How to use

getIconResource

method

in

android.content.pm.ResolveInfo

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
private void tryNewMiuiBadge(Context context, int badgeCount) throws ShortcutBadgeException {
  if (resolveInfo == null) {
    Intent intent = new Intent(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_HOME);
    resolveInfo = context.getPackageManager().resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
  }
  if (resolveInfo != null) {
    NotificationManager mNotificationManager = (NotificationManager) context
        .getSystemService(Context.NOTIFICATION_SERVICE);
    Notification.Builder builder = new Notification.Builder(context)
        .setContentTitle("")
        .setContentText("")
        .setSmallIcon(resolveInfo.getIconResource());
    Notification notification = builder.build();
    try {
      Field field = notification.getClass().getDeclaredField("extraNotification");
      Object extraNotification = field.get(notification);
      Method method = extraNotification.getClass().getDeclaredMethod("setMessageCount", int.class);
      method.invoke(extraNotification, badgeCount);
      mNotificationManager.notify(0, notification);
    } catch (Exception e) {
      throw new ShortcutBadgeException("not able to set badge", e);
    }
  }
}

Drawable loadIconForResolveInfo(ResolveInfo ri) {
  Drawable dr;
  try {
    if (ri.resolvePackageName != null && ri.icon != 0) {
      dr = getIcon(mPm.getResourcesForApplication(ri.resolvePackageName), ri.icon);
      if (dr != null) {
        return dr;
      }
    }
    final int iconRes = ri.getIconResource();
    if (iconRes != 0) {
      dr = getIcon(mPm.getResourcesForApplication(ri.activityInfo.packageName), iconRes);
      if (dr != null) {
        return dr;
      }
    }
  } catch (PackageManager.NameNotFoundException e) {
    VLog.e(TAG, "Couldn't find resources for package\n" + VLog.getStackTraceString(e));
  }
  return ri.loadIcon(mPm);
}

intent.setType("image/jpeg");      
intentList.add(new LabeledIntent(intent, packageName, ri.loadLabel(pm),
   ri.getIconResource()));

@TargetApi(Build.VERSION_CODES.JELLY_BEAN)
private void tryNewMiuiBadge(Context context, int badgeCount) throws ShortcutBadgeException {
  if (resolveInfo == null) {
    Intent intent = new Intent(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_HOME);
    resolveInfo = context.getPackageManager().resolveActivity(intent, PackageManager.MATCH_DEFAULT_ONLY);
  }
  if (resolveInfo != null) {
    NotificationManager mNotificationManager = (NotificationManager) context
        .getSystemService(Context.NOTIFICATION_SERVICE);
    Notification.Builder builder = new Notification.Builder(context)
        .setContentTitle("")
        .setContentText("")
        .setSmallIcon(resolveInfo.getIconResource());
    Notification notification = builder.build();
    try {
      Field field = notification.getClass().getDeclaredField("extraNotification");
      Object extraNotification = field.get(notification);
      Method method = extraNotification.getClass().getDeclaredMethod("setMessageCount", int.class);
      method.invoke(extraNotification, badgeCount);
      mNotificationManager.notify(0, notification);
    } catch (Exception e) {
      throw new ShortcutBadgeException("not able to set badge", e);
    }
  }
}

private Drawable loadIconForResolveInfo(ResolveInfo info) {
  try {
    final int iconRes = info.getIconResource();
    if (iconRes != 0) {
      Resources res = mManager.getResourcesForApplication(info.activityInfo.packageName);
      Drawable icon = ApiCompatibilityUtils.getDrawable(res, iconRes);
      return icon;
    }
  } catch (NameNotFoundException | NotFoundException e) {
    // Could not find the icon. loadIcon call below will return the default app icon.
  }
  return info.loadIcon(mManager);
}

public Drawable getIcon(int density) {
  int iconRes = mResolveInfo.getIconResource();
  Resources resources = null;
  Drawable icon = null;
  // Get the preferred density icon from the app's resources
  if (density != 0 && iconRes != 0) {
    try {
      resources = mPm.getResourcesForApplication(mActivityInfo.applicationInfo);
      icon = resources.getDrawableForDensity(iconRes, density);
    } catch (NameNotFoundException | Resources.NotFoundException exc) {
    }
  }
  // Get the default density icon
  if (icon == null) {
    icon = mResolveInfo.loadIcon(mPm);
  }
  if (icon == null) {
    resources = Resources.getSystem();
    icon = resources.getDrawableForDensity(android.R.mipmap.sym_def_app_icon, density);
  }
  return icon;
}

public Drawable getIcon(int density) {
  int iconRes = mResolveInfo.getIconResource();
  Resources resources = null;
  Drawable icon = null;
  // Get the preferred density icon from the app's resources
  if (density != 0 && iconRes != 0) {
    try {
      resources = mPm.getResourcesForApplication(mActivityInfo.applicationInfo);
      icon = resources.getDrawableForDensity(iconRes, density);
    } catch (NameNotFoundException | Resources.NotFoundException exc) {
    }
  }
  // Get the default density icon
  if (icon == null) {
    icon = mResolveInfo.loadIcon(mPm);
  }
  if (icon == null) {
    resources = Resources.getSystem();
    icon = resources.getDrawableForDensity(android.R.mipmap.sym_def_app_icon, density);
  }
  return icon;
}

Drawable loadIconForResolveInfo(ResolveInfo ri) {
  Drawable dr;
  try {
    if (ri.resolvePackageName != null && ri.icon != 0) {
      dr = getIcon(mPm.getResourcesForApplication(ri.resolvePackageName), ri.icon);
      if (dr != null) {
        return dr;
      }
    }
    final int iconRes = ri.getIconResource();
    if (iconRes != 0) {
      dr = getIcon(mPm.getResourcesForApplication(ri.activityInfo.packageName), iconRes);
      if (dr != null) {
        return dr;
      }
    }
  } catch (PackageManager.NameNotFoundException e) {
    VLog.e(TAG, "Couldn't find resources for package\n" + VLog.getStackTraceString(e));
  }
  return ri.loadIcon(mPm);
}

public Drawable getIcon(int density, IconPackHelper helper) {
  if (helper != null && helper.isIconPackLoaded()) {
    int iconId = helper.getResourceIdForActivityIcon(mActivityInfo);
    if (iconId != 0) {
      isThemed = true;
      return helper.getIconPackResources().getDrawableForDensity(iconId, density);
    }
  }
  int iconRes = mResolveInfo.getIconResource();
  Resources resources = null;
  Drawable icon = null;
  // Get the preferred density icon from the app's resources
  if (density != 0 && iconRes != 0) {
    try {
      resources = mPm.getResourcesForApplication(mActivityInfo.applicationInfo);
      icon = resources.getDrawableForDensity(iconRes, density);
    } catch (NameNotFoundException | Resources.NotFoundException exc) {
    }
  }
  // Get the default density icon
  if (icon == null) {
    icon = mResolveInfo.loadIcon(mPm);
  }
  if (icon == null) {
    resources = Resources.getSystem();
    icon = resources.getDrawableForDensity(android.R.mipmap.sym_def_app_icon, density);
  }
  return icon;
}

Drawable loadIconForResolveInfo(ResolveInfo ri) {
  Drawable dr;
  try {
    if (ri.resolvePackageName != null && ri.icon != 0) {
      dr = getIcon(mPm.getResourcesForApplication(ri.resolvePackageName), ri.icon);
      if (dr != null) {
        return dr;
      }
    }
    final int iconRes = ri.getIconResource();
    if (iconRes != 0) {
      dr = getIcon(mPm.getResourcesForApplication(ri.activityInfo.packageName), iconRes);
      if (dr != null) {
        return dr;
      }
    }
  } catch (PackageManager.NameNotFoundException e) {
    VLog.e(TAG, "Couldn't find resources for package\n" + VLog.getStackTraceString(e));
  }
  return ri.loadIcon(mPm);
}