我正在尝试在android应用程序上搜索youtube视频。我使用youtube数据api v3。我使用示例代码https://developers.google.com/youtube/v3/code_samples/java#search_by_keyword
我在这条线上得到一个例外：
// Call the API and print results.
SearchListResponse searchResponse = search.execute();
我的主要活动：
package com.yasin_alm.bestsongsplaylistsyoutube;
import java.io.IOException;
import java.util.List;
import android.os.Bundle;
import android.support.v4.view.ViewPager;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import com.astuetz.PagerSlidingTabStrip;
import com.google.android.youtube.player.YouTubeInitializationResult;
import com.google.android.youtube.player.YouTubePlayer;
import com.google.android.youtube.player.YouTubePlayer.OnInitializedListener;
import com.google.android.youtube.player.YouTubePlayer.Provider;
import com.google.api.client.googleapis.json.GoogleJsonResponseException;
import com.google.api.client.http.HttpRequest;
import com.google.api.client.http.HttpRequestInitializer;
import com.google.api.client.http.javanet.NetHttpTransport;
import com.google.api.client.json.jackson2.JacksonFactory;
import com.google.api.services.youtube.YouTube;
import com.google.api.services.youtube.model.SearchListResponse;
import com.google.api.services.youtube.model.SearchResult;
public class MainActivity extends ActionBarActivity implements OnInitializedListener {
public static final String DEVELOPER_KEY="my api key from console.developer.com";
public static final String TAG="bestsongs";
private ViewPager pager;
private TabsPagerAdapter pagerAdapter;
private PagerSlidingTabStrip tabs;
private String searchQuery="pop songs";
private static final long NUMBER_OF_VIDEOS_RETURNED = 25;
/**
* Define a global instance of a Youtube object, which will be used
* to make YouTube Data API requests.
*/
private static YouTube youtube;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
doSearch();
NowPlayingFragment nowPlayingFragmentFragment = NowPlayingFragment.newInstance("nCgQDjiotG0");
//getSupportFragmentManager().beginTransaction().replace(R.layout.fragment_nowplaying, nowPlayingFragmentFragment).commit();
// Initialise the ViewPager and set an adapter
pager = (ViewPager) findViewById(R.id.pager_main);
pager.setOffscreenPageLimit(3); //# of fragments loading
pagerAdapter=new TabsPagerAdapter(getSupportFragmentManager(),getResources().getStringArray(R.array.tab_titles));
pagerAdapter.add(nowPlayingFragmentFragment);
pager.setAdapter(pagerAdapter);
// Bind the tabs to the ViewPager
tabs = (PagerSlidingTabStrip) findViewById(R.id.tabs);
tabs.setViewPager(pager);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onInitializationFailure(Provider provider,
YouTubeInitializationResult error) {
// TODO Auto-generated method stub
}
@Override
public void onInitializationSuccess(YouTubePlayer.Provider provider, YouTubePlayer player,
boolean wasRestored) {
if (!wasRestored) {
player.cueVideo("nCgQDjiotG0");
}
}
/**
* Initialize a YouTube object to search for videos on YouTube. Then
* display the name and thumbnail image of each video in the result set.
*
* @param args command line args.
*/
public void doSearch() {
try {
// This object is used to make YouTube Data API requests. The last
// argument is required, but since we don't need anything
// initialized when the HttpRequest is initialized, we override
// the interface and provide a no-op function.
youtube = new YouTube.Builder(new NetHttpTransport(), new JacksonFactory(), new HttpRequestInitializer() {
public void initialize(HttpRequest request) throws IOException {
}
}).setApplicationName("BestSongsPlaylistsYoutube").build();
Log.d(TAG, "a");
// Define the API request for retrieving search results.
YouTube.Search.List search = youtube.search().list("id,snippet");
// Set your developer key from the Google Developers Console for
// non-authenticated requests. See:
// https://console.developers.google.com/
search.setKey(DEVELOPER_KEY);
search.setQ(searchQuery);
// Restrict the search results to only include videos. See:
// https://developers.google.com/youtube/v3/docs/search/list#type
search.setType("video");
// To increase efficiency, only retrieve the fields that the
// application uses.
search.setFields("items(id/kind,id/videoId,snippet/title,snippet/thumbnails/default/url)");
search.setMaxResults(NUMBER_OF_VIDEOS_RETURNED);
Log.d(TAG, "b");
// Call the API and print results.
SearchListResponse searchResponse = search.execute();
Log.d(TAG, "c");
List<SearchResult> searchResultList = searchResponse.getItems();
if (searchResultList != null) {
//prettyPrint(searchResultList.iterator(), queryTerm);
Log.d(TAG,"video: "+searchResultList.get(0).getId().getVideoId());
}
} catch (GoogleJsonResponseException e) {
Log.e(TAG,"There was a service error: " + e.getDetails().getCode() + " : "
+ e.getDetails().getMessage());
} catch (IOException e) {
Log.e(TAG,"IOException: " + e.getCause() + " : " + e.getMessage() +" : "+ e.getLocalizedMessage());
e.printStackTrace();
}
}
}
我的logcat输出：
08-30 01:55:14.659: D/bestsongs(14223): a
08-30 01:55:14.689: D/bestsongs(14223): b
08-30 01:55:14.726: E/bestsongs(14223): IOException: null : null : null
我检查了类似的问题，我已经：
- 尝试了服务器应用程序的Key，而不是Android应用程序的密钥
- 尝试了浏览器应用程序的Key，而不是Android应用程序的密钥
- 已检查sha1和包名称
有什么建议吗？我想做的就是在我的android应用程序中搜索youtube上的视频。提前谢谢。
已解决：您需要使用浏览器键访问Youtube Data API。Android密钥仅用于Youtube Player。
此外：
你可以尝试删除你的项目，并在谷歌开发者控制台上从头开始重置所有内容。
我在一个异步任务中实现了搜索功能。