Android example source code file (SyncBaseInstrumentation.java)

This example Android source code file (SyncBaseInstrumentation.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

account, android, bundle, content, contentresolver, context, exception, instrumentationtestcase, internet, max_time_for_sync_in_mins, net, network, os, override, string, syncbaseinstrumentation

The SyncBaseInstrumentation.java Android example source code

/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * 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 android.test;

import android.content.ContentResolver;
import android.content.Context;
import android.os.Bundle;
import android.os.SystemClock;
import android.net.Uri;
import android.accounts.Account;

/**
 * If you would like to test sync a single provider with an
 * {@link InstrumentationTestCase}, this provides some of the boiler plate in {@link #setUp} and
 * {@link #tearDown}.
 */
public class SyncBaseInstrumentation extends InstrumentationTestCase {
    private Context mTargetContext;
    ContentResolver mContentResolver;
    private static final int MAX_TIME_FOR_SYNC_IN_MINS = 20;

    @Override
    protected void setUp() throws Exception {
        super.setUp();
        mTargetContext = getInstrumentation().getTargetContext();
        mContentResolver = mTargetContext.getContentResolver();
    }

    /**
     * Syncs the specified provider.
     * @throws Exception
     */
    protected void syncProvider(Uri uri, String accountName, String authority) throws Exception {
        Bundle extras = new Bundle();
        extras.putBoolean(ContentResolver.SYNC_EXTRAS_IGNORE_SETTINGS, true);
        Account account = new Account(accountName, "com.google");

        ContentResolver.requestSync(account, authority, extras);
        long startTimeInMillis = SystemClock.elapsedRealtime();
        long endTimeInMillis = startTimeInMillis + MAX_TIME_FOR_SYNC_IN_MINS * 60000;

        int counter = 0;
        // Making sure race condition does not occur when en entry have been removed from pending
        // and active tables and loaded in memory (therefore sync might be still in progress)
        while (counter < 2) {
            // Sleep for 1 second.
            Thread.sleep(1000);
            // Finish test if time to sync has exceeded max time.
            if (SystemClock.elapsedRealtime() > endTimeInMillis) {
                break;
            }

            if (ContentResolver.isSyncActive(account, authority)) {
                counter = 0;
                continue;
            }
            counter++;
        }
    }

    protected void cancelSyncsandDisableAutoSync() {
        ContentResolver.setMasterSyncAutomatically(false);
        ContentResolver.cancelSync(null /* all accounts */, null /* all authorities */);
    }
}