agramian

public static final Observable<Long> getExponentialBackoffSequence(@Nullable Long startValue,
                                                                   @Nullable Long maxValue,
                                                                   @Nullable Long multiplier,
                                                                   @Nullable Long sequenceLength,
                                                                   @Nullable Long maxValueRepeatCount) {
    // set defaults if necessary
    if (startValue == null) {
        startValue = 1L;
    }
    final long start = startValue;

agramian

import android.graphics.Rect;
import android.os.Handler;
import android.os.SystemClock;
import android.text.Editable;
import android.text.GetChars;
import android.text.NoCopySpan;
import android.text.Spannable;
import android.text.Spanned;
import android.text.TextUtils;
import android.text.TextWatcher;

agramian

// Tell the media scanner about the new file so that it is
// immediately available to the user.
MediaScannerConnection.scanFile(context.getApplicationContext(),
        new String[] { file.toString() }, null, (path, uri) -> {
            Log.i("ExternalStorage", "Scanned " + path + ":");
            Log.i("ExternalStorage", "-> uri=" + uri);
            // make the file visible in the downloads app
            DownloadManager downloadManager = (DownloadManager) context.getSystemService(Context.DOWNLOAD_SERVICE);
            downloadManager.addCompletedDownload(file.getName(), file.getName(), true, "application/gpx+xml", file.getAbsolutePath(), file.length(), true);
        });