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Code Issues Releases Wiki Activity

[platform_channels] adds Platform Image demo (#475)

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This commit is contained in:
Ayush Bherwani
2020-06-20 04:28:00 +05:30
committed by GitHub
parent 70976eeb28
commit ecb5aab94d
8 changed files with 163 additions and 0 deletions
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platform_channels/android/app/src/main/assets/eat_new_orleans.jpg Normal file
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platform_channels/android/app/src/main/kotlin/dev/flutter/platform_channels/MainActivity.kt
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@@ -9,8 +9,11 @@ import android.hardware.Sensor
import android.hardware.SensorManager
import io.flutter.embedding.android.FlutterActivity
import io.flutter.embedding.engine.FlutterEngine
import io.flutter.plugin.common.BasicMessageChannel
import io.flutter.plugin.common.EventChannel
import io.flutter.plugin.common.MethodChannel
import io.flutter.plugin.common.StandardMessageCodec
import java.io.InputStream
class MainActivity : FlutterActivity() {
override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
@@ -40,5 +43,15 @@ class MainActivity : FlutterActivity() {
val accelerometerSensor: Sensor = sensorManger.getDefaultSensor(Sensor.TYPE_ACCELEROMETER)
EventChannel(flutterEngine.dartExecutor, "eventChannelDemo")
.setStreamHandler(AccelerometerStreamHandler(sensorManger, accelerometerSensor))
// Registers a MessageHandler for BasicMessageChannel to receive a message from Dart and send
// image data in reply.
BasicMessageChannel(flutterEngine.dartExecutor, "platformImageDemo", StandardMessageCodec())
.setMessageHandler { message, reply ->
if (message == "getImage") {
val inputStream: InputStream = assets.open("eat_new_orleans.jpg")
reply.reply(inputStream.readBytes());
}
}
}
}