Java tutorial
/* * Copyright (C) 2016 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.google.android.car.kitchensink.bluetooth; import android.app.PendingIntent; import android.bluetooth.BluetoothAdapter; import android.bluetooth.BluetoothDevice; import android.bluetooth.BluetoothDevicePicker; import android.bluetooth.BluetoothMapClient; import android.bluetooth.BluetoothProfile; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.net.Uri; import android.os.Bundle; import android.support.annotation.Nullable; import android.support.v4.app.Fragment; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.CheckBox; import android.widget.EditText; import android.widget.TextView; import com.google.android.car.kitchensink.R; import java.util.List; public class MapMceTestFragment extends Fragment { static final String MESSAGE_TO_SEND = "Im Busy Driving"; private static final String TAG = "CAR.BLUETOOTH.KS"; BluetoothMapClient mMapProfile; BluetoothAdapter mBluetoothAdapter; Button mDevicePicker; Button mDeviceDisconnect; TextView mMessage; EditText mOriginator; TextView mOriginatorDisplayName; CheckBox mSent; CheckBox mDelivered; TextView mBluetoothDevice; PendingIntent mSentIntent; PendingIntent mDeliveredIntent; NotificationReceiver mTransmissionStatusReceiver; Object mLock = new Object(); private Intent mSendIntent; private Intent mDeliveryIntent; @Override public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) { View v = inflater.inflate(R.layout.sms_received, container, false); Button reply = (Button) v.findViewById(R.id.reply); Button checkMessages = (Button) v.findViewById(R.id.check_messages); mBluetoothDevice = (TextView) v.findViewById(R.id.bluetoothDevice); mOriginator = (EditText) v.findViewById(R.id.messageOriginator); mOriginatorDisplayName = (TextView) v.findViewById(R.id.messageOriginatorDisplayName); mSent = (CheckBox) v.findViewById(R.id.sent_checkbox); mDelivered = (CheckBox) v.findViewById(R.id.delivered_checkbox); mSendIntent = new Intent(BluetoothMapClient.ACTION_MESSAGE_SENT_SUCCESSFULLY); mDeliveryIntent = new Intent(BluetoothMapClient.ACTION_MESSAGE_DELIVERED_SUCCESSFULLY); mMessage = (TextView) v.findViewById(R.id.messageContent); mDevicePicker = (Button) v.findViewById(R.id.bluetooth_pick_device); mDeviceDisconnect = (Button) v.findViewById(R.id.bluetooth_disconnect_device); //TODO add manual entry option for phone number reply.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { sendMessage(new Uri[] { Uri.parse(mOriginator.getText().toString()) }, MESSAGE_TO_SEND); } }); checkMessages.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { getMessages(); } }); // Pick a bluetooth device mDevicePicker.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { launchDevicePicker(); } }); mDeviceDisconnect.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { disconnectDevice(mBluetoothDevice.getText().toString()); } }); mTransmissionStatusReceiver = new NotificationReceiver(); return v; } void launchDevicePicker() { IntentFilter filter = new IntentFilter(); filter.addAction(BluetoothDevicePicker.ACTION_DEVICE_SELECTED); getContext().registerReceiver(mPickerReceiver, filter); Intent intent = new Intent(BluetoothDevicePicker.ACTION_LAUNCH); intent.setFlags(Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS); getContext().startActivity(intent); } void disconnectDevice(String device) { mMapProfile.disconnect(mBluetoothAdapter.getRemoteDevice((device))); } @Override public void onResume() { super.onResume(); mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); mBluetoothAdapter.getProfileProxy(getContext(), new MapServiceListener(), BluetoothProfile.MAP_CLIENT); IntentFilter intentFilter = new IntentFilter(); intentFilter.addAction(BluetoothMapClient.ACTION_MESSAGE_SENT_SUCCESSFULLY); intentFilter.addAction(BluetoothMapClient.ACTION_MESSAGE_DELIVERED_SUCCESSFULLY); intentFilter.addAction(BluetoothMapClient.ACTION_MESSAGE_RECEIVED); intentFilter.addAction(BluetoothMapClient.ACTION_CONNECTION_STATE_CHANGED); getContext().registerReceiver(mTransmissionStatusReceiver, intentFilter); } @Override public void onPause() { super.onPause(); getContext().unregisterReceiver(mTransmissionStatusReceiver); } private void getMessages() { synchronized (mLock) { BluetoothDevice remoteDevice; try { remoteDevice = mBluetoothAdapter.getRemoteDevice(mBluetoothDevice.getText().toString()); } catch (java.lang.IllegalArgumentException e) { Log.e(TAG, e.toString()); return; } if (mMapProfile != null) { Log.d(TAG, "Getting Messages"); mMapProfile.getUnreadMessages(remoteDevice); } } } private void sendMessage(Uri[] recipients, String message) { synchronized (mLock) { BluetoothDevice remoteDevice; try { remoteDevice = mBluetoothAdapter.getRemoteDevice(mBluetoothDevice.getText().toString()); } catch (java.lang.IllegalArgumentException e) { Log.e(TAG, e.toString()); return; } mSent.setChecked(false); mDelivered.setChecked(false); if (mMapProfile != null) { Log.d(TAG, "Sending reply"); if (recipients == null) { Log.d(TAG, "Recipients is null"); return; } if (mBluetoothDevice == null) { Log.d(TAG, "BluetoothDevice is null"); return; } mSentIntent = PendingIntent.getBroadcast(getContext(), 0, mSendIntent, PendingIntent.FLAG_ONE_SHOT); mDeliveredIntent = PendingIntent.getBroadcast(getContext(), 0, mDeliveryIntent, PendingIntent.FLAG_ONE_SHOT); mMapProfile.sendMessage(remoteDevice, recipients, message, mSentIntent, mDeliveredIntent); } } } class MapServiceListener implements BluetoothProfile.ServiceListener { @Override public void onServiceConnected(int profile, BluetoothProfile proxy) { synchronized (mLock) { mMapProfile = (BluetoothMapClient) proxy; List<BluetoothDevice> connectedDevices = proxy.getConnectedDevices(); if (connectedDevices.size() > 0) { mBluetoothDevice.setText(connectedDevices.get(0).getAddress()); } } } @Override public void onServiceDisconnected(int profile) { synchronized (mLock) { mMapProfile = null; } } } private class NotificationReceiver extends BroadcastReceiver { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); synchronized (mLock) { if (action.equals(BluetoothMapClient.ACTION_CONNECTION_STATE_CHANGED)) { if (intent.getIntExtra(BluetoothProfile.EXTRA_STATE, 0) == BluetoothProfile.STATE_CONNECTED) { mBluetoothDevice .setText(((BluetoothDevice) intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE)) .getAddress()); } else if (intent.getIntExtra(BluetoothProfile.EXTRA_STATE, 0) == BluetoothProfile.STATE_DISCONNECTED) { mBluetoothDevice.setText("Disconnected"); } } else if (action.equals(BluetoothMapClient.ACTION_MESSAGE_SENT_SUCCESSFULLY)) { mSent.setChecked(true); } else if (action.equals(BluetoothMapClient.ACTION_MESSAGE_DELIVERED_SUCCESSFULLY)) { mDelivered.setChecked(true); } else if (action.equals(BluetoothMapClient.ACTION_MESSAGE_RECEIVED)) { String senderUri = intent.getStringExtra(BluetoothMapClient.EXTRA_SENDER_CONTACT_URI); if (senderUri == null) { senderUri = "<null>"; } String senderName = intent.getStringExtra(BluetoothMapClient.EXTRA_SENDER_CONTACT_NAME); if (senderName == null) { senderName = "<null>"; } mMessage.setText(intent.getStringExtra(android.content.Intent.EXTRA_TEXT)); mOriginator.setText(senderUri); mOriginatorDisplayName.setText(senderName); } } } } private final BroadcastReceiver mPickerReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { String action = intent.getAction(); Log.v(TAG, "mPickerReceiver got " + action); if (BluetoothDevicePicker.ACTION_DEVICE_SELECTED.equals(action)) { BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); Log.v(TAG, "mPickerReceiver got " + device); mMapProfile.connect(device); // The receiver can now be disabled. getContext().unregisterReceiver(mPickerReceiver); } } }; }