Initial 2.1 bluetooth support.
Need to work with Strings and UI person to fix and later test everything.
This commit is contained in:
Jaikumar Ganesh
261
src/com/android/settings/bluetooth/BluetoothPairingDialog.java
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261
src/com/android/settings/bluetooth/BluetoothPairingDialog.java
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.bluetooth;
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import android.bluetooth.BluetoothClass;
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import android.bluetooth.BluetoothDevice;
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import android.bluetooth.BluetoothIntent;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.os.Bundle;
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import android.text.Editable;
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import android.text.InputFilter;
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import android.text.InputType;
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import android.text.TextWatcher;
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import android.text.InputFilter.LengthFilter;
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import android.util.Log;
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import android.view.View;
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import android.widget.Button;
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import android.widget.EditText;
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import android.widget.TextView;
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import com.android.internal.app.AlertActivity;
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import com.android.internal.app.AlertController;
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import com.android.settings.R;
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/**
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* BluetoothPairingDialog asks the user to enter a PIN / Passkey / simple confirmation
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* for pairing with a remote Bluetooth device. It is an activity that appears as a dialog.
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*/
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public class BluetoothPairingDialog extends AlertActivity implements DialogInterface.OnClickListener,
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TextWatcher {
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private static final String TAG = "BluetoothPairingDialog";
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private final int BLUETOOTH_PIN_MAX_LENGTH = 16;
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private final int BLUETOOTH_PASSKEY_MAX_LENGTH = 6;
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private LocalBluetoothManager mLocalManager;
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private String mAddress;
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private int mType;
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private int mConfirmationPasskey;
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private EditText mPairingView;
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private Button mOkButton;
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private static final String INSTANCE_KEY_PAIRING_CANCELED = "received_pairing_canceled";
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private boolean mReceivedPairingCanceled;
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private BroadcastReceiver mReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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if (!BluetoothIntent.PAIRING_CANCEL_ACTION.equals(intent.getAction())) {
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return;
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}
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String address = intent.getStringExtra(BluetoothIntent.ADDRESS);
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if (address == null || address.equals(mAddress)) {
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onReceivedPairingCanceled();
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}
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}
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};
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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Intent intent = getIntent();
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if (!intent.getAction().equals(BluetoothIntent.PAIRING_REQUEST_ACTION))
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{
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Log.e(TAG,
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"Error: this activity may be started only with intent " +
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BluetoothIntent.PAIRING_REQUEST_ACTION);
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finish();
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}
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mLocalManager = LocalBluetoothManager.getInstance(this);
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mAddress = intent.getStringExtra(BluetoothIntent.ADDRESS);
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mType = intent.getIntExtra(BluetoothIntent.PAIRING_VARIANT, BluetoothClass.ERROR);
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if (mType == BluetoothDevice.PAIRING_VARIANT_PIN) {
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createUserEntryDialog();
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} else if (mType == BluetoothDevice.PAIRING_VARIANT_PASSKEY) {
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createUserEntryDialog();
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} else if (mType == BluetoothDevice.PAIRING_VARIANT_CONFIRMATION){
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mConfirmationPasskey =
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intent.getIntExtra(BluetoothIntent.PASSKEY, BluetoothClass.ERROR);
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if (mConfirmationPasskey == BluetoothClass.ERROR) {
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Log.e(TAG, "Invalid ConfirmationPasskey received, not showing any dialog");
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return;
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}
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createConfirmationDialog();
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} else {
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Log.e(TAG, "Incorrect pairing type received, not showing any dialog");
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}
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/*
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* Leave this registered through pause/resume since we still want to
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* finish the activity in the background if pairing is canceled.
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*/
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registerReceiver(mReceiver, new IntentFilter(BluetoothIntent.PAIRING_CANCEL_ACTION));
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}
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private void createUserEntryDialog() {
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final AlertController.AlertParams p = mAlertParams;
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p.mIconId = android.R.drawable.ic_dialog_info;
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p.mTitle = getString(R.string.bluetooth_pin_entry);
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p.mView = createView();
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p.mPositiveButtonText = getString(android.R.string.ok);
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p.mPositiveButtonListener = this;
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p.mNegativeButtonText = getString(android.R.string.cancel);
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p.mNegativeButtonListener = this;
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setupAlert();
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mOkButton = mAlert.getButton(DialogInterface.BUTTON_POSITIVE);
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mOkButton.setEnabled(false);
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}
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private View createView() {
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View view = getLayoutInflater().inflate(R.layout.bluetooth_pin_entry, null);
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String name = mLocalManager.getLocalDeviceManager().getName(mAddress);
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TextView messageView = (TextView) view.findViewById(R.id.message);
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mPairingView = (EditText) view.findViewById(R.id.text);
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mPairingView.addTextChangedListener(this);
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if (mType == BluetoothDevice.PAIRING_VARIANT_PIN) {
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messageView.setText(getString(R.string.bluetooth_enter_pin_msg, name));
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// Maximum of 16 characters in a PIN adb sync
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mPairingView.setFilters(new InputFilter[] {
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new LengthFilter(BLUETOOTH_PIN_MAX_LENGTH) });
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} else if (mType == BluetoothDevice.PAIRING_VARIANT_PASSKEY){
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messageView.setText(getString(R.string.bluetooth_enter_passkey_msg, name));
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// Maximum of 6 digits for passkey
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mPairingView.setInputType(InputType.TYPE_NUMBER_FLAG_SIGNED);
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mPairingView.setFilters(new InputFilter[] {
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new LengthFilter(BLUETOOTH_PASSKEY_MAX_LENGTH)});
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} else {
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mPairingView.setVisibility(View.GONE);
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messageView.setText(getString(R.string.bluetooth_confirm_passkey_msg, name,
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mConfirmationPasskey));
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}
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return view;
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}
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private void createConfirmationDialog() {
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final AlertController.AlertParams p = mAlertParams;
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p.mIconId = android.R.drawable.ic_dialog_info;
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p.mTitle = getString(R.string.bluetooth_pin_entry);
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p.mView = createView();
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p.mPositiveButtonText = getString(android.R.string.yes);
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p.mPositiveButtonListener = this;
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p.mNegativeButtonText = getString(android.R.string.no);
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p.mNegativeButtonListener = this;
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setupAlert();
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}
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@Override
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protected void onRestoreInstanceState(Bundle savedInstanceState) {
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super.onRestoreInstanceState(savedInstanceState);
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mReceivedPairingCanceled = savedInstanceState.getBoolean(INSTANCE_KEY_PAIRING_CANCELED);
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if (mReceivedPairingCanceled) {
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onReceivedPairingCanceled();
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}
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}
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@Override
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protected void onSaveInstanceState(Bundle outState) {
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super.onSaveInstanceState(outState);
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outState.putBoolean(INSTANCE_KEY_PAIRING_CANCELED, mReceivedPairingCanceled);
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}
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@Override
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protected void onDestroy() {
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super.onDestroy();
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unregisterReceiver(mReceiver);
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}
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public void afterTextChanged(Editable s) {
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if (s.length() > 0) {
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mOkButton.setEnabled(true);
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}
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}
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private void onReceivedPairingCanceled() {
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mReceivedPairingCanceled = true;
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TextView messageView = (TextView) findViewById(R.id.message);
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messageView.setText(getString(R.string.bluetooth_pairing_error_message,
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mLocalManager.getLocalDeviceManager().getName(mAddress)));
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mPairingView.setVisibility(View.GONE);
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mPairingView.clearFocus();
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mPairingView.removeTextChangedListener(this);
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mOkButton = mAlert.getButton(DialogInterface.BUTTON_POSITIVE);
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mOkButton.setEnabled(true);
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mAlert.getButton(DialogInterface.BUTTON_NEGATIVE).setVisibility(View.GONE);
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}
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private void onPair(String value) {
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if (mType == BluetoothDevice.PAIRING_VARIANT_PIN) {
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byte[] pinBytes = BluetoothDevice.convertPinToBytes(value);
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if (pinBytes == null) {
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return;
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}
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mLocalManager.getBluetoothManager().setPin(mAddress, pinBytes);
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} else if (mType == BluetoothDevice.PAIRING_VARIANT_PASSKEY) {
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int passkey = Integer.getInteger(value);
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mLocalManager.getBluetoothManager().setPasskey(mAddress, passkey);
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} else {
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mLocalManager.getBluetoothManager().setPairingConfirmation(mAddress, true);
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}
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}
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private void onCancel() {
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if (mType == BluetoothDevice.PAIRING_VARIANT_CONFIRMATION) {
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mLocalManager.getBluetoothManager().setPairingConfirmation(mAddress, false);
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} else {
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mLocalManager.getBluetoothManager().cancelBondProcess(mAddress);
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}
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}
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public void onClick(DialogInterface dialog, int which) {
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switch (which) {
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case DialogInterface.BUTTON_POSITIVE:
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onPair(mPairingView.getText().toString());
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break;
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case DialogInterface.BUTTON_NEGATIVE:
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onCancel();
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break;
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}
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}
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/* Not used */
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public void beforeTextChanged(CharSequence s, int start, int count, int after) {
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}
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/* Not used */
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public void onTextChanged(CharSequence s, int start, int before, int count) {
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}
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}
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