安卓基于连接蓝牙4.0设备demo_安卓连接蓝牙4.0资源-CSDN文库

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java：19个

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【安卓基于连接蓝牙4.0设备demo】在安卓系统中，蓝牙4.0（也称为Bluetooth Low Energy，BLE）是一种低功耗、高效能的无线通信技术，特别适合于物联网(IoT)设备间的短距离通信。这个"安卓基于连接蓝牙4.0设备demo"是一个示例应用，用于演示如何在Android平台上实现对蓝牙4.0设备的连接和数据交换。我们需要了解Android系统的蓝牙API。在Android 4.3 (API Level 18)及以上版本，谷歌引入了对蓝牙低功耗(BLE)的支持，主要通过`BluetoothManager`，`BluetoothAdapter`，`BluetoothDevice`，`BluetoothGatt`和`BluetoothGattCallback`等类来操作。这些类提供了扫描蓝牙设备、连接、读写特征值以及接收通知等功能。 1. **初始化蓝牙**：应用通常会先检查设备是否支持蓝牙和BLE，并获取`BluetoothManager`实例。然后，通过`getAdapter()`方法获取`BluetoothAdapter`，这是处理蓝牙连接的核心对象。 2. **扫描蓝牙设备**：使用`BluetoothAdapter.startLeScan(BluetoothLeScanner.Callback)`来启动BLE设备的扫描。`Callback`会在找到新的BLE设备时触发回调。 3. **连接蓝牙设备**：在扫描到目标设备后，通过`BluetoothDevice.connectGatt(Context, boolean, BluetoothGattCallback)`建立连接。`BluetoothGattCallback`是连接状态变化和数据传输的回调接口。 4. **发现服务**：连接成功后，调用`BluetoothGatt.discoverServices()`来查找设备提供的GATT服务。 5. **读写特征值**：GATT服务由多个特征值(BluetoothGattCharacteristic)组成，这些特征值可以被读取、写入或订阅。使用`BluetoothGatt.readCharacteristic(BluetoothGattCharacteristic)`进行读操作，`BluetoothGatt.writeCharacteristic(BluetoothGattCharacteristic)`进行写操作。 6. **接收通知**：为了实时接收设备发送的数据，可以订阅特征值。通过调用`BluetoothGatt.setCharacteristicNotification(BluetoothGattCharacteristic, boolean)`并设置为`true`，然后根据需求配置服务器的描述符。 7. **断开连接和清理资源**：当不再需要与设备通信时，使用`BluetoothGatt.disconnect()`断开连接，再调用`BluetoothGatt.close()`关闭连接，释放资源。在实际的`beldemo`项目中，开发者可能会实现一个用户界面，展示可用的蓝牙设备列表，允许用户选择设备并进行连接。此外，UI也会显示连接状态、设备信息和服务/特征的详情。开发过程中，调试是非常关键的，因为蓝牙连接可能受到许多因素的影响，如设备兼容性、信号强度、权限设置等。这个"安卓基于连接蓝牙4.0设备demo"是学习和实践Android BLE通信的宝贵资源。通过深入理解并应用上述步骤，开发者可以创建自己的蓝牙应用，与各种BLE设备进行交互，实现物联网场景中的数据传输和控制功能。

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安卓基于连接蓝牙4.0设备demo （197个子文件）

gradlew.bat 2KB

fileSnapshots.bin 1.61MB

fileHashes.bin 349KB

taskArtifacts.bin 72KB

localClassSetAnalysis.bin 60KB

localJarClasspathSnapshot.bin 20KB

last-build.bin 1B

.gitignore 127B

.gitignore 50B

.gitignore 8B

build.gradle 1KB

build.gradle 609B

settings.gradle 16B

gradlew 5KB

app.iml 11KB

ble.app.iml 7KB

ble.iml 1020B

LeConiot.iml 862B

gradle-wrapper.jar 52KB

GattAttributeResolver.java 26KB

BleManager.java 25KB

BleSendMsgActivity.java 14KB

HexUtil.java 8KB

SimpleExpandableListAdapter.java 5KB

BleActivity.java 5KB

MsgAdapter.java 2KB

BleAdapter.java 2KB

MainActivity.java 2KB

LeConiotBleDeviceStore.java 2KB

CallBack.java 2KB

BleException.java 1KB

ConnectException.java 1KB

GattException.java 676B

LeConiotBleDevice.java 612B

BleMsg.java 597B

BleReceiver.java 426B

ExampleUnitTest.java 405B

OtherException.java 241B

taskArtifacts.lock 17B

localJarClasspathSnapshot.lock 17B

checksums.lock 17B

localClassSetAnalysis.lock 17B

fileHashes.lock 17B

buildOutputCleanup.lock 17B

leconiot_while.png 20KB

ic_launcher_round.png 14KB

ic_launcher.png 10KB

ic_launcher_round.png 10KB

leconiot.png 8KB

ic_launcher.png 8KB

leconio.png 7KB

leconiot.png 7KB

leconiot.png 6KB

ic_launcher_round.png 6KB

leconiot_back.png 5KB

leconiot_backgr.png 5KB

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ic_launcher.png 3KB

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ic_launcher.png 2KB

proguard-rules.pro 969B

gradle.properties 747B

local.properties 368B

gradle-wrapper.properties 236B

cache.properties 51B

gc.properties 0B

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package com.app.com.Ble.mode; import java.util.HashMap; import java.util.Locale; import java.util.Map; public class GattAttributeResolver { public static final String BASE_GUID = "00000000-0000-1000-8000-00805f9b34fb"; public static final String SERVICE_DISCOVERY_PROTOCOL_SDP = "00000001-0000-1000-8000-00805f9b34fb"; public static final String USER_DATAGRAM_PROTOCOL_UDP = "00000002-0000-1000-8000-00805f9b34fb"; public static final String RADIO_FREQUENCY_COMMUNICATION_PROTOCOL_RFCOMM = "00000003-0000-1000-8000-00805f9b34fb"; public static final String TCP = "00000004-0000-1000-8000-00805f9b34fb"; public static final String TCSBIN = "00000005-0000-1000-8000-00805f9b34fb"; public static final String TCSAT = "00000006-0000-1000-8000-00805f9b34fb"; public static final String OBJECT_EXCHANGE_PROTOCOL_OBEX = "00000008-0000-1000-8000-00805f9b34fb"; public static final String IP = "00000009-0000-1000-8000-00805f9b34fb"; public static final String FTP = "0000000a-0000-1000-8000-00805f9b34fb"; public static final String HTTP = "0000000c-0000-1000-8000-00805f9b34fb"; public static final String WSP = "0000000e-0000-1000-8000-00805f9b34fb"; public static final String BNEP_SVC = "0000000f-0000-1000-8000-00805f9b34fb"; public static final String UPNP_PROTOCOL = "00000010-0000-1000-8000-00805f9b34fb"; public static final String HIDP = "00000011-0000-1000-8000-00805f9b34fb"; public static final String HARDCOPY_CONTROL_CHANNEL_PROTOCOL = "00000012-0000-1000-8000-00805f9b34fb"; public static final String HARDCOPY_DATA_CHANNEL_PROTOCOL = "00000014-0000-1000-8000-00805f9b34fb"; public static final String HARDCOPY_NOTIFICATION_PROTOCOL = "00000016-0000-1000-8000-00805f9b34fb"; public static final String VCTP_PROTOCOL = "00000017-0000-1000-8000-00805f9b34fb"; public static final String VDTP_PROTOCOL = "00000019-0000-1000-8000-00805f9b34fb"; public static final String CMPT_PROTOCOL = "0000001b-0000-1000-8000-00805f9b34fb"; public static final String UDI_C_PLANE_PROTOCOL = "0000001d-0000-1000-8000-00805f9b34fb"; public static final String MCAP_CONTROL_CHANNEL = "0000001e-0000-1000-8000-00805f9b34fb"; public static final String MCAP_DATA_CHANNEL = "0000001f-0000-1000-8000-00805f9b34fb"; public static final String L2CAP = "00000100-0000-1000-8000-00805f9b34fb"; public static final String SERVICE_DISCOVERY_SERVER = "00001000-0000-1000-8000-00805f9b34fb"; public static final String BROWSE_GROUP_DESCRIPTOR = "00001001-0000-1000-8000-00805f9b34fb"; public static final String PUBLIC_BROWSE_GROUP = "00001002-0000-1000-8000-00805f9b34fb"; public static final String SPP = "00001101-0000-1000-8000-00805f9b34fb"; public static final String LAN_ACCESS_USING_PPP = "00001102-0000-1000-8000-00805f9b34fb"; public static final String DUN_GW = "00001103-0000-1000-8000-00805f9b34fb"; public static final String OBEX_SYNC = "00001104-0000-1000-8000-00805f9b34fb"; public static final String OBEX_OBJECT_PUSH = "00001105-0000-1000-8000-00805f9b34fb"; public static final String OBEX_FILE_TRANSFER = "00001106-0000-1000-8000-00805f9b34fb"; public static final String IRMC_SYNC_COMMAND = "00001107-0000-1000-8000-00805f9b34fb"; public static final String HSP_HS = "00001108-0000-1000-8000-00805f9b34fb"; public static final String CORDLESS_TELEPHONY = "00001109-0000-1000-8000-00805f9b34fb"; public static final String AUDIO_SOURCE = "0000110a-0000-1000-8000-00805f9b34fb"; public static final String AUDIO_SINK = "0000110b-0000-1000-8000-00805f9b34fb"; public static final String AV_REMOTE_CONTROL_TARGET = "0000110c-0000-1000-8000-00805f9b34fb"; public static final String ADVANCED_AUDIO = "0000110d-0000-1000-8000-00805f9b34fb"; public static final String AVRCP_REMOTE = "0000110e-0000-1000-8000-00805f9b34fb"; public static final String VIDEO_CONFERENCING = "0000110f-0000-1000-8000-00805f9b34fb"; public static final String INTERCOM = "00001110-0000-1000-8000-00805f9b34fb"; public static final String FAX = "00001111-0000-1000-8000-00805f9b34fb"; public static final String HEADSET_PROFILE_HSP_AUDIO_GATEWAY = "00001112-0000-1000-8000-00805f9b34fb"; public static final String WAP = "00001113-0000-1000-8000-00805f9b34fb"; public static final String WAP_CLIENT = "00001114-0000-1000-8000-00805f9b34fb"; public static final String PANU = "00001115-0000-1000-8000-00805f9b34fb"; public static final String NAP = "00001116-0000-1000-8000-00805f9b34fb"; public static final String GN = "00001117-0000-1000-8000-00805f9b34fb"; public static final String DIRECT_PRINTING = "00001118-0000-1000-8000-00805f9b34fb"; public static final String REFERENCE_PRINTING = "00001119-0000-1000-8000-00805f9b34fb"; public static final String IMAGING = "0000111a-0000-1000-8000-00805f9b34fb"; public static final String IMAGING_RESPONDER = "0000111b-0000-1000-8000-00805f9b34fb"; public static final String IMAGING_AUTOMATIC_ARCHIVE = "0000111c-0000-1000-8000-00805f9b34fb"; public static final String IMAGING_REFERENCE_OBJECTS = "0000111d-0000-1000-8000-00805f9b34fb"; public static final String HANDS_FREE_PROFILE_HFP = "0000111e-0000-1000-8000-00805f9b34fb"; public static final String HANDS_FREE_PROFILE_HFP_AUDIO_GATEWAY = "0000111f-0000-1000-8000-00805f9b34fb"; public static final String DIRECT_PRINTING_REFERENCE_OBJECTS = "00001120-0000-1000-8000-00805f9b34fb"; public static final String REFLECTED_UI = "00001121-0000-1000-8000-00805f9b34fb"; public static final String BASIC_PRINTING = "00001122-0000-1000-8000-00805f9b34fb"; public static final String PRINTING_STATUS = "00001123-0000-1000-8000-00805f9b34fb"; public static final String HID = "00001124-0000-1000-8000-00805f9b34fb"; public static final String HARDCOPY_CABLE_REPLACEMENT = "00001125-0000-1000-8000-00805f9b34fb"; public static final String HCR_PRINT = "00001126-0000-1000-8000-00805f9b34fb"; public static final String HCR_SCAN = "00001127-0000-1000-8000-00805f9b34fb"; public static final String COMMON_ISDN_ACCESS = "00001128-0000-1000-8000-00805f9b34fb"; public static final String VIDEO_CONFERENCING_GATEWAY = "00001129-0000-1000-8000-00805f9b34fb"; public static final String UDIMT = "0000112a-0000-1000-8000-00805f9b34fb"; public static final String UDITA = "0000112b-0000-1000-8000-00805f9b34fb"; public static final String AUDIO_VIDEO = "0000112c-0000-1000-8000-00805f9b34fb"; public static final String SIM_ACCESS = "0000112d-0000-1000-8000-00805f9b34fb"; public static final String OBEX_PCE = "0000112e-0000-1000-8000-00805f9b34fb"; public static final String OBEX_PSE = "0000112f-0000-1000-8000-00805f9b34fb"; public static final String OBEX_PBAP = "00001130-0000-1000-8000-00805f9b34fb"; public static final String OBEX_MAS = "00001132-0000-1000-8000-00805f9b34fb"; public static final String OBEX_MNS = "00001133-0000-1000-8000-00805f9b34fb"; public static final String OBEX_MAP = "00001134-0000-1000-8000-00805f9b34fb"; public static final String PNP = "00001200-0000-1000-8000-00805f9b34fb"; public static final String GENERIC_NETWORKING = "00001201-0000-1000-8000-00805f9b34fb"; public static final String GENERIC_FILE_TRANSFER = "00001202-0000-1000-8000-00805f9b34fb"; public static final String GENERIC_AUDIO = "00001203-0000-1000-8000-00805f9b34fb"; public static final String GENERIC_TELEPHONY = "00001204-0000-1000-8000-00805f9b34fb"; public static final String UPNP = "00001205-0000-1000-8000-00805f9b34fb"; public static final String UPNP_IP = "00001206-0000-1000-8000-00805f9b34fb"; public static final String ESDP_UPNP_IP_PAN = "00001300-0000-1000-8000-00805f9b34fb"; public static final String ESDP_UPNP_IP_LAP = "00001301-0000-1000-8000-00805f9b34fb"; public static final String ESDP_UPNP_L2CAP = "00001302-0000-1000-8000-00805f9b34fb"; public sta