LocalBroadCastReciverとIntentServiceで通知

activity_list.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:context="com.example.woshidan.localbroadcastreceivertest.ListActivity">

    <android.support.design.widget.AppBarLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:theme="@style/AppTheme.AppBarOverlay">

        <android.support.v7.widget.Toolbar
            android:id="@+id/toolbar"
            android:layout_width="match_parent"
            android:layout_height="?attr/actionBarSize"
            android:background="?attr/colorPrimary"
            app:popupTheme="@style/AppTheme.PopupOverlay" />

    </android.support.design.widget.AppBarLayout>

    <include layout="@layout/content_list" />

    <android.support.design.widget.FloatingActionButton
        android:id="@+id/fab"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="bottom|end"
        android:layout_margin="@dimen/fab_margin"
        android:src="@android:drawable/ic_dialog_email" />

</android.support.design.widget.CoordinatorLayout>

AddDataService.java

package com.example.woshidan.localbroadcastreceivertest;

import android.app.IntentService;
import android.content.Intent;
import android.content.Context;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.v4.content.LocalBroadcastManager;
import android.util.Log;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

/**
 * An {@link IntentService} subclass for handling asynchronous task requests in
 * a service on a separate handler thread.
 * <p/>
 * TODO: Customize class - update intent actions, extra parameters and static
 * helper methods.
 */
public class AddDataService extends IntentService {
    // TODO: Rename actions, choose action names that describe tasks that this
    // IntentService can perform, e.g. ACTION_FETCH_NEW_ITEMS
    public static final String ACTION_ADD_DATA = "com.example.woshidan.localbroadcastreceivertest.action.ADD_DATA";

    public AddDataService() {
        super("AddDataService");
    }

    @Override
    protected void onHandleIntent(Intent intent) {
        if (intent != null) {
            final String action = intent.getAction();
            Log.d("AddDataService", action);
            if (ACTION_ADD_DATA.equals(action)) {
                handleActionAddData();
            }
        }
    }

    /**
     * Handle action Foo in the provided background thread with the provided
     * parameters.
     */
    private void handleActionAddData() {
        try {
            Thread.sleep(10000);
        } catch (Exception e) {
            Log.e("handleActionAddData", e.toString());
        }

        List<Item> additionalData;
        additionalData = Arrays.asList(new Item("additional1"), new Item("additional2"), new Item("additional3"));

        Parcelable[] sendingData = new Parcelable[additionalData.size()];
        sendingData = additionalData.toArray(sendingData);

        ArrayList<Parcelable> addedItems = new ArrayList<Parcelable>();
        for (Item data : additionalData) {
            Bundle bundle = new Bundle();
            addedItems.add(data);
            Parcelable[] sendData = new Parcelable[addedItems.size()];
            sendData = addedItems.toArray(sendData);

            Intent intent = new Intent();
            intent.putExtra(ListActivity.ADDED_ITEM_TITLE, data.getTitle());
            intent.putExtra(ListActivity.ADDED_ITEM_LIST, sendData);
            intent.putExtra(ListActivity.ADDING_ITEM_LIST, sendingData);

            Log.d("AddDataService", data.getTitle());
            intent.setAction(ListActivity.ACTION_ADD_DATA);
            LocalBroadcastManager.getInstance(getBaseContext()).sendBroadcast(intent);

            try {
                Thread.sleep(2000);
            } catch (Exception e) {
                Log.e("handleActionFoo", e.toString());
            }
        }
        Intent intent = new Intent();
        intent.setAction(ListActivity.ACTION_COMPLETE_ADD_DATA);
        LocalBroadcastManager.getInstance(getBaseContext()).sendBroadcast(intent);
    }
}

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.woshidan.localbroadcastreceivertest">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity
            android:name=".MainActivity"
            android:label="@string/app_name"
            android:theme="@style/AppTheme.NoActionBar">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <activity
            android:name=".ListActivity"
            android:label="@string/title_activity_list"
            android:theme="@style/AppTheme.NoActionBar" />

        <service
            android:name=".AddDataService"
            android:exported="false"></service>
    </application>

</manifest>

Item.java

package com.example.woshidan.localbroadcastreceivertest;

import android.os.Parcel;
import android.os.Parcelable;

/**
 * Created by woshidan on 2016/01/08.
 */
public class Item implements Parcelable {
    private String title;
    private int dir_id;

    public Item(String title) {
        this.title = title;
    }

    private Item(Parcel in) {
        title = in.readString();
        dir_id = in.readInt();
    }

    public static final Creator<Item> CREATOR = new Creator<Item>() {
        @Override
        public Item createFromParcel(Parcel in) {
            return new Item(in);
        }

        @Override
        public Item[] newArray(int size) {
            return new Item[size];
        }
    };

    public int getDirId() {
        return dir_id;
    }

    public void setDirId(int id) {
        this.dir_id = id;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    @Override
    public int describeContents() {
        return 0;
    }

    @Override
    public void writeToParcel(Parcel out, int flags) {
        out.writeString(title);
        out.writeInt(dir_id);
    }
}

ItemViewAdapter.java

package com.example.woshidan.localbroadcastreceivertest;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import java.util.ArrayList;
import java.util.List;

/**
 * Created by woshidan on 2016/01/08.
 */
public class ItemViewAdapter extends RecyclerView.Adapter<ItemViewAdapter.ViewHolder> {
    private Context mContext;
    private ArrayList<Item> items;

    public ItemViewAdapter(Context context, ArrayList<Item> items) {
        this.mContext = context;
        this.items = items;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        return new ViewHolder(LayoutInflater.from(mContext).inflate(R.layout.item_view, parent, false));
    }

    public void onBindViewHolder(ViewHolder holder, int position) {
        // データ表示
        if (items != null && items.size() > position && items.get(position) != null) {
            holder.textView.setText(items.get(position).getTitle());
        }
    }


    @Override
    public int getItemCount() {
        if (items != null) {
            return items.size();
        } else {
            return 0;
        }
    }


    // ViewHolder(固有ならインナークラスでOK)
    class ViewHolder extends RecyclerView.ViewHolder {

        TextView textView;

        public ViewHolder(View itemView) {
            super(itemView);
            textView = (TextView) itemView.findViewById(R.id.item_view_text);
        }
    }
}

ListActivity.java

package com.example.woshidan.localbroadcastreceivertest;

import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.provider.SyncStateContract;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v4.content.LocalBroadcastManager;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

public class ListActivity extends AppCompatActivity {
    public static String ADDED_ITEM_TITLE = "com.example.woshidan.localbroadcastreceivertest.ADDED_ITEM_TITLE";
    public static String ADDED_ITEM_LIST = "com.example.woshidan.localbroadcastreceivertest.ADDED_ITEM_LIST";
    public static String ADDING_ITEM_LIST = "com.example.woshidan.localbroadcastreceivertest.ADDING_ITEM_LIST";
    public static String ACTION_ADD_DATA = "com.example.woshidan.localbroadcastreceivertest.ACTION_ADD_DATA";
    public static String ACTION_COMPLETE_ADD_DATA = "com.example.woshidan.localbroadcastreceivertest.ACTION_COMPLETE_ADD_DATA";
    public static String DIR_ID_KEY = "DIR_ID_KEY";

    public RecyclerView recyclerView;
    public ArrayList<Item> items;

    private LocalBroadcastManager localBroadcastManager;

    private NoticeProgressReceiver noticeProgressReceiver;
    private NoticeCompleteReceiver noticeCompleteReceiver;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_list);
        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        localBroadcastManager = LocalBroadcastManager.getInstance(this);

        recyclerView = (RecyclerView) findViewById(R.id.recyclierView);

        LinearLayoutManager layoutManager = new LinearLayoutManager(this);
        layoutManager.setOrientation(LinearLayoutManager.VERTICAL);

        recyclerView.setLayoutManager(layoutManager);

        items =  new ArrayList<Item>();
        items.add(new Item("test"));
                items.add(new Item("example"));
                items.add(new Item("sweet"));

        ItemViewAdapter adapter = new ItemViewAdapter(this, items);

        recyclerView.setAdapter(adapter);
    }

    @Override
    public onStart() {
        super.onStart();

        IntentFilter noticeProgressFilter = new IntentFilter();
        noticeProgressFilter.addAction(ACTION_ADD_DATA);
        noticeProgressReceiver = new NoticeProgressReceiver(this);
        localBroadcastManager.registerReceiver(noticeProgressReceiver, noticeProgressFilter);

        IntentFilter noticeCompleteFilter = new IntentFilter();
        noticeCompleteFilter.addAction(ACTION_COMPLETE_ADD_DATA);
        noticeCompleteReceiver = new NoticeCompleteReceiver(this);
        localBroadcastManager.registerReceiver(noticeCompleteReceiver, noticeCompleteFilter);
    }

    @Override
    public onStop() {
        super.onDestroy();
        localBroadcastManager.unregisterReceiver(addedReceiver);
        localBroadcastManager.unregisterReceiver(completeReceiver);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_list, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();

        //noinspection SimplifiableIfStatement
        if (id == R.id.action_add_items) {
            Intent intent = new Intent(this, AddDataService.class);
            intent.setAction(AddDataService.ACTION_ADD_DATA);
            startService(intent);
            return true;
        }

        return super.onOptionsItemSelected(item);
    }

    public void showProgress(int doneCount, int toDoCount, Item addedData) {
        Snackbar.make(findViewById(R.id.fab), doneCount + "/" + toDoCount, Snackbar.LENGTH_INDEFINITE).show();
    }

}

NoticeCompleteReceiver.java

package com.example.woshidan.localbroadcastreceivertest;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.support.design.widget.Snackbar;
import android.util.Log;

/**
 * Created by woshidan on 2016/01/11.
 */
public class NoticeCompleteReceiver extends BroadcastReceiver {
    private ListActivity mActivity;
    public NoticeCompleteReceiver(ListActivity activity) {
        mActivity = activity;
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        mActivity.runOnUiThread(new Runnable() {
            @Override
            public void run() {
                Snackbar.make(mActivity.findViewById(R.id.fab), "完了しました", Snackbar.LENGTH_SHORT).show();
            }
        });
    }
}

NoticeProgressReceiver.java

package com.example.woshidan.localbroadcastreceivertest;

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.support.design.widget.Snackbar;
import android.util.Log;
import android.widget.Toast;

/**
 * Created by woshidan on 2016/01/11.
 */
public class NoticeProgressReceiver extends BroadcastReceiver {
    private ListActivity mActivity;
    public NoticeProgressReceiver(ListActivity activity) {
        mActivity = activity;
    }

    @Override
    public void onReceive(Context context, Intent intent) {
        
        int doneCount = intent.getParcelableArrayExtra(ListActivity.ADDED_ITEM_LIST).length;
        int toDoCount = intent.getParcelableArrayExtra(ListActivity.ADDING_ITEM_LIST).length;
        final Item item = new Item(intent.getStringExtra(ListActivity.ADDED_ITEM_TITLE));

        Snackbar.make(mActivity.findViewById(R.id.fab), doneCount + "/" + toDoCount, Snackbar.LENGTH_INDEFINITE)
                .show();

        mActivity.runOnUiThread(new Runnable() {
            @Override
            public void run() {
                mActivity.items.add(item);
                mActivity.recyclerView.getAdapter().notifyDataSetChanged();
            }
        });
    }
}