Java tutorial
/* ThetaDeviceSettingsActivity Copyright (c) 2015 NTT DOCOMO,INC. Released under the MIT license http://opensource.org/licenses/mit-license.php */ package org.deviceconnect.android.deviceplugin.theta.activity; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import org.deviceconnect.android.deviceplugin.theta.ThetaDeviceApplication; import org.deviceconnect.android.deviceplugin.theta.core.ThetaDevice; import org.deviceconnect.android.deviceplugin.theta.core.ThetaDeviceManager; import org.deviceconnect.android.deviceplugin.theta.core.ThetaDeviceModel; import org.deviceconnect.android.deviceplugin.theta.fragment.ConfirmationFragment; import org.deviceconnect.android.deviceplugin.theta.fragment.MovieModeFragment; import org.deviceconnect.android.deviceplugin.theta.fragment.PhotoModeFragment; import org.deviceconnect.android.deviceplugin.theta.fragment.SettingsFragment; import org.deviceconnect.android.deviceplugin.theta.fragment.SummaryFragment; import org.deviceconnect.android.ui.activity.DConnectSettingPageFragmentActivity; import java.util.List; /** * The settings window of THETA device plug-in. * * @author NTT DOCOMO, INC. */ public class ThetaDeviceSettingsActivity extends DConnectSettingPageFragmentActivity { private static final String KEY_SELECTED_MODEL = "SelectedModel"; private final SummaryFragment mSummary = new SummaryFragment(); private final PhotoModeFragment mPhotoMode = new PhotoModeFragment(); private final MovieModeFragment mMovieMode = new MovieModeFragment(); private final Fragment[] mFragments = { mSummary, mPhotoMode, mMovieMode, new ConfirmationFragment() }; private ThetaDeviceModel mSelectedModel = ThetaDeviceModel.THETA_S; @Override public int getPageCount() { return mFragments.length; } @Override public Fragment createPage(int position) { return mFragments[position]; } @Override public void onSaveInstanceState(final Bundle outState) { super.onSaveInstanceState(outState); outState.putSerializable(KEY_SELECTED_MODEL, mSelectedModel); } @Override protected void onRestoreInstanceState(final Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); if (savedInstanceState != null) { mSelectedModel = (ThetaDeviceModel) savedInstanceState.get(KEY_SELECTED_MODEL); } } @Override protected void onResume() { super.onResume(); getDeviceManager().checkConnectedDevice(); } @Override protected void onPause() { ThetaDevice device = getConnectedDevice(); if (device != null) { setResult(RESULT_OK); } super.onPause(); } private ThetaDeviceManager getDeviceManager() { ThetaDeviceApplication app = (ThetaDeviceApplication) getApplication(); return app.getDeviceManager(); } private ThetaDevice getConnectedDevice() { return getDeviceManager().getConnectedDevice(); } public ThetaDeviceModel getSelectedModel() { return mSelectedModel; } public void setSelectedModel(final ThetaDeviceModel model) { mSelectedModel = model; onModelSelected(model); } private void onModelSelected(final ThetaDeviceModel model) { FragmentManager fragmentMgr = getSupportFragmentManager(); List<Fragment> list = fragmentMgr.getFragments(); if (list != null) { for (Fragment f : list) { if (f instanceof SettingsFragment) { ((SettingsFragment) f).onModelSelected(model); } } } } }