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android - 在 android 中集成 twitter API 时获取 NetworkOnMainThreadException

转载 作者:塔克拉玛干 更新时间:2023-11-03 00:05:37 26 4
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我已经搜索了很多,但无法找到解决方案。我正在尝试将 Twitter 集成到我的 Android 应用程序中。它在模拟器上运行良好,但在 honeycomb 和更高级别的设备上运行不佳。下面,我附上了带有代码的 log cat 错误。

01-14 11:56:31.226: W/System.err(3649): android.os.NetworkOnMainThreadException
01-14 11:56:31.230: W/System.err(3649): at android.os.StrictMode$AndroidBlockGuardPolicy.onNetwork(StrictMode.java:1099)
01-14 11:56:31.230: W/System.err(3649): at java.net.InetAddress.lookupHostByName(InetAddress.java:391)
01-14 11:56:31.230: W/System.err(3649): at java.net.InetAddress.getAllByNameImpl(InetAddress.java:242)
01-14 11:56:31.230: W/System.err(3649): at java.net.InetAddress.getAllByName(InetAddress.java:220)
01-14 11:56:31.230: W/System.err(3649): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:71)
01-14 11:56:31.230: W/System.err(3649): at libcore.net.http.HttpConnection.<init>(HttpConnection.java:50)
01-14 11:56:31.230: W/System.err(3649): at libcore.net.http.HttpConnection$Address.connect(HttpConnection.java:351)
01-14 11:56:31.230: W/System.err(3649): at libcore.net.http.HttpConnectionPool.get(HttpConnectionPool.java:86)
01-14 11:56:31.230: W/System.err(3649): at libcore.net.http.HttpConnection.connect(HttpConnection.java:128)
01-14 11:56:31.230: W/System.err(3649): at libcore.net.http.HttpEngine.openSocketConnection(HttpEngine.java:308)
01-14 11:56:31.230: W/System.err(3649): at libcore.net.http.HttpEngine.connect(HttpEngine.java:303)
01-14 11:56:31.230: W/System.err(3649): at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:282)
01-14 11:56:31.234: W/System.err(3649): at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:232)
01-14 11:56:31.234: W/System.err(3649): at libcore.net.http.HttpURLConnectionImpl.getResponse(HttpURLConnectionImpl.java:273)
01-14 11:56:31.234: W/System.err(3649): at libcore.net.http.HttpURLConnectionImpl.getResponseCode(HttpURLConnectionImpl.java:479)
01-14 11:56:31.234: W/System.err(3649): at twitter4j.internal.http.HttpResponseImpl.<init>(HttpResponseImpl.java:45)
01-14 11:56:31.234: W/System.err(3649): at twitter4j.internal.http.HttpClientImpl.request(HttpClientImpl.java:178)
01-14 11:56:31.234: W/System.err(3649): at twitter4j.internal.http.HttpClientWrapper.request(HttpClientWrapper.java:75)
01-14 11:56:31.234: W/System.err(3649): at twitter4j.internal.http.HttpClientWrapper.get(HttpClientWrapper.java:103)
01-14 11:56:31.238: W/System.err(3649): at twitter4j.Twitter.getAccountSettings(Twitter.java:1440)
01-14 11:56:31.238: W/System.err(3649): at com.recipe.pack.TwitterUtils.isAuthenticated(TwitterUtils.java:23)
01-14 11:56:31.238: W/System.err(3649): at com.recipe.pack.RecpieActivity.onClick(RecpieActivity.java:763)
01-14 11:56:31.238: W/System.err(3649): at android.view.View.performClick(View.java:3511)
01-14 11:56:31.238: W/System.err(3649): at android.view.View$PerformClick.run(View.java:14105)
01-14 11:56:31.238: W/System.err(3649): at android.os.Handler.handleCallback(Handler.java:605)
01-14 11:56:31.238: W/System.err(3649): at android.os.Handler.dispatchMessage(Handler.java:92)
01-14 11:56:31.238: W/System.err(3649): at android.os.Looper.loop(Looper.java:137)
01-14 11:56:31.242: W/System.err(3649): at android.app.ActivityThread.main(ActivityThread.java:4424)
01-14 11:56:31.242: W/System.err(3649): at java.lang.reflect.Method.invokeNative(Native Method)
01-14 11:56:31.242: W/System.err(3649): at java.lang.reflect.Method.invoke(Method.java:511)
01-14 11:56:31.242: W/System.err(3649): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
01-14 11:56:31.242: W/System.err(3649): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
01-14 11:56:31.246: W/System.err(3649): at dalvik.system.NativeStart.main(Native Method)

TwitterUtils.java

public static boolean isAuthenticated(SharedPreferences prefs) {

String token = prefs.getString(OAuth.OAUTH_TOKEN, "");
String secret = prefs.getString(OAuth.OAUTH_TOKEN_SECRET, "");

AccessToken a = new AccessToken(token,secret);
Twitter twitter = new TwitterFactory().getInstance();
twitter.setOAuthConsumer(Constants.CONSUMER_KEY, Constants.CONSUMER_SECRET);
twitter.setOAuthAccessToken(a);

try {
twitter.getAccountSettings();
return true;
} catch (TwitterException e) {
return false;
}
}

public static void sendTweet(SharedPreferences prefs,String msg) throws Exception {
String token = prefs.getString(OAuth.OAUTH_TOKEN, "");
String secret = prefs.getString(OAuth.OAUTH_TOKEN_SECRET, "");

AccessToken a = new AccessToken(token,secret);
Twitter twitter = new TwitterFactory().getInstance();
twitter.setOAuthConsumer(Constants.CONSUMER_KEY, Constants.CONSUMER_SECRET);
twitter.setOAuthAccessToken(a);
twitter.updateStatus(msg);
}

实现按钮的类:

case R.id.btweet:
Toast.makeText(this, "Recipe Tweet will be posted on your profile", 5000).show();
try{
if (TwitterUtils.isAuthenticated(prefs)) {
sendTweet();
} else {
Intent i = new Intent(getApplicationContext(), PrepareRequestTokenActivity.class);
i.putExtra("tweet_msg",getTweetMsg());
startActivity(i);
}
}catch(Exception e){
e.printStackTrace();
}
break;

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