Android Open Source - StatusShare-Android Share List Fragment

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License

The source code is released under:

Apache License

Java Source Code

/** 
 * Copyright (c) 2014 Kinvey Inc./*from   www  . jav  a2s. co  m*/
 * 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 com.kinvey.samples.statusshare.fragments;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuInflater;
import com.kinvey.android.Client;
import com.kinvey.android.callback.KinveyListCallback;
import com.kinvey.java.Query;

import com.kinvey.java.query.AbstractQuery;
import com.kinvey.samples.statusshare.*;
import com.kinvey.samples.statusshare.component.UpdateAdapter;
import com.kinvey.samples.statusshare.model.UpdateEntity;

import java.util.*;

/**
 * Display a persistent list of shared status updates.
 *
 * @author edwardf
 * @since 2.0
 */
public class ShareListFragment extends KinveyFragment {


    private ListView mListView;
    private ProgressBar loading;
    private UpdateAdapter mAdapter;
    private TextView empty;



    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setHasOptionsMenu(true);
        getSherlockActivity().invalidateOptionsMenu();

    }


    @Override
    public int getViewID() {
        return R.layout.fragment_updates_list;
    }

    @Override
    public void bindViews(View v) {
        mListView = (ListView) v.findViewById(R.id.updateList);
        loading = (ProgressBar) v.findViewById(R.id.updateProgress);
        empty = (TextView) v.findViewById(R.id.empty_list);
        empty.setVisibility(View.GONE);

        loadUpdates();

    }

    @Override
    public void onAttach(Activity activity){
        super.onAttach(activity);
        if (mListView == null){
            return;
        }
        if (((StatusShare) activity).getShareList() == null){
            loadUpdates();
        }

    }











    private void loadUpdates() {
        showListView(false);

        Query q = getClient().appData(StatusShare.COL_UPDATES, UpdateEntity.class).query();
        q.setLimit(10);
        q.addSort("_kmd.lmt", AbstractQuery.SortOrder.DESC);


        getClient().linkedData(StatusShare.COL_UPDATES, UpdateEntity.class).get(q, new KinveyListCallback<UpdateEntity>() {
            @Override
            public void onSuccess(UpdateEntity[] result) {


                android.util.Log.d(Client.TAG, "Count of updates found: " + result.length);

                for (UpdateEntity e : result) {
                    Log.d(Client.TAG, "result -> " + e.toString());
                }
                if (getSherlockActivity() == null){
                    return;
                }


                ((StatusShare)getSherlockActivity()).setShareList(new ArrayList<UpdateEntity>());
                ((StatusShare)getSherlockActivity()).getShareList().addAll(Arrays.asList(result));

                if ( ((StatusShare)getSherlockActivity()).getShareList().size() == 0){
                    empty.setVisibility(View.VISIBLE);
                    loading.setVisibility(View.GONE);
                } else{
                    empty.setVisibility(View.GONE);
                    setAdapter();
                }

            }


            @Override
            public void onFailure(Throwable error) {
                Log.w(Client.TAG, "Error fetching updates data: " + error.getMessage());
                showListView(true);
            }
        }, null, new String[]{"author", "comments", "author"}, 3, true);

    }

    private void setAdapter() {
        if ( ((StatusShare)getSherlockActivity()).getShareList() == null) {
            Log.i(StatusShare.TAG, "not ready to set Adapter");
            return;
        }


        showListView(true);
            mAdapter = new UpdateAdapter(getSherlockActivity(),  ((StatusShare)getSherlockActivity()).getShareList(), getSherlockActivity().getLayoutInflater());
            mListView.setAdapter(mAdapter);

            mListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

                    ((StatusShare) getSherlockActivity()).replaceFragment(UpdateDetailsFragment.newInstance(((StatusShare)getSherlockActivity()).getShareList().get(position)), true);
//                    ((StatusShare) getSherlockActivity()).addFragment(UserFragment.newInstance(shareList.get(position)), true);

                }
            });
    }


    private void showListView(boolean show) {
        mListView.setVisibility(show ? View.VISIBLE : View.GONE);
        loading.setVisibility(show ? View.GONE : View.VISIBLE);
    }



    @Override
    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
        menu.clear();
        inflater.inflate(R.menu.menu_share_list, menu);
    }

    @Override
    public boolean onOptionsItemSelected(com.actionbarsherlock.view.MenuItem item) {
        switch (item.getItemId()) {

            case R.id.menu_status_post:
                ((StatusShare) getSherlockActivity()).replaceFragment(new UpdateEditFragment(), true);
                return (true);

            case R.id.menu_refresh:
                mAdapter = null;
                loadUpdates();
                return true;

            case R.id.menu_sign_out:
                getClient().user().logout().execute();
                getSherlockActivity().finish();

                return true;
        }

        return super.onOptionsItemSelected(item);
    }


}

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