Android Loopj Async Http lib 的新更新已发布,并且发生了很大变化。现在需要手动设置Looper.prepare()
否则默认使用同步模式而不是异步模式。我不明白我需要设置它的地方。
Logcat
07-09 08:16:18.775: W/AsyncHttpResponseHandler(6606): Current thread has not called Looper.prepare(). Forcing synchronous mode.
这条消息之后它完全崩溃了
07-09 08:16:18.835: E/AndroidRuntime(6606): FATAL EXCEPTION: AsyncTask #1
07-09 08:16:18.835: E/AndroidRuntime(6606): java.lang.RuntimeException: An error occured while executing doInBackground()
07-09 08:16:18.835: E/AndroidRuntime(6606): at android.os.AsyncTask$3.done(AsyncTask.java:278)
07-09 08:16:18.835: E/AndroidRuntime(6606): at java.util.concurrent.FutureTask$Sync.innerSetException(FutureTask.java:273)
07-09 08:16:18.835: E/AndroidRuntime(6606): at java.util.concurrent.FutureTask.setException(FutureTask.java:124)
07-09 08:16:18.835: E/AndroidRuntime(6606): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:307)
07-09 08:16:18.835: E/AndroidRuntime(6606): at java.util.concurrent.FutureTask.run(FutureTask.java:137)
07-09 08:16:18.835: E/AndroidRuntime(6606): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:208)
07-09 08:16:18.835: E/AndroidRuntime(6606): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1076)
07-09 08:16:18.835: E/AndroidRuntime(6606): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
07-09 08:16:18.835: E/AndroidRuntime(6606): at java.lang.Thread.run(Thread.java:864)
07-09 08:16:18.835: E/AndroidRuntime(6606): Caused by: java.lang.IllegalArgumentException: Synchronous ResponseHandler used in AsyncHttpClient. You should create your response handler in a looper thread or use SyncHttpClient instead.
07-09 08:16:18.835: E/AndroidRuntime(6606): at com.loopj.android.http.AsyncHttpClient.sendRequest(AsyncHttpClient.java:1096)
07-09 08:16:18.835: E/AndroidRuntime(6606): at com.loopj.android.http.AsyncHttpClient.post(AsyncHttpClient.java:873)
07-09 08:16:18.835: E/AndroidRuntime(6606): at com.loopj.android.http.AsyncHttpClient.post(AsyncHttpClient.java:856)
07-09 08:16:18.835: E/AndroidRuntime(6606): at com.loopj.android.http.AsyncHttpClient.post(AsyncHttpClient.java:843)
07-09 08:16:18.835: E/AndroidRuntime(6606): at com.xxx.app.HttpRequestGCM.post(HttpRequestGCM.java:15)
07-09 08:16:18.835: E/AndroidRuntime(6606): at com.xxx.app.ChatActivity$RegisterBackground.sendRegistrationIdToBackend(ChatActivity.java:681)
07-09 08:16:18.835: E/AndroidRuntime(6606): at com.xxx.app.ChatActivity$RegisterBackground.doInBackground(ChatActivity.java:660)
07-09 08:16:18.835: E/AndroidRuntime(6606): at com.xxx.app.ChatActivity$RegisterBackground.doInBackground(ChatActivity.java:1)
07-09 08:16:18.835: E/AndroidRuntime(6606): at android.os.AsyncTask$2.call(AsyncTask.java:264)
07-09 08:16:18.835: E/AndroidRuntime(6606): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305)
07-09 08:16:18.835: E/AndroidRuntime(6606): ... 5 more
我的 Http 请求类:
import android.os.Looper;
import com.loopj.android.http.AsyncHttpClient;
import com.loopj.android.http.AsyncHttpResponseHandler;
import com.loopj.android.http.PersistentCookieStore;
import com.loopj.android.http.RequestParams;
public class HttpRequest {
public static AsyncHttpClient client = new AsyncHttpClient();
public static void setCookieStore(PersistentCookieStore cookieStore) {
client.setCookieStore(cookieStore);
}
public static void get(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
Looper.prepare();
client.get(url, params, responseHandler);
}
public static void post(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
Looper.prepare();
client.post(url, params, responseHandler);
}
}
谁能帮我?
我遇到了类似的问题,发现在线程中使用 AsyncHttpClient 发出 HTTP 请求会导致问题。
我在线程之外运行了 HTTP 请求,它解决了我的问题。你可以尝试这样的事情:
public class HttpRequest {
// A SyncHttpClient is an AsyncHttpClient
public static AsyncHttpClient syncHttpClient= new SyncHttpClient();
public static AsyncHttpClient asyncHttpClient = new AsyncHttpClient();
public static void setCookieStore(PersistentCookieStore cookieStore) {
getClient().setCookieStore(cookieStore);
}
public static void get(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
getClient().get(url, params, responseHandler);
}
public static void post(String url, RequestParams params, AsyncHttpResponseHandler responseHandler) {
getClient().post(url, params, responseHandler);
}
/**
* @return an async client when calling from the main thread, otherwise a sync client.
*/
private static AsyncHttpClient getClient()
{
// Return the synchronous HTTP client when the thread is not prepared
if (Looper.myLooper() == null)
return syncHttpClient;
return asyncHttpClient;
}
}
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