Android 同步适配器未触发我的活动
我已经在我的应用程序中使用了同步适配器来自动更新数据库内容,但它不起作用,甚至我也无法收到任何日志消息 这是我的同步适配器类Android 同步适配器未触发我的活动,android,android-syncadapter,Android,Android Syncadapter,我已经在我的应用程序中使用了同步适配器来自动更新数据库内容,但它不起作用,甚至我也无法收到任何日志消息 这是我的同步适配器类 public class SynAdapter extends AbstractThreadedSyncAdapter { private ContentResolver mResolver; private Context mcontext; public SynAdapter(Context context, boolean autoIn
public class SynAdapter extends AbstractThreadedSyncAdapter {
private ContentResolver mResolver;
private Context mcontext;
public SynAdapter(Context context, boolean autoInitialize) {
super(context, autoInitialize);
// TODO Auto-generated constructor stub
this.mcontext = context;
}
@Override
public void onPerformSync(Account account, Bundle extras, String authority,
ContentProviderClient provider, SyncResult syncResult) {
// TODO Auto-generated method stub
Log.d("onperfor", "onPerfoem");
final SyncLoader mLoader = new SyncLoader(mcontext);
mResolver = mcontext.getContentResolver();
mLoader.onContentChanged();
}
这是我的同步类但不幸的是我不能验证这个类的oncreate方法
public class SyncService extends Service {
private static SynAdapter sSyncAdapter = null;
// Object to use as a thread-safe lock
private static final Object sSyncAdapterLock = new Object();
private static final Context context = null;
public SyncService() {
super(null, null, null, null, null, null);
// TODO Auto-generated constructor stub
}
public void onCreate() {
/*
* Create the sync adapter as a singleton. Set the sync adapter as
* syncable Disallow parallel syncs
*/
Log.d("Sync service", "service");
Log.d("Sync service", "service");
sSyncAdapter = new SynAdapter(context, true);
}
public IBinder onBind(Intent intent) {
/*
* Get the object that allows external processes to call
* onPerformSync(). The object is created in the base class code when
* the SyncAdapter constructors call super()
*/
return sSyncAdapter.getSyncAdapterBinder();
}
下面是我的loader类,用于调用web url
public class SyncLoader extends AsyncTaskLoader<String> {
private Context context;
private String value;
public SyncLoader(Context context) {
super(context);
// TODO Auto-generated constructor stub
this.context = context;
}
@Override
public String loadInBackground() {
// TODO Auto-generated method stub
JSONObject json = Getjsonurl.getJsonUrl(Utility.gBasepath
+ "getGocashNotifications/" + Session.getUserId(context),
context);
Log.d("json", "---->" + json);
value = String.valueOf(json);
Toast.makeText(context, String.valueOf(json), Toast.LENGTH_SHORT)
.show();
return value;
}
@Override
public void onContentChanged() {
// TODO Auto-generated method stub
super.onContentChanged();
loadInBackground();
}
公共类SyncLoader扩展了AsyncTaskLoader{
私人语境;
私有字符串值;
公共同步加载器(上下文){
超级(上下文);
//TODO自动生成的构造函数存根
this.context=上下文;
}
@凌驾
公共字符串loadInBackground(){
//TODO自动生成的方法存根
JSONObject json=Getjsonurl.Getjsonurl(Utility.gBasepath
+“getGocashNotifications/”+会话.getUserId(上下文),
上下文);
Log.d(“json”、“--->”+json);
value=String.valueOf(json);
Toast.makeText(context、String.valueOf(json)、Toast.LENGTH\u SHORT)
.show();
返回值;
}
@凌驾
内容更改时的公共无效(){
//TODO自动生成的方法存根
super.onContentChanged();
加载背景();
}
我的舱单
<service
android:name="com.example.app.SyncService"
android:exported="true" >
<intent-filter>
<action android:name="android.content.SyncAdapter" />
</intent-filter>
<meta-data
android:name="android.content.SyncAdapter"
android:resource="@xml/sync_myapp" />
</service>
还有我的Xml代码
<sync-adapter xmlns:android="http://schemas.android.com/apk/res/android"
android:accountType="com.android.example.datasync"
android:allowParallelSyncs="false"
android:contentAuthority="com.example.android.datasync.provider"
android:isAlwaysSyncable="true"
android:supportsUploading="false"
android:userVisible="false" />
请检查我的代码并给出建议以获得解决方案,谢谢。同步适配器框架要求每个同步适配器都有一个帐户类型。我需要在没有帐户管理器的情况下实现同步适配器。谢谢您的回答。!您是否有任何其他相关链接。我已经提到了,但不清楚如何实现在我看来,官方演示是最好的例子。