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Android example: update the example to use application context instea…
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…d of activity context. Using activity context causes activity to leak memory
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@JOikarinen
JOikarinen committed Nov 5, 2021
1 parent 784c118 commit 9e2ac33
Showing 1 changed file with 8 additions and 31 deletions.
39 changes: 8 additions & 31 deletions ...le-android/androidBleSdkTestApp/app/src/main/java/com/polar/androidblesdk/MainActivity.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -35,7 +35,7 @@ class MainActivity : AppCompatActivity() {

private val api: PolarBleApi by lazy {
// Notice PolarBleApi.ALL_FEATURES are enabled
PolarBleApiDefaultImpl.defaultImplementation(this, PolarBleApi.ALL_FEATURES)
PolarBleApiDefaultImpl.defaultImplementation(applicationContext, PolarBleApi.ALL_FEATURES)
}
private lateinit var broadcastDisposable: Disposable
private var scanDisposable: Disposable? = null
Expand Down Expand Up @@ -153,10 +153,7 @@ class MainActivity : AppCompatActivity() {
}

override fun hrNotificationReceived(identifier: String, data: PolarHrData) {
Log.d(
TAG,
"HR value: ${data.hr} rrsMs: ${data.rrsMs} rr: ${data.rrs} contact: ${data.contactStatus} , ${data.contactStatusSupported}"
)
Log.d(TAG, "HR value: ${data.hr} rrsMs: ${data.rrsMs} rr: ${data.rrs} contact: ${data.contactStatus} , ${data.contactStatusSupported}")
}

override fun polarFtpFeatureReady(s: String) {
Expand All @@ -170,12 +167,7 @@ class MainActivity : AppCompatActivity() {
broadcastDisposable = api.startListenForPolarHrBroadcasts(null)
.subscribe(
{ polarBroadcastData: PolarHrBroadcastData ->
Log.d(
TAG,
"HR BROADCAST ${polarBroadcastData.polarDeviceInfo.deviceId} " +
"HR: ${polarBroadcastData.hr} " +
"batt: ${polarBroadcastData.batteryStatus}"
)
Log.d(TAG, "HR BROADCAST ${polarBroadcastData.polarDeviceInfo.deviceId} HR: ${polarBroadcastData.hr} batt: ${polarBroadcastData.batteryStatus}")
},
{ error: Throwable ->
toggleButtonUp(broadcastButton, R.string.listen_broadcast)
Expand Down Expand Up @@ -226,10 +218,7 @@ class MainActivity : AppCompatActivity() {
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
{ polarDeviceInfo: PolarDeviceInfo ->
Log.d(
TAG,
"polar device found id: " + polarDeviceInfo.deviceId + " address: " + polarDeviceInfo.address + " rssi: " + polarDeviceInfo.rssi + " name: " + polarDeviceInfo.name + " isConnectable: " + polarDeviceInfo.isConnectable
)
Log.d(TAG, "polar device found id: " + polarDeviceInfo.deviceId + " address: " + polarDeviceInfo.address + " rssi: " + polarDeviceInfo.rssi + " name: " + polarDeviceInfo.name + " isConnectable: " + polarDeviceInfo.isConnectable)
},
{ error: Throwable ->
toggleButtonUp(scanButton, "Scan devices")
Expand Down Expand Up @@ -372,10 +361,7 @@ class MainActivity : AppCompatActivity() {
{ polarOhrPPGData: PolarOhrData ->
if (polarOhrPPGData.type == PolarOhrData.OHR_DATA_TYPE.PPG3_AMBIENT1) {
for (data in polarOhrPPGData.samples) {
Log.d(
TAG,
"PPG ppg0: ${data.channelSamples[0]} ppg1: ${data.channelSamples[1]} ppg2: ${data.channelSamples[2]} ambient: ${data.channelSamples[3]}"
)
Log.d(TAG, "PPG ppg0: ${data.channelSamples[0]} ppg1: ${data.channelSamples[1]} ppg2: ${data.channelSamples[2]} ambient: ${data.channelSamples[3]}")
}
}
},
Expand All @@ -401,10 +387,7 @@ class MainActivity : AppCompatActivity() {
.subscribe(
{ ppiData: PolarOhrPPIData ->
for (sample in ppiData.samples) {
Log.d(
TAG,
"PPI ppi: ${sample.ppi} blocker: ${sample.blockerBit} errorEstimate: ${sample.errorEstimate}"
)
Log.d(TAG, "PPI ppi: ${sample.ppi} blocker: ${sample.blockerBit} errorEstimate: ${sample.errorEstimate}")
}
},
{ error: Throwable ->
Expand All @@ -425,10 +408,7 @@ class MainActivity : AppCompatActivity() {
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
{ polarExerciseEntry: PolarExerciseEntry ->
Log.d(
TAG,
"next: ${polarExerciseEntry.date} path: ${polarExerciseEntry.path} id: ${polarExerciseEntry.identifier}"
)
Log.d(TAG, "next: ${polarExerciseEntry.date} path: ${polarExerciseEntry.path} id: ${polarExerciseEntry.identifier}")
exerciseEntry = polarExerciseEntry
},
{ error: Throwable -> Log.e(TAG, "Failed to list exercises: $error") },
Expand All @@ -442,10 +422,7 @@ class MainActivity : AppCompatActivity() {
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
{ polarExerciseData: PolarExerciseData ->
Log.d(
TAG,
"exercise data count: ${polarExerciseData.hrSamples.size} samples: ${polarExerciseData.hrSamples}"
)
Log.d(TAG, "exercise data count: ${polarExerciseData.hrSamples.size} samples: ${polarExerciseData.hrSamples}")
},
{ error: Throwable ->
val errorDescription = "Failed to read exercise. Reason: $error"
Expand Down

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