Java Code Examples for android.app.usage.UsageStatsManager#getAppStandbyBucket()

public static @NonNull BucketInfo getInfo(@NonNull UsageStatsManager usageStatsManager, long overLastDurationMs) {
  StringBuilder stringBuilder = new StringBuilder();

  int currentBucket = usageStatsManager.getAppStandbyBucket();
  int worseBucket   = currentBucket;
  int bestBucket    = currentBucket;

  long              now           = System.currentTimeMillis();
  UsageEvents.Event event         = new UsageEvents.Event();
  UsageEvents       usageEvents   = usageStatsManager.queryEventsForSelf(now - overLastDurationMs, now);

  while (usageEvents.hasNextEvent()) {
    usageEvents.getNextEvent(event);

    if (event.getEventType() == UsageEvents.Event.STANDBY_BUCKET_CHANGED) {
      int appStandbyBucket = event.getAppStandbyBucket();

      stringBuilder.append(new Date(event.getTimeStamp()))
                   .append(": ")
                   .append("Bucket Change: ")
                   .append(bucketToString(appStandbyBucket))
                   .append("\n");

      if (appStandbyBucket > worseBucket) {
        worseBucket = appStandbyBucket;
      }
      if (appStandbyBucket < bestBucket) {
        bestBucket = appStandbyBucket;
      }
    }
  }

  return new BucketInfo(currentBucket, worseBucket, bestBucket, stringBuilder);
}
 

private static StringBuilder getAppInfo(Context context) {
    StringBuilder sb = new StringBuilder();

    // Get version info
    String installer = context.getPackageManager().getInstallerPackageName(BuildConfig.APPLICATION_ID);
    sb.append(String.format("%s: %s/%s %s/%s%s%s%s\r\n",
            context.getString(R.string.app_name),
            BuildConfig.APPLICATION_ID,
            installer,
            BuildConfig.VERSION_NAME,
            Helper.hasValidFingerprint(context) ? "1" : "3",
            BuildConfig.PLAY_STORE_RELEASE ? "p" : "",
            BuildConfig.DEBUG ? "d" : "",
            ActivityBilling.isPro(context) ? "+" : ""));
    sb.append(String.format("Android: %s (SDK %d)\r\n", Build.VERSION.RELEASE, Build.VERSION.SDK_INT));
    sb.append("\r\n");

    // Get device info
    sb.append(String.format("uid: %s\r\n", android.os.Process.myUid()));
    sb.append(String.format("Brand: %s\r\n", Build.BRAND));
    sb.append(String.format("Manufacturer: %s\r\n", Build.MANUFACTURER));
    sb.append(String.format("Model: %s\r\n", Build.MODEL));
    sb.append(String.format("Product: %s\r\n", Build.PRODUCT));
    sb.append(String.format("Device: %s\r\n", Build.DEVICE));
    sb.append(String.format("Host: %s\r\n", Build.HOST));
    sb.append(String.format("Display: %s\r\n", Build.DISPLAY));
    sb.append(String.format("Id: %s\r\n", Build.ID));
    sb.append("\r\n");

    sb.append(String.format("Processors: %d\r\n", Runtime.getRuntime().availableProcessors()));

    ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
    sb.append(String.format("Memory class: %d\r\n", am.getMemoryClass()));

    sb.append(String.format("Storage space: %s/%s\r\n",
            Helper.humanReadableByteCount(Helper.getAvailableStorageSpace(), true),
            Helper.humanReadableByteCount(Helper.getTotalStorageSpace(), true)));

    Runtime rt = Runtime.getRuntime();
    long hused = (rt.totalMemory() - rt.freeMemory()) / 1024L;
    long hmax = rt.maxMemory() / 1024L;
    long nheap = Debug.getNativeHeapAllocatedSize() / 1024L;
    sb.append(String.format("Heap usage: %s/%s KiB native: %s KiB\r\n", hused, hmax, nheap));

    WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
    Display display = wm.getDefaultDisplay();
    Point size = new Point();
    display.getSize(size);
    float density = context.getResources().getDisplayMetrics().density;
    sb.append(String.format("Density %f resolution: %.2f x %.2f dp %b\r\n",
            density,
            size.x / density, size.y / density,
            context.getResources().getConfiguration().isLayoutSizeAtLeast(Configuration.SCREENLAYOUT_SIZE_NORMAL)));

    PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
    boolean ignoring = true;
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
        ignoring = pm.isIgnoringBatteryOptimizations(BuildConfig.APPLICATION_ID);
    sb.append(String.format("Battery optimizations: %b\r\n", !ignoring));

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.P) {
        UsageStatsManager usm = (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
        int bucket = usm.getAppStandbyBucket();
        sb.append(String.format("Standby bucket: %d\r\n", bucket));
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        boolean saving = (cm.getRestrictBackgroundStatus() == ConnectivityManager.RESTRICT_BACKGROUND_STATUS_ENABLED);
        sb.append(String.format("Data saving: %b\r\n", saving));
    }

    SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
    boolean reporting = prefs.getBoolean("crash_reports", false);
    if (reporting) {
        String uuid = prefs.getString("uuid", null);
        sb.append(String.format("UUID: %s\r\n", uuid == null ? "-" : uuid));
    }

    sb.append("\r\n");

    sb.append(new Date(Helper.getInstallTime(context))).append("\r\n");
    sb.append(new Date()).append("\r\n");

    sb.append("\r\n");

    return sb;
}
 

public static int getAppStandbyBucket(Context context) {
    UsageStatsManager usageStatsManager =
            (UsageStatsManager) context.getSystemService(Context.USAGE_STATS_SERVICE);
    return usageStatsManager.getAppStandbyBucket();
}