Java tutorial
/* FPLUGControllerFragment.java Copyright (c) 2015 NTT DOCOMO,INC. Released under the MIT license http://opensource.org/licenses/mit-license.php */ package org.deviceconnect.android.deviceplugin.fplug.setting.fragment; import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.os.Bundle; import android.support.v4.app.Fragment; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import org.deviceconnect.android.deviceplugin.fplug.R; import org.deviceconnect.android.deviceplugin.fplug.fplug.FPLUGController; import org.deviceconnect.android.deviceplugin.fplug.fplug.FPLUGRequestCallback; import org.deviceconnect.android.deviceplugin.fplug.fplug.FPLUGResponse; import org.deviceconnect.android.deviceplugin.fplug.fplug.WattHour; import java.util.ArrayList; import java.util.List; /** * Fragment for Control F-PLUG. * * @author NTT DOCOMO, INC. */ public class FPLUGControllerFragment extends Fragment { private FPLUGController mController; private TextView mAddressView; private ItemAdapter mAdapter; public void setTargetFPlugAddress(FPLUGController controller) { mController = controller; mAddressView.setText(getString(R.string.setting_controller_mac_address, controller.getAddress())); } @Override public View onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) { mController = null; final View root = inflater.inflate(R.layout.control_fplug, container, false); setupUI(root); return root; } private void setupUI(final View root) { mAddressView = (TextView) root.findViewById(R.id.mac_address); setInitButton(root); setListView(root); } private void setListView(final View root) { ListView list = (ListView) root.findViewById(R.id.list); ItemAdapter adapter = new ItemAdapter(getActivity(), createItems()); list.setAdapter(adapter); list.setItemsCanFocus(true); mAdapter = adapter; } private void setInitButton(final View root) { root.findViewById(R.id.init).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (!checkController()) { return; } new AlertDialog.Builder(getActivity()) .setTitle(getString(R.string.setting_controller_init_dialog_title)) .setMessage(getString(R.string.setting_controller_init_dialog_message)) .setPositiveButton(getString(R.string.ok), new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { mController.requestInitPlug(new FPLUGRequestCallback() { @Override public void onSuccess(FPLUGResponse response) { if (getActivity() != null) { updateText(root, R.id.init_res, getString(R.string.success)); } } @Override public void onError(String message) { if (getActivity() != null) { updateText(root, R.id.init_res, getString(R.string.failed)); } } @Override public void onTimeout() { if (getActivity() != null) { updateText(root, R.id.init_res, getString(R.string.timeout)); } } }); dialog.dismiss(); } }).setNegativeButton(getString(R.string.cancel), new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.dismiss(); } }).show(); } }); } private void requestRealtime(Item item) { if (!checkController()) { return; } mController.requestRealtimeWatt(new SimpleRequestCallback(item) { @Override public void onSuccess(FPLUGResponse response) { getItem().value = "" + response.getRealtimeWatt(); updateValue(); } }); } private void requestIntegrated(Item item) { if (!checkController()) { return; } mController.requestWattHour(new SimpleRequestCallback(item) { @Override public void onSuccess(FPLUGResponse response) { int total = 0; for (WattHour wh : response.getWattHourList()) { total += wh.getWatt(); } getItem().value = "" + total; updateValue(); } }); } private void requestTemperature(Item item) { if (!checkController()) { return; } mController.requestTemperature(new SimpleRequestCallback(item) { @Override public void onSuccess(FPLUGResponse response) { getItem().value = "" + response.getTemperature(); updateValue(); } }); } private void requestHumidity(Item item) { if (!checkController()) { return; } mController.requestHumidity(new SimpleRequestCallback(item) { @Override public void onSuccess(FPLUGResponse response) { getItem().value = "" + response.getHumidity(); updateValue(); } }); } private void requestIlluminance(Item item) { if (!checkController()) { return; } mController.requestIlluminance(new SimpleRequestCallback(item) { @Override public void onSuccess(FPLUGResponse response) { getItem().value = "" + response.getIlluminance(); updateValue(); } }); } private void updateText(final View root, final int resId, final String text) { if (!isResumed()) { return; } getActivity().runOnUiThread(new Runnable() { @Override public void run() { ((TextView) root.findViewById(resId)).setText(text); } }); } private void updateValue() { if (!isResumed()) { return; } getActivity().runOnUiThread(new Runnable() { @Override public void run() { mAdapter.notifyDataSetChanged(); } }); } private boolean checkController() { if (mController == null) { Toast.makeText(getActivity(), getString(R.string.setting_controller_unselected_fplug), Toast.LENGTH_SHORT).show(); return false; } return true; } private List<Item> createItems() { List<Item> items = new ArrayList<>(); items.add(new Item(getString(R.string.realtime), "0", "w", ITEM_TYPE.REALTIME)); items.add(new Item(getString(R.string.integrated), "0", "w", ITEM_TYPE.INTEGRATED)); items.add(new Item(getString(R.string.temperature), "0", "", ITEM_TYPE.TEMPERATURE)); items.add(new Item(getString(R.string.humidity), "0", "%", ITEM_TYPE.HUMIDITY)); items.add(new Item(getString(R.string.illuminance), "0", "lx", ITEM_TYPE.ILLUMINANCE)); items.add(new Item(ITEM_TYPE.LED)); return items; } private void onClickButton(Item item) { switch (item.type) { case REALTIME: requestRealtime(item); break; case INTEGRATED: requestIntegrated(item); break; case TEMPERATURE: requestTemperature(item); break; case HUMIDITY: requestHumidity(item); break; case ILLUMINANCE: requestIlluminance(item); break; } } private void onClickLED(boolean isOn) { if (!checkController()) { return; } mController.requestLEDControl(isOn, new FPLUGRequestCallback() { @Override public void onSuccess(FPLUGResponse response) { } @Override public void onError(String message) { } @Override public void onTimeout() { } }); } private class ItemAdapter extends ArrayAdapter<Item> { private LayoutInflater mInflater; public ItemAdapter(final Context context, final List<Item> objects) { super(context, 0, objects); mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); } @Override public View getView(final int position, View convertView, ViewGroup parent) { final Item item = getItem(position); if (item.type == ITEM_TYPE.LED) { convertView = mInflater.inflate(R.layout.led_button_item, parent, false); convertView.findViewById(R.id.on).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { onClickLED(true); } }); convertView.findViewById(R.id.off).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { onClickLED(false); } }); } else { convertView = mInflater.inflate(R.layout.getable_item, parent, false); convertView.findViewById(R.id.get).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { onClickButton(item); } }); ((TextView) convertView.findViewById(R.id.name)).setText(item.name); ((TextView) convertView.findViewById(R.id.value)).setText(item.value); TextView unitTextView = (TextView) convertView.findViewById(R.id.unit); if (!isFailedValue(item.value)) { unitTextView.setText(item.unit); unitTextView.setVisibility(View.VISIBLE); } else { unitTextView.setVisibility(View.INVISIBLE); } } return convertView; } private boolean isFailedValue(String value) { return getString(R.string.get_failed).equals(value) || getString(R.string.timeout).equals(value); } } enum ITEM_TYPE { REALTIME, INTEGRATED, LED, TEMPERATURE, HUMIDITY, ILLUMINANCE } private class Item { ITEM_TYPE type; String name; String value; String unit; Item(ITEM_TYPE type) { this.type = type; } Item(String name, String value, String unit, ITEM_TYPE type) { this.name = name; this.value = value; this.unit = unit; this.type = type; } } private abstract class SimpleRequestCallback implements FPLUGRequestCallback { Item mItem; public SimpleRequestCallback(Item item) { mItem = item; } @Override public void onError(String message) { mItem.value = getString(R.string.get_failed); updateValue(); } @Override public void onTimeout() { mItem.value = getString(R.string.timeout); updateValue(); } protected Item getItem() { return mItem; } } }