Java tutorial
/* HueFragment04 Copyright (c) 2015 NTT DOCOMO,INC. Released under the MIT license http://opensource.org/licenses/mit-license.php */ package org.deviceconnect.android.deviceplugin.hue.activity.fragment; import android.annotation.SuppressLint; import android.app.Activity; import android.app.AlertDialog; import android.content.Context; import android.content.DialogInterface; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v4.app.FragmentManager; import android.support.v4.app.FragmentTransaction; import android.text.Editable; import android.text.InputFilter; import android.text.Spanned; import android.text.TextWatcher; import android.util.Log; import android.view.KeyEvent; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.inputmethod.InputMethodManager; import android.widget.BaseAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import com.philips.lighting.hue.listener.PHLightListener; import com.philips.lighting.hue.sdk.PHAccessPoint; import com.philips.lighting.hue.sdk.exception.PHHueInvalidAPIException; import com.philips.lighting.model.PHBridgeResource; import com.philips.lighting.model.PHHueError; import com.philips.lighting.model.PHLight; import org.deviceconnect.android.deviceplugin.hue.db.HueManager; import org.deviceconnect.android.deviceplugin.hue.BuildConfig; import org.deviceconnect.android.deviceplugin.hue.R; import java.util.ArrayList; import java.util.List; import java.util.Map; /** * Hue setting fragment (4). */ public class HueFragment04 extends Fragment { /** Hue access point. */ private PHAccessPoint mAccessPoint; /** List adapter. */ private ListAdapter mListAdapter; /** Progress dialog. */ private AlertDialog mProgressBar; /** * newInstance. * * @param accessPoint Access point. * @return fragment Fragment instance. */ public static HueFragment04 newInstance(final PHAccessPoint accessPoint) { HueFragment04 fragment = new HueFragment04(); fragment.setPHAccessPoint(accessPoint); return fragment; } /** * Set PHAccessPoint. * * @param accessPoint Access point. */ private void setPHAccessPoint(final PHAccessPoint accessPoint) { mAccessPoint = accessPoint; } @Override public View onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState) { View view = inflater.inflate(R.layout.hue_fragment_04, container, false); List<PHLight> lights = HueManager.INSTANCE.getCacheLights(); if (lights != null) { mListAdapter = new ListAdapter(getActivity(), lights); } else { mListAdapter = new ListAdapter(getActivity(), new ArrayList<PHLight>()); } ListView listView = (ListView) view.findViewById(R.id.light_list_view); listView.setAdapter(mListAdapter); Button autoBtn = (Button) view.findViewById(R.id.btn_auto_add); autoBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(final View v) { searchLightAutomatic(); } }); Button manualBtn = (Button) view.findViewById(R.id.btn_manual_add); manualBtn.setOnClickListener(new View.OnClickListener() { @Override public void onClick(final View v) { editSerial(); } }); return view; } /** * Update ListView. */ private void updateListView() { mListAdapter.setLights(HueManager.INSTANCE.getCacheLights()); mListAdapter.notifyDataSetChanged(); } /** * Edit serial. */ private void editSerial() { final EditText editText = new EditText(getActivity()); editText.setOnKeyListener(new View.OnKeyListener() { @Override public boolean onKey(View v, int keyCode, KeyEvent event) { if (event.getAction() == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_ENTER) { InputMethodManager inputMethodManager = (InputMethodManager) getActivity() .getSystemService(Context.INPUT_METHOD_SERVICE); inputMethodManager.hideSoftInputFromWindow(v.getWindowToken(), 0); return true; } return false; } }); AlertDialog dialog = new AlertDialog.Builder(getActivity()).setTitle(R.string.frag04_serial_number_title) .setMessage(R.string.frag04_serial_number_message).setView(editText) .setPositiveButton(R.string.frag04_serial_ok, new DialogInterface.OnClickListener() { public void onClick(final DialogInterface dialog, final int whichButton) { String serial = editText.getText().toString(); searchLightManually(serial); } }).setNegativeButton(R.string.frag04_serial_cancel, new DialogInterface.OnClickListener() { public void onClick(final DialogInterface dialog, final int whichButton) { } }).show(); final Button positiveButton = dialog.getButton(AlertDialog.BUTTON_POSITIVE); positiveButton.setEnabled(false); // Input limit of the serial number InputFilter inputFilter = new InputFilter() { @Override public CharSequence filter(final CharSequence source, final int start, final int end, final Spanned dest, final int dstart, final int dend) { if (source.toString().matches("[0-9a-fA-F]+")) { return source; } else { return ""; } } }; InputFilter[] filters = new InputFilter[] { inputFilter, new InputFilter.LengthFilter(6) }; editText.setFilters(filters); editText.addTextChangedListener(new TextWatcher() { @Override public void beforeTextChanged(final CharSequence s, final int start, final int count, final int after) { } @Override public void onTextChanged(final CharSequence s, final int start, final int before, final int count) { positiveButton.setEnabled(editText.length() == 6); } @Override public void afterTextChanged(final Editable s) { } }); editText.setHint(R.string.frag04_serial_number_hint); } /** * Search light automatic. */ private void searchLightAutomatic() { openProgressBar(); try { HueManager.INSTANCE.searchLightAutomatic(new PHLightListenerImpl()); } catch (PHHueInvalidAPIException e) { if (BuildConfig.DEBUG) { Log.e("Hue", "error", e); } closeProgressBar(); } } /** * Search light manually. * * @param serial Serial number. */ private void searchLightManually(final String serial) { openProgressBar(); try { HueManager.INSTANCE.searchLightManually(serial, new PHLightListenerImpl()); } catch (PHHueInvalidAPIException e) { if (BuildConfig.DEBUG) { Log.e("Hue", "error", e); } closeProgressBar(); } } /** * UI???Runnable???. * @param run ?Runnable */ private void runOnUiThread(final Runnable run) { final Activity activity = getActivity(); if (activity != null) { activity.runOnUiThread(run); } } /** * Open progress bar. */ private void openProgressBar() { runOnUiThread(new Runnable() { @Override public void run() { Activity activity = getActivity(); if (activity != null) { AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); LayoutInflater inflater = getActivity().getLayoutInflater(); View v = inflater.inflate(R.layout.dialog_progress, null); TextView titleView = v.findViewById(R.id.title); TextView messageView = v.findViewById(R.id.message); titleView.setText(getString(R.string.message_light_searching)); messageView.setText(getString(R.string.frag04_serial_search)); mProgressBar = builder.setView(v).create(); mProgressBar.show(); } } }); } /** * Close progress bar. */ private void closeProgressBar() { runOnUiThread(new Runnable() { @Override public void run() { if (mProgressBar != null) { mProgressBar.dismiss(); mProgressBar = null; } } }); } /** * Show toast. * * @param message Show message. */ private void showToast(final String message) { runOnUiThread(new Runnable() { @Override public void run() { Activity activity = getActivity(); if (activity != null) { Toast.makeText(activity, message, Toast.LENGTH_LONG).show(); } } }); } /** * ??????????. * <p> * ?????????? * </p> */ private void showAuthenticationFailed() { runOnUiThread(new Runnable() { @Override public void run() { Activity activity = getActivity(); if (activity == null) { return; } new AlertDialog.Builder(activity).setTitle(R.string.frag02_failed) .setMessage(R.string.frag04_unauthorized_bridge) .setPositiveButton(R.string.hue_dialog_ok, new DialogInterface.OnClickListener() { @Override public void onClick(final DialogInterface dialog, final int which) { moveFirstFragment(); } }).setCancelable(false).show(); } }); } /** * ??????. */ private void moveFirstFragment() { FragmentManager manager = getFragmentManager(); FragmentTransaction transaction = manager.beginTransaction(); transaction.setCustomAnimations(R.anim.fragment_slide_right_enter, R.anim.fragment_slide_left_exit, R.anim.fragment_slide_left_enter, R.anim.fragment_slide_right_exit); transaction.replace(R.id.fragment_frame, new HueFragment01()); transaction.commit(); } /** * List adapter class. */ private class ListAdapter extends BaseAdapter { /** Layout inflater. */ private LayoutInflater mInflater; /** Light list. */ private List<PHLight> mLights; /** * Constructor. * * @param context Context. * @param lights Light list. */ ListAdapter(final Context context, final List<PHLight> lights) { mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE); setLights(lights); } @Override public int getCount() { return mLights.size(); } @Override public Object getItem(final int position) { return mLights.get(position); } @Override public long getItemId(final int position) { return position; } @SuppressLint("ViewHolder") @Override public View getView(final int position, final View convertView, final ViewGroup parent) { View view = convertView; if (view == null) { view = mInflater.inflate(R.layout.hue_access_point, parent, false); } PHLight light = mLights.get(position); TextView titleView = (TextView) view.findViewById(R.id.title); titleView.setText(light.getName()); return view; } /** * Set lights. * * @param lights Light list. */ private void setLights(final List<PHLight> lights) { mLights = lights; } } /** * Light Listener. */ private class PHLightListenerImpl implements PHLightListener { /** Bridge resource list. */ private final List<PHBridgeResource> mLightHeaders = new ArrayList<PHBridgeResource>(); @Override public void onError(final int code, final String message) { closeProgressBar(); if (code == PHHueError.AUTHENTICATION_FAILED) { showAuthenticationFailed(); } else { showToast(message); } } @Override public void onSuccess() { } @Override public void onReceivingLights(final List<PHBridgeResource> lightHeaders) { for (PHBridgeResource header : lightHeaders) { boolean duplicated = false; for (PHBridgeResource cache : mLightHeaders) { if (cache.getIdentifier().equals(header.getIdentifier())) { duplicated = true; break; } } if (!duplicated) { mLightHeaders.add(header); } } } @Override public void onSearchComplete() { if (mLightHeaders.size() == 0) { showToast(getString(R.string.frag04_not_found_new_light)); } else { String message = getString(R.string.frag04_light_result1); message += mLightHeaders.size() + getString(R.string.frag04_light_result2); showToast(message); } closeProgressBar(); View view = getView(); if (view != null) { view.postDelayed(new Runnable() { @Override public void run() { updateListView(); } }, 400); } } @Override public void onStateUpdate(final Map<String, String> list, final List<PHHueError> error) { } @Override public void onReceivingLightDetails(final PHLight light) { } } }