花了半個多月，寫Android BLE，看了github上很多源碼。
import android.annotation.SuppressLint;
import android.app.Service;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothGatt;
import android.bluetooth.BluetoothGattCallback;
import android.bluetooth.BluetoothGattCharacteristic;
import android.bluetooth.BluetoothGattDescriptor;
import android.bluetooth.BluetoothGattService;
import android.bluetooth.BluetoothManager;
import android.bluetooth.BluetoothProfile;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Binder;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.util.Log;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import java.util.UUID;
import android.app.Activity;
import btlescan.ui.control.DeviceControlActivity;
//creator by zhangkun on 2018-12-1
@SuppressLint("NewApi")
public class PkeService extends Service {
private final static String TAG = PkeService.class.getSimpleName();
private BluetoothManager mBluetoothManager;
private BluetoothAdapter mBluetoothAdapter;
private String mBluetoothDeviceAddress;
private BluetoothGatt mBluetoothGatt;
BluetoothGattService linkLossService_pke;
BluetoothGattCharacteristic alertLevel_pke;
private int mConnectionState = STATE_DISCONNECTED;
private static final int STATE_DISCONNECTED = 0;
private static final int STATE_CONNECTING = 1;
private static final int STATE_CONNECTED = 2;
public final static String ACTION_GATT_CONNECTED = "com.choicemmed.bledemo.ACTION_GATT_CONNECTED";
public final static String ACTION_GATT_DISCONNECTED = "com.choicemmed.bledemo.ACTION_GATT_DISCONNECTED";
public final static String ACTION_GATT_SERVICES_DISCOVERED = "com.choicemmed.bledemo.ACTION_GATT_SERVICES_DISCOVERED";
public final static String ACTION_DATA_AVAILABLE = "com.choicemmed.bledemo.ACTION_DATA_AVAILABLE";
public final static String EXTRA_DATA = "com.choicemmed.bledemo.EXTRA_DATA";
public static String CLIENT_CHARACTERISTIC_CONFIG = "00002902-0000-1000-8000-00805f9b34fb";
//zhangkun add 2018-11-15
public SharedPreferences pkeUserSettings = null;
private String PkeMacAddr = "";
private boolean mScanning;
private static BluetoothDevice PkeDevice;
private int PkeRssiQualified = 0;
// Implements callback methods for GATT events that the app cares about. For
// example,
// connection change and services discovered.
private final BluetoothGattCallback mGattCallback = new BluetoothGattCallback() {
@Override
public void onConnectionStateChange(BluetoothGatt gatt, int status,
int newState) {
String intentAction;
if (newState == BluetoothProfile.STATE_CONNECTED) {
intentAction = ACTION_GATT_CONNECTED;
mConnectionState = STATE_CONNECTED;
// broadcastUpdate(intentAction);
Log.i(TAG, "Connected to GATT server.");
// Attempts to discover services after successful connection.
// Log.i(TAG, "Attempting to start service discovery:"
// + mBluetoothGatt.discoverServices());
Log.e("onConnec中中中", "連接成功:");
gatt.discoverServices();//必須有，可以讓onServicesDiscovered顯示所有Services
} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {
intentAction = ACTION_GATT_DISCONNECTED;
mConnectionState = STATE_DISCONNECTED;
Log.i(TAG, "Disconnected from GATT server.");
// broadcastUpdate(intentAction);
}
}
@Override
public void onServicesDiscovered(BluetoothGatt gatt, int status) {
if (status == BluetoothGatt.GATT_SUCCESS) {
// broadcastUpdate(ACTION_GATT_SERVICES_DISCOVERED);
List<BluetoothGattService> list = mBluetoothGatt.getServices();
for (BluetoothGattService bluetoothGattService:list){
String str = bluetoothGattService.getUuid().toString();
Log.e("onServicesDisc中中中", " ：" + str);
List<BluetoothGattCharacteristic> gattCharacteristics = bluetoothGattService
.getCharacteristics();
for (BluetoothGattCharacteristic gattCharacteristic : gattCharacteristics) {
Log.e("onServicesDisc中中中", " ：" + gattCharacteristic.getUuid());
if("0000ffe1-0000-1000-8000-00805f9b34fb".equals(gattCharacteristic.getUuid().toString())){
linkLossService_pke=bluetoothGattService;
alertLevel_pke=gattCharacteristic;
Log.e("daole",alertLevel_pke.getUuid().toString());
}
}
}
enableNotification(true,gatt,alertLevel_pke);//必須要有，否則接收不到數據
} else {
Log.w(TAG, "onServicesDiscovered received: " + status);
}
}
@Override
public void onCharacteristicRead(BluetoothGatt gatt,
BluetoothGattCharacteristic characteristic, int status) {
Log.d(TAG, "onCharacteristicRead:" +status);
Log.e("onCharacteristicRead中", "數據接收了哦"+bytesToHexString(characteristic.getValue()));
if (status == BluetoothGatt.GATT_SUCCESS) {
broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
}
}
@Override
public void onCharacteristicWrite(BluetoothGatt gatt,
BluetoothGattCharacteristic characteristic, int status) {
System.out.println("--------write success----- status:" + status);
Log.e("onCharacteristicWrite中", "數據發送了哦");
Log.e("onCharacteristicWrite中", bytesToHexString(characteristic.getValue()));
if(status == BluetoothGatt.GATT_SUCCESS){//寫入成功
Log.e("onCharacteristicWrite中", "寫入成功");
// tx_display.append("寫入成功");
}else if (status == BluetoothGatt.GATT_FAILURE){
Log.e("onCharacteristicWrite中", "寫入失敗");
}else if (status == BluetoothGatt.GATT_WRITE_NOT_PERMITTED){
Log.e("onCharacteristicWrite中", "沒權限");
}
};
/*
* when connected successfully will callback this method
* this method can dealwith send password or data analyze
*
* */
@Override
public void onCharacteristicChanged(BluetoothGatt gatt,
BluetoothGattCharacteristic characteristic) {
Log.e("CharacteristicChanged中", "數據接收了哦"+bytesToHexString(characteristic.getValue()));
broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
}
@Override
public void onDescriptorWrite(BluetoothGatt gatt,
BluetoothGattDescriptor descriptor, int status) {
UUID uuid = descriptor.getCharacteristic().getUuid();
}
@Override
public void onReadRemoteRssi(BluetoothGatt gatt, int rssi, int status) {
System.out.println("rssi = " + rssi);
}
};
private void broadcastUpdate(final String action) {
final Intent intent = new Intent(action);
sendBroadcast(intent);
}
private void broadcastUpdate(final String action,
final BluetoothGattCharacteristic characteristic) {
final Intent intent = new Intent(action);
byte[] heartRate = characteristic.getValue();
String s = DeviceControlActivity.byte2HexStr(heartRate);
String data = DeviceControlActivity.print10(s);
if (data != null ) {
intent.putExtra(EXTRA_DATA, data);
}
sendBroadcast(intent);
}
public class LocalBinder extends Binder {
public PkeService getService() {
return PkeService.this;
}
}
@Override
public IBinder onBind(Intent intent) {
return mBinder;
}
@Override
public boolean onUnbind(Intent intent) {
// After using a given device, you should make sure that
// BluetoothGatt.close() is called
// such that resources are cleaned up properly. In this particular
// example, close() is
// invoked when the UI is disconnected from the Service.
close();
return super.onUnbind(intent);
}
private final IBinder mBinder = new LocalBinder();
/**
* Initializes a reference to the local Bluetooth adapter.
*
* @return Return true if the initialization is successful.
*/
public boolean initialize() {
// For API level 18 and above, get a reference to BluetoothAdapter
// through
// BluetoothManager.
if (mBluetoothManager == null) {
mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
if (mBluetoothManager == null) {
Log.e(TAG, "Unable to initialize BluetoothManager.");
return false;
}
}
mBluetoothAdapter = mBluetoothManager.getAdapter();
if (mBluetoothAdapter == null) {
Log.e(TAG, "Unable to obtain a BluetoothAdapter.");
return false;
}else
{
ReadPkeStatus();
}
return true;
}
public void closePke()
{
timerPke.cancel();
mBluetoothGatt.close();
}
/**
* Connects to the GATT server hosted on the Bluetooth LE device.
*
* @param address
* The device address of the destination device.
*
* @return Return true if the connection is initiated successfully. The
* connection result is reported asynchronously through the
* {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
* callback.
*/
public boolean connect(final String address, final BluetoothDevice device ) {
if (mBluetoothAdapter == null || address == null) {
Log.w(TAG,
"BluetoothAdapter not initialized or unspecified address.");
return false;
}
if (device == null) {
Log.d(TAG, "沒有設備");
return false;
}
// We want to directly connect to the device, so we are setting the
// autoConnect
// parameter to false.
mBluetoothGatt = device.connectGatt(this, false, mGattCallback);
Log.d(TAG, "Trying to create a new connection.");
mBluetoothDeviceAddress = address;
mConnectionState = STATE_CONNECTING;
return true;
}
/**
* Disconnects an existing connection or cancel a pending connection. The
* disconnection result is reported asynchronously through the
* {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
* callback.
*/
public void disconnect() {
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
Log.w(TAG, "BluetoothAdapter not initialized");
return;
}
mBluetoothGatt.disconnect();
}
/**
* After using a given BLE device, the app must call this method to ensure
* resources are released properly.
*/
public void close() {
if (mBluetoothGatt == null) {
return;
}
mBluetoothGatt.close();
mBluetoothGatt = null;
}
public void wirteCharacteristic(BluetoothGattCharacteristic characteristic) {
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
Log.w(TAG, "BluetoothAdapter not initialized");
return;
}
mBluetoothGatt.writeCharacteristic(characteristic);
}
/**
* Request a read on a given {@code BluetoothGattCharacteristic}. The read
* result is reported asynchronously through the
* {@code BluetoothGattCallback#onCharacteristicRead(android.bluetooth.BluetoothGatt, android.bluetooth.BluetoothGattCharacteristic, int)}
* callback.
*
* @param characteristic
* The characteristic to read from.
*/
public void readCharacteristic(BluetoothGattCharacteristic characteristic) {
Log.d(TAG, "readCharacteristic: "+characteristic.getProperties());
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
Log.d(TAG, "BluetoothAdapter爲空");
return;
}
mBluetoothGatt.readCharacteristic(characteristic);
}
/**
* Enables or disables notification on a give characteristic.
*
* @param characteristic
* Characteristic to act on.
* @param enabled
* If true, enable notification. False otherwise.
*/
public void setCharacteristicNotification(
BluetoothGattCharacteristic characteristic, boolean enabled) {
if (mBluetoothAdapter == null || mBluetoothGatt == null) {
Log.d(TAG, "BluetoothAdapter爲空");
return;
}
mBluetoothGatt.setCharacteristicNotification(characteristic, enabled);
BluetoothGattDescriptor descriptor = characteristic.getDescriptor(UUID
.fromString(CLIENT_CHARACTERISTIC_CONFIG));
if (descriptor != null) {
descriptor.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE);
mBluetoothGatt.writeDescriptor(descriptor);
}
}
/**
* Retrieves a list of supported GATT services on the connected device. This
* should be invoked only after {@code BluetoothGatt#discoverServices()}
* completes successfully.
*
* @return A {@code List} of supported services.
*/
public List<BluetoothGattService> getSupportedGattServices() {
if (mBluetoothGatt == null)
return null;
return mBluetoothGatt.getServices();
}
/**
* Read the RSSI for a connected remote device.
* */
public boolean getRssiVal() {
if (mBluetoothGatt == null)
return false;
return mBluetoothGatt.readRemoteRssi();
}
// Bluetooth PKE scan device callback function by Zhangkun on 2018-11-26
private final BluetoothAdapter.LeScanCallback mLeScanCallback = new BluetoothAdapter.LeScanCallback() {
@Override
public void onLeScan(final BluetoothDevice device, final int rssi, final byte[] scanRecord) {
Log.e("LeScanCallback-onLeScan", " "+device.toString()+ "rssi:"+rssi);
if(device.toString().contains(PkeMacAddr))
{
// Log.e("LeScanCallback-onLeScan", " "+device.toString()+ rssi + "uuids "+ device.getUuids().toString());
if(rssi > -90)
{
Log.e(" pke onLeScan","rssi > 90");
PkeRssiQualified++;
PkeDevice = device;
}
/*
runOnUiThread(new Runnable() {
@Override
public void run() {
updateItemCount(rssi);
}
}); */
}
}
};
//update rssi TextView by ZhangKun 2018-11-26
private void updateItemCount(final int count) {
/*
mTvRssiShow.setText(
getString(
R.string.formatter_db,
String.valueOf(count)));
*/
}
public void ReadPkeStatus()
{
//
pkeUserSettings = getSharedPreferences("PkeSetting", 0);
PkeMacAddr = pkeUserSettings.getString("MacAddr",null);
Log.e("ReadPkeStatus", "pkeUserSettings... addr="+ PkeMacAddr);
if(PkeMacAddr != null)
{
boolean pkeSwitch = pkeUserSettings.getBoolean("pkeSwitch", false);
Log.e("ReadPkeStatus", "pkeSwitch "+ pkeSwitch);
if(pkeSwitch == true)
{
//auto open door of car
//1. start scan bluetooth
mBluetoothAdapter.startLeScan(mLeScanCallback);
mScanning = true;
//2. check rssi > -90 then stop bluetooth scan,and try connect
timerPke.schedule(timerTaskPke,200,1000);//延時1s，每隔500毫秒執行一次run方法
Log.e("ReadPkeStatus", "Start scan...");
boolean pkeUnlock = pkeUserSettings.getBoolean("pkeUnlock", false);
boolean pkeLock = pkeUserSettings.getBoolean("pkeLock", false);
}
}
}
public static final String bytesToHexString(byte[] bArray) {
StringBuffer sb = new StringBuffer(bArray.length);
String sTemp;
for (int i = 0; i < bArray.length; i++) {
sTemp = Integer.toHexString(0xFF & bArray[i]);
if (sTemp.length() < 2)
sb.append(0);
sb.append(sTemp.toUpperCase());
}
return sb.toString();
}
private void enableNotification(boolean enable, BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
if (gatt == null || characteristic == null)
return; //這一步必須要有 否則收不到通知 gatt.setCharacteristicNotification(characteristic, enable); BluetoothGattDescriptor clientConfig = characteristic.getDescriptor(UUIDUtils.CCC); if (enable) { clientConfig.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE); } else { clientConfig.setValue(BluetoothGattDescriptor.DISABLE_NOTIFICATION_VALUE); } //準備數據 BleWriteData bData = new BleWriteData(); bData.write_type = BleWriteData.DESCRIP_WRITE;//數據種類 bData.object = clientConfig; //將數據加入隊列 mWriteQueue.add(bData); }
//這一步必須要有 否則收不到通知 gatt.setCharacteristicNotification(characteristic, enable); BluetoothGattDescriptor clientConfig = characteristic.getDescriptor(UUIDUtils.CCC); if (enable) { clientConfig.setValue(BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE); } else { clientConfig.setValue(BluetoothGattDescriptor.DISABLE_NOTIFICATION_VALUE); } //準備數據 BleWriteData bData = new BleWriteData(); bData.write_type = BleWriteData.DESCRIP_WRITE;//數據種類 bData.object = clientConfig; //將數據加入隊列 mWriteQueue.add(bData);
gatt.setCharacteristicNotification(characteristic, enable);
}
/**
* 向藍牙發送數據
*/
public void dataSend(){
alertLevel_pke.setValue(getCmd80_new((byte)0x00));
boolean status = mBluetoothGatt.writeCharacteristic(alertLevel_pke);
try{
Thread.sleep(200);
}catch (Exception e){}
alertLevel_pke.setValue("xxxxxx");
mBluetoothGatt.writeCharacteristic(alertLevel_pke);
Log.e("dataSend", status+"");
}
Timer timerPke = new Timer();
TimerTask timerTaskPke = new TimerTask() {
@Override
public void run() {
Message message = new Message();
message.what = 1;
handlerPke.sendMessage(message);
}
};
Handler handlerPke = new Handler() {
@Override
public void handleMessage(Message msg) {
if (msg.what == 1){
//do something
if(mScanning)
{
//the status is Scanning,check rssi > 90
//signal over 3 times
if(PkeRssiQualified > 3)
{
//Stop Scan and Connect PKE
mScanning = false;
mBluetoothAdapter.stopLeScan(mLeScanCallback);
connect(PkeMacAddr, PkeDevice);
}
}else
{
if(mConnectionState == STATE_CONNECTED)
{
dataSend();
}else
{
if(!mScanning)
{
mBluetoothAdapter.startLeScan(mLeScanCallback); //start scan
PkeRssiQualified = 0;
}
}
}
Log.e("readCharacteristic", "handleMessage");
}
super.handleMessage(msg);
}
};
}
調用部分：
Intent gattServiceIntentPke = new Intent(this, PkeService.class);
boolean bll = bindService(gattServiceIntentPke, mServiceConnectionPkeService,
BIND_AUTO_CREATE);
if (bll) {
System.out.println("---------------");
} else {
System.out.println("===============");
}
private final ServiceConnection mServiceConnectionPkeService = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName componentName,
IBinder service) {
mPkeService = ((PkeService.LocalBinder) service).getService();
if (!mPkeService.initialize()) {
Log.e(TAG, "Unable to initialize Bluetooth");
finish();
}
// Automatically connects to the device upon successful start-up
// initialization.
//mBluetoothLeService.connect(mDeviceAddress);
}
@Override
public void onServiceDisconnected(ComponentName componentName) {
mPkeService.closePke();
mPkeService = null;
}
};
設備掃描並將藍牙Mac地址存儲到本地，
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="xxxxxx.BindBluethothDevice2">
<android.support.constraint.ConstraintLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".BindBluetoothDevice">
<LinearLayout
android:id="@+id/BigLine"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@mipmap/bluebackground"
android:orientation="vertical"
app:layout_constraintBottom_toBottomOf="parent">
<LinearLayout
android:id="@+id/firstLineLayout"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="top"
android:orientation="horizontal">
<ImageView
android:id="@+id/imageViewBcak"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:background="@mipmap/title_back" />
<TextView
android:id="@+id/textView45"
android:layout_width="wrap_content"
android:layout_height="44dp"
android:layout_weight="1"
android:text="藍牙硬件設備號"
android:textColor="@color/white"
tools:layout_width="wrap_content" />
<TextView
android:id="@+id/mtvCommit"
android:layout_width="wrap_content"
android:layout_height="44dp"
android:layout_weight="1"
android:text="提交"
android:textColor="@color/white" />
</LinearLayout>
<LinearLayout
android:id="@+id/secondLine"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:orientation="vertical"
android:visibility="visible">
<LinearLayout
android:id="@+id/second2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:visibility="visible">
<TextView
android:id="@+id/textView85"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:text="藍牙硬件號"
android:textColor="@color/white"
android:visibility="visible" />
<EditText
android:id="@+id/editTextUUID"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:ems="10"
android:inputType="textPersonName"
android:text="Name"
android:textColor="@color/white"
tools:text="請手輸或掃碼輸入硬件設備號" />
<ImageView
android:id="@+id/imageViewScan"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
app:srcCompat="@android:drawable/btn_star" />
</LinearLayout>
</LinearLayout>
<LinearLayout
android:id="@+id/infoContainer"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:orientation="vertical">
<View
android:id="@+id/lowersep"
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#000000" />
<TextView
android:id="@+id/tvItemCount"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="formatter_item_count"
android:textColor="@color/color2" />
</LinearLayout>
<LinearLayout
android:id="@+id/listContainer"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_above="@id/infoContainer"
android:layout_alignParentTop="true"
android:orientation="vertical">
<ListView
android:id="@+id/bluetoothListView"
android:layout_width="match_parent"
android:layout_height="match_parent" />
</LinearLayout>
</LinearLayout>
</android.support.constraint.ConstraintLayout>
</android.support.constraint.ConstraintLayout>
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothManager;
import android.content.Intent;
import android.content.SharedPreferences;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.EditText;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.TextView;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
public class BindBluethothDevice2 extends AppCompatActivity implements AdapterView.OnItemClickListener {
//打開Preferences，名稱爲setting，如果存在則打開它，否則創建新的Preferences
public SharedPreferences pkeUserSettings = null;
@BindView(R.id.tvItemCount)
protected TextView mTvItemCount;
@BindView(R.id.mtvCommit)
public TextView tvCommit;
@BindView(R.id.editTextUUID)
public EditText editInput;
@BindView(R.id.bluetoothListView)
public ListView mlstView;
private final static String TAG = BindBluethothDevice2.class.getSimpleName();
private BluetoothManager mBluetoothManager;
private BluetoothAdapter mBluetoothAdapter;
private String mBluetoothDeviceAddress;
public final static int REQUEST_ENABLE_BT = 2001;
List<HashMap<String,String>> data = new ArrayList<>();
SimpleAdapter simpleAdapter;
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Log.e("onItemClick", data.get(position).get("text1") +" "+ data.get(position).get("text2"));
mBluetoothDeviceAddress = data.get(position).get("text2");
editInput.setText(mBluetoothDeviceAddress);
}
// Bluetooth PKE scan device callback function by Zhangkun on 2018-12-3
private final BluetoothAdapter.LeScanCallback mLeScanCallback = new BluetoothAdapter.LeScanCallback() {
@Override
public void onLeScan(final BluetoothDevice device, final int rssi, final byte[] scanRecord) {
// Log.e("LeScanCallback-onLeScan", " "+device.toString()+ "rssi:"+rssi);
runOnUiThread(new Runnable() {
@Override
public void run() {
updateItemCount(rssi);
HashMap<String,String> map = new HashMap<>();
map.put("text1", device.getName());
map.put("text2", device.getAddress());
if(data.contains(map))
{
for(HashMap mhash : data)
{
if(mhash.equals(map))
{
//
}
}
}else
{
if(device.getName().isEmpty() || device.getAddress().isEmpty())
{
//do nothing
}else
{
data.add(map);
}
}
}
});
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_bind_bluethoth_device2);
ButterKnife.bind(this);
pkeUserSettings = getSharedPreferences("PkeSetting", 0);
mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();
//判斷是否支持藍牙
if (mBluetoothAdapter == null) {
//不支持
// Toast.makeText(this, R.string.error_bluetooth_not_supported, Toast.LENGTH_SHORT).show();
finish();
return;
}else
{
//打開藍牙
if (!mBluetoothAdapter.isEnabled()) {//判斷是否已經打開
Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
}
}
simpleAdapter = new SimpleAdapter(BindBluethothDevice2.this,
data,
android.R.layout.simple_list_item_2, new String[]{"text1","text2"},
new int[]{android.R.id.text1,android.R.id.text2});
mlstView.setAdapter(simpleAdapter);
mlstView.setOnItemClickListener(this);
}
//update rssi TextView by ZhangKun 2018-11-26
private void updateItemCount(final int count) {
mTvItemCount.setText(
getString(
R.string.formatter_db,
String.valueOf(count)));
}
@Override
protected void onResume()
{
super.onResume();
mBluetoothAdapter.startLeScan(mLeScanCallback);
Log.e(TAG, "onResume+ startLeScan");
}
@Override
protected void onPause() {
super.onPause();
mBluetoothAdapter.stopLeScan(mLeScanCallback);
}
@OnClick({R.id.infoContainer,R.id.tvItemCount, R.id.listContainer,
R.id.imageViewBcak, R.id.mtvCommit})
public void OnClick(View v)
{
switch (v.getId())
{
case R.id.imageViewBcak:
this.finish();
break;
case R.id.mtvCommit:
SharedPreferences.Editor editor = pkeUserSettings.edit();
Log.e("PkeMacAddr", editInput.getText().toString());
editor.putString("MacAddr", editInput.getText().toString());
editor.commit();
Toast.makeText(getApplicationContext(),"commit...",Toast.LENGTH_SHORT).show();
try{Thread.sleep(500);}catch (Exception e){}
this.finish();
default:
break;
}
}
}