JosiasSena

private void getCameraIds() {
    cameraManager = (CameraManager) appContext.getSystemService(Context.CAMERA_SERVICE);
    CameraCharacteristics cameraCharacteristics;
    try {
        for (String cameraId : cameraManager.getCameraIdList()) {
            cameraCharacteristics = cameraManager.getCameraCharacteristics(cameraId);
            if (isCameraFacingBack(cameraCharacteristics) && backCameraId == null) {
                backCameraId = cameraId;
            } else if (isCameraFacingFront(cameraCharacteristics) && frontCameraId == null) {
                frontCameraId = cameraId;

JosiasSena

private void getCameraIds() {
    cameraManager = (CameraManager) appContext.getSystemService (Context.CAMERA_SERVICE);
    CameraCharacteristics cameraCharacteristics;
    try {
        for (String cameraId : cameraManager.getCameraIdList()) {
            cameraCharacteristics = cameraManager.getCameraCharacteristics(cameraId);
            if (isCameraFacingBack(cameraCharacteristics)) {
                backCameraId = cameraId;
            } else if (isCameraFacingFront(cameraCharacteristics)) {
                frontCameraId = cameraId;

JosiasSena

class SomePresenterOrViewModelEtc(private val api: GraphQLApi) {

    // ...

    fun sunscribeToMessages() {
        val messagesSubscription = OnNewMessagesReceivedSubscription.builder()
            .groupUUID("uuid")
            .build()

        api.subscribe(messagesSubscription)

JosiasSena

class GraphQLApi(private val sharedOkHttpClientBuilder: OkHttpClient.Builder) {

    // ...

    fun <D : Operation.Data, V : Operation.Variables> subscribe(subscription: Subscription<D, D, V>): Flowable<Response<D>> {

        // Create our dedicated apollo client
        val apolloClient = ApolloSubscriptionClientFactory(sharedOkHttpClientBuilder)
            .createSubscriptionApolloClient()

JosiasSena

class ApolloSubscriptionClientFactory {
    
  fun createSubscriptionApolloClient(sharedOkHttpClientBuilder: OkHttpClient.Builder): ApolloClient {
      val okHttpClient = sharedOkHttpClientBuilder
            .pingInterval(KEEP_ALIVE_INTERVAL, TimeUnit.SECONDS)
            .build()
    
      val subscriptionTransportFactory = WebSocketSubscriptionTransport.Factory("wss://your_subscription_host/graphql", okHttpClient)
    
      return ApolloClient.builder()

JosiasSena

subscription onNewMessagesReceived($groupUUID: String!) {
    groupChatSubscription(group: $groupUUID) {
        ... on Message {
                uuid
        }
    }
}

JosiasSena

class ApolloSubscriptionClientFactory {
    
  fun createSubscriptionApolloClient(sharedOkHttpClientBuilder: OkHttpClient.Builder): ApolloClient {
      val okHttpClient = sharedOkHttpClientBuilder
            .pingInterval(KEEP_ALIVE_INTERVAL, TimeUnit.SECONDS)
            .build()
    
      val subscriptionTransportFactory = WebSocketSubscriptionTransport.Factory("wss://your_subscription_host/graphql", okHttpClient)
    
      return ApolloClient.builder()

JosiasSena

for file in *; do mv "$file” "`echo $file | tr "[:upper:]" "[:lower:]"`"; done

JosiasSena

package com.josiassena.simplepedometer

import android.content.Context
import android.content.pm.PackageManager
import android.hardware.Sensor
import android.hardware.SensorEvent
import android.hardware.SensorEventListener
import android.hardware.SensorManager
import android.os.Bundle
import android.support.v7.app.AppCompatActivity

JosiasSena

First Method

Deleting the .git folder may cause problems in our git repository. If we want to delete all of our commits history, but keep the code in its current state, try this:

# Check out to a temporary branch:
git checkout --orphan TEMP_BRANCH

# Add all the files:
git add -A