Tarelochkin

static File createTempImageFile(Context context) throws IOException {
	String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss",
			Locale.getDefault()).format(new Date());
	String imageFileName = "JPEG_" + timeStamp + "_";
	File storageDir = context.getExternalCacheDir();

	return File.createTempFile(
			imageFileName,  /* prefix */
			".jpg",         /* suffix */
			storageDir      /* directory */

Tarelochkin

//process current time in milliseconds into "00:00 am" format
Timestamp currentTime = new Timestamp(System.currentTimeMillis());
SimpleDateFormat formatter = new SimpleDateFormat(getString(R.string.timeFormat), Locale.getDefault());
String currentTimeString = formatter.format(currentTime); 

//process a number of minutes into "hh:mm" format
long totalMinutesCount = 123;
long hoursCount = TimeUnit.MINUTES.toHours(totalMinutesCount);
long minutesLessHoursCount =
		totalMinutesCount - TimeUnit.HOURS.toMinutes(hoursCount);

Tarelochkin

Driver driver = new GooglePlayDriver(context);
FirebaseJobDispatcher dispatcher = new FirebaseJobDispatcher(driver);

/* Create the Job to periodically create reminders to drink water */
Job constraintReminderJob = dispatcher.newJobBuilder()
		/* The Service that will be used to write to preferences */
		.setService(WaterReminderFirebaseJobService.class)
		/*
		 * Set the UNIQUE tag used to identify this Job.
		 */

Tarelochkin

private static final int WATER_REMINDER_NOTIFICATION_ID = 1138;
/**
 * This pending intent id is used to uniquely reference the pending intent
 */
private static final int WATER_REMINDER_PENDING_INTENT_ID = 3417;
private static final int ACTION_DRINK_PENDING_INTENT_ID = 1;
private static final int ACTION_IGNORE_PENDING_INTENT_ID = 14;

public static void remindUserBecauseCharging(Context context) {

Tarelochkin

int count = PreferenceUtilities.getChargingReminderCount(this);
//the first count parameter selects the appropriate plural string and the second count parameter is inserted into the %d placeholder.
String formattedChargingReminders = getResources().getQuantityString(R.plurals.charge_notification_count, count, count);

Tarelochkin

new ItemTouchHelper(new ItemTouchHelper.SimpleCallback(0, ItemTouchHelper.LEFT | ItemTouchHelper.RIGHT) {
	@Override
	public boolean onMove(RecyclerView recyclerView, RecyclerView.ViewHolder viewHolder, RecyclerView.ViewHolder target) {
		return false;
	}

	// Called when a user swipes left or right on a ViewHolder
	@Override
	public void onSwiped(RecyclerView.ViewHolder viewHolder, int swipeDir) {
		// Here is where you'll implement swipe to delete

Tarelochkin

<ImageView
	android:layout_width="match_parent"
	android:layout_height="wrap_content"
	android:adjustViewBounds="true"
	android:scaleType="fitCenter"/>

Tarelochkin

// save to db
private void saveItem() {
	ContentValues values = new ContentValues();
		values.put(InventoryEntry.COLUMN_IMAGE, BitmapUtility.bitmapToBlob(mBitmap));
}

// retrieve from db (via CursorLoader)
public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
	int imageIndex = cursor.getColumnIndex(InventoryEntry.COLUMN_IMAGE);
	byte[] imageBlob = cursor.getBlob(imageIndex);

Tarelochkin

public final class BitmapUtility {

    private BitmapUtility() {

    }

    // scale the bitmap for a given maximum dimension
    // (width or height depending on the image's aspect ratio)
    public static Bitmap scaleBitmap(Bitmap bitmap, int dp, Context context) {
        int width = bitmap.getWidth();

Tarelochkin

private void pickImage() {
	Intent i = new Intent(Intent.ACTION_GET_CONTENT);
	i.setType("image/*");
	startActivityForResult(i, PICK_PHOTO_FOR_PRODUCT);
}

@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
	super.onActivityResult(requestCode, resultCode, data);
	if (requestCode == PICK_PHOTO_FOR_PRODUCT && resultCode == Activity.RESULT_OK) {