Java tutorial
/* * Copyright 2016 TIBCO Software,Inc.All rights reserved. * http://community.jaspersoft.com/project/jaspermobile-android * * Unless you have purchased a commercial license agreement from TIBCO Jaspersoft, * the following license terms apply: * * This program is part of TIBCO Jaspersoft Mobile for Android. * * TIBCO Jaspersoft Mobile 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 3of the License,or * (at your option)any later version. * * TIBCO Jaspersoft Mobile 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 TIBCO Jaspersoft Mobile for Android.If not,see * <http://www.gnu.org/licenses/lgpl>. */ package com.jaspersoft.android.jaspermobile.activities.settings.fragment; import android.content.SharedPreferences; import android.os.Bundle; import android.preference.Preference; import android.widget.Toast; import com.jaspersoft.android.jaspermobile.R; import com.jaspersoft.android.jaspermobile.ui.view.fragment.BasePreferenceFragment; import com.jaspersoft.android.jaspermobile.util.DefaultPrefHelper; import com.jaspersoft.android.jaspermobile.widget.AppCompatEditTextPreference; import com.jaspersoft.android.sdk.network.Server; import org.androidannotations.annotations.Bean; import org.androidannotations.annotations.EFragment; import org.apache.commons.io.FileUtils; import java.io.File; import java.io.IOException; import java.util.concurrent.TimeUnit; import javax.inject.Inject; import static com.jaspersoft.android.jaspermobile.util.DefaultPrefHelper.DEFAULT_CONNECT_TIMEOUT; import static com.jaspersoft.android.jaspermobile.util.DefaultPrefHelper.DEFAULT_READ_TIMEOUT; import static com.jaspersoft.android.jaspermobile.util.DefaultPrefHelper.DEFAULT_REPO_CACHE_EXPIRATION; import static com.jaspersoft.android.jaspermobile.util.DefaultPrefHelper.KEY_PREF_CLEAR_CACHE; import static com.jaspersoft.android.jaspermobile.util.DefaultPrefHelper.KEY_PREF_CONNECT_TIMEOUT; import static com.jaspersoft.android.jaspermobile.util.DefaultPrefHelper.KEY_PREF_READ_TIMEOUT; import static com.jaspersoft.android.jaspermobile.util.DefaultPrefHelper.KEY_PREF_REPO_CACHE_EXPIRATION; /** * @author Andrew Tivodar * @since 1.9 */ @EFragment public class SettingsFragment extends BasePreferenceFragment { @Inject protected Server.Builder mServerConfig; @Bean protected DefaultPrefHelper defaultPrefHelper; private SharedPreferences sharedPreferences; @Override public void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); getBaseActivityComponent().inject(this); addPreferencesFromResource(R.xml.preferences); sharedPreferences = getPreferenceScreen().getSharedPreferences(); AppCompatEditTextPreference repoCacheExpirationPref = (AppCompatEditTextPreference) getPreferenceScreen() .findPreference(KEY_PREF_REPO_CACHE_EXPIRATION); AppCompatEditTextPreference connectTimeoutPref = (AppCompatEditTextPreference) getPreferenceScreen() .findPreference(KEY_PREF_CONNECT_TIMEOUT); AppCompatEditTextPreference readTimeoutPref = (AppCompatEditTextPreference) getPreferenceScreen() .findPreference(KEY_PREF_READ_TIMEOUT); Preference clearCache = getPreferenceScreen().findPreference(KEY_PREF_CLEAR_CACHE); repoCacheExpirationPref.setDialogTitle(getString(R.string.st_title_cache_expiration)); connectTimeoutPref.setDialogTitle(getString(R.string.st_title_connect_timeout)); readTimeoutPref.setDialogTitle(getString(R.string.st_title_read_timeout)); String repoCacheExpiration = sharedPreferences.getString(KEY_PREF_REPO_CACHE_EXPIRATION, DEFAULT_REPO_CACHE_EXPIRATION); String connectTimeout = sharedPreferences.getString(KEY_PREF_CONNECT_TIMEOUT, DEFAULT_CONNECT_TIMEOUT); String readTimeout = sharedPreferences.getString(KEY_PREF_READ_TIMEOUT, DEFAULT_READ_TIMEOUT); updateSummary(repoCacheExpirationPref, repoCacheExpiration, R.string.st_summary_h); updateSummary(connectTimeoutPref, connectTimeout, R.string.st_summary_sec); updateSummary(readTimeoutPref, readTimeout, R.string.st_summary_sec); repoCacheExpirationPref.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() { @Override public boolean onPreferenceChange(Preference preference, Object newValue) { try { newValue = Integer.parseInt(String.valueOf(newValue)); updateSummary(preference, newValue, R.string.st_summary_h); return true; } catch (NumberFormatException ex) { Toast.makeText(getActivity(), R.string.st_invalid_number_format, Toast.LENGTH_SHORT).show(); return false; } } }); connectTimeoutPref.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() { @Override public boolean onPreferenceChange(Preference preference, Object newValue) { try { long millisValue = toMillisValue(newValue); mServerConfig.withConnectionTimeOut(millisValue, TimeUnit.MILLISECONDS); updateSummary(preference, newValue, R.string.st_summary_sec); return true; } catch (NumberFormatException ex) { Toast.makeText(getActivity(), R.string.st_invalid_number_format, Toast.LENGTH_SHORT).show(); return false; } } }); readTimeoutPref.setOnPreferenceChangeListener(new Preference.OnPreferenceChangeListener() { @Override public boolean onPreferenceChange(Preference preference, Object newValue) { try { long millisValue = toMillisValue(newValue); mServerConfig.withReadTimeout(millisValue, TimeUnit.MILLISECONDS); updateSummary(preference, newValue, R.string.st_summary_sec); return true; } catch (NumberFormatException ex) { Toast.makeText(getActivity(), R.string.st_invalid_number_format, Toast.LENGTH_SHORT).show(); return false; } } }); clearCache.setOnPreferenceClickListener(new Preference.OnPreferenceClickListener() { @Override public boolean onPreferenceClick(Preference preference) { String cleanCacheMessage; if (clearCache()) { cleanCacheMessage = getString(R.string.st_action_clear_cache); } else { cleanCacheMessage = getString(R.string.st_action_clear_cache_fail); } Toast.makeText(getActivity(), cleanCacheMessage, Toast.LENGTH_SHORT).show(); return false; } }); } private long toMillisValue(Object newValue) { int value = Integer.parseInt(String.valueOf(newValue)); long millisValue = TimeUnit.SECONDS.toMillis(value); if (millisValue > Integer.MAX_VALUE) { throw new NumberFormatException("Timeout too large."); } return millisValue; } private void updateSummary(Preference preference, Object value, int summaryDefaultText) { String summary = getString(summaryDefaultText, value); preference.setSummary(summary); } private boolean clearCache() { File cacheDir = getActivity().getExternalCacheDir(); try { FileUtils.deleteDirectory(cacheDir); } catch (IOException e) { return false; } return true; } }