le_audio/packages/apps/Settings/src/com/android/settings/bluetooth/BluetoothBroadcastPinFragment.java - platform/system/bt - Git at Google

 /******************************************************************************
  *
  *  Copyright 2021 The Android Open Source Project
  *
  *  Licensed under the Apache License, Version 2.0 (the "License");
  *  you may not use this file except in compliance with the License.
  *  You may obtain a copy of the License at:
  *
  *  http://www.apache.org/licenses/LICENSE-2.0
  *
  *  Unless required by applicable law or agreed to in writing, software
  *  distributed under the License is distributed on an "AS IS" BASIS,
  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  *  See the License for the specific language governing permissions and
  *  limitations under the License.
  *
  ******************************************************************************/


 package com.android.settings.bluetooth;

 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.res.Configuration;
 import android.os.Bundle;
 import android.text.Editable;
 import android.text.InputFilter;
 import android.text.TextUtils;
 import android.text.TextWatcher;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.TextView;
 import android.widget.RadioButton;
 import android.widget.RadioGroup;

 import androidx.annotation.VisibleForTesting;
 import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.fragment.app.FragmentManager;
 import androidx.fragment.app.DialogFragment;

 import android.app.settings.SettingsEnums;
 import com.android.settings.R;
 import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
 import com.android.settings.bluetooth.BluetoothBroadcastEnableController;
 import com.android.settingslib.bluetooth.BluetoothUtils;
 import com.android.settingslib.bluetooth.BroadcastProfile;
 import com.android.settingslib.bluetooth.LocalBluetoothProfile;
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
 import com.android.settingslib.bluetooth.LocalBluetoothProfileManager;
 import java.util.ArrayList;
 import java.util.List;


 /**
  * Dialog fragment for renaming a Bluetooth device.
  */
 public class BluetoothBroadcastPinFragment extends InstrumentedDialogFragment
         implements RadioGroup.OnCheckedChangeListener {

     public static BluetoothBroadcastPinFragment newInstance() {
         Log.d(TAG, "newInstance");
         BluetoothBroadcastPinFragment frag = new BluetoothBroadcastPinFragment();
         return frag;
     }

     public static final String TAG = "BluetoothBroadcastPinFragment";

     private Context mContext;
     @VisibleForTesting
     AlertDialog mAlertDialog = null;
     private Dialog mDialog = null;
     private Button mOkButton = null;
     private TextView mCurrentPinView;

     private String mCurrentPin = "4308";
     private int mUserSelectedPinConfiguration = -1;

     private List<Integer> mRadioButtonIds = new ArrayList<>();
     private List<String> mRadioButtonStrings = new ArrayList<>();

     private int getDialogTitle() {
        return R.string.bluetooth_broadcast_pin_configure_dialog;
     }

     private void updatePinConfiguration() {
         Log.d(TAG, "updatePinConfiguration with " + Integer.toString(mUserSelectedPinConfiguration));
         if (mUserSelectedPinConfiguration == -1) {
           Log.e(TAG, "no pin selected");
           return;
         }
         // Call lower layer to generate new pin
         LocalBluetoothManager mManager = Utils.getLocalBtManager(mContext);
         LocalBluetoothProfileManager profileManager = mManager.getProfileManager();
         BroadcastProfile bapProfile = (BroadcastProfile) profileManager.getBroadcastProfile();
         if (mUserSelectedPinConfiguration != 0)
            bapProfile.setEncryption(true, mUserSelectedPinConfiguration, false);
         else
            bapProfile.setEncryption(false, mUserSelectedPinConfiguration, false);
     }

     @Override
     public void onAttach(Context context) {
         Log.d(TAG, "onAttach");
         super.onAttach(context);
         mContext = context;
     }

     @Override
     public void onCreate(Bundle savedInstanceState) {
         Log.d(TAG, "onCreate");
         super.onCreate(savedInstanceState);
     }

     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         Log.d(TAG, "onActivityCreated");
         super.onActivityCreated(savedInstanceState);
         //Dialog mDialog = onCreateDialog(new Bundle());
         //this.show(this.getActivity().getSupportFragmentManager(), "PinFragment");
     }

     /*
     public void show() {
         Log.e(TAG, "show");
         this.show(this.getActivity().getSupportFragmentManager(), "PinFragment");
     }
     */

     @Override
     public Dialog onCreateDialog(Bundle savedInstanceState) {
         //String deviceName = getDeviceName();
         Log.d(TAG, "onCreateDialog - enter");
         if (savedInstanceState != null) {
             Log.e(TAG, "savedInstanceState != null");
         }
         AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())
                 .setTitle(getDialogTitle())
                 .setView(createDialogView())
                 .setPositiveButton(R.string.okay, (dialog, which) -> {
                     //setDeviceName(mDeviceNameView.getText().toString().trim());
                     updatePinConfiguration();
                 })
                 .setNegativeButton(android.R.string.cancel, null);
         mAlertDialog = builder.create();
         Log.d(TAG, "onCreateDialog - exit");
         return mAlertDialog;
     }

     @Override
     public int getMetricsCategory() {
         return SettingsEnums.BLUETOOTH_FRAGMENT;
     }

     @Override
     public void onSaveInstanceState(Bundle outState) {
         Log.d(TAG, "onSaveInstanceState");
     }

     private int getRadioButtonGroupId() {
         return R.id.bluetooth_broadcast_pin_config_radio_group;
     }

     private void setCurrentPin(String pin) {
         mCurrentPin = pin;
     }

     private String getCurrentPin() {
         return mCurrentPin;
     }

     @Override
     public void onCheckedChanged(RadioGroup group, int checkedId) {
         Log.d(TAG, "Index changed to " + checkedId);
         // radioButton = (RadioButton) view.findViewById(checkedId);
         int index = mRadioButtonIds.indexOf(checkedId);
         Log.d(TAG, "index");
         String[] stringArrayValues = getContext().getResources().getStringArray(
                 R.array.bluetooth_broadcast_pin_config_values);
         mUserSelectedPinConfiguration = Integer.parseInt(stringArrayValues[index]);
         Log.d(TAG, "Selected Pin Configuration " + Integer.toString(mUserSelectedPinConfiguration));
     }

     private View createDialogView() {
         Log.d(TAG, "onCreateDialogView - enter");
         final LayoutInflater layoutInflater = (LayoutInflater)getActivity()
             .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
         View view = layoutInflater.inflate(R.xml.bluetooth_broadcast_pin_config, null);

         final RadioGroup radioGroup = (RadioGroup) view.findViewById(getRadioButtonGroupId());
         if (radioGroup == null) {
             Log.e (TAG, "Not able to find RadioGroup");
             return null;
         }
         radioGroup.clearCheck();
         radioGroup.setOnCheckedChangeListener(this);

         // Fill up the Radio Group
         mRadioButtonIds.add(R.id.bluetooth_broadcast_pin_unencrypted);
         mRadioButtonIds.add(R.id.bluetooth_broadcast_pin_4);
         mRadioButtonIds.add(R.id.bluetooth_broadcast_pin_16);
         String[] stringArray = getContext().getResources().getStringArray(
                 R.array.bluetooth_broadcast_pin_config_titles);
         for (int i = 0; i < stringArray.length; i++) {
             mRadioButtonStrings.add(stringArray[i]);
         }
         RadioButton radioButton;
         for (int i = 0; i < mRadioButtonStrings.size(); i++) {
             radioButton = (RadioButton) view.findViewById(mRadioButtonIds.get(i));
             if (radioButton == null) {
                 Log.e(TAG, "Unable to show dialog by no radio button:" + mRadioButtonIds.get(i));
                 return null;
             }
             radioButton.setText(mRadioButtonStrings.get(i));
             radioButton.setEnabled(true);
         }

         mCurrentPinView = (TextView) view.findViewById(R.id.bluetooth_broadcast_current_pin);
         //mCurrentPinView.setText("Current Pin is " + getCurrentPin());
         Log.d(TAG, "onCreateDialogView - exit");
         return view;
     }

     @Override
     public void onDestroy() {
         super.onDestroy();
         Log.d(TAG, "onDestroy");
         mAlertDialog = null;
         mOkButton = null;
         mCurrentPinView = null;
         mRadioButtonIds = new ArrayList<>();
         mRadioButtonStrings = new ArrayList<>();
         mUserSelectedPinConfiguration = -1;
     }

     @Override
     public void onResume() {
         super.onResume();
         Log.d(TAG, "onResume");
         if (mOkButton == null) {
             if (mAlertDialog != null) {
                 mOkButton = mAlertDialog.getButton(DialogInterface.BUTTON_POSITIVE);
                 mOkButton.setEnabled(true);
             } else {
                 Log.d(TAG, "onResume: mAlertDialog is null");
             }
         }
     }
 }
	/******************************************************************************
	*
	* Copyright 2021 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at:
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*
	******************************************************************************/



	package com.android.settings.bluetooth;

	import android.app.Dialog;
	import android.content.Context;
	import android.content.DialogInterface;
	import android.content.res.Configuration;
	import android.os.Bundle;
	import android.text.Editable;
	import android.text.InputFilter;
	import android.text.TextUtils;
	import android.text.TextWatcher;
	import android.view.KeyEvent;
	import android.view.LayoutInflater;
	import android.util.Log;
	import android.view.View;
	import android.widget.Button;
	import android.widget.EditText;
	import android.widget.TextView;
	import android.widget.RadioButton;
	import android.widget.RadioGroup;

	import androidx.annotation.VisibleForTesting;
	import androidx.appcompat.app.AlertDialog;
	import androidx.fragment.app.Fragment;
	import androidx.fragment.app.FragmentActivity;
	import androidx.fragment.app.FragmentManager;
	import androidx.fragment.app.DialogFragment;

	import android.app.settings.SettingsEnums;
	import com.android.settings.R;
	import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
	import com.android.settings.bluetooth.BluetoothBroadcastEnableController;
	import com.android.settingslib.bluetooth.BluetoothUtils;
	import com.android.settingslib.bluetooth.BroadcastProfile;
	import com.android.settingslib.bluetooth.LocalBluetoothProfile;
	import com.android.settingslib.bluetooth.LocalBluetoothManager;
	import com.android.settingslib.bluetooth.LocalBluetoothProfileManager;
	import java.util.ArrayList;
	import java.util.List;


	/**
	* Dialog fragment for renaming a Bluetooth device.
	*/
	public class BluetoothBroadcastPinFragment extends InstrumentedDialogFragment
	implements RadioGroup.OnCheckedChangeListener {

	public static BluetoothBroadcastPinFragment newInstance() {
	Log.d(TAG, "newInstance");
	BluetoothBroadcastPinFragment frag = new BluetoothBroadcastPinFragment();
	return frag;
	}

	public static final String TAG = "BluetoothBroadcastPinFragment";

	private Context mContext;
	@VisibleForTesting
	AlertDialog mAlertDialog = null;
	private Dialog mDialog = null;
	private Button mOkButton = null;
	private TextView mCurrentPinView;

	private String mCurrentPin = "4308";
	private int mUserSelectedPinConfiguration = -1;

	private List<Integer> mRadioButtonIds = new ArrayList<>();
	private List<String> mRadioButtonStrings = new ArrayList<>();

	private int getDialogTitle() {
	return R.string.bluetooth_broadcast_pin_configure_dialog;
	}

	private void updatePinConfiguration() {
	Log.d(TAG, "updatePinConfiguration with " + Integer.toString(mUserSelectedPinConfiguration));
	if (mUserSelectedPinConfiguration == -1) {
	Log.e(TAG, "no pin selected");
	return;
	}
	// Call lower layer to generate new pin
	LocalBluetoothManager mManager = Utils.getLocalBtManager(mContext);
	LocalBluetoothProfileManager profileManager = mManager.getProfileManager();
	BroadcastProfile bapProfile = (BroadcastProfile) profileManager.getBroadcastProfile();
	if (mUserSelectedPinConfiguration != 0)
	bapProfile.setEncryption(true, mUserSelectedPinConfiguration, false);
	else
	bapProfile.setEncryption(false, mUserSelectedPinConfiguration, false);
	}

	@Override
	public void onAttach(Context context) {
	Log.d(TAG, "onAttach");
	super.onAttach(context);
	mContext = context;
	}

	@Override
	public void onCreate(Bundle savedInstanceState) {
	Log.d(TAG, "onCreate");
	super.onCreate(savedInstanceState);
	}

	@Override
	public void onActivityCreated(Bundle savedInstanceState) {
	Log.d(TAG, "onActivityCreated");
	super.onActivityCreated(savedInstanceState);
	//Dialog mDialog = onCreateDialog(new Bundle());
	//this.show(this.getActivity().getSupportFragmentManager(), "PinFragment");
	}

	/*
	public void show() {
	Log.e(TAG, "show");
	this.show(this.getActivity().getSupportFragmentManager(), "PinFragment");
	}
	*/

	@Override
	public Dialog onCreateDialog(Bundle savedInstanceState) {
	//String deviceName = getDeviceName();
	Log.d(TAG, "onCreateDialog - enter");
	if (savedInstanceState != null) {
	Log.e(TAG, "savedInstanceState != null");
	}
	AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())
	.setTitle(getDialogTitle())
	.setView(createDialogView())
	.setPositiveButton(R.string.okay, (dialog, which) -> {
	//setDeviceName(mDeviceNameView.getText().toString().trim());
	updatePinConfiguration();
	})
	.setNegativeButton(android.R.string.cancel, null);
	mAlertDialog = builder.create();
	Log.d(TAG, "onCreateDialog - exit");
	return mAlertDialog;
	}

	@Override
	public int getMetricsCategory() {
	return SettingsEnums.BLUETOOTH_FRAGMENT;
	}

	@Override
	public void onSaveInstanceState(Bundle outState) {
	Log.d(TAG, "onSaveInstanceState");
	}

	private int getRadioButtonGroupId() {
	return R.id.bluetooth_broadcast_pin_config_radio_group;
	}

	private void setCurrentPin(String pin) {
	mCurrentPin = pin;
	}

	private String getCurrentPin() {
	return mCurrentPin;
	}

	@Override
	public void onCheckedChanged(RadioGroup group, int checkedId) {
	Log.d(TAG, "Index changed to " + checkedId);
	// radioButton = (RadioButton) view.findViewById(checkedId);
	int index = mRadioButtonIds.indexOf(checkedId);
	Log.d(TAG, "index");
	String[] stringArrayValues = getContext().getResources().getStringArray(
	R.array.bluetooth_broadcast_pin_config_values);
	mUserSelectedPinConfiguration = Integer.parseInt(stringArrayValues[index]);
	Log.d(TAG, "Selected Pin Configuration " + Integer.toString(mUserSelectedPinConfiguration));
	}

	private View createDialogView() {
	Log.d(TAG, "onCreateDialogView - enter");
	final LayoutInflater layoutInflater = (LayoutInflater)getActivity()
	.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
	View view = layoutInflater.inflate(R.xml.bluetooth_broadcast_pin_config, null);

	final RadioGroup radioGroup = (RadioGroup) view.findViewById(getRadioButtonGroupId());
	if (radioGroup == null) {
	Log.e (TAG, "Not able to find RadioGroup");
	return null;
	}
	radioGroup.clearCheck();
	radioGroup.setOnCheckedChangeListener(this);

	// Fill up the Radio Group
	mRadioButtonIds.add(R.id.bluetooth_broadcast_pin_unencrypted);
	mRadioButtonIds.add(R.id.bluetooth_broadcast_pin_4);
	mRadioButtonIds.add(R.id.bluetooth_broadcast_pin_16);
	String[] stringArray = getContext().getResources().getStringArray(
	R.array.bluetooth_broadcast_pin_config_titles);
	for (int i = 0; i < stringArray.length; i++) {
	mRadioButtonStrings.add(stringArray[i]);
	}
	RadioButton radioButton;
	for (int i = 0; i < mRadioButtonStrings.size(); i++) {
	radioButton = (RadioButton) view.findViewById(mRadioButtonIds.get(i));
	if (radioButton == null) {
	Log.e(TAG, "Unable to show dialog by no radio button:" + mRadioButtonIds.get(i));
	return null;
	}
	radioButton.setText(mRadioButtonStrings.get(i));
	radioButton.setEnabled(true);
	}

	mCurrentPinView = (TextView) view.findViewById(R.id.bluetooth_broadcast_current_pin);
	//mCurrentPinView.setText("Current Pin is " + getCurrentPin());
	Log.d(TAG, "onCreateDialogView - exit");
	return view;
	}

	@Override
	public void onDestroy() {
	super.onDestroy();
	Log.d(TAG, "onDestroy");
	mAlertDialog = null;
	mOkButton = null;
	mCurrentPinView = null;
	mRadioButtonIds = new ArrayList<>();
	mRadioButtonStrings = new ArrayList<>();
	mUserSelectedPinConfiguration = -1;
	}

	@Override
	public void onResume() {
	super.onResume();
	Log.d(TAG, "onResume");
	if (mOkButton == null) {
	if (mAlertDialog != null) {
	mOkButton = mAlertDialog.getButton(DialogInterface.BUTTON_POSITIVE);
	mOkButton.setEnabled(true);
	} else {
	Log.d(TAG, "onResume: mAlertDialog is null");
	}
	}
	}
	}