Import miniabs 1.0 source
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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package com.miniabs;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.net.HttpURLConnection;
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import java.util.ArrayList;
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import java.util.List;
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import org.json.JSONObject;
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import android.app.IntentService;
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import android.app.Notification;
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import android.app.NotificationManager;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.content.Intent;
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import android.net.wifi.WifiManager;
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import android.os.PowerManager;
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/** Downloads episodes one at a time to the SD card, resuming partial files. */
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public class DownloadService extends IntentService {
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private static final int NOTIF_ID = 2;
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private static final List<Episode> queue = new ArrayList<Episode>();
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static volatile Episode current;
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static volatile int percent;
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static volatile String lastError;
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private static volatile String cancelId;
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public DownloadService() {
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super("MiniABS downloads");
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}
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static void enqueue(Context c, Episode e) {
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synchronized (queue) {
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if (current != null && current.id.equals(e.id)) return;
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for (Episode q : queue) if (q.id.equals(e.id)) return;
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queue.add(e);
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}
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lastError = null;
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c.startService(new Intent(c, DownloadService.class).putExtra("ep", e.toJson().toString()));
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}
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static void cancel(String epId) {
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synchronized (queue) {
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for (int i = queue.size() - 1; i >= 0; i--) if (queue.get(i).id.equals(epId)) queue.remove(i);
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}
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Episode cur = current;
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if (cur != null && cur.id.equals(epId)) cancelId = epId;
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}
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static List<Episode> queued() {
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synchronized (queue) {
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return new ArrayList<Episode>(queue);
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}
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}
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static boolean busyWith(String epId) {
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Episode cur = current;
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if (cur != null && cur.id.equals(epId)) return true;
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synchronized (queue) {
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for (Episode q : queue) if (q.id.equals(epId)) return true;
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}
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return false;
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}
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@Override
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protected void onHandleIntent(Intent intent) {
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Episode e;
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try {
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e = Episode.fromStored(new JSONObject(intent.getStringExtra("ep")));
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} catch (Exception ex) {
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return;
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}
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synchronized (queue) {
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boolean found = false;
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for (int i = 0; i < queue.size(); i++) {
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if (queue.get(i).id.equals(e.id)) {
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queue.remove(i);
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found = true;
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break;
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}
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}
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if (!found) return; // cancelled while waiting
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current = e;
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}
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percent = 0;
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cancelId = null;
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PowerManager.WakeLock wake = ((PowerManager) getSystemService(POWER_SERVICE))
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.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, "MiniABS download");
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WifiManager.WifiLock wifi = ((WifiManager) getSystemService(WIFI_SERVICE))
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.createWifiLock(WifiManager.WIFI_MODE_FULL, "MiniABS download");
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wake.acquire();
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wifi.acquire();
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try {
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download(e);
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if (e.id.equals(cancelId)) {
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Downloads.delete(this, e);
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}
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} catch (Exception ex) {
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if (!e.id.equals(cancelId)) {
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lastError = "Download failed: " + Util.describe(ex);
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notifyDone(e.title, lastError);
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}
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} finally {
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current = null;
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cancelId = null;
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stopForeground(true);
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wifi.release();
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wake.release();
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}
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}
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private void download(Episode e) throws IOException {
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if (Prefs.get(this).wifiOnly() && !Util.onWifi(this)) {
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throw new IOException("not on Wi-Fi (Settings: Download on Wi-Fi only)");
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}
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File dir = Downloads.dir(this);
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if (Downloads.audio(this, e) != null) {
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Downloads.saved(this, e);
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return;
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}
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if (e.ino.length() == 0) throw new IOException("this episode has no audio file");
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File part = new File(dir, e.id + ".part");
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Notification n = progressNotification(e, 0);
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startForeground(NOTIF_ID, n);
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Api.ensureFresh(this, 600);
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HttpURLConnection conn = null;
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int code = 0;
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long have = part.exists() ? part.length() : 0;
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boolean refreshed = false;
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String[] urls = Api.downloadUrls(this, e);
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for (int i = 0; i < urls.length; i++) {
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conn = Api.open(this, urls[i], "GET");
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conn.setReadTimeout(60000);
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if (have > 0) conn.setRequestProperty("Range", "bytes=" + have + "-");
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code = Api.responseCode(conn);
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if (code == 401 && !refreshed && Prefs.get(this).canRefresh()) {
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conn.disconnect();
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Api.refresh(this, true);
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refreshed = true;
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urls = Api.downloadUrls(this, e);
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i--;
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continue;
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}
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if (code == 200 || code == 206) break;
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conn.disconnect();
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if (code == 416 && have > 0) { // stale partial file: start over
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part.delete();
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have = 0;
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i--;
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continue;
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}
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if (code != 404 && code != 403) break;
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}
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if (code != 200 && code != 206) {
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if (code == 401) throw new Api.AuthException("sign-in expired; log in again");
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if (code == 403) throw new IOException("your account isn't allowed to download");
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throw new Api.ApiException(code, "");
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}
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try {
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boolean append = code == 206 && have > 0;
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if (!append) have = 0;
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long len = conn.getContentLength();
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long total = len > 0 ? have + len : (e.size > 0 ? e.size : -1);
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InputStream in = conn.getInputStream();
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OutputStream out = new FileOutputStream(part, append);
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try {
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byte[] buf = new byte[16384];
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long done = have, lastUi = 0;
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int r;
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while ((r = in.read(buf)) > 0) {
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if (e.id.equals(cancelId)) return;
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out.write(buf, 0, r);
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done += r;
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long now = System.currentTimeMillis();
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if (now - lastUi > 1500) {
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lastUi = now;
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percent = total > 0 ? (int) (done * 100 / total) : 0;
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n = progressNotification(e, percent);
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nm().notify(NOTIF_ID, n);
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}
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}
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} finally {
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out.close();
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in.close();
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}
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} finally {
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conn.disconnect();
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}
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if (e.id.equals(cancelId)) return;
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File dest = new File(dir, e.id + e.ext);
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if (!part.renameTo(dest)) throw new IOException("couldn't save the file");
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Downloads.saved(this, e);
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percent = 100;
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}
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private NotificationManager nm() {
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return (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
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}
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private PendingIntent openApp() {
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Intent i = new Intent(this, HomeActivity.class).putExtra("tab", HomeActivity.TAB_SAVED)
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.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
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return PendingIntent.getActivity(this, 1, i, PendingIntent.FLAG_UPDATE_CURRENT);
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}
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private Notification progressNotification(Episode e, int pct) {
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Notification n = new Notification(android.R.drawable.stat_sys_download, null, System.currentTimeMillis());
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n.flags |= Notification.FLAG_ONGOING_EVENT | Notification.FLAG_ONLY_ALERT_ONCE;
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int left;
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synchronized (queue) {
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left = queue.size();
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}
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String text = "Downloading " + pct + "%" + (left > 0 ? " · " + left + " more queued" : "");
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n.setLatestEventInfo(this, e.title, text, openApp());
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return n;
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}
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private void notifyDone(String title, String text) {
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Notification n = new Notification(android.R.drawable.stat_notify_error, text, System.currentTimeMillis());
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n.flags |= Notification.FLAG_AUTO_CANCEL;
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n.setLatestEventInfo(this, title, text, openApp());
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nm().notify(3, n);
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}
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}
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