package com.adafruit.bluefruit.le.connect.app;
import android.app.AlertDialog;
import android.bluetooth.le.AdvertiseCallback;
import android.content.Context;
import android.graphics.drawable.Drawable;
import android.os.Bundle;
import android.text.Editable;
import android.text.TextWatcher;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.EditText;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.appcompat.widget.SwitchCompat;
import androidx.core.content.ContextCompat;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentActivity;
import androidx.fragment.app.FragmentManager;
import androidx.fragment.app.FragmentTransaction;
import androidx.lifecycle.ViewModelProvider;
import androidx.recyclerview.widget.DividerItemDecoration;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.adafruit.bluefruit.le.connect.R;
import com.adafruit.bluefruit.le.connect.ble.peripheral.PeripheralService;
import com.adafruit.bluefruit.le.connect.models.PeripheralModeViewModel;
import com.adafruit.bluefruit.le.connect.utils.DialogUtils;
import com.adafruit.bluefruit.le.connect.utils.LocalizationManager;
public class PeripheralModeFragment extends Fragment {
// Constants
private final static String TAG = PeripheralModeFragment.class.getSimpleName();
//private final static int kRssiRefreshInterval = 300; // in milliseconds
// UI
private RecyclerView mRecyclerView;
// region Fragment lifecycle
public static PeripheralModeFragment newInstance() {
return new PeripheralModeFragment();
}
public PeripheralModeFragment() {
// Required empty public constructor
}
@Override
public void onAttach(@NonNull Context context) {
super.onAttach(context);
}
@Override
public void onDetach() {
super.onDetach();
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Retain this fragment across configuration changes
setRetainInstance(true);
}
@Override
public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_peripheralmode, container, false);
}
@Override
public void onViewCreated(@NonNull View view, Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
final Context context = getContext();
if (context != null) {
// Peripherals recycler view
mRecyclerView = view.findViewById(R.id.recyclerView);
DividerItemDecoration itemDecoration = new DividerItemDecoration(context, DividerItemDecoration.VERTICAL);
Drawable lineSeparatorDrawable = ContextCompat.getDrawable(context, R.drawable.simpledivideritemdecoration);
assert lineSeparatorDrawable != null;
itemDecoration.setDrawable(lineSeparatorDrawable);
mRecyclerView.addItemDecoration(itemDecoration);
// recyclerView.setHasFixedSize(true); // Improve performance
RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(getContext());
mRecyclerView.setLayoutManager(layoutManager);
}
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// ViewModel
FragmentActivity activity = getActivity();
if (activity != null) {
//PeripheralModeViewModel model = new ViewModelProvider(activity).get(PeripheralModeViewModel.class);
PeripheralModeViewModel model = new ViewModelProvider(activity, new ViewModelProvider.AndroidViewModelFactory(activity.getApplication())).get(PeripheralModeViewModel.class);
model.getStartAdvertisingErrorCode().observe(this, errorCode -> {
Log.d(TAG, "Advertising error: " + errorCode);
if (errorCode != null) {
int messageId = errorCode == AdvertiseCallback.ADVERTISE_FAILED_DATA_TOO_LARGE ? R.string.peripheral_advertising_starterror_toolarge : R.string.peripheral_advertising_starterror_undefined;
AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
AlertDialog dialog = builder.setTitle(R.string.dialog_error).setMessage(messageId)
.setPositiveButton(android.R.string.ok, null)
.show();
DialogUtils.keepDialogOnOrientationChanges(dialog);
}
});
// RecyclerView Adapter
PeripheralModeAdapter adapter = new PeripheralModeAdapter(activity, model, index -> {
FragmentActivity activity2 = getActivity();
if (activity2 != null) {
FragmentManager fragmentManager = activity2.getSupportFragmentManager();
Fragment fragment = null;
String fragmentTag = null;
switch (index) {
case 0:
fragment = DeviceInformationServiceFragment.newInstance();
fragmentTag = "DeviceInformationService";
break;
case 1:
fragment = UartServiceFragment.newInstance();
fragmentTag = "UartService";
break;
}
if (fragment != null) {
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction()
.setCustomAnimations(R.anim.slide_in_left, R.anim.slide_out_right, R.anim.slide_in_right, R.anim.slide_out_left)
.replace(R.id.contentLayout, fragment, fragmentTag);
fragmentTransaction.addToBackStack(null);
fragmentTransaction.commit();
}
}
});
mRecyclerView.setAdapter(adapter);
}
}
@Override
public void onResume() {
super.onResume();
FragmentActivity activity = getActivity();
if (activity != null) {
activity.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_ADJUST_PAN);
}
}
// endregion
private static class PeripheralModeAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {
// Constants
private static final int kCellType_SectionTitle = 0;
private static final int kCellType_AdvertisingInfoCell = 1;
private static final int kCellType_ServicesCell = 2;
private static final int kAdvertisingCellsStartPosition = 1;
private static final int kServiceCellsStartPosition = 3;
interface Listener {
void onServiceSelected(int index);
}
// Structs
class SectionViewHolder extends RecyclerView.ViewHolder {
TextView titleTextView;
SectionViewHolder(View view) {
super(view);
titleTextView = view.findViewById(R.id.titleTextView);
}
}
class AdvertisingInfoViewHolder extends RecyclerView.ViewHolder {
TextView titleTextView;
EditText nameEditText;
SwitchCompat enabledSwitch;
AdvertisingInfoViewHolder(View view) {
super(view);
titleTextView = view.findViewById(R.id.titleTextView);
nameEditText = view.findViewById(R.id.nameEditText);
enabledSwitch = view.findViewById(R.id.enabledSwitch);
}
}
class ServiceViewHolder extends RecyclerView.ViewHolder {
ViewGroup mainViewGroup;
TextView nameTextView;
SwitchCompat enabledSwitch;
ServiceViewHolder(View view) {
super(view);
mainViewGroup = view.findViewById(R.id.mainViewGroup);
nameTextView = view.findViewById(R.id.nameTextView);
enabledSwitch = view.findViewById(R.id.enabledSwitch);
}
}
// Data
private Context mContext;
private PeripheralModeViewModel mModel;
private Listener mListener;
//
PeripheralModeAdapter(@NonNull Context context, @NonNull PeripheralModeViewModel viewModel, @NonNull Listener listener) {
mContext = context;
mModel = viewModel;
mListener = listener;
}
@Override
public int getItemViewType(int position) {
super.getItemViewType(position);
if (position == kAdvertisingCellsStartPosition - 1 || position == kServiceCellsStartPosition - 1) {
return kCellType_SectionTitle;
} else if (position == kCellType_AdvertisingInfoCell) {
return kCellType_AdvertisingInfoCell;
} else {
return kCellType_ServicesCell;
}
}
// Create new views (invoked by the layout manager)
@NonNull
@Override
public RecyclerView.ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
//Log.d(TAG, "onCreateViewHolder type: " + viewType);
switch (viewType) {
case kCellType_SectionTitle: {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_common_section_item, parent, false);
return new SectionViewHolder(view);
}
case kCellType_AdvertisingInfoCell: {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_peripheralmode_name_item, parent, false);
return new AdvertisingInfoViewHolder(view);
}
case kCellType_ServicesCell: {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_common_switch_item, parent, false);
return new ServiceViewHolder(view);
}
default: {
Log.e(TAG, "Unknown cell type");
throw new AssertionError("Unknown cell type");
}
}
}
// Replace the contents of a view (invoked by the layout manager)
@Override
public void onBindViewHolder(@NonNull final RecyclerView.ViewHolder holder, int position) {
LocalizationManager localizationManager = LocalizationManager.getInstance();
final int viewType = getItemViewType(position);
switch (viewType) {
case kCellType_SectionTitle:
SectionViewHolder sectionViewHolder = (SectionViewHolder) holder;
sectionViewHolder.titleTextView.setText(localizationManager.getString(mContext, position == kAdvertisingCellsStartPosition - 1 ? "peripheral_advertisinginfo" : "peripheral_services"));
break;
case kCellType_AdvertisingInfoCell:
AdvertisingInfoViewHolder advertisingInfoViewHolder = (AdvertisingInfoViewHolder) holder;
advertisingInfoViewHolder.titleTextView.setText(R.string.peripheral_localname);
final String localName = mModel.getLocalName();
advertisingInfoViewHolder.nameEditText.setText(localName);
advertisingInfoViewHolder.nameEditText.setHint(localName);
advertisingInfoViewHolder.nameEditText.addTextChangedListener(new TextWatcher() {
public void afterTextChanged(Editable s) {
String text = s.toString();
mModel.setLocalName(mContext, text);
}
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
public void onTextChanged(CharSequence s, int start, int before, int count) {
}
});
advertisingInfoViewHolder.enabledSwitch.setChecked(mModel.isIncludingDeviceName(mContext));
advertisingInfoViewHolder.enabledSwitch.setOnCheckedChangeListener((compoundButton, b) -> {
if (compoundButton.isPressed()) {
mModel.setIncludeDeviceName(mContext, b);
}
});
break;
case kCellType_ServicesCell:
final int servicePosition = position - kServiceCellsStartPosition;
ServiceViewHolder serviceViewHolder = (ServiceViewHolder) holder;
final PeripheralService service = mModel.getPeripheralServices().get(servicePosition);
serviceViewHolder.enabledSwitch.setChecked(service.isEnabled());
serviceViewHolder.enabledSwitch.setOnCheckedChangeListener((compoundButton, b) -> {
if (compoundButton.isPressed()) {
service.setEnabled(mContext, b);
mModel.start(mContext); // Force re-start advertising
}
});
serviceViewHolder.nameTextView.setText(service.getName());
serviceViewHolder.mainViewGroup.setOnClickListener(view -> mListener.onServiceSelected(servicePosition));
break;
default:
Log.e(TAG, "Unknown cell type");
break;
}
}
// Return the size of your dataset (invoked by the layout manager)
@Override
public int getItemCount() {
return 1 + 1 + 1 + mModel.getPeripheralServices().size();
}
}
}
