kdeconnect-android/src/org/kde/kdeconnect/UserInterface/SettingsActivity.java

/*
 * Copyright 2014 Albert Vaca Cintora <albertvaka@gmail.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License or (at your option) version 3 or any later version
 * accepted by the membership of KDE e.V. (or its successor approved
 * by the membership of KDE e.V.), which shall act as a proxy
 * defined in Section 14 of version 3 of the license.
 *
 * 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
*/

package org.kde.kdeconnect.UserInterface;

import android.os.Bundle;
import android.preference.PreferenceScreen;
import android.view.MenuItem;

import org.kde.kdeconnect.BackgroundService;
import org.kde.kdeconnect.Device;

import java.util.List;

public class SettingsActivity extends AppCompatPreferenceActivity {

    static private String deviceId; //Static because if we get here by using the back button in the action bar, the extra deviceId will not be set.

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

        final PreferenceScreen preferenceScreen = getPreferenceManager().createPreferenceScreen(this);
        setPreferenceScreen(preferenceScreen);

        if (getIntent().hasExtra("deviceId")) {
            deviceId = getIntent().getStringExtra("deviceId");
        }

        BackgroundService.RunCommand(getApplicationContext(), new BackgroundService.InstanceCallback() {
            @Override
            public void onServiceStart(BackgroundService service) {
                final Device device = service.getDevice(deviceId);
                if (device == null) {
                    SettingsActivity.this.runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            SettingsActivity.this.finish();
                        }
                    });
                    return;
                }
                List<String> plugins = device.getSupportedPlugins();
                for (final String pluginKey : plugins) {
                    PluginPreference pref = new PluginPreference(SettingsActivity.this, pluginKey, device);
                    preferenceScreen.addPreference(pref);
                }
            }
        });
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        //ActionBar's back button
        if (item.getItemId() == android.R.id.home) {
            finish();
            return true;
        } else {
            return super.onOptionsItemSelected(item);
        }
    }

    @Override
    protected void onStart() {
        super.onStart();
        BackgroundService.addGuiInUseCounter(this);
    }

    @Override
    protected void onStop() {
        super.onStop();
        BackgroundService.removeGuiInUseCounter(this);
    }

}