Java tutorial
/* * PowerSwitch by Max Rosin & Markus Ressel * Copyright (C) 2015 Markus Ressel * * 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 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 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 eu.power_switch.gui.dialog; import android.app.Dialog; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.DialogFragment; import android.support.v7.app.AlertDialog; import android.view.LayoutInflater; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.CheckBox; import android.widget.CompoundButton; import android.widget.Spinner; import java.util.Locale; import eu.power_switch.R; import eu.power_switch.google_play_services.geofence.GeofenceApiHandler; import eu.power_switch.gui.StatusMessageHandler; import eu.power_switch.settings.DeveloperPreferencesHandler; import uk.co.deanwild.materialshowcaseview.MaterialShowcaseView; /** * Hidden Dialog Menu to access developer options */ public class DeveloperOptionsDialog extends DialogFragment { private View rootView; private GeofenceApiHandler geofenceApiHandler; @NonNull @Override public Dialog onCreateDialog(Bundle savedInstanceState) { LayoutInflater inflater = getActivity().getLayoutInflater(); rootView = inflater.inflate(R.layout.dialog_developer_options, null); geofenceApiHandler = new GeofenceApiHandler(getActivity()); CheckBox checkBox_playStoreMode = (CheckBox) rootView.findViewById(R.id.checkBox_playStoreMode); checkBox_playStoreMode.setChecked(DeveloperPreferencesHandler.getPlayStoreMode()); checkBox_playStoreMode.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { DeveloperPreferencesHandler.setPlayStoreMode(isChecked); } }); Button resetShowcasesButton = (Button) rootView.findViewById(R.id.button_resetShowcases); resetShowcasesButton.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { MaterialShowcaseView.resetAll(getContext()); } }); Button removeAllGeofences = (Button) rootView.findViewById(R.id.button_removeAllGeofences); removeAllGeofences.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { geofenceApiHandler.removeAllGeofences(); } }); Button forceUnknownExceptionDialog = (Button) rootView .findViewById(R.id.button_forceUnknownExceptionDialog); forceUnknownExceptionDialog.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { StatusMessageHandler.showErrorDialog(getContext(), new Exception("Unknown error during runtime!")); } }); Button forceUnhandledException = (Button) rootView.findViewById(R.id.button_forceUnhandledException); forceUnhandledException.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { throw new RuntimeException("Unhandled Exception"); } }); final Spinner spinnerLanguage = (Spinner) rootView.findViewById(R.id.spinner_language); ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(getContext(), R.array.locales, android.R.layout.simple_spinner_item); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); spinnerLanguage.setAdapter(adapter); spinnerLanguage.setSelection(getIndex(spinnerLanguage, DeveloperPreferencesHandler.getLocale().toString())); spinnerLanguage.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { String localeString = spinnerLanguage.getItemAtPosition(position).toString(); DeveloperPreferencesHandler.setLocale(new Locale(localeString)); } @Override public void onNothingSelected(AdapterView<?> parent) { } }); CheckBox checkBoxForceLanguage = (CheckBox) rootView.findViewById(R.id.checkBox_forceLanguage); checkBoxForceLanguage.setChecked(DeveloperPreferencesHandler.getForceLanguage()); checkBoxForceLanguage.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { DeveloperPreferencesHandler.setForceLanguage(isChecked); } }); AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); builder.setView(rootView); builder.setTitle("Developer Options"); builder.setNeutralButton(android.R.string.ok, null); Dialog dialog = builder.create(); dialog.setCanceledOnTouchOutside(false); // prevent close dialog on touch outside window dialog.show(); return dialog; } //private method of your class private int getIndex(Spinner spinner, String myString) { int index = 0; for (int i = 0; i < spinner.getCount(); i++) { if (spinner.getItemAtPosition(i).toString().equalsIgnoreCase(myString)) { index = i; break; } } return index; } @Override public void onStart() { super.onStart(); geofenceApiHandler.onStart(); } @Override public void onStop() { geofenceApiHandler.onStop(); super.onStop(); } }