Java tutorial
package com.master.metehan.filtereagle; /* This file is part of NetGuard. NetGuard 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. NetGuard 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 NetGuard. If not, see <http://www.gnu.org/licenses/>. Copyright 2015-2016 by Marcel Bokhorst (M66B) */ import android.content.Context; import android.content.res.TypedArray; import android.database.Cursor; import android.graphics.drawable.Drawable; import android.os.AsyncTask; import android.os.Build; import android.support.v4.graphics.drawable.DrawableCompat; import android.util.TypedValue; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.CursorAdapter; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import java.net.InetAddress; import java.net.UnknownHostException; import java.text.SimpleDateFormat; public class AdapterAccess extends CursorAdapter { private static String TAG = "FilterEagle.Access"; private int colID; private int colVersion; private int colProtocol; private int colDaddr; private int colDPort; private int colTime; private int colAllowed; private int colBlock; private int colSent; private int colReceived; private int colConnections; private int colorText; private int colorOn; private int colorOff; public AdapterAccess(Context context, Cursor cursor) { super(context, cursor, 0); colID = cursor.getColumnIndex("ID"); colVersion = cursor.getColumnIndex("version"); colProtocol = cursor.getColumnIndex("protocol"); colDaddr = cursor.getColumnIndex("daddr"); colDPort = cursor.getColumnIndex("dport"); colTime = cursor.getColumnIndex("time"); colAllowed = cursor.getColumnIndex("allowed"); colBlock = cursor.getColumnIndex("block"); colSent = cursor.getColumnIndex("sent"); colReceived = cursor.getColumnIndex("received"); colConnections = cursor.getColumnIndex("connections"); TypedArray ta = context.getTheme().obtainStyledAttributes(new int[] { android.R.attr.textColorSecondary }); try { colorText = ta.getColor(0, 0); } finally { ta.recycle(); } TypedValue tv = new TypedValue(); context.getTheme().resolveAttribute(R.attr.colorOn, tv, true); colorOn = tv.data; context.getTheme().resolveAttribute(R.attr.colorOff, tv, true); colorOff = tv.data; } @Override public View newView(Context context, Cursor cursor, ViewGroup parent) { return LayoutInflater.from(context).inflate(R.layout.access, parent, false); } @Override public void bindView(final View view, final Context context, final Cursor cursor) { // Get values final long id = cursor.getLong(colID); final int version = cursor.getInt(colVersion); final int protocol = cursor.getInt(colProtocol); final String daddr = cursor.getString(colDaddr); final int dport = cursor.getInt(colDPort); long time = cursor.getLong(colTime); int allowed = cursor.getInt(colAllowed); int block = cursor.getInt(colBlock); long sent = cursor.isNull(colSent) ? -1 : cursor.getLong(colSent); long received = cursor.isNull(colReceived) ? -1 : cursor.getLong(colReceived); int connections = cursor.isNull(colConnections) ? -1 : cursor.getInt(colConnections); // Get views TextView tvTime = (TextView) view.findViewById(R.id.tvTime); ImageView ivBlock = (ImageView) view.findViewById(R.id.ivBlock); final TextView tvDest = (TextView) view.findViewById(R.id.tvDest); LinearLayout llTraffic = (LinearLayout) view.findViewById(R.id.llTraffic); TextView tvConnections = (TextView) view.findViewById(R.id.tvConnections); TextView tvTraffic = (TextView) view.findViewById(R.id.tvTraffic); // Set values tvTime.setText(new SimpleDateFormat("dd HH:mm").format(time)); if (block < 0) ivBlock.setImageDrawable(null); else { ivBlock.setImageResource(block > 0 ? R.drawable.host_blocked : R.drawable.host_allowed); if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) { Drawable wrap = DrawableCompat.wrap(ivBlock.getDrawable()); DrawableCompat.setTint(wrap, block > 0 ? colorOff : colorOn); } } tvDest.setText( Util.getProtocolName(protocol, version, true) + " " + daddr + (dport > 0 ? "/" + dport : "")); if (Util.isNumericAddress(daddr) && tvDest.getTag() == null) new AsyncTask<String, Object, String>() { @Override protected void onPreExecute() { tvDest.setTag(id); } @Override protected String doInBackground(String... args) { try { return InetAddress.getByName(args[0]).getHostName(); } catch (UnknownHostException ignored) { return args[0]; } } @Override protected void onPostExecute(String addr) { Object tag = tvDest.getTag(); if (tag != null && (Long) tag == id) tvDest.setText(Util.getProtocolName(protocol, version, true) + " >" + addr + (dport > 0 ? "/" + dport : "")); tvDest.setTag(null); } }.execute(daddr); if (allowed < 0) tvDest.setTextColor(colorText); else if (allowed > 0) tvDest.setTextColor(colorOn); else tvDest.setTextColor(colorOff); llTraffic.setVisibility(connections > 0 || sent > 0 || received > 0 ? View.VISIBLE : View.GONE); if (connections > 0) tvConnections.setText(context.getString(R.string.msg_count, connections)); if (sent > 1024 * 1204 * 1024L || received > 1024 * 1024 * 1024L) tvTraffic.setText(context.getString(R.string.msg_gb, (sent > 0 ? sent / (1024 * 1024 * 1024f) : 0), (received > 0 ? received / (1024 * 1024 * 1024f) : 0))); else if (sent > 1204 * 1024L || received > 1024 * 1024L) tvTraffic.setText(context.getString(R.string.msg_mb, (sent > 0 ? sent / (1024 * 1024f) : 0), (received > 0 ? received / (1024 * 1024f) : 0))); else tvTraffic.setText(context.getString(R.string.msg_kb, (sent > 0 ? sent / 1024f : 0), (received > 0 ? received / 1024f : 0))); } }