org.chinamil.downland.fragments.HeadlinesFragment.java Source code

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Here is the source code for org.chinamil.downland.fragments.HeadlinesFragment.java

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/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.chinamil.downland.fragments;

import org.chinamil.Heibai;
import org.chinamil.ParserXml;
import org.chinamil.R;

import android.app.Activity;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Color;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.support.v4.widget.CursorAdapter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;

public class HeadlinesFragment extends ListFragment {
    OnHeadlineSelectedListener mCallback;
    LayoutInflater layout2;
    Context context;
    Myadapter adapter;
    Cursor cursor;

    // The container Activity must implement this interface so the frag can deliver messages
    public interface OnHeadlineSelectedListener {
        /** Called by HeadlinesFragment when a list item is selected */
        public void onArticleSelected(int position, String title);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        setEmptyText("");
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // We need to use a different list item layout for devices older than Honeycomb
        int layout = Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB
                ? android.R.layout.simple_list_item_activated_1
                : android.R.layout.simple_list_item_1;
        layout2 = getLayoutInflater(savedInstanceState);
        context = layout2.getContext();
        cursor = context.getContentResolver().query(Heibai.MANAGE_URI,
                new String[] { "_id", "title", "imag", "month" }, null, null, null);
        //   setEmptyText("");  
        if (cursor == null || cursor.getCount() < 0) {
            setEmptyText("");
        } else {
            adapter = new Myadapter(context, cursor);
            setListAdapter(adapter);
        }
    }

    /*@Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
      Bundle savedInstanceState) {
    int layout = Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB ?
             android.R.layout.simple_list_item_activated_1 :
                android.R.layout.simple_list_item_1;
    layout2=inflater;
        
    //    imag TEXT," + "month TEXT,"+ "link TEXT,"+"title TEXT)
    context=layout2.getContext();
    cursor= context.getContentResolver().query(Heibai.MANAGE_URI, 
             new String[]{"_id","title","imag"} , null,null, null);
      //   setEmptyText("");  
    if (cursor==null||cursor.getCount()<0) {
         setEmptyText("");  
       }else {
           adapter=new Myadapter(context, cursor );
           setListAdapter(adapter);
    }
       return super.onCreateView(inflater, container, savedInstanceState);
    }*/
    @Override
    public void onStart() {
        super.onStart();
        // When in two-pane layout, set the listview to highlight the selected list item
        // (We do this during onStart because at the point the listview is available.)
        index = 0;
        if (getFragmentManager().findFragmentById(R.id.article_fragment) != null) {
        }
        getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
        getListView().setCacheColorHint(Color.TRANSPARENT);

    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        // This makes sure that the container activity has implemented
        // the callback interface. If not, it throws an exception.
        try {
            mCallback = (OnHeadlineSelectedListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString() + " must implement OnHeadlineSelectedListener");
        }
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        Cursor cursor = (Cursor) adapter.getItem(position);
        String titleString = cursor.getString(1);
        mCallback.onArticleSelected(position, titleString);
        getListView().setItemChecked(position, true);
    }

    int index;

    private class Myadapter extends CursorAdapter {
        @SuppressWarnings("deprecation")
        public Myadapter(Context context, Cursor c) {
            super(context, c);
        }

        @Override
        public void bindView(View bindView, Context arg1, Cursor arg2) {
            TextView textView = (TextView) bindView.findViewById(R.id.donw_bigtitle);
            String title = arg2.getString(1);
            textView.setText(title);
            /*TextView  textView2=(TextView) bindView.findViewById(R.id.donw_title);
            textView.setText(arg2.getString(3));
            ???
            */
            ImageView imagetImageView = (ImageView) bindView.findViewById(R.id.down_image);
            try {
                imagetImageView.setImageURI(
                        Uri.fromFile(ParserXml.getImage(arg2.getString(2), title, context.getCacheDir())));
            } catch (Exception e) {
                //   ???
            }
            //0
            index++;
            if (getActivity().findViewById(R.id.article_fragment) != null) {
                if (index == cursor.getCount()) {

                    mCallback.onArticleSelected(0, title);
                }
            }
            ;

        }

        @Override
        public View newView(Context arg0, Cursor arg1, ViewGroup arg2) {

            return layout2.inflate(R.layout.article_item, null);
        }
    }

}