Fragment中获取网络数据的问题

2在路上 2013-04-12 11:21:37 






public class FragmentTabChanel extends Fragment{

	

	private final String TAG = "FragmentTabChanel";



	private String[] CONTENT;



	private ViewPager pager;

	private TabPageIndicator indicator;





	@Override

	public void onActivityCreated(Bundle savedInstanceState) {

		super.onActivityCreated(savedInstanceState);

		new GetLiveShowTitlesTask().execute();

	}







	@Override

	public View onCreateView(LayoutInflater inflater, ViewGroup container,

			Bundle savedInstanceState) {

		View view = inflater.inflate(R.layout.tv_channel, container, false);

		

		pager = (ViewPager) view.findViewById(R.id.pager);

		indicator = (TabPageIndicator) view 

				.findViewById(R.id.indicator);

		



		indicator.setOnPageChangeListener(new OnPageChangeListener() {



			@Override

			public void onPageScrollStateChanged(int arg0) {



			}



			@Override

			public void onPageScrolled(int arg0, float arg1, int arg2) {

		

			}



			@Override

			public void onPageSelected(int position) {

				switch (position) {

				case 0:

					Log.v(TAG, "onPageSelected::" + position);

					((SlidingFragmentActivity) getActivity())

							.getSlidingMenu()

							.setTouchModeAbove(SlidingMenu.TOUCHMODE_FULLSCREEN);

					break;

				default:

					Log.v(TAG, "onPageSelected::" + position);

					((SlidingFragmentActivity) getActivity()).getSlidingMenu()

							.setTouchModeAbove(SlidingMenu.TOUCHMODE_NONE);

					break;

				}

				

			}



		});



		

		return view;

	}

	

	class GoogleMusicAdapter extends FragmentPagerAdapter {

		public GoogleMusicAdapter(FragmentManager fm) {

			super(fm);

		}



		@Override

		public Fragment getItem(int position) {

			return TestFragment.newInstance(CONTENT[position % CONTENT.length]);

		}



		@Override

		public CharSequence getPageTitle(int position) {

			return CONTENT[position % CONTENT.length].toUpperCase();

		}



		@Override

		public int getCount() {

			return CONTENT.length;

		}



	}

	

	/**

     * 获取直播电视台名称

     * 

     * @author Administrator

     */

    private class GetLiveShowTitlesTask extends AsyncTask<Void, Void, Void>

    {

        private String returnJsonStr;

        

       

        private List<LiveChannelTypeModel> mTypeModels;

        

        @Override

        protected void onPreExecute()

        {

            super.onPreExecute();

        }

        

        @Override

        protected Void doInBackground(Void... params)

        {

            

            NetGet netGet = new NetGet(constant.LIVE_CATEGORY);

            returnJsonStr = netGet.doGetNoPass();

            Log.d(TAG,"电视频道返回的json:"+returnJsonStr);

            mTypeModels = new ArrayList<LiveChannelTypeModel>();

             

            try

            {

                if (null != returnJsonStr)

                {

                    JSONArray jsonArray = new JSONArray(returnJsonStr);

                    if (null != jsonArray)

                    {

                        for (int i = 0; i < jsonArray.length(); i++)

                        {

                            LiveChannelTypeModel model = new LiveChannelTypeModel();

                            

                            JSONObject jsonObj = jsonArray.getJSONObject(i);

                            model.setM_id(jsonObj.getString("m_id"));

                            String m_title_name = LiveUtil.decodeURL(jsonObj.getString("m_title"));

                            model.setM_title(m_title_name);

                            

                            mTypeModels.add(model);

                        }

                    }

                }

            }

            catch (JSONException e)

            {

                e.printStackTrace();

            }

            

            return null;

        }

        

        @Override

        protected void onPostExecute(Void result)

        {

            super.onPostExecute(result);

            

            if (null != mTypeModels && !mTypeModels.isEmpty())

            {

//                Intent intent = new Intent();

//                intent.putExtra("mTypeModels", (Serializable)mTypeModels);

                

//                intent.setClass(LiveLookback_refresh_activity.this, LiveLookback_main.class);

//                startActivity(intent);

            	

            	for(int i = 0; i < mTypeModels.size(); i++){

            		CONTENT[i] = mTypeModels.get(i).getM_title();

            	}

            	

            	Log.d(TAG,"频道tab名字"+CONTENT);

            	

            	FragmentPagerAdapter adapter = new GoogleMusicAdapter(getActivity()

        				.getSupportFragmentManager());

        		

        		pager.setAdapter(adapter);

        	

//        		pager.setCurrentItem(0);

        		((SlidingFragmentActivity) getActivity()).getSlidingMenu()

        				.setTouchModeAbove(SlidingMenu.TOUCHMODE_FULLSCREEN);



 

        		

        		indicator.setViewPager(pager);

                

//                LiveLookback_refresh_activity.this.finish();

            }

            else

            {

//                loading_ll.setVisibility(View.GONE);

//                nodatas_ll.setVisibility(View.VISIBLE);

            }

        }

    }

	

}

报错信息如下：

04-12 23:20:56.953: E/AndroidRuntime(31892): java.lang.IllegalStateException: ViewPager has not been bound.

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at com.viewpagerindicator.TabPageIndicator.setCurrentItem(TabPageIndicator.java:243)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at com.viewpagerindicator.TabPageIndicator.onMeasure(TabPageIndicator.java:117)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.View.measure(View.java:12755)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4698)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1369)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.LinearLayout.measureVertical(LinearLayout.java:660)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.LinearLayout.onMeasure(LinearLayout.java:553)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.View.measure(View.java:12755)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4698)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.FrameLayout.onMeasure(FrameLayout.java:293)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.View.measure(View.java:12755)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4698)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.LinearLayout.measureChildBeforeLayout(LinearLayout.java:1369)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.LinearLayout.measureHorizontal(LinearLayout.java:1017)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.LinearLayout.onMeasure(LinearLayout.java:555)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.View.measure(View.java:12755)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4698)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.FrameLayout.onMeasure(FrameLayout.java:293)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.View.measure(View.java:12755)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.LinearLayout.measureVertical(LinearLayout.java:812)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.LinearLayout.onMeasure(LinearLayout.java:553)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.View.measure(View.java:12755)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at com.slidingmenu.lib.CustomViewAbove.onMeasure(CustomViewAbove.java:456)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.View.measure(View.java:12755)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.RelativeLayout.measureChildHorizontal(RelativeLayout.java:594)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:376)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.View.measure(View.java:12755)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:4698)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.widget.FrameLayout.onMeasure(FrameLayout.java:293)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2099)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.View.measure(View.java:12755)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1064)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.view.ViewRootImpl.handleMessage(ViewRootImpl.java:2445)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.os.Handler.dispatchMessage(Handler.java:99)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.os.Looper.loop(Looper.java:137)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at android.app.ActivityThread.main(ActivityThread.java:4510)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at java.lang.reflect.Method.invokeNative(Native Method)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at java.lang.reflect.Method.invoke(Method.java:511)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:947)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:714)

04-12 23:20:56.953: E/AndroidRuntime(31892): 	at dalvik.system.NativeStart.main(Native Method)



json的数据已经拿到了，说我viewpage has not been bound。其实我就是想通过网络获得频道名称，有没有好的解决办法呢
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zyxel60b 2013-04-13
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这个应该不是Fragment的问题 因为这个错误是TabPageIndicator 报的，原因是你在初始化的时候没有设置TabPageIndicator 的ViewPager
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