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package com.example.myapplication.utils;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;


public final class DateUtils {

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package com.example.myapplicationutils;

import android.text.Editable;
import android.text.TextWatcher;
import android.widget.EditText;


public abstract class MaskEditUtil {

    public static final String FORMAT_CPF = "###.###.###-##";

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public class ColoredSnackBar {

    private static final int red = 0xfff44336;
    private static final int green = 0xff4caf50;
    private static final int blue = 0xff2195f3;
    private static final int orange = 0xffffc107;


    private static View getSnackBarLayout(Snackbar snackbar) {
        if (snackbar != null) {

jesselima

package com.udacity.popularmovies.adapters;

import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.support.annotation.NonNull;
import android.support.transition.TransitionManager;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.view.LayoutInflater;

jesselima

You can use this class to realize a simple sectioned grid RecyclerView.Adapter without changing your code.

The RecyclerView has to use a GridLayoutManager.

This is a porting of the class SimpleSectionedListAdapter provided by Google

If you are looking for a sectioned list RecyclerView.Adapter you can take a look here

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public class HelperUtil {

    private final HelperUtilImpl mImpl;

    public  HelperUtil (Context context) {

        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {
            mImpl =  new HelperUtilImplL(context);
        } else if (Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT) {
            mImpl = new HelperUtilImplKK(context);

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public class HelperUtil {

    public static HelperUtilBase getInstance(Context context) {

        if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {
            return new HelperUtilL(context);
        } else if (Build.VERSION.SDK_INT == Build.VERSION_CODES.KITKAT) {
            return new HelperUtilKK(context);
        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
            return new HelperUtilJB(context);

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package com.udacity.popularmovies.utils;


import android.content.Context;
import android.support.design.widget.BottomNavigationView;
import android.support.design.widget.CoordinatorLayout;
import android.support.v4.view.ViewCompat;
import android.util.AttributeSet;
import android.view.View;
import android.widget.FrameLayout;

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package com.udacity.popularmovies.adapters;

import android.content.Context;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentPagerAdapter;

import com.udacity.popularmovies.R;
import com.udacity.popularmovies.fragments.MovieDetailsFragment;
import com.udacity.popularmovies.fragments.MovieReviewsFragment;

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package com.example.android.sunshine.app;

import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.CursorLoader;
import android.support.v4.content.Loader;


public class ForecastFragment extends Fragment implements LoaderManager.LoaderCallbacks<Cursor> {