Android Open Source - android-utils Polling Utils

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License

The source code is released under:
Apache License
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Java Source Code

/**
 * Copyright 2014 Zhenguo Jin (jinzhenguo1990@gmail.com)
 *//from w ww .  ja  v a2 s. co  m
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.worthed.util;

import android.app.AlarmManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.SystemClock;
import android.text.TextUtils;

/**
 * ????????
 *
 * @author jingle1267@163.com
 */
public class PollingUtils {

    private static final boolean DEBUG = true;
    private static final String TAG = "PollingUtils";

    /**
     * ?????????????
     *
     * @param context ???
     * @param cls     Class
     * @return
     */
    public static boolean isPollingServiceExist(Context context, Class<?> cls) {
        Intent intent = new Intent(context, cls);
        PendingIntent pendingIntent = PendingIntent.getBroadcast(context, 0,
                intent, PendingIntent.FLAG_NO_CREATE);
        if (DEBUG) {
            if (pendingIntent != null)
                LogUtils.v(TAG, pendingIntent.toString());
            LogUtils.v(TAG, pendingIntent != null ? "Exist" : "Not exist");
        }
        return pendingIntent != null;
    }

    /**
     * ?????????
     *
     * @param context  ???
     * @param interval ????????????
     * @param cls      Class
     */
    public static void startPollingService(Context context, int interval,
                                           Class<?> cls) {
        startPollingService(context, interval, cls, null);
    }

    /**
     * ?????????
     *
     * @param context  ???
     * @param interval ????????????
     * @param cls      Class
     * @param action   Action
     */
    public static void startPollingService(Context context, int interval,
                                           Class<?> cls, String action) {
        AlarmManager manager = (AlarmManager) context
                .getSystemService(Context.ALARM_SERVICE);
        Intent intent = new Intent(context, cls);
        if (!TextUtils.isEmpty(action)) {
            intent.setAction(action);
        }
        PendingIntent pendingIntent = PendingIntent.getService(context, 0,
                intent, PendingIntent.FLAG_UPDATE_CURRENT);
        long triggerAtTime = SystemClock.elapsedRealtime();
        manager.setRepeating(AlarmManager.ELAPSED_REALTIME, triggerAtTime,
                interval * 1000, pendingIntent);
    }

    /**
     * ?????????
     *
     * @param context ???
     * @param cls     Class
     */
    public static void stopPollingService(Context context, Class<?> cls) {
        stopPollingService(context, cls, null);
    }

    /**
     * ?????????
     *
     * @param context ???
     * @param cls     Class
     * @param action  Action
     */
    public static void stopPollingService(Context context, Class<?> cls,
                                          String action) {
        AlarmManager manager = (AlarmManager) context
                .getSystemService(Context.ALARM_SERVICE);
        Intent intent = new Intent(context, cls);
        if (!TextUtils.isEmpty(action)) {
            intent.setAction(action);
        }
        PendingIntent pendingIntent = PendingIntent.getService(context, 0,
                intent, PendingIntent.FLAG_UPDATE_CURRENT);
        manager.cancel(pendingIntent);
    }

}
Java Source Code List
