Java 如何使用Twitter Fabric Android获取追随者列表?
我想在不使用twitter4j的情况下使用TwitterRESTAPI。Fabric很好,但我找不到像gettingUserFollowers()这样的方法。我不知道为什么会这样。无论如何,我想使用此服务调用我的用户追随者ID 我已经看过fabric网站()的教程。有一个用于获取自定义服务的类。但我不明白如何将其称为发送参数Java 如何使用Twitter Fabric Android获取追随者列表?,java,android,rest,twitter,Java,Android,Rest,Twitter,我想在不使用twitter4j的情况下使用TwitterRESTAPI。Fabric很好,但我找不到像gettingUserFollowers()这样的方法。我不知道为什么会这样。无论如何,我想使用此服务调用我的用户追随者ID 我已经看过fabric网站()的教程。有一个用于获取自定义服务的类。但我不明白如何将其称为发送参数 import com.twitter.sdk.android.core.TwitterApiClient; import com.twitter.sdk.android.c
import com.twitter.sdk.android.core.TwitterApiClient;
import com.twitter.sdk.android.core.TwitterSession;
import retrofit.http.GET;
import retrofit.http.Query;
public class MyTwitterApiClient extends TwitterApiClient {
public MyTwitterApiClient(TwitterSession session) {
super(session);
}
public CustomService getCustomService() {
return getService(CustomService.class);
}
interface CustomService {
@GET("/1.1/followers/ids.json")
void show(@Query("user_id") long id);
}
}
我认为当我发送一个id时,服务会带来追随者id
MyTwitterApiClient aa = new MyTwitterApiClient(session);
aa.getCustomService().show(userId);
但应用程序已停止。我怎么了
LogCat是
5897-15897/com.tumymedia.tumer.lylafortwitter E/AndroidRuntime﹕ FATAL EXCEPTION: main
Process: com.tumymedia.tumer.lylafortwitter, PID: 15897
java.lang.RuntimeException: Failure delivering result ResultInfo{who=null, request=140, result=-1, data=Intent { (has extras) }} to activity {com.tumymedia.tumer.lylafortwitter/com.tumymedia.tumer.lylafortwitter.MainActivity}: java.lang.IllegalArgumentException: CustomService.show: Must have either a return type or Callback as last argument.
at android.app.ActivityThread.deliverResults(ActivityThread.java:4058)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:4101)
at android.app.ActivityThread.access$1400(ActivityThread.java:177)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1497)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:5942)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1400)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1195)
Caused by: java.lang.IllegalArgumentException: CustomService.show: Must have either a return type or Callback as last argument.
at retrofit.RestMethodInfo.methodError(RestMethodInfo.java:123)
at retrofit.RestMethodInfo.parseResponseType(RestMethodInfo.java:285)
at retrofit.RestMethodInfo.<init>(RestMethodInfo.java:113)
at retrofit.RestAdapter.getMethodInfo(RestAdapter.java:213)
at retrofit.RestAdapter$RestHandler.invoke(RestAdapter.java:236)
at java.lang.reflect.Proxy.invoke(Proxy.java:397)
at com.tumymedia.tumer.lylafortwitter.$Proxy16.show(Unknown Source)
at com.tumymedia.tumer.lylafortwitter.MainActivity$1.success(MainActivity.java:55)
at com.twitter.sdk.android.core.identity.TwitterAuthClient$CallbackWrapper.success(TwitterAuthClient.java:230)
at com.twitter.sdk.android.core.Callback.success(Callback.java:40)
at com.twitter.sdk.android.core.identity.AuthHandler.handleOnActivityResult(AuthHandler.java:91)
at com.twitter.sdk.android.core.identity.TwitterAuthClient.onActivityResult(TwitterAuthClient.java:161)
at com.twitter.sdk.android.core.identity.TwitterLoginButton.onActivityResult(TwitterLoginButton.java:131)
at com.tumymedia.tumer.lylafortwitter.MainActivity.onActivityResult(MainActivity.java:96)
at android.app.Activity.dispatchActivityResult(Activity.java:6543)
at android.app.ActivityThread.deliverResults(ActivityThread.java:4054)
at android.app.ActivityThread.handleSendResult(ActivityThread.java:4101)
at android.app.ActivityThread.access$1400(ActivityThread.java:177)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1497)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:5942)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1400)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1195)
5897-15897/com.tummedia.tumer.lylafortwitter E/AndroidRuntime﹕ 致命异常:主
流程:com.tummedia.tumer.lylafortwitter,PID:15897
java.lang.RuntimeException:向活动{com.tummedia.tumer.lylafortwitter/com.tummedia.tumer.tumer.lylafortwitter.MainActivity}:java.lang.IllegalArgumentException:CustomService.show:必须具有返回类型或回调作为最后一个参数。
位于android.app.ActivityThread.deliverResults(ActivityThread.java:4058)
位于android.app.ActivityThread.handleSendResult(ActivityThread.java:4101)
在android.app.ActivityThread.access,售价1400美元(ActivityThread.java:177)
在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1497)上
位于android.os.Handler.dispatchMessage(Handler.java:102)
位于android.os.Looper.loop(Looper.java:145)
位于android.app.ActivityThread.main(ActivityThread.java:5942)
位于java.lang.reflect.Method.invoke(本机方法)
位于java.lang.reflect.Method.invoke(Method.java:372)
在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run上(ZygoteInit.java:1400)
位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1195)
原因:java.lang.IllegalArgumentException:CustomService.show:必须将返回类型或回调作为最后一个参数。
在Reformation.RestMethodInfo.methodError(RestMethodInfo.java:123)中
位于reformation.RestMethodInfo.parseResponseType(RestMethodInfo.java:285)
RestMethodInfo.(RestMethodInfo.java:113)
在reformation.RestAdapter.getMethodInfo(RestAdapter.java:213)中
在reformation.RestAdapter$RestHandler.invoke(RestAdapter.java:236)处
位于java.lang.reflect.Proxy.invoke(Proxy.java:397)
位于com.tummedia.tumer.lylafortwitter.$Proxy16.show(未知来源)
位于com.tummedia.tumer.lylafortwitter.MainActivity$1.success(MainActivity.java:55)
位于com.twitter.sdk.android.core.identity.TwitterAuthClient$CallbackWrapper.success(TwitterAuthClient.java:230)
访问com.twitter.sdk.android.core.Callback.success(Callback.java:40)
位于com.twitter.sdk.android.core.identity.AuthHandler.handleOnActivityResult(AuthHandler.java:91)
位于com.twitter.sdk.android.core.identity.TwitterAuthClient.onActivityResult(TwitterAuthClient.java:161)
位于com.twitter.sdk.android.core.identity.TwitterLoginButton.onActivityResult(TwitterLoginButton.java:131)
位于com.tummedia.tumer.lylafortwitter.MainActivity.onActivityResult(MainActivity.java:96)
位于android.app.Activity.dispatchActivityResult(Activity.java:6543)
位于android.app.ActivityThread.deliverResults(ActivityThread.java:4054)
位于android.app.ActivityThread.handleSendResult(ActivityThread.java:4101)
在android.app.ActivityThread.access,售价1400美元(ActivityThread.java:177)
在android.app.ActivityThread$H.handleMessage(ActivityThread.java:1497)上
位于android.os.Handler.dispatchMessage(Handler.java:102)
位于android.os.Looper.loop(Looper.java:145)
位于android.app.ActivityThread.main(ActivityThread.java:5942)
位于java.lang.reflect.Method.invoke(本机方法)
位于java.lang.reflect.Method.invoke(Method.java:372)
在com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run上(ZygoteInit.java:1400)
位于com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1195)
为了能够调用API并获得结果,您需要对Twitter进行身份验证。我在这段代码中没有看到这种情况。(也许你是在这个代码之外做的?)
有关Twitter身份验证的详细信息,请访问
实际上,Fabric使用改造来进行RESTAPI调用
在Fabric文档中,为了获得追随者的ID,我们需要通过
用户id作为参数,并在响应中检索列表
MyTwitterApiClient.java
import com.twitter.sdk.android.core.Callback;
import com.twitter.sdk.android.core.TwitterApiClient;
import com.twitter.sdk.android.core.TwitterSession;
import retrofit.client.Response;
import retrofit.http.GET;
import retrofit.http.Query;
public class MyTwitterApiClient extends TwitterApiClient {
public MyTwitterApiClient(TwitterSession session) {
super(session);
}
/**
* Provide CustomService with defined endpoints
*/
public CustomService getCustomService() {
return getService(CustomService.class);
}
}
// example users/show service endpoint
interface CustomService {
@GET("/1.1/followers/ids.json")
void list(@Query("user_id") long id, Callback<Response> cb);
}
import com.twitter.sdk.android.core.Callback;
导入com.twitter.sdk.android.core.twitter客户端;
导入com.twitter.sdk.android.core.twitter会话;
导入reformation.client.Response;
导入reformation.http.GET;
导入reformation.http.Query;
公共类MyTwitterApiClient扩展了TwitterApiClient{
公共MyTwitterApiClient(TwitterSession会话){
超级(会议);
}
/**
*为CustomService提供定义的端点
*/
公共CustomService getCustomService(){
返回getService(CustomService.class);
}
}
//示例用户/显示服务端点
接口定制服务{
@GET(“/1.1/followers/ids.json”)
无效列表(@Query(“user_id”)长id,回调cb);
}
现在在MainActivity中,我们将对用户进行身份验证,然后获取
在会话中,我们将检索对应的所有关注者的列表
对用户ID进行修改
MainActivity.java
public class MainActivity extends AppCompatActivity {
// Note: Your consumer key and secret should be obfuscated in your source code before shipping.
private static final String TWITTER_KEY = "YOUR_TWITTER_KEY";
private static final String TWITTER_SECRET = "YOUR_TWITTER_SECRET";
TwitterLoginButton loginButton;
SharedPreferences shared;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
TwitterAuthConfig authConfig = new TwitterAuthConfig(TWITTER_KEY, TWITTER_SECRET);
Fabric.with(this, new Twitter(authConfig), new Crashlytics());
setContentView(R.layout.activity_main);
shared = getSharedPreferences("demotwitter", Context.MODE_PRIVATE);
loginButton = (TwitterLoginButton) findViewById(R.id.login_button);
loginButton.setCallback(new Callback<TwitterSession>() {
@Override
public void success(Result<TwitterSession> result) {
// Do something with result, which provides a TwitterSession for making API calls
TwitterSession session = Twitter.getSessionManager()
.getActiveSession();
TwitterAuthToken authToken = session.getAuthToken();
String token = authToken.token;
String secret = authToken.secret;
//Here we get all the details of user's twitter account
System.out.println(result.data.getUserName()
+ result.data.getUserId());
Twitter.getApiClient(session).getAccountService()
.verifyCredentials(true, false, new Callback<User>() {
@Override
public void success(Result<User> userResult) {
User user = userResult.data;
//Here we get image url which can be used to set as image wherever required.
System.out.println(user.profileImageUrl+" "+user.email+""+user.followersCount);
}
@Override
public void failure(TwitterException e) {
}
});
shared.edit().putString("tweetToken", token).commit();
shared.edit().putString("tweetSecret", secret).commit();
TwitterAuthClient authClient = new TwitterAuthClient();
authClient.requestEmail(session, new Callback<String>() {
@Override
public void success(Result<String> result) {
// Do something with the result, which provides the
// email address
System.out.println(result.toString());
Log.d("Result", result.toString());
Toast.makeText(getApplicationContext(), result.data,
Toast.LENGTH_LONG).show();
}
@Override
public void failure(TwitterException exception) {
// Do something on failure
System.out.println(exception.getMessage());
}
});
MyTwitterApiClient apiclients=new MyTwitterApiClient(session);
apiclients.getCustomService().list(result.data.getUserId(), new Callback<Response>() {
@Override
public void failure(TwitterException arg0) {
// TODO Auto-generated method stub
}
@Override
public void success(Result<Response> arg0) {
// TODO Auto-generated method stub
BufferedReader reader = null;
StringBuilder sb = new StringBuilder();
try {
reader = new BufferedReader(new InputStreamReader(arg0.response.getBody().in()));
String line;
try {
while ((line = reader.readLine()) != null) {
sb.append(line);
}
} catch (IOException e) {
e.printStackTrace();
}
} catch (IOException e) {
e.printStackTrace();
}
String result = sb.toString();
System.out.println("Response is>>>>>>>>>"+result);
try {
JSONObject obj=new JSONObject(result);
JSONArray ids=obj.getJSONArray("ids");
//This is where we get ids of followers
for(int i=0;i<ids.length();i++){
System.out.println("Id of user "+(i+1)+" is "+ids.get(i));
}
} catch (JSONException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
});
}
@Override
public void failure(TwitterException exception) {
// Do something on failure
}
});
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
// Pass the activity result to the login button.
loginButton.onActivityResult(requestCode, resultCode, data);
}
}
public类MainActivity扩展了AppCompatActivity{
//注意:您的消费者密钥和密码应该在出厂前在源代码中进行模糊处理。
私有静态最终字符串TWITTER\u KEY=”
public interface FollowersService {
@GET("/1.1/followers/list.json")
Call<ResponseBody> list(@Query("screen_name") String userId);
}
FollowersService followersService = followersTwitterApiClient.getFollowersService();
Call<ResponseBody> call = followersService.list(userId);
call.enqueue(followerCallback);
public class FollowersTwitterApiClient extends TwitterApiClient {
public FollowersTwitterApiClient(TwitterSession twitterSession){
super(twitterSession);
}
public FollowersService getFollowersService(){
return getService(FollowersService.class);
}
}