app/src/main/java/net/osdn/gokigen/blecontrol/lib/ble/connection/fv100/FV100BleDeviceConnector.java

   1 package net.osdn.gokigen.blecontrol.lib.ble.connection.fv100;
   2
   3 import android.bluetooth.BluetoothAdapter;
   4 import android.bluetooth.BluetoothDevice;
   5 import android.bluetooth.BluetoothManager;
   6 import android.content.Context;
   7 import android.os.Build;
   8 import android.util.Log;
   9
  10 import androidx.annotation.NonNull;
  11 import androidx.annotation.RequiresApi;
  12 import androidx.fragment.app.FragmentActivity;
  13
  14 import com.google.android.material.snackbar.Snackbar;
  15
  16 import net.osdn.gokigen.blecontrol.lib.ble.R;
  17 import net.osdn.gokigen.blecontrol.lib.ble.connection.ITextDataUpdater;
  18
  19 public class FV100BleDeviceConnector implements FV100Finder.BleScanResult
  20 {
  21     private String TAG = toString();
  22     private static final int BLE_SCAN_TIMEOUT_MILLIS = 15 * 1000; // 15秒間
  23     private static final int BLE_WAIT_DURATION  = 100;           // 100ms間隔
  24     private final FragmentActivity context;
  25     private final ITextDataUpdater dataUpdater;
  26     private FV100Communicator communicator = null;
  27     private boolean foundBleDevice = false;
  28
  29     public FV100BleDeviceConnector(@NonNull FragmentActivity context, @NonNull ITextDataUpdater dataUpdater)
  30     {
  31         this.context = context;
  32         this.dataUpdater = dataUpdater;
  33         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
  34         {
  35             communicator = new FV100Communicator(context, dataUpdater);
  36         }
  37     }
  38
  39     public void query_to_device(String deviceName)
  40     {
  41         Log.v(TAG, " query_to_device : '" + deviceName + "'");
  42         try {
  43             BluetoothAdapter btAdapter = BluetoothAdapter.getDefaultAdapter();
  44             if (!btAdapter.isEnabled()) {
  45                 // Bluetoothの設定がOFFだった
  46                 showMessage(R.string.ble_setting_is_off);
  47             }
  48             BluetoothManager btMgr;
  49             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
  50             {
  51                 // BLE のサービスを取得
  52                 btMgr = (BluetoothManager) context.getSystemService(Context.BLUETOOTH_SERVICE);
  53                 if (btMgr != null)
  54                 {
  55                     // BLEデバイスをスキャンする
  56                     scanBleDevice(btMgr, new FV100Finder(deviceName, this));
  57                 }
  58                 else
  59                 {
  60                     // Bluetooth LEのサポートがない場合は、何もしない
  61                     showMessage(R.string.not_support_ble);
  62                 }
  63             }
  64             else
  65             {
  66                 // Androidのバージョンが低かった
  67                 showMessage(R.string.not_support_android_version);
  68             }
  69         }
  70         catch (Exception e)
  71         {
  72             e.printStackTrace();
  73         }
  74     }
  75
  76     public void reload_device_information()
  77     {
  78         try
  79         {
  80             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
  81             {
  82                 if (communicator != null)
  83                 {
  84                     communicator.data_reload();
  85                 }
  86             }
  87         }
  88         catch (Exception e)
  89         {
  90             e.printStackTrace();
  91         }
  92     }
  93
  94     private void showMessage(int stringId)
  95     {
  96         try
  97         {
  98             final String message = context.getString(stringId);
  99             Log.v(TAG, message);
 100             context.runOnUiThread(new Runnable() {
 101                 @Override
 102                 public void run() {
 103                     try
 104                     {
 105                         // Snackbarでメッセージを通知する
 106                         Snackbar.make(context.findViewById(R.id.drawer_layout), message, Snackbar.LENGTH_LONG).show();
 107
 108                         // Toastで カメラ起動エラーがあったことを通知する
 109                         //Toast.makeText(context, message, Toast.LENGTH_LONG).show();
 110                     }
 111                     catch (Exception e)
 112                     {
 113                         e.printStackTrace();
 114                     }
 115                 }
 116             });
 117         }
 118         catch (Exception e)
 119         {
 120             e.printStackTrace();
 121         }
 122     }
 123
 124     @RequiresApi(api = Build.VERSION_CODES.JELLY_BEAN_MR2)
 125     private void scanBleDevice(BluetoothManager btMgr, FV100Finder finder)
 126     {
 127         try
 128         {
 129             // スキャン開始
 130             foundBleDevice = false;
 131             finder.reset();
 132             BluetoothAdapter adapter = btMgr.getAdapter();
 133             if (!adapter.startLeScan(finder))
 134             {
 135                 // Bluetooth LEのスキャンが開始できなかった場合...
 136                 Log.v(TAG, "Bluetooth LE SCAN START fail...");
 137                 showMessage(R.string.ble_scan_start_failure);
 138                 return;
 139             }
 140             Log.v(TAG, " ----- BT SCAN STARTED ----- ");
 141             int passed = 0;
 142             while (passed < BLE_SCAN_TIMEOUT_MILLIS)
 143             {
 144                 if (foundBleDevice)
 145                 {
 146                     // デバイス発見
 147                     Log.v(TAG, "FOUND DEVICE");
 148                     break;
 149                 }
 150
 151                 // BLEのスキャンが終わるまで待つ
 152                 Thread.sleep(BLE_WAIT_DURATION);
 153                 passed = passed + BLE_WAIT_DURATION;
 154             }
 155             // スキャンを止める
 156             adapter.stopLeScan(finder);
 157             Log.v(TAG, " ----- BT SCAN STOPPED ----- ");
 158         }
 159         catch (Exception e)
 160         {
 161             e.printStackTrace();
 162             Log.v(TAG, "Bluetooth LE SCAN EXCEPTION...");
 163             showMessage(R.string.scan_fail_via_ble);
 164         }
 165         Log.v(TAG, "Bluetooth LE SCAN STOPPED");
 166         context.runOnUiThread(new Runnable() {
 167             @Override
 168             public void run() {
 169                 dataUpdater.setText(context.getString(R.string.ble_scan_finished));
 170             }
 171         });
 172     }
 173
 174     @Override
 175     public void foundBleDevice(BluetoothDevice device)
 176     {
 177         try
 178         {
 179             foundBleDevice = true;
 180             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT)
 181             {
 182                 if (communicator != null)
 183                 {
 184                     communicator.startCommunicate(device);
 185                 }
 186             }
 187         }
 188         catch (Exception e)
 189         {
 190             e.printStackTrace();
 191         }
 192     }
 193
 194 }