Android Can';是否不将字符串值传递给McClick?
我正在解析json中的值,并创建一个自定义listview,如下所示 我正在通过json传递一个videoid,当listitem被选中时。我想把videoid传递给play方法。 我怎么能做到? 提前谢谢Android Can';是否不将字符串值传递给McClick?,android,json,listview,onitemclicklistener,Android,Json,Listview,Onitemclicklistener,我正在解析json中的值,并创建一个自定义listview,如下所示 我正在通过json传递一个videoid,当listitem被选中时。我想把videoid传递给play方法。 我怎么能做到? 提前谢谢 public class VideoActivity extends Activity { private static final String TAG = "Mine"; private static final int REQ_START_STANDALONE_PL
public class VideoActivity extends Activity {
private static final String TAG = "Mine";
private static final int REQ_START_STANDALONE_PLAYER = 1;
private static final int REQ_RESOLVE_SERVICE_MISSING = 2;
public static final String DEVELOPER_KEY = "AIzaSyDcnoqJGI1KEVSZIMg872s";
public ListView listView;
private FeedListAdapter listAdapter;
private List<FeedItem> feedItems;
public String mvideoid;
private String URL_FEED = "http://arulnadhan.hol.es/vid.json";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_feed_list);
listView = (ListView) findViewById(R.id.feed_list);
feedItems = new ArrayList<FeedItem>();
listAdapter = new FeedListAdapter(this, feedItems);
listView.setAdapter(listAdapter);
// making fresh volley request and getting json
GsonRequest<FeedResult> gsonRequest = new GsonRequest<FeedResult>(URL_FEED, FeedResult.class,
new Response.Listener<FeedResult>() {
@Override
public void onResponse(FeedResult response) {
feedItems = response.getFeedItems();
listAdapter.setData(feedItems);
listAdapter.notifyDataSetChanged();
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.d(TAG, "Error: " + error.getMessage());
}
});
// Adding request to volley request queue
AppController.getInstance().addRequest(gsonRequest, TAG);
getid();
}
/**
* Parsing json reponse and passing the data to list adapter
*/
private void parseJsonFeed(JSONObject response) {
try {
JSONArray feedArray = response.getJSONArray("feed");
for (int i = 0; i < feedArray.length(); i++) {
JSONObject feedObj = (JSONObject) feedArray.get(i);
FeedItem item = new FeedItem();
item.setId(feedObj.getInt("id"));
String name = feedObj.isNull("name") ? null : feedObj
.getString("name");
item.setName(name);
// Image might be null sometimes
String image = feedObj.isNull("image") ? null : feedObj
.getString("image");
item.setImageUrl(image);
item.setStatus(feedObj.getString("status"));
// videoid might be null sometimes
mvideoid = feedObj.isNull("videoid") ? null : feedObj
.getString("videoid");
item.setVideoid(mvideoid);
feedItems.add(item);
}
// notify data changes to list adapater
listAdapter.notifyDataSetChanged();
} catch (JSONException e) {
e.printStackTrace();
}
}
public void getid(){
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
Log.d(TAG, Integer.toString(arg2));
Log.d(TAG, mvideoid);
play(mvideoid);
}
});
}
public void play(String mvideoid){
int startIndex = 0;
int startTimeMillis = 0;
boolean autoplay = true;
boolean lightboxMode = false;
Toast.makeText(VideoActivity.this, this.mvideoid, Toast.LENGTH_LONG).show();
Intent intent = null;
intent = YouTubeStandalonePlayer.createPlaylistIntent((Activity) getApplicationContext(), DEVELOPER_KEY,
mvideoid, startIndex, startTimeMillis, autoplay, lightboxMode);
startActivity(intent);
if (intent != null) {
if (canResolveIntent(intent)) {
startActivityForResult(intent, REQ_START_STANDALONE_PLAYER);
} else {
// Could not resolve the intent - must need to install or update the YouTube API service.
YouTubeInitializationResult.SERVICE_MISSING
.getErrorDialog((Activity) getApplicationContext(), REQ_RESOLVE_SERVICE_MISSING).show();
}
}
}
}
公共类VideoActivity扩展活动{
私有静态最终字符串TAG=“Mine”;
私有静态最终整数需求\开始\独立\播放器=1;
私有静态最终整数请求解析服务缺失=2;
public static final String DEVELOPER_KEY=“AIzaSyDcnoqJGI1KEVSZIMg872s”;
公共列表视图列表视图;
专用FeedListAdapter;
私人物品清单;
公共字符串mvideoid;
专用字符串URL_提要=”http://arulnadhan.hol.es/vid.json";
@凌驾
创建时受保护的void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity\u feed\u list);
listView=(listView)findViewById(R.id.feed\u列表);
feedItems=新的ArrayList();
listAdapter=新的FeedListAdapter(此为feedItems);
setAdapter(listAdapter);
//发出新的截击请求并获取json
GsonRequest GsonRequest=新的GsonRequest(URL\u提要,FeedResult.class,
新的Response.Listener(){
@凌驾
公共响应(FeedResult响应){
feedItems=response.getFeedItems();
listAdapter.setData(feedItems);
listAdapter.notifyDataSetChanged();
}
},
新的Response.ErrorListener(){
@凌驾
公共无效onErrorResponse(截击错误){
Log.d(标记“Error:+Error.getMessage());
}
});
//将请求添加到截击请求队列
AppController.getInstance().addRequest(gsonRequest,标记);
getid();
}
/**
*解析json响应并将数据传递给列表适配器
*/
私有void parseJsonFeed(JSONObject响应){
试一试{
JSONArray feedArray=response.getJSONArray(“feed”);
对于(int i=0;i
使用此选项单击并移除所有其他物品
play(feedItems.get(arg2).getVideoid());
编辑1:
(活动)getApplicationContext()
用它代替getApplicationContext()public void getid()
{
setOnItemClickListener(新的AdapterView.OnItemClickListener()
{
@凌驾
公共链接(AdapterView arg0、视图arg1、内部arg2、,
长arg3){
Log.d(标记,Integer.toString(arg2));
Log.d(标签,mvideoid);
播放(feedItems.get(arg2.getVideoid());
}
});
}
如果feeditems是您的自定义对象类,请使用下面的代码获取您的videoid
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
Log.d(TAG, Integer.toString(arg2));
Log.d(TAG, mvideoid);
feedItems feedItemslist= (feedItems ) arg0.getAdapter().getItem(arg2);
mvideoid=feedItemslist.getmvideoid();
System.out.println(mvideoid.toString());
play(mvideoid);
}
});
listView.setOnItemClickListener(新的AdapterView.OnItemClickListener(){
@凌驾
公共链接(AdapterView arg0、视图arg1、内部arg2、,
长arg3){
Log.d(标记,Integer.toString(arg2));
Log.d(标签,mvideoid);
feedItems feedItemslist=(feedItems)arg0.getAdapter().getItem(arg2);
mvideoid=feedItemslist.getmvideoid();
s
listView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) {
Log.d(TAG, Integer.toString(arg2));
Log.d(TAG, mvideoid);
feedItems feedItemslist= (feedItems ) arg0.getAdapter().getItem(arg2);
mvideoid=feedItemslist.getmvideoid();
System.out.println(mvideoid.toString());
play(mvideoid);
}
});
listView.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
// TypeCast your clicked Object
FeedItem item = (FeedItem) parent.getItemAtPosition(position);
play(item.getVideoid());
}
});