it.gmariotti.android.examples.receiver.LocalBroadcastActivity.java Source code

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Here is the source code for it.gmariotti.android.examples.receiver.LocalBroadcastActivity.java

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/*******************************************************************************
 * Copyright 2013 Gabriele Mariotti
 *
 * 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 it.gmariotti.android.examples.receiver;

import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.support.v4.app.NavUtils;
import android.support.v4.content.LocalBroadcastManager;
import android.view.View;
import android.widget.Button;

import com.actionbarsherlock.app.SherlockActivity;
import com.actionbarsherlock.view.MenuItem;

public class LocalBroadcastActivity extends SherlockActivity {

    private MyTestReceiver mReceiver;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_test_receiver);
        getSupportActionBar().setDisplayHomeAsUpEnabled(true);

        Button button = (Button) findViewById(R.id.buttonService);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

                Intent serviceIntent = new Intent(v.getContext(), LocalBroadcastReceiverTestService.class);
                startService(serviceIntent);
            }
        });
    }

    @Override
    protected void onPause() {
        LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
        lbm.unregisterReceiver(mReceiver); //Important: If we don't use lbm we will retrieve java.lang.IllegalArgumentException: Receiver not registered: 

        super.onPause();
    }

    @Override
    protected void onResume() {
        LocalBroadcastManager lbm = LocalBroadcastManager.getInstance(this);
        mReceiver = new MyTestReceiver();
        lbm.registerReceiver(mReceiver, new IntentFilter(Constants.INTENT_ACTION));
        super.onResume();
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        switch (item.getItemId()) {
        case android.R.id.home:
            NavUtils.navigateUpFromSameTask(this);
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}