GEMUtil.java

/*
 * Copyright 2016 Substance Mobile
 *
 * 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
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.animbus.music.util;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Build;
import android.util.TypedValue;

public class GEMUtil {

    private GEMUtil() {
        //No "new" statements
    }

    /**
     * Convenience method that simplifies calling intents and such
     * @param cxt The context to start the activity from
     * @param url The url so start
     */
    public static void startUrl(Context cxt, String url) {
        cxt.startActivity(new Intent(Intent.ACTION_VIEW).setData(Uri.parse(url)));
    }

    /**
     * Formats strings to match time. Is either hh:mm:ss or mm:ss
     * @param time The raw time in ms
     * @return The formatted string value
     */
    @SuppressLint("DefaultLocale")
    public static String stringForTime(long time) {
        int totalSeconds = (int) time / 1000;
        int seconds = totalSeconds % 60;
        int minutes = (totalSeconds / 60) % 60;
        int hours = totalSeconds / 3600;
        return hours > 0 ? String.format("%d:%02d:%02d", hours, minutes, seconds) : String.format("%02d:%02d", minutes, seconds);
    }

    ///////////////////////////////////////////////////////////////////////////
    // Android Version Utils
    ///////////////////////////////////////////////////////////////////////////

    public static boolean isLollipop() {
        return Build.VERSION.SDK_INT >= 21;
    }

    public static boolean isMarshmallow() {
        return Build.VERSION.SDK_INT >= 23;
    }

    ///////////////////////////////////////////////////////////////////////////
    // Unit conversions
    ///////////////////////////////////////////////////////////////////////////

    public static float dpToPx(Context context, float dp) {
        return TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, dp, context.getResources().getDisplayMetrics());
    }
}