeText(mContext, R.string.jams_trial_time_removed, Toast.LENGTH_LONG).show(); mApp.getSharedPreferences().edit().putBoolean("TRIAL", false).commit(); launchMainActivity(); } } };*/ /* Checks the trial version status of the app. The first install time of the app is * retrieved and then compared against the current time. If the current time is more * than 7 days away from the first install time, the trial version has expired and the * user will be prompted to buy the full version unlocker. If the current time is less * than 7 days away from the first install time of the app, the trial version is still * valid and the app will continue running normally. * * This approach has a major drawback: The user can simply uninstall the app at the end * of the trial period, reinstall it, and he/she will get a full 7 day trial again. To * avoid this issue, we'll create a hidden file called ".jams_info" in the user's external * storage directory (Environment.getExternalStorageDir()). The file will contain one * line: The time in millis that is 10 days in the future from the first install time. * The trial expires in 7 days, so the extra 3 days will be a "buffer" time period that * will discourage free-loaders from simply reinstalling the app and reusing it. If a * user wants to try the app again, they can do so 3 days after their trial expires. * * Every time the app starts up, it will first check for the ".jams_info" file. If it exists, * Jams will check to make sure that the current time is earlier/before the time that has * just been read in. If it is, the app will open up. If it isn't, the user will get the * trial expiry dialog. */ /*public void checkTrialStatus() { PackageManager pm = mContext.getPackageManager(); PackageInfo packageInfo = null; try { packageInfo = pm.getPackageInfo("com.jams.music.player", PackageManager.GET_ACTIVITIES); } catch (NameNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } long firstInstallTime = packageInfo.firstInstallTime; long currentTime = System.currentTimeMillis(); long expiryTime = firstInstallTime + 604800000l; long numDaysRemainingMillis = expiryTime - currentTime; if (currentTime >= expiryTime) { //The trial version has expired. //Write a file to the sdcard that stores the trial's reactivation time (3 days in the future). long trialReactivationTime = System.currentTimeMillis() + 259200000l; File file = new File(Environment.getExternalStorageDirectory() + "/.jams_info"); try { if (file.exists()) { file.delete(); } FileUtils.write(file, "" + trialReactivationTime, false); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } //Prompt the user to buy the full version of the app. showTrialFragment(true, 0); //showTrialDialog(true, 0); } else { //The trial version is still valid. boolean trialValid = checkTrialReactivationTime(); if (trialValid) { //The trial is still valid. Show the trial dialog every 5 startups. long numDaysRemaining = (long) (numDaysRemainingMillis / (1000*60*60*24)); float updatedStartCount = mApp.getSharedPreferences().getInt("START_COUNT", 1); if ((updatedStartCount/5)==(Math.round(updatedStartCount/5)) || mExplicitShowTrialFragment) { showTrialFragment(false, (int) numDaysRemaining); //showTrialDialog(false, (int) numDaysRemaining); } else { launchMainActivity(); } } else { //The trial has expired. showTrialFragment(true, 0); //showTrialDialog(true, 0); } } }*/ /* This method checks for the /sdcard/.jams_info file. If it exists, * it tries to read the reactivation time from the file. * Checks if the current time is 3 days (or more) in the future * than the time that was just read. If so, returns true. If not, * returns false. */ private boolean checkTrialReactivationTime() { File file = new File(Environment.getExternalStorageDirectory() + "/.jelly_info"); if (file.exists()) { //The file exists. Try reading the reactivation time from it. String time = null; long reactivationTime = -1; try { time = FileUtils.readFileToString(file); reactivationTime = Long.parseLong(time); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); reactivationTime = -1; } catch (Exception e) { e.printStackTrace(); reactivationTime = -1; } if (reactivationTime != -1) { //Check if the current time is later than the reactivation time. long currentTime = System.currentTimeMillis(); if (currentTime >= reactivationTime) { //Yeap, the trial's been reactivated. return true; } else { //Nope, the trial's still in the expired state. return false; } } else { //We were unable to read the activation time. Continue the trial. return true; } } else { //The file doesn't exist, so the trial is active. return true; } } private void showTrialFragment(final boolean expired, int numDaysRemaining) { //Load the trial fragment into the activity. TrialFragment fragment = new TrialFragment(); Bundle bundle = new Bundle(); bundle.putInt("NUM_DAYS_REMAINING", numDaysRemaining); bundle.putBoolean("EXPIRED", expired); fragment.setArguments(bundle); FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); transaction.replace(R.id.launcher_root_view, fragment, "trialFragment"); transaction.commit(); } private void showUpgradeFragmentWithPromo() { /*SpecialUpgradeOfferFragment fragment = new SpecialUpgradeOfferFragment(); FragmentTransaction transaction = getSupportFragmentManager().beginTransaction(); transaction.replace(R.id.launcher_root_view, fragment, "specialUpgradeOfferFragment"); transaction.commit();*/ } public void showTrialDialog(final boolean expired, int numDaysRemaining) { AlertDialog.Builder builder = new AlertDialog.Builder(mContext); builder.setTitle(R.string.app_name); builder.setCancelable(false); View view = this.getLayoutInflater().inflate(R.layout.trial_expiry_dialog, null); TextView trialExpiredText = (TextView) view.findViewById(R.id.trial_message); TextView trialDaysRemaining = (TextView) view.findViewById(R.id.trial_days_remaining); TextView trialDaysCaps = (TextView) view.findViewById(R.id.days_caps); trialExpiredText.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); trialExpiredText .setPaintFlags(trialExpiredText.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG); trialDaysRemaining.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); trialDaysCaps.setTypeface(TypefaceHelper.getTypeface(mContext, "RobotoCondensed-Light")); trialDaysCaps .setPaintFlags(trialDaysCaps.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG); if (expired) { trialDaysRemaining.setText(R.string.expired); trialExpiredText.setText(R.string.trial_expired); trialDaysRemaining.setTextColor(0xFFFF8800); trialDaysCaps.setVisibility(View.GONE); trialDaysRemaining.setTextSize(36); trialDaysRemaining.setPaintFlags( trialDaysRemaining.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG); } else { trialExpiredText.setText(R.string.trial_running); trialDaysRemaining.setText("" + numDaysRemaining); trialDaysCaps.setVisibility(View.VISIBLE); trialDaysRemaining.setTextColor(0xFF0099CC); trialDaysRemaining.setPaintFlags(trialDaysRemaining.getPaintFlags() | Paint.ANTI_ALIAS_FLAG | Paint.SUBPIXEL_TEXT_FLAG | Paint.FAKE_BOLD_TEXT_FLAG); } builder.setView(view); builder.setPositiveButton(R.string.upgrade, new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { showUpgradeFragmentWithPromo(); } }); builder.setNegativeButton(R.string.later, new OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { if (expired) { finish(); } else { launchMainActivity(); } } }); builder.create().show(); } private void launchMainActivity() { Intent intent = new Intent(mContext, MainActivity.class); int startupScreen = mApp.getSharedPreferences().getInt("STARTUP_SCREEN", 0); switch (startupScreen) { case 0: intent.putExtra("TARGET_FRAGMENT", "ARTISTS"); break; case 1: intent.putExtra("TARGET_FRAGMENT", "ALBUM_ARTISTS"); break; case 2: intent.putExtra("TARGET_FRAGMENT", "ALBUMS"); break; case 3: intent.putExtra("TARGET_FRAGMENT", "SONGS"); break; case 4: intent.putExtra("TARGET_FRAGMENT", "PLAYLISTS"); break; case 5: intent.putExtra("TARGET_FRAGMENT", "GENRES"); break; case 6: intent.putExtra("TARGET_FRAGMENT", "FOLDERS"); break; } startActivity(intent); overridePendingTransition(R.anim.fade_in, R.anim.fade_out); finish(); } public void showErrorDialog(final int code) { runOnUiThread(new Runnable() { @Override public void run() { Dialog d = GooglePlayServicesUtil.getErrorDialog(code, LauncherActivity.this, REQUEST_CODE_RECOVER_FROM_PLAY_SERVICES_ERROR); d.show(); } }); } /** Given a URI, returns a map of campaign data that can be sent with * any GA hit. * * @param uri A hierarchical URI that may or may not have campaign data * stored in query parameters. * * @return A map that may contain campaign or referrer * that may be sent with any Google Analytics hit. */ private Map<String, String> getReferrerMapFromUri(Uri uri) { MapBuilder paramMap = new MapBuilder(); //If no URI, return an empty Map. if (uri == null) { return paramMap.build(); } /* Source is the only required campaign field. No need to continue if not * present. */ if (uri.getQueryParameter(CAMPAIGN_SOURCE_PARAM) != null) { /* MapBuilder.setCampaignParamsFromUrl parses Google Analytics campaign * ("UTM") parameters from a string URL into a Map that can be set on * the Tracker. */ paramMap.setCampaignParamsFromUrl(uri.toString()); /* If no source parameter, set authority to source and medium to * "referral". */ } else if (uri.getAuthority() != null) { paramMap.set(Fields.CAMPAIGN_MEDIUM, "referral"); paramMap.set(Fields.CAMPAIGN_SOURCE, uri.getAuthority()); } return paramMap.build(); } @Override public void onPause() { super.onPause(); try { if (isFinishing() && mHelper != null) { mHelper.dispose(); mHelper = null; } finish(); } catch (Exception e) { e.printStackTrace(); } } @Override public void onDestroy() { super.onDestroy(); try { if (mHelper != null) { mHelper.dispose(); mHelper = null; } } catch (Exception e) { e.printStackTrace(); } } @Override public void onStart() { super.onStart(); //GAnalytics. try { if (mApp.isGoogleAnalyticsEnabled() == true) { EasyTracker.getInstance(this).activityStart(this); //Get the intent that started this Activity. Intent intent = this.getIntent(); Uri uri = intent.getData(); //Send a screenview using any available campaign or referrer data. MapBuilder.createAppView().setAll(getReferrerMapFromUri(uri)); } } catch (Exception e) { e.printStackTrace(); } } @Override public void onStop() { super.onStop(); //GAnalytics. try { if (mApp.isGoogleAnalyticsEnabled() == true) { EasyTracker.getInstance(this).activityStop(this); } } catch (Exception e) { e.printStackTrace(); } } }