Add prebuilt browseable samples as static files.

Change-Id: Ifb5382223343400882834d2dd9c182c3df602e34
2013-10-29 20:56:17 -07:00
parent 7165109e6d
commit 4b737b695e
840 changed files with 35304 additions and 0 deletions
--- a/samples/browseable/BasicSyncAdapter/src/com.example.android.basicsyncadapter/SyncUtils.java
+++ b/samples/browseable/BasicSyncAdapter/src/com.example.android.basicsyncadapter/SyncUtils.java
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2013 Google Inc.
+ *
+ * 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.example.android.basicsyncadapter;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.annotation.TargetApi;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.os.Build;
+import android.os.Bundle;
+import android.preference.PreferenceManager;
+
+import com.example.android.common.accounts.GenericAccountService;
+import com.example.android.basicsyncadapter.provider.FeedContract;
+
+/**
+ * Static helper methods for working with the sync framework.
+ */
+public class SyncUtils {
+    private static final long SYNC_FREQUENCY = 60 * 60;  // 1 hour (in seconds)
+    private static final String CONTENT_AUTHORITY = FeedContract.CONTENT_AUTHORITY;
+    private static final String PREF_SETUP_COMPLETE = "setup_complete";
+    // Value below must match the account type specified in res/xml/syncadapter.xml
+    public static final String ACCOUNT_TYPE = "com.example.android.basicsyncadapter.account";
+
+    /**
+     * Create an entry for this application in the system account list, if it isn't already there.
+     *
+     * @param context Context
+     */
+    @TargetApi(Build.VERSION_CODES.FROYO)
+    public static void CreateSyncAccount(Context context) {
+        boolean newAccount = false;
+        boolean setupComplete = PreferenceManager
+                .getDefaultSharedPreferences(context).getBoolean(PREF_SETUP_COMPLETE, false);
+
+        // Create account, if it's missing. (Either first run, or user has deleted account.)
+        Account account = GenericAccountService.GetAccount(ACCOUNT_TYPE);
+        AccountManager accountManager =
+                (AccountManager) context.getSystemService(Context.ACCOUNT_SERVICE);
+        if (accountManager.addAccountExplicitly(account, null, null)) {
+            // Inform the system that this account supports sync
+            ContentResolver.setIsSyncable(account, CONTENT_AUTHORITY, 1);
+            // Inform the system that this account is eligible for auto sync when the network is up
+            ContentResolver.setSyncAutomatically(account, CONTENT_AUTHORITY, true);
+            // Recommend a schedule for automatic synchronization. The system may modify this based
+            // on other scheduled syncs and network utilization.
+            ContentResolver.addPeriodicSync(
+                    account, CONTENT_AUTHORITY, new Bundle(),SYNC_FREQUENCY);
+            newAccount = true;
+        }
+
+        // Schedule an initial sync if we detect problems with either our account or our local
+        // data has been deleted. (Note that it's possible to clear app data WITHOUT affecting
+        // the account list, so wee need to check both.)
+        if (newAccount || !setupComplete) {
+            TriggerRefresh();
+            PreferenceManager.getDefaultSharedPreferences(context).edit()
+                    .putBoolean(PREF_SETUP_COMPLETE, true).commit();
+        }
+    }
+
+    /**
+     * Helper method to trigger an immediate sync ("refresh").
+     *
+     * <p>This should only be used when we need to preempt the normal sync schedule. Typically, this
+     * means the user has pressed the "refresh" button.
+     *
+     * Note that SYNC_EXTRAS_MANUAL will cause an immediate sync, without any optimization to
+     * preserve battery life. If you know new data is available (perhaps via a GCM notification),
+     * but the user is not actively waiting for that data, you should omit this flag; this will give
+     * the OS additional freedom in scheduling your sync request.
+     */
+    public static void TriggerRefresh() {
+        Bundle b = new Bundle();
+        // Disable sync backoff and ignore sync preferences. In other words...perform sync NOW!
+        b.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true);
+        b.putBoolean(ContentResolver.SYNC_EXTRAS_EXPEDITED, true);
+        ContentResolver.requestSync(
+                GenericAccountService.GetAccount(ACCOUNT_TYPE), // Sync account
+                FeedContract.CONTENT_AUTHORITY,                 // Content authority
+                b);                                             // Extras
+    }
+}