新增 蓝牙扫描
parent
088fc98ae2
commit
49dc0c35a2
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package com.rehome.dywoa.bleUtil;
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import android.Manifest;
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import android.app.Service;
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import android.bluetooth.BluetoothAdapter;
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import android.bluetooth.BluetoothDevice;
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import android.bluetooth.BluetoothGatt;
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import android.bluetooth.BluetoothGattCallback;
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import android.bluetooth.BluetoothGattCharacteristic;
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import android.bluetooth.BluetoothGattService;
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import android.bluetooth.BluetoothManager;
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import android.bluetooth.BluetoothProfile;
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import android.content.Context;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.os.Binder;
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import android.os.IBinder;
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import android.util.Log;
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import androidx.core.app.ActivityCompat;
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import androidx.localbroadcastmanager.content.LocalBroadcastManager;
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import java.util.List;
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import java.util.UUID;
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public class BluetoothLeService extends Service {
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private final static String TAG = BluetoothLeService.class.getSimpleName();
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private BluetoothManager mBluetoothManager;
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private BluetoothAdapter mBluetoothAdapter;
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private String mBluetoothDeviceAddress;
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private BluetoothGatt mBluetoothGatt;
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private int mConnectionState = STATE_DISCONNECTED;
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private static final int STATE_DISCONNECTED = 0;
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private static final int STATE_CONNECTING = 1;
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private static final int STATE_CONNECTED = 2;
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public final static String ACTION_GATT_CONNECTED =
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"com.example.bluetooth.le.ACTION_GATT_CONNECTED";
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public final static String ACTION_GATT_DISCONNECTED =
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"com.example.bluetooth.le.ACTION_GATT_DISCONNECTED";
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public final static String ACTION_GATT_SERVICES_DISCOVERED =
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"com.example.bluetooth.le.ACTION_GATT_SERVICES_DISCOVERED";
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public final static String ACTION_DATA_AVAILABLE =
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"com.example.bluetooth.le.ACTION_DATA_AVAILABLE";
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public final static String EXTRA_DATA =
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"com.example.bluetooth.le.EXTRA_DATA";
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// Implements callback methods for GATT events that the app cares about. For example,
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// connection change and services discovered.
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private final BluetoothGattCallback mGattCallback = new BluetoothGattCallback() {
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@Override
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public void onConnectionStateChange(BluetoothGatt gatt, int status, int newState) {
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String intentAction;
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if (newState == BluetoothProfile.STATE_CONNECTED) {
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intentAction = ACTION_GATT_CONNECTED;
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mConnectionState = STATE_CONNECTED;
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broadcastUpdate(intentAction);
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Log.i(TAG, "Connected to GATT server.");
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// Attempts to discover services after successful connection.
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if (ActivityCompat.checkSelfPermission(BluetoothLeService.this, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
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// TODO: Consider calling
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// ActivityCompat#requestPermissions
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// here to request the missing permissions, and then overriding
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// public void onRequestPermissionsResult(int requestCode, String[] permissions,
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// int[] grantResults)
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// to handle the case where the user grants the permission. See the documentation
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// for ActivityCompat#requestPermissions for more details.
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return;
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}
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Log.i(TAG, "Attempting to start service discovery:" +
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mBluetoothGatt.discoverServices());
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} else if (newState == BluetoothProfile.STATE_DISCONNECTED) {
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intentAction = ACTION_GATT_DISCONNECTED;
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mConnectionState = STATE_DISCONNECTED;
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Log.i(TAG, "Disconnected from GATT server.");
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broadcastUpdate(intentAction);
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}
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}
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@Override
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public void onServicesDiscovered(BluetoothGatt gatt, int status) {
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if (status == BluetoothGatt.GATT_SUCCESS) {
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broadcastUpdate(ACTION_GATT_SERVICES_DISCOVERED);
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////tsp默认选择一个地址
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BluetoothGattCharacteristic characteristic1=
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gatt.getService(UUID.fromString("0000ffe0-0000-1000-8000-00805f9b34fb")).getCharacteristic(UUID.fromString("0000ffe4-0000-1000-8000-00805f9b34fb"));
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setCharacteristicNotification(characteristic1,true);
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} else {
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Log.w(TAG, "onServicesDiscovered received: " + status);
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}
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}
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@Override
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public void onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
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if (status == BluetoothGatt.GATT_SUCCESS) {
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broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
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}
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}
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@Override
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public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
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broadcastUpdate(ACTION_DATA_AVAILABLE, characteristic);
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}
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@Override
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public void onCharacteristicWrite (BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status){
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}
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};
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private void broadcastUpdate(final String action) {
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final Intent intent = new Intent(action);
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LocalBroadcastManager.getInstance(BluetoothLeService.this).sendBroadcast(intent);
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}
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//收到数据后，触发广播
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private void broadcastUpdate(final String action, final BluetoothGattCharacteristic characteristic) {
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final Intent intent = new Intent(action);
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// For all other profiles, writes the data formatted in HEX.
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final byte[] data = characteristic.getValue();
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if (data != null && data.length > 0) {
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final StringBuilder stringBuilder = new StringBuilder(data.length);
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for(byte byteChar : data)
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stringBuilder.append(String.format("%02X ", byteChar));
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intent.putExtra(EXTRA_DATA, new String(data) + "\n" + stringBuilder.toString());
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}
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LocalBroadcastManager.getInstance(BluetoothLeService.this).sendBroadcast(intent);
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}
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public class LocalBinder extends Binder {
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public BluetoothLeService getService() {
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return BluetoothLeService.this;
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}
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}
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@Override
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public IBinder onBind(Intent intent) {
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return mBinder;
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}
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@Override
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public boolean onUnbind(Intent intent) {
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// After using a given device, you should make sure that BluetoothGatt.close() is called
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// such that resources are cleaned up properly. In this particular example, close() is
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// invoked when the UI is disconnected from the Service.
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// close();
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return super.onUnbind(intent);
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}
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private final IBinder mBinder = new LocalBinder();
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/**
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* Initializes a reference to the local Bluetooth adapter.
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*
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* @return Return true if the initialization is successful.
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*/
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public boolean initialize() {
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// For API level 18 and above, get a reference to BluetoothAdapter through
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// BluetoothManager.
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if (mBluetoothManager == null) {
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mBluetoothManager = (BluetoothManager) getSystemService(Context.BLUETOOTH_SERVICE);
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if (mBluetoothManager == null) {
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Log.e(TAG, "Unable to initialize BluetoothManager.");
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return false;
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}
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}
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mBluetoothAdapter = mBluetoothManager.getAdapter();
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if (mBluetoothAdapter == null) {
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Log.e(TAG, "Unable to obtain a BluetoothAdapter.");
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return false;
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}
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return true;
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}
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/**
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* Connects to the GATT server hosted on the Bluetooth LE device.
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*
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* @param address The device address of the destination device.
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*
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* @return Return true if the connection is initiated successfully. The connection result
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* is reported asynchronously through the
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* {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
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* callback.
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*/
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public boolean connect(final String address) {//连接设备
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if (mBluetoothAdapter == null || address == null) {
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Log.w(TAG, "BluetoothAdapter not initialized or unspecified address.");
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return false;
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}
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// Previously connected device. Try to reconnect.
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if (mBluetoothDeviceAddress != null && address.equals(mBluetoothDeviceAddress)&& mBluetoothGatt != null) {
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Log.d(TAG, "Trying to use an existing mBluetoothGatt for connection.");
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if (ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
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// TODO: Consider calling
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// ActivityCompat#requestPermissions
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// here to request the missing permissions, and then overriding
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// public void onRequestPermissionsResult(int requestCode, String[] permissions,
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// int[] grantResults)
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// to handle the case where the user grants the permission. See the documentation
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// for ActivityCompat#requestPermissions for more details.
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return false;
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}
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if (mBluetoothGatt.connect()) {
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mConnectionState = STATE_CONNECTING;
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return true;
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} else {
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return false;
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}
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}
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final BluetoothDevice device = mBluetoothAdapter.getRemoteDevice(address);
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if (device == null) {
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Log.w(TAG, "Device not found. Unable to connect.");
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return false;
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}
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// We want to directly connect to the device, so we are setting the autoConnect
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// parameter to false.
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mBluetoothGatt = device.connectGatt(this, false, mGattCallback);
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Log.d(TAG, "Trying to create a new connection.");
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mBluetoothDeviceAddress = address;
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mConnectionState = STATE_CONNECTING;
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return true;
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}
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/**
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* Disconnects an existing connection or cancel a pending connection. The disconnection result
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* is reported asynchronously through the
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* {@code BluetoothGattCallback#onConnectionStateChange(android.bluetooth.BluetoothGatt, int, int)}
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* callback.
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*/
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public void disconnect() {
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if (mBluetoothAdapter == null || mBluetoothGatt == null) {
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Log.w(TAG, "BluetoothAdapter not initialized");
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return;
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}
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if (ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
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// TODO: Consider calling
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// ActivityCompat#requestPermissions
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// here to request the missing permissions, and then overriding
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// public void onRequestPermissionsResult(int requestCode, String[] permissions,
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// int[] grantResults)
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// to handle the case where the user grants the permission. See the documentation
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// for ActivityCompat#requestPermissions for more details.
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return;
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}
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mBluetoothGatt.disconnect();
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}
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/**
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* After using a given BLE device, the app must call this method to ensure resources are
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* released properly.
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*/
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public void close() {
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if (mBluetoothGatt == null) {
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return;
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}
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if (ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
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// TODO: Consider calling
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// ActivityCompat#requestPermissions
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// here to request the missing permissions, and then overriding
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// public void onRequestPermissionsResult(int requestCode, String[] permissions,
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// int[] grantResults)
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// to handle the case where the user grants the permission. See the documentation
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// for ActivityCompat#requestPermissions for more details.
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return;
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}
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mBluetoothGatt.close();
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mBluetoothGatt = null;
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}
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/**
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* Request a read on a given {@code BluetoothGattCharacteristic}. The read result is reported
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* asynchronously through the {@code BluetoothGattCallback#onCharacteristicRead(android.bluetooth.BluetoothGatt, android.bluetooth.BluetoothGattCharacteristic, int)}
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* callback.
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*
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* @param characteristic The characteristic to read from.
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*/
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public void readCharacteristic(BluetoothGattCharacteristic characteristic) {
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if (mBluetoothAdapter == null || mBluetoothGatt == null) {
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Log.w(TAG, "BluetoothAdapter not initialized");
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return;
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}
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if (ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
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// TODO: Consider calling
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// ActivityCompat#requestPermissions
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// here to request the missing permissions, and then overriding
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// public void onRequestPermissionsResult(int requestCode, String[] permissions,
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// int[] grantResults)
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// to handle the case where the user grants the permission. See the documentation
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// for ActivityCompat#requestPermissions for more details.
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return;
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}
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mBluetoothGatt.readCharacteristic(characteristic);
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}
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public void writeCharacteristic(BluetoothGattCharacteristic characteristic) {
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if (mBluetoothAdapter == null || mBluetoothGatt == null) {
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Log.w(TAG, "BluetoothAdapter not initialized");
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return;
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}
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if (ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
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// TODO: Consider calling
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// ActivityCompat#requestPermissions
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// here to request the missing permissions, and then overriding
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// public void onRequestPermissionsResult(int requestCode, String[] permissions,
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// int[] grantResults)
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// to handle the case where the user grants the permission. See the documentation
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// for ActivityCompat#requestPermissions for more details.
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return;
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}
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mBluetoothGatt.writeCharacteristic(characteristic);
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}
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/**
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* Enables or disables notification on a give characteristic.
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*
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* @param characteristic Characteristic to act on.
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* @param enabled If true, enable notification. False otherwise.
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*/
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//选择地址
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public void setCharacteristicNotification(BluetoothGattCharacteristic characteristic, boolean enabled) {
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if (mBluetoothAdapter == null || mBluetoothGatt == null) {
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Log.w(TAG, "BluetoothAdapter not initialized");
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return;
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}
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if (ActivityCompat.checkSelfPermission(this, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
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// TODO: Consider calling
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// ActivityCompat#requestPermissions
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// here to request the missing permissions, and then overriding
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// public void onRequestPermissionsResult(int requestCode, String[] permissions,
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// int[] grantResults)
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// to handle the case where the user grants the permission. See the documentation
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// for ActivityCompat#requestPermissions for more details.
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return;
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}
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mBluetoothGatt.setCharacteristicNotification(characteristic, enabled);
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}
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public List<BluetoothGattService> getSupportedGattServices() {
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if (mBluetoothGatt == null) return null;
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return mBluetoothGatt.getServices();
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}
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}
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@ -0,0 +1,110 @@
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package com.rehome.dywoa.bleUtil;
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import android.Manifest;
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import android.app.Activity;
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import android.bluetooth.BluetoothDevice;
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import android.content.Context;
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import android.content.pm.PackageManager;
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import android.graphics.Color;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.BaseAdapter;
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import android.widget.TextView;
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import androidx.core.app.ActivityCompat;
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import com.rehome.dywoa.R;
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import java.util.ArrayList;
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public class LeDeviceListAdapter extends BaseAdapter {
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private Activity context;
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private class ViewHolder {
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TextView deviceName;
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}
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private ArrayList<BluetoothDevice> mLeDevices;
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private LayoutInflater mInflator;
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public LeDeviceListAdapter(Activity context) {
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super();
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this.context=context;
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mLeDevices = new ArrayList<BluetoothDevice>();
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mInflator = context.getLayoutInflater();
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}
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public void addDevice(BluetoothDevice device) {
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if (!mLeDevices.contains(device)) {
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mLeDevices.add(device);
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}
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}
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public BluetoothDevice getDevice(int position) {
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return mLeDevices.get(position);
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}
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public void clear() {
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mLeDevices.clear();
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}
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@Override
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public int getCount() {
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return mLeDevices.size();
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}
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@Override
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public Object getItem(int i) {
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return mLeDevices.get(i);
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}
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@Override
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public long getItemId(int i) {
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return i;
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}
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@Override
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public View getView(int i, View view, ViewGroup viewGroup) {
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LeDeviceListAdapter.ViewHolder viewHolder;
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if (view == null) {
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view = mInflator.inflate(R.layout.listitem_device, null);
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viewHolder = new LeDeviceListAdapter.ViewHolder();
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viewHolder.deviceName = view.findViewById(R.id.device_name);
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view.setTag(viewHolder);
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} else {
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viewHolder = (LeDeviceListAdapter.ViewHolder) view.getTag();
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}
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BluetoothDevice device = mLeDevices.get(i);
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if (ActivityCompat.checkSelfPermission(context, Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED) {
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// TODO: Consider calling
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// ActivityCompat#requestPermissions
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// here to request the missing permissions, and then overriding
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// public void onRequestPermissionsResult(int requestCode, String[] permissions,
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// int[] grantResults)
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// to handle the case where the user grants the permission. See the documentation
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// for ActivityCompat#requestPermissions for more details.
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return null;
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}
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final String deviceName = device.getName();
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if (deviceName != null && deviceName.length() > 0)
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viewHolder.deviceName.setText(deviceName);
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else
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viewHolder.deviceName.setText(R.string.unknown_device);
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//当前点击选中的变色
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if (i == selectItem) {
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viewHolder.deviceName.getPaint().setFakeBoldText(true);
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viewHolder.deviceName.setTextColor(Color.parseColor("#00FF7F"));//连接之后的颜色
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} else {
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viewHolder.deviceName.getPaint().setFakeBoldText(false);
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viewHolder.deviceName.setTextColor(Color.parseColor("#000000"));
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}
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return view;
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}
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public void setSelectItem(int selectItem) {
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this.selectItem = selectItem;
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}
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private int selectItem = -1;
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}
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@ -0,0 +1,55 @@
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<?xml version="1.0" encoding="utf-8"?>
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical"
|
||||
tools:context=".bleUtil.BlueToothDeviceActivity">
|
||||
|
||||
<include layout="@layout/layout_base" />
|
||||
|
||||
<LinearLayout
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="80dp"
|
||||
android:layout_margin="10dp"
|
||||
android:orientation="vertical">
|
||||
|
||||
<TextView
|
||||
android:id="@+id/zt_data"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:layout_weight="1"
|
||||
android:gravity="center|left"
|
||||
android:text="蓝牙状态:"
|
||||
android:textSize="18sp" />
|
||||
|
||||
<TextView
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:layout_weight="1"
|
||||
android:gravity="center|left"
|
||||
android:text="点巡检仪上蓝灯亮起则为连接成功"
|
||||
android:textColor="#000080"
|
||||
android:textSize="12sp" />
|
||||
|
||||
<TextView
|
||||
android:id="@+id/tx_data"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:layout_marginTop="5dp"
|
||||
android:layout_weight="1"
|
||||
android:gravity="center|left"
|
||||
android:text="接收数值:"
|
||||
android:textSize="18sp" />
|
||||
|
||||
|
||||
</LinearLayout>
|
||||
|
||||
<ListView
|
||||
android:id="@+id/lv"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="match_parent"
|
||||
android:layout_margin="10dp"
|
||||
android:divider="@null"
|
||||
android:dividerHeight="10dp" />
|
||||
</LinearLayout>
|
||||
@ -0,0 +1,53 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="match_parent"
|
||||
android:orientation="vertical">
|
||||
|
||||
<include layout="@layout/layout_base" />
|
||||
|
||||
<LinearLayout
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="80dp"
|
||||
android:layout_margin="10dp"
|
||||
android:orientation="vertical">
|
||||
|
||||
<TextView
|
||||
android:id="@+id/zt_data"
|
||||
android:layout_weight="1"
|
||||
android:textSize="18sp"
|
||||
android:gravity="center|left"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:text="蓝牙状态:" />
|
||||
|
||||
<TextView
|
||||
android:layout_weight="1"
|
||||
android:textSize="12sp"
|
||||
android:gravity="center|left"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:textColor="#000080"
|
||||
android:text="点巡检仪上蓝灯亮起则为连接成功" />
|
||||
|
||||
<TextView
|
||||
android:layout_marginTop="5dp"
|
||||
android:id="@+id/tx_data"
|
||||
android:layout_weight="1"
|
||||
android:textSize="18sp"
|
||||
android:gravity="center|left"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:text="接收数值:" />
|
||||
|
||||
|
||||
</LinearLayout>
|
||||
|
||||
<ListView
|
||||
android:id="@+id/lv"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="match_parent"
|
||||
android:layout_margin="10dp"
|
||||
android:divider="@null"
|
||||
android:dividerHeight="10dp" />
|
||||
</LinearLayout>
|
||||
@ -0,0 +1,41 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<androidx.cardview.widget.CardView xmlns:android="http://schemas.android.com/apk/res/android"
|
||||
xmlns:app="http://schemas.android.com/apk/res-auto"
|
||||
android:id="@+id/card_view"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="wrap_content"
|
||||
android:layout_marginStart="10dp"
|
||||
android:layout_marginEnd="10dp"
|
||||
android:layout_marginTop="10dp"
|
||||
android:layout_marginBottom="6dp"
|
||||
app:cardBackgroundColor="@color/xui_config_color_white"
|
||||
app:cardCornerRadius="8dp"
|
||||
app:cardElevation="4dp"
|
||||
app:cardPreventCornerOverlap="true"
|
||||
app:contentPaddingTop="5dp"
|
||||
app:contentPaddingBottom="10dp"
|
||||
app:contentPaddingLeft="10dp"
|
||||
app:contentPaddingRight="10dp">
|
||||
|
||||
<LinearLayout
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="30dp"
|
||||
android:orientation="horizontal"
|
||||
android:baselineAligned="false">
|
||||
|
||||
<TextView
|
||||
android:layout_width="wrap_content"
|
||||
android:layout_height="match_parent"
|
||||
android:gravity="center"
|
||||
android:text="蓝牙名称:"
|
||||
android:textSize="30px" />
|
||||
|
||||
<TextView
|
||||
android:id="@+id/device_name"
|
||||
android:layout_width="match_parent"
|
||||
android:layout_height="match_parent"
|
||||
android:gravity="center|left"
|
||||
android:textSize="30px" />
|
||||
</LinearLayout>
|
||||
|
||||
</androidx.cardview.widget.CardView>
|
||||
Loading…
Reference in New Issue