Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * ImageHelper.java
 *
 * Tigase Android Messenger
 * Copyright (C) 2011-2016 "Tigase, Inc." <office@tigase.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License,
 * or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. Look for COPYING file in the top folder.
 * If not, see http://www.gnu.org/licenses/.
 */

import android.annotation.SuppressLint;

import android.content.ComponentCallbacks2;

import android.graphics.Bitmap;

import android.support.v4.util.LruCache;
import android.util.Log;

import java.util.HashSet;
import java.util.Set;

public class Main {
    private static final String TAG = "ImageHelper";
    protected static LruCache<String, Bitmap> memCache = null;
    private static Set<Bitmap> placeHolders = new HashSet<Bitmap>();

    @SuppressLint("NewApi")
    public static void onTrimMemory(int level) {
        int count = 0;
        if (level >= ComponentCallbacks2.TRIM_MEMORY_UI_HIDDEN) {
            count = 10;
            if (level >= ComponentCallbacks2.TRIM_MEMORY_BACKGROUND) {
                count = 0;
            }
        } else
            return;

        int size = 0;
        if (count > 0) {
            for (Bitmap b : placeHolders) {
                size += b.getByteCount();
            }
        }

        int trimSize = placeHolders.size() == 0 ? 0 : ((count * size) / placeHolders.size());
        Log.v(TAG, "trim image cache from " + memCache.size() + " to " + trimSize
                + " to reduce memory usage, max size " + memCache.maxSize());
        memCache.trimToSize(trimSize);
    }
}