NotificationUtils.java

package org.exobel.routerkeygen;

import android.annotation.TargetApi;
import android.app.Notification;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.Build;
import android.support.v4.app.NotificationCompat;
import android.widget.RemoteViews;

import org.exobel.routerkeygen.ui.NetworksListActivity;

final class NotificationUtils {

    private NotificationUtils() {
    }

    public static NotificationCompat.Builder getSimple(Context context,
                                                       CharSequence title, CharSequence text) {
        return new NotificationCompat.Builder(context)
                .setSmallIcon(R.drawable.ic_notification).setTicker(title)
                .setContentTitle(title).setContentText(text)
                .setOnlyAlertOnce(true).setAutoCancel(true)
                .setContentIntent(getDefaultPendingIntent(context));
    }

    @TargetApi(16)
    public static Notification updateProgressBar(Notification update, int max,
                                                 int progress) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH)
            update.contentView.setProgressBar(android.R.id.progress, max,
                    progress, false);
        else
            update.contentView.setProgressBar(R.id.progress, max, progress,
                    false);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
            update.bigContentView.setProgressBar(android.R.id.progress, max,
                    progress, false);
        return update;
    }

    public static Notification createProgressBar(Context context,
                                                 CharSequence title, CharSequence content, int max, int progress,
                                                 boolean indeterminate, PendingIntent i) {
        final NotificationCompat.Builder builder = getSimple(context, title,
                content);
        builder.setContentIntent(i);
        builder.setOngoing(true);
        builder.setAutoCancel(false);
        final Notification update;
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
            builder.setProgress(max, progress, indeterminate);
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN
                    && !indeterminate) {
                builder.addAction(
                        android.R.drawable.ic_menu_close_clear_cancel,
                        context.getString(android.R.string.cancel), i);
            }
            update = builder.build();
        } else {
            RemoteViews contentView = new RemoteViews(context.getPackageName(),
                    R.layout.notification);
            contentView.setTextViewText(R.id.text1, content);
            contentView.setProgressBar(R.id.progress, max, progress,
                    indeterminate);
            update = builder.build();
            update.contentView = contentView;
        }
        return update;
    }

    public static PendingIntent getDefaultPendingIntent(Context context) {
        return PendingIntent.getActivity(context, 0, new Intent(context,
                        NetworksListActivity.class)
                        .setFlags(Intent.FLAG_ACTIVITY_NEW_TASK), // add this
                // pass null
                // to intent
                PendingIntent.FLAG_UPDATE_CURRENT);
    }
}