mikepyts
/ Blinking LED with handler.kt
Last active
November 4, 2018 23:17
Gist which demonstrate how to make blinking LED with peripheral manager and handler (Kotlin, Android Things)
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| package <package_name> | |
| import android.app.Activity | |
| import android.os.Bundle | |
| import android.os.Handler | |
| import android.util.Log | |
| import com.google.android.things.pio.Gpio | |
| import com.google.android.things.pio.PeripheralManager | |
| import java.io.IOException |
mikepyts
/ Button events with peripheral manager.kt
Last active
November 4, 2018 23:16
Gist which shows how to handle button events with callback method and peripheral manager (Kotlin, Android Things)
mikepyts
/ Button events with user-space driver.kt
Last active
November 4, 2018 23:39
This gist demonstrate how to use user-space input driver to handle button event (Kotlin, Android Things)
mikepyts
/ RGB LED.kt with button and event listener.kt
Last active
November 4, 2018 23:24
Simply shows how to connect RGB LED to the button (Kotlin, Android Things)
mikepyts
/ Button events with user-space driver.kt
Last active
November 4, 2018 23:27
Example how to use user-space driver for button events (Kotlin, Android Things)
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| // Access scopes | |
| private val accessScope = listOf("https://www.googleapis.com/auth/cloud-platform.read-only") | |
| private var token = "Empty" | |
| // Receive Google OAuth 2 token for API access | |
| private fun authenticateAndAuthorize() { | |
| doAsync { | |
| val googleCredential = GoogleCredential | |
| .fromStream(ctx.assets.open("service-account.json")) | |
| .createScoped(accessScope) |
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| // Retrofit interface | |
| interface GCPService { | |
| @GET("/bigquery/v2/projects/weather-231121/datasets/WeatherDataSet/tables/WeatherDataTable/data") | |
| fun getTable(@Header("Authorization") token: String, @Query("startIndex") startIndex: Int): Call<JsonObject> | |
| } | |
| // Retrofit builder | |
| private val retrofitBuilder = Retrofit.Builder() | |
| .baseUrl("https://content.googleapis.com") | |
| .addConverterFactory(GsonConverterFactory.create()) |
mikepyts
/ pullTableData.kt
Created
April 13, 2019 18:52
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| // Get table | |
| fun pullData() { | |
| when (token) { | |
| "Empty" -> { | |
| authenticateAndAuthorize() | |
| } | |
| else -> { | |
| doAsync { | |
| val apiCall = gcpService.getTable("Bearer $token", 15).execute() | |
| Log.d("JSON", apiCall.body().toString()) |
mikepyts
/ BigQueryDataClasses.kt
Created
April 20, 2019 19:23
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| // Data classes for JSON deserialization | |
| data class JsonTable(@SerializedName("rows") val rows: List<Row>) { | |
| data class Row(@SerializedName("f") val f: List<F>) { | |
| data class F(@SerializedName("v") val v: String) | |
| } | |
| } |
mikepyts
/ DataHolders.kt
Created
April 20, 2019 19:29
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| // Data holders | |
| val temperatureData = mutableListOf<Float>() | |
| val pressureData = mutableListOf<Float>() | |
| val timeData = mutableListOf<Float>() | |
| // Convert data from BigQuery JsonTable to data arrays | |
| fun processData(tableData: JsonTable) { | |
| tableData.rows.forEach { | |
| it.f.forEachIndexed { index, element -> | |
| when (index) { |
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