com.asksven.betterbatterystats.ServicesFragmentActivity.java Source code

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Here is the source code for com.asksven.betterbatterystats.ServicesFragmentActivity.java

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/*
 * Copyright (C) 2012-2014 asksven
 *
 * 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.asksven.betterbatterystats;

import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.ListFragment;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;

import com.asksven.betterbatterystats.adapters.ServicesAdapter;
import com.asksven.betterbatterystats.data.StatsProvider;
import com.asksven.betterbatterystats.R;

/**
 * Demonstration of the use of a CursorLoader to load and display contacts data
 * in a fragment.
 */
public class ServicesFragmentActivity extends BaseActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        FragmentManager fm = getSupportFragmentManager();

        // Create the list fragment and add it as our sole content.
        if (fm.findFragmentById(android.R.id.content) == null) {
            ServicesListFragment list = new ServicesListFragment();
            fm.beginTransaction().add(android.R.id.content, list).commit();
        }
    }

    public static class ServicesListFragment extends ListFragment {

        /**
         * The logging TAG
         */
        private static final String TAG = "ServicesListFragment";

        private ServicesAdapter m_listViewAdapter;
        private String m_packageName;
        ProgressDialog m_progressDialog;

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

            Bundle b = getActivity().getIntent().getExtras();
            m_packageName = b.getString("package");

            new LoadStatData().execute(getActivity());

        }

        // @see http://code.google.com/p/makemachine/source/browse/trunk/android/examples/async_task/src/makemachine/android/examples/async/AsyncTaskExample.java
        // for more details
        private class LoadStatData extends AsyncTask<Context, Integer, ServicesAdapter> {
            @Override
            protected ServicesAdapter doInBackground(Context... params) {

                try {
                    m_listViewAdapter = new ServicesAdapter(getActivity(), StatsProvider.getInstance(getActivity())
                            .getServiceListForPackage(getActivity(), m_packageName));

                } catch (Exception e) {
                    Log.e(TAG, "Loading of alarm stats failed");
                    m_listViewAdapter = null;
                }
                //StatsActivity.this.setListAdapter(m_listViewAdapter);
                // getStatList();
                return m_listViewAdapter;
            }

            @Override
            protected void onPostExecute(ServicesAdapter o) {
                super.onPostExecute(o);
                // update hourglass
                if (m_progressDialog != null) {
                    m_progressDialog.hide();
                    m_progressDialog = null;
                }
                setListAdapter(o);
            }

            @Override
            protected void onPreExecute() {
                // update hourglass
                // @todo this code is only there because onItemSelected is called twice
                if (m_progressDialog == null) {
                    m_progressDialog = new ProgressDialog(getActivity());
                    m_progressDialog.setMessage(getString(R.string.message_computing));
                    m_progressDialog.setIndeterminate(true);
                    m_progressDialog.setCancelable(false);
                    m_progressDialog.show();
                }
            }
        }
    }
}