varundwarkani

com.google.android.play.core.tasks.Task<AppUpdateInfo> appUpdateInfoTask = appUpdateManager.getAppUpdateInfo();
        // Checks that the platform will allow the specified type of update.
        appUpdateInfoTask.addOnSuccessListener(new OnSuccessListener<AppUpdateInfo>() {
            @Override
            public void onSuccess(AppUpdateInfo appUpdateInfo) {
                if (compulsory) {
                    if (appUpdateInfo.updateAvailability() == UpdateAvailability.UPDATE_AVAILABLE
                            // For a flexible update, use AppUpdateType.FLEXIBLE
                            && appUpdateInfo.isUpdateTypeAllowed(IMMEDIATE)) {
                        // Request the update.

varundwarkani

listener = new InstallStateUpdatedListener() {            
@Override
public void onStateUpdate(InstallState state) {
      if (state.installStatus() == InstallStatus.DOWNLOADED) {
             //Display Snackbar/dialog and ask the user to update      
      }
    }
};
appUpdateManager.registerListener(listener);

varundwarkani

private AppUpdateManager appUpdateManager;
private int UPDATE_REQUEST_CODE = 23;
InstallStateUpdatedListener listener;
appUpdateManager = AppUpdateManagerFactory.create(getApplicationContext());

varundwarkani

//Boolean Compulsory is used to decide whether to start immediate update or flexible update.
private void startInAppUpdate(AppUpdateInfo appUpdateInfo, boolean compulsory) {
  try {
    if (compulsory) {
      appUpdateManager.startUpdateFlowForResult(
        appUpdateInfo,
        IMMEDIATE,
        this,
        UPDATE_REQUEST_CODE);
    } else {

varundwarkani

//Boolean Compulsory is used to decide whether to start immediate update or flexible update.
private void startInAppUpdate(AppUpdateInfo appUpdateInfo, boolean compulsory) {
  try {
    if (compulsory) {
      appUpdateManager.startUpdateFlowForResult(
        appUpdateInfo,
        IMMEDIATE,
        this,
        UPDATE_REQUEST_CODE);
    } else {

varundwarkani

private void setInAppUpdateSuccessListener(final boolean compulsory) {
        if (appUpdateManager == null) {
            appUpdateManager = AppUpdateManagerFactory.create(getApplicationContext());
        }
        appUpdateManager.getAppUpdateInfo().addOnSuccessListener(new OnSuccessListener<AppUpdateInfo>() {
            @Override
            public void onSuccess(AppUpdateInfo appUpdateInfo) {
                if (appUpdateInfo.updateAvailability() == UpdateAvailability.DEVELOPER_TRIGGERED_UPDATE_IN_PROGRESS) {
                    try {
                        //call startInAppUpdate() from here as the user might have started an update before but did not download it completely.

varundwarkani

private void popupSnackbarForCompleteUpdate() {
        if (!isFinishing()) {
            new AlertDialog.Builder(this)
                    .setMessage(getString(R.string.inapp_downloaded))
                    .setCancelable(false)
                    .setPositiveButton(getString(R.string.install), new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                            appUpdateManager.unregisterListener(listener);
                            appUpdateManager.completeUpdate();

varundwarkani

public static void backupDatabase(Context context) {
        AppDatabase appDatabase = AppDatabase.getAppDatabase(context);
        appDatabase.close();
        File dbfile = context.getDatabasePath(DATABASE_NAME);
        File sdir = new File(getFilePath(context, 0), "backup");
        String fileName = FILE_NAME + getDateFromMillisForBackup(System.currentTimeMillis());
        String sfpath = sdir.getPath() + File.separator + fileName;
        if (!sdir.exists()) {
            sdir.mkdirs();
        } else {

varundwarkani

public static void checkAndDeleteBackupFile(File directory, String path) {
        //This is to prevent deleting extra file being deleted which is mentioned in previous comment lines.
        File currentDateFile = new File(path);
        int fileIndex = -1;
        long lastModifiedTime = System.currentTimeMillis();

        if (!currentDateFile.exists()) {
            File[] files = directory.listFiles();
            if (files != null && files.length >= MAXIMUM_DATABASE_FILE) {
                for (int i = 0; i < files.length; i++) {

varundwarkani

public static void backupDatabaseForRestore(Activity activity, Context context) {
        File dbfile = activity.getDatabasePath(DATABASE_NAME);
        File sdir = new File(getFilePath(context, 0), "backup");
        String sfpath = sdir.getPath() + File.separator + BACKUP_RESTORE_ROLLBACK_FILE_NAME;
        if (!sdir.exists()) {
            sdir.mkdirs();
        }
        File savefile = new File(sfpath);
        if (savefile.exists()) {
            Log.d(LOGGER, "Backup Restore - File exists. Deleting it and then creating new file.");