WallpaperChangeNotification.java

package br.com.dgimenes.nasapic.service;

import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.drawable.BitmapDrawable;
import android.preference.PreferenceManager;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.NotificationCompat;

import br.com.dgimenes.nasapic.R;
import br.com.dgimenes.nasapic.control.activity.MainActivity;
import br.com.dgimenes.nasapic.control.activity.SettingsActivity;

public class WallpaperChangeNotification {
    public static final int WALLPAPER_CHANGED_NOTIFICATION_ID = 123;
    private static final int UNDO_REQUEST_CODE = 458;
    public static final int CHANGING_WALLPAPER_NOTIFICATION_ID = 456;

    public static void createChangedNotification(Context context, CharSequence message) {
        Resources res = context.getResources();
        boolean notificationEnabled = PreferenceManager
                .getDefaultSharedPreferences(context)
                .getBoolean(
                        res.getString(R.string.notification_preference),
                        res.getBoolean(R.bool
                                .notification_preference_default_value));
        if (notificationEnabled) {
            Bitmap largeNotificationBmp =
                    ((BitmapDrawable) res.getDrawable(R.mipmap.logo)).getBitmap();

            PendingIntent contentPendingIntent = PendingIntent.getActivities(context, 0,
                    new Intent[]{new Intent(context, MainActivity.class)},
                    PendingIntent.FLAG_UPDATE_CURRENT);

            Intent undoChangeIntent = new Intent(context, UndoWallpaperChangeService.class);
            undoChangeIntent.putExtra(UndoWallpaperChangeService.UNDO_OPERATION_EXTRA, true);
            PendingIntent undoChangePendingIntent = PendingIntent.getService(context,
                    UNDO_REQUEST_CODE, undoChangeIntent, PendingIntent.FLAG_ONE_SHOT);
            String undoChangeButtonTitle = context.getResources()
                    .getString(R.string.undo_change_button_title);

            PendingIntent settingsPendingIntent = PendingIntent.getActivities(context, 0,
                    new Intent[]{new Intent(context, SettingsActivity.class)},
                    PendingIntent.FLAG_UPDATE_CURRENT);
            String settingsButtonTitle = context.getResources()
                    .getString(R.string.action_settings);

            Notification notification = new NotificationCompat.Builder(context)
                    .setSmallIcon(R.drawable.ic_update_notification)
                    .setLargeIcon(largeNotificationBmp)
                    .setColor(ContextCompat.getColor(context, R.color.colorPrimary))
                    .setContentTitle(res.getString(R.string.app_name))
                    .setContentText(message)
                    .setContentIntent(contentPendingIntent)
                    .addAction(R.drawable.ic_undo_change, undoChangeButtonTitle,
                            undoChangePendingIntent)
                    .addAction(R.drawable.ic_settings_white_24dp, settingsButtonTitle,
                            settingsPendingIntent)
                    .build();
            getNotificationManager(context).notify(WALLPAPER_CHANGED_NOTIFICATION_ID, notification);
        }
    }

    public static void dismissChangedNotification(Context context) {
        getNotificationManager(context).cancel(WALLPAPER_CHANGED_NOTIFICATION_ID);
    }

    public static void createChangingNotification(Context context) {
        Resources res = context.getResources();

        Bitmap largeNotificationBmp =
                ((BitmapDrawable) res.getDrawable(R.mipmap.logo)).getBitmap();

        Notification notification = new NotificationCompat.Builder(context)
                .setSmallIcon(R.drawable.ic_update_notification)
                .setLargeIcon(largeNotificationBmp)
                .setColor(ContextCompat.getColor(context, R.color.colorPrimary))
                .setContentTitle(res.getString(R.string.app_name))
                .setContentText(res.getString(R.string.setting_wallpaper))
                .build();
        getNotificationManager(context).notify(CHANGING_WALLPAPER_NOTIFICATION_ID, notification);
    }

    public static void dismissChangingNotification(Context context) {
        getNotificationManager(context).cancel(CHANGING_WALLPAPER_NOTIFICATION_ID);
    }

    private static NotificationManager getNotificationManager(Context context) {
        return (NotificationManager) context.getSystemService(Context.NOTIFICATION_SERVICE);
    }
}