fix : Recording starts even when device not connected.

.github/workflows/pull-request.yml

@@ -13,18 +13,16 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        java-version: [ 11 ]
+
     steps:
     - name: Download repository
       uses: actions/checkout@v2
 
-    - name: Setup Java ${{ matrix.java-version }}
+    - name: Setup Java
       uses: actions/setup-java@v2
       with:
-        distribution: 'zulu'
-        java-version: ${{ matrix.java-version }}
+        distribution: 'adopt'
+        java-version: '11'
 
     - name: Build with Gradle
       run: bash ./gradlew build --stacktrace

app/src/main/java/io/pslab/activity/AccelerometerActivity.java

@@ -1,9 +1,12 @@
 package io.pslab.activity;
 
 import android.content.SharedPreferences;
-import androidx.fragment.app.Fragment;
+import android.hardware.Sensor;
+import android.hardware.SensorManager;
 
+import androidx.fragment.app.Fragment;
 import androidx.preference.PreferenceManager;
+
 import io.pslab.R;
 import io.pslab.fragment.AccelerometerDataFragment;
 import io.pslab.fragment.AccelerometerSettingsFragment;
@@ -102,6 +105,12 @@ public void getDataFromDataLogger() {
         }
     }
 
+    @Override
+    public boolean sensorNotFound() {
+        SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
+        return sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER) == null;
+    }
+
     /**
      * Once settings have been changed, those changes can be captured from onResume method.
      */

app/src/main/java/io/pslab/activity/BarometerActivity.java

@@ -1,8 +1,10 @@
 package io.pslab.activity;
 
 import android.content.SharedPreferences;
-import androidx.fragment.app.Fragment;
+import android.hardware.Sensor;
+import android.hardware.SensorManager;
 
+import androidx.fragment.app.Fragment;
 import androidx.preference.PreferenceManager;
 
 import io.pslab.R;
@@ -105,6 +107,12 @@ public void getDataFromDataLogger() {
         }
     }
 
+    @Override
+    public boolean sensorNotFound() {
+        SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
+        return sensorManager.getDefaultSensor(Sensor.TYPE_PRESSURE) == null;
+    }
+
     @Override
     protected void onResume() {
         super.onResume();

app/src/main/java/io/pslab/activity/CompassActivity.java

@@ -1,8 +1,10 @@
 package io.pslab.activity;
 
 import android.content.SharedPreferences;
-import androidx.fragment.app.Fragment;
+import android.hardware.Sensor;
+import android.hardware.SensorManager;
 
+import androidx.fragment.app.Fragment;
 import androidx.preference.PreferenceManager;
 
 import io.pslab.R;
@@ -101,6 +103,12 @@ public void getDataFromDataLogger() {
         }
     }
 
+    @Override
+    public boolean sensorNotFound() {
+        SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
+        return sensorManager.getDefaultSensor(Sensor.TYPE_ORIENTATION) == null;
+    }
+
     @Override
     protected void onResume() {
         super.onResume();

app/src/main/java/io/pslab/activity/DustSensorActivity.java

@@ -2,8 +2,8 @@
 
 import android.content.SharedPreferences;
 import android.preference.PreferenceManager;
-import androidx.fragment.app.Fragment;
 
+import androidx.fragment.app.Fragment;
 
 import io.pslab.R;
 import io.pslab.fragment.DustSensorDataFragment;
@@ -133,4 +133,9 @@ public void getDataFromDataLogger() {
             getSupportActionBar().setTitle(title);
         }
     }
+
+    @Override
+    public boolean sensorNotFound() {
+        return true;
+    }
 }

app/src/main/java/io/pslab/activity/GasSensorActivity.java

@@ -3,7 +3,6 @@
 import android.content.SharedPreferences;
 import androidx.fragment.app.Fragment;
 
-
 import io.pslab.R;
 import io.pslab.fragment.GasSensorDataFragment;
 import io.pslab.models.GasSensorData;
@@ -98,4 +97,9 @@ public void getDataFromDataLogger() {
             getSupportActionBar().setTitle(title);
         }
     }
+
+    @Override
+    public boolean sensorNotFound() {
+        return true;
+    }
 }

app/src/main/java/io/pslab/activity/GyroscopeActivity.java

@@ -1,8 +1,10 @@
 package io.pslab.activity;
 
 import android.content.SharedPreferences;
-import androidx.fragment.app.Fragment;
+import android.hardware.Sensor;
+import android.hardware.SensorManager;
 
+import androidx.fragment.app.Fragment;
 import androidx.preference.PreferenceManager;
 
 import io.pslab.R;
@@ -101,6 +103,12 @@ public void getDataFromDataLogger() {
         }
     }
 
+    @Override
+    public boolean sensorNotFound() {
+        SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
+        return sensorManager.getDefaultSensor(Sensor.TYPE_GYROSCOPE) == null;
+    }
+
     @Override
     protected void onResume() {
         super.onResume();

app/src/main/java/io/pslab/activity/LuxMeterActivity.java

@@ -1,8 +1,10 @@
 package io.pslab.activity;
 
 import android.content.SharedPreferences;
-import androidx.fragment.app.Fragment;
+import android.hardware.Sensor;
+import android.hardware.SensorManager;
 
+import androidx.fragment.app.Fragment;
 import androidx.preference.PreferenceManager;
 
 import io.pslab.R;
@@ -102,6 +104,12 @@ public void getDataFromDataLogger() {
         }
     }
 
+    @Override
+    public boolean sensorNotFound() {
+        SensorManager sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
+        return sensorManager.getDefaultSensor(Sensor.TYPE_LIGHT) == null;
+    }
+
     /**
      * Once settings have been changed, those changes can be captured from onResume method.
      * reinstateConfigurations() will update the logs with new settings