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Android example source code file (NetInitiatedActivity.java)

This example Android source code file (NetInitiatedActivity.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

alertactivity, android, app, broadcastreceiver, button_text_accept, button_text_deny, content, debug, intent, location, locationmanager, negative_button, netinitiatedactivity, os, override, positive_button, service, string, tag, verbose

The NetInitiatedActivity.java Android example source code

/*
 * Copyright (C) 2007 Google Inc.
 *
 * 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.android.internal.app;

import android.app.AlertDialog;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;
import android.widget.Toast;
import android.util.Log;
import android.location.LocationManager;
import com.android.internal.location.GpsNetInitiatedHandler;

/**
 * This activity is shown to the user for him/her to accept or deny network-initiated
 * requests. It uses the alert dialog style. It will be launched from a notification.
 */
public class NetInitiatedActivity extends AlertActivity implements DialogInterface.OnClickListener {

    private static final String TAG = "NetInitiatedActivity";

    private static final boolean DEBUG = true;
    private static final boolean VERBOSE = false;

    private static final int POSITIVE_BUTTON = AlertDialog.BUTTON_POSITIVE;
    private static final int NEGATIVE_BUTTON = AlertDialog.BUTTON_NEGATIVE;

    // Dialog button text
    public static final String BUTTON_TEXT_ACCEPT = "Accept";
    public static final String BUTTON_TEXT_DENY = "Deny";

    // Received ID from intent, -1 when no notification is in progress
    private int notificationId = -1;

    /** Used to detect when NI request is received */
    private BroadcastReceiver mNetInitiatedReceiver = new BroadcastReceiver() {
        @Override
        public void onReceive(Context context, Intent intent) {
            if (DEBUG) Log.d(TAG, "NetInitiatedReceiver onReceive: " + intent.getAction());
            if (intent.getAction() == GpsNetInitiatedHandler.ACTION_NI_VERIFY) {
                handleNIVerify(intent);
            }
        }
    };

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

        // Set up the "dialog"
        final Intent intent = getIntent();
        final AlertController.AlertParams p = mAlertParams;
        p.mIconId = com.android.internal.R.drawable.ic_dialog_usb;
        p.mTitle = intent.getStringExtra(GpsNetInitiatedHandler.NI_INTENT_KEY_TITLE);
        p.mMessage = intent.getStringExtra(GpsNetInitiatedHandler.NI_INTENT_KEY_MESSAGE);
        p.mPositiveButtonText = BUTTON_TEXT_ACCEPT;
        p.mPositiveButtonListener = this;
        p.mNegativeButtonText = BUTTON_TEXT_DENY;
        p.mNegativeButtonListener = this;

        notificationId = intent.getIntExtra(GpsNetInitiatedHandler.NI_INTENT_KEY_NOTIF_ID, -1);
        if (DEBUG) Log.d(TAG, "onCreate, notifId: " + notificationId);

        setupAlert();
    }

    @Override
    protected void onResume() {
        super.onResume();
        if (DEBUG) Log.d(TAG, "onResume");
        registerReceiver(mNetInitiatedReceiver, new IntentFilter(GpsNetInitiatedHandler.ACTION_NI_VERIFY));
    }

    @Override
    protected void onPause() {
        super.onPause();
        if (DEBUG) Log.d(TAG, "onPause");
        unregisterReceiver(mNetInitiatedReceiver);
    }

    /**
     * {@inheritDoc}
     */
    public void onClick(DialogInterface dialog, int which) {
        if (which == POSITIVE_BUTTON) {
            sendUserResponse(GpsNetInitiatedHandler.GPS_NI_RESPONSE_ACCEPT);
        }
        if (which == NEGATIVE_BUTTON) {
            sendUserResponse(GpsNetInitiatedHandler.GPS_NI_RESPONSE_DENY);
        }

        // No matter what, finish the activity
        finish();
        notificationId = -1;
    }

    // Respond to NI Handler under GpsLocationProvider, 1 = accept, 2 = deny
    private void sendUserResponse(int response) {
        if (DEBUG) Log.d(TAG, "sendUserResponse, response: " + response);
        LocationManager locationManager = (LocationManager)
            this.getSystemService(Context.LOCATION_SERVICE);
        locationManager.sendNiResponse(notificationId, response);
    }

    private void handleNIVerify(Intent intent) {
        int notifId = intent.getIntExtra(GpsNetInitiatedHandler.NI_INTENT_KEY_NOTIF_ID, -1);
        notificationId = notifId;

        if (DEBUG) Log.d(TAG, "handleNIVerify action: " + intent.getAction());
    }

    private void showNIError() {
        Toast.makeText(this, "NI error" /* com.android.internal.R.string.usb_storage_error_message */,
                Toast.LENGTH_LONG).show();
    }
}

Other Android examples (source code examples)

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