Android Open Source - RelayRemote Utils

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License

The source code is released under:

GNU General Public License

Java Source Code

// Copyright (C) 2012 Shane Tully 
///*from  w w w  .  j ava  2s.  com*/
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package com.shanet.relayremote;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.nfc.NfcAdapter;
import android.nfc.NfcManager;
import android.os.Bundle;
import android.view.MenuItem;

public abstract class Utils {   
    
    public static boolean onOptionsItemSelected(Context context, MenuItem item) {
        switch(item.getItemId()) {
            case R.id.addRelayMenuOption:
                ((Activity)context).startActivityForResult(new Intent(context, AddRelay.class), Constants.ADD_EDIT_CODE);
                return true;
                
            case R.id.createGroupMenuOption:
                ((Activity)context).startActivityForResult(new Intent(context, AddRelayGroup.class), Constants.ADD_EDIT_CODE);
                return true;
                
            case R.id.refreshRelaysMenu:
            case R.id.refreshGroupsMenu:
                ((Main)context).getRelayStates();
                return true;
                                
            case R.id.allOnMenuOption:
                ((Main)context).turnOnOffAllRelays(Constants.CMD_ON);
                return true;
                
            case R.id.groupAllOnMenuOption:
                ((Main)context).turnOnOffAllGroups(Constants.CMD_ON);
                return true;
                
            case R.id.allOffMenuOption:
                ((Main)context).turnOnOffAllRelays(Constants.CMD_OFF);
                return true;
                
            case R.id.groupAllOffMenuOption:
                ((Main)context).turnOnOffAllGroups(Constants.CMD_OFF);
                return true;
                
            case R.id.aboutMenuOption:
                DialogUtils.displayAboutDialog(context, Constants.ABOUT_THIS_APP);
                return true;
                
            case R.id.changelogMenuOption:
                DialogUtils.displayAboutDialog(context, Constants.CHANGELOG);
                return true;
        }
        
        return false;
    }
    
    
    public static void startNetworkThreadForRelay(Context context, Relay relay, char cmd) {
        // Create the background info bundle
        Bundle bgInfo = new Bundle();
        bgInfo.putChar("op", Constants.OP_SET);
        bgInfo.putString("server", relay.getServer());
        bgInfo.putInt("port", relay.getPort());
        bgInfo.putInt("pin", relay.getPin());
        bgInfo.putChar("cmd", cmd);
        
        // Call the bg thread to send the commands to the server
        new Background(context, Constants.OP_SET, false).execute(bgInfo);
    }
    
    
    public static boolean hasNfcSupport(Context context) {
        // Check if the device has NFC and if it is enabled
        NfcManager manager = (NfcManager) context.getSystemService(Context.NFC_SERVICE);
        NfcAdapter adapter = manager.getDefaultAdapter();
        if(adapter == null) {
            DialogUtils.displayErrorDialog(context, R.string.nfcNotSupportedErrorTitle, R.string.nfcNotSupportedError);
            return false;
        } else if(!adapter.isEnabled()) {
            DialogUtils.displayErrorDialog(context, R.string.nfcDisabledErrorTitle, R.string.nfcDisabledError);
            return false;
        }
        
        return true;
    }
    
    
    public static void writeIntPref(Context context, String key, int data) {
        SharedPreferences.Editor editor = context.getSharedPreferences(Constants.SETTINGS_FILE, 0).edit();
        editor.putInt(key, data);
        editor.commit();
    }
    
    
    public static int getIntPref(Context context, String key) {
        return context.getSharedPreferences(Constants.SETTINGS_FILE, 0).getInt(key, -1);
    }
    
    
    public static void showOpeningDialogs(final Context context) {
        // Checking if this is the first run and if it is, write the corresponding values to the prefs.
        if(context.getSharedPreferences(Constants.SETTINGS_FILE, 0).getBoolean("onFirstRun", true)) {           
            AlertDialog welcomeDialog = DialogUtils.createAboutDialog(context, Constants.ABOUT_THIS_APP);
            welcomeDialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
                public void onDismiss(DialogInterface dialog) {
                    VersionUtils.writeOnFirstRun(context);
                    VersionUtils.writeVersionCode(context);
                }
            });
            welcomeDialog.setTitle(R.string.welcomeTitle);
            welcomeDialog.show();
            
        // Display the release notes if this is a new version
        } else if(VersionUtils.compareVersionCode(context)) {
            AlertDialog changelogDialog = DialogUtils.createAboutDialog(context, Constants.CHANGELOG);
            changelogDialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
                public void onDismiss(DialogInterface dialog) {
                    VersionUtils.writeVersionCode(context);
                }
            });
            changelogDialog.setTitle(R.string.changelogTitle);
            changelogDialog.show();
        }
    }
}

Java Source Code List

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