Java tutorial
//package com.java2s; /* * QuasselDroid - Quassel client for Android * Copyright (C) 2016 Janne Koschinski * Copyright (C) 2016 Ken Brge Viktil * Copyright (C) 2016 Magnus Fjell * Copyright (C) 2016 Martin Sandsmark <martin.sandsmark@kde.org> * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program. If not, see <http://www.gnu.org/licenses/>. */ import android.support.annotation.Nullable; import java.lang.reflect.Field; import java.util.zip.Deflater; public class Main { /** * Creates a SyncFlush Deflater for use on pre-KitKat Android * * @return The modified Deflater, or null if the creation failed */ @Nullable private static Deflater createSyncFlushDeflater() { Deflater def = new Deflater(); try { Field f = def.getClass().getDeclaredField("flushParm"); f.setAccessible(true); f.setInt(def, 2); // Z_SYNC_FLUSH } catch (Exception e) { return null; } return def; } }