Folyd

public abstract class IncrementTimer {
    /**
     * Millis since epoch when alarm should stop.
     */
    private final long mMillisInFuture;

    /**
     * The interval in millis that the user receives callbacks
     */
    private final long mIncrementInterval;

Folyd

/*
 * Copyright 2014 The Android Open Source Project
 *
 * 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

Folyd

public class VideoPickerActivity extends Activity{
    
    private final int REQUEST_PICK_VIDEO = 1;

    public void onVideoPickClick(View view) {
        Intent intent = new Intent(Intent.ACTION_PICK, MediaStore.Video.Media.EXTERNAL_CONTENT_URI);
        startActivityForResult(intent, REQUEST_PICK_VIDEO);
    }

    @Override

Folyd

public class LoadMoreView extends LinearLayout {
    private TextView mTipText;
    private ProgressBar mProgressBar;

    private boolean mIsLoading;
    private boolean mIsDone;

    private int mLimit = 20;
    private String mCursor = null;
    private int mPage = 1;

Folyd

public class Utils {
    /**
     * To record the user click time.
     */
    private static long sLastClickTime = 0L;

    /**
     * Get device unique identify.
     *
     * @param context

Folyd

import android.os.AsyncTask;
import android.text.TextUtils;
import android.util.Log;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

Folyd

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.support.annotation.NonNull;
import android.util.AttributeSet;
import android.view.View;

Folyd

import android.os.Handler;

/**
 * A helper class can toggle target object visibility automatically.
 * It is very useful for MediaController (or ActionBar) when play video in Activity.
 */
public abstract class ToggleVisibilityHelper {

    /**
     * Record the time while user lasted click.

Folyd

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.view.MotionEvent;

import com.folyd.app.R;

public class NonSwipeableViewPager extends ViewPager {

Folyd

import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.view.View;

import com.theonepiano.smartpiano.R;