Уроки по Kotlin Android Studio

MainFragment import android.Manifestimport android.os.Bundleimport android.util.Logimport androidx.fragment.app.Fragmentimport android.view.LayoutInflaterimport android.view.Viewimport android.view.ViewGroupimport android.widget.Toastimport androidx.activity.result.ActivityResultLauncherimport androidx.activity.result.contract.ActivityResultContractsimport androidx.fragment.app.FragmentActivityimport androidx.fragment.app.activityViewModelsimport com.android.volley.Requestimport com.android.volley.toolbox.StringRequestimport com.android.volley.toolbox.Volleyimport com.google.android.material.tabs.TabLayoutMediatorimport com.meter_alc_rgb.weatherappcursey.MainViewModelimport com.meter_alc_rgb.weatherappcursey.Rimport com.meter_alc_rgb.weatherappcursey.adapters.VpAdapterimport com.meter_alc_rgb.weatherappcursey.adapters.WeatherModelimport com.meter_alc_rgb.weatherappcursey.databinding.FragmentMainBindingimport com.squareup.picasso.Picassoimport org.json.JSONObjectconst val API_KEY = “Ваш API ключь”class MainFragment : Fragment() { private val fList = listOf( HoursFragment.newInstance(), DaysFragment.newInstance() ) private val tList = listOf( “Hours”, “Days” ) private lateinit var pLauncher: ActivityResultLauncher<String> private lateinit var binding: FragmentMainBinding private val model: MainViewModel by activityViewModels() override fun onCreateView(… Подробнее »Weather app #16 : Список прогноза по дням

build.gradle (module dependencies) dependencies { implementation “com.android.volley:volley:1.2.1” implementation “com.google.accompanist:accompanist-pager:0.19.0” implementation “com.google.accompanist:accompanist-pager-indicators:0.19.0” implementation ‘androidx.core:core-ktx:1.7.0’ implementation “androidx.compose.ui:ui:$compose_version” implementation “androidx.compose.material:material:$compose_version” implementation “androidx.compose.ui:ui-tooling-preview:$compose_version” implementation ‘androidx.lifecycle:lifecycle-runtime-ktx:2.3.1’ implementation ‘androidx.activity:activity-compose:1.3.1’ implementation(“io.coil-kt:coil-compose:2.0.0-rc01”) testImplementation ‘junit:junit:4.13.2’ androidTestImplementation ‘androidx.test.ext:junit:1.1.3’ androidTestImplementation ‘androidx.test.espresso:espresso-core:3.4.0’ androidTestImplementation “androidx.compose.ui:ui-test-junit4:$compose_version” debugImplementation “androidx.compose.ui:ui-tooling:$compose_version” debugImplementation “androidx.compose.ui:ui-test-manifest:$compose_version”} MainActivity import android.content.Contextimport android.os.Bundleimport android.util.Logimport androidx.activity.ComponentActivityimport androidx.activity.compose.setContentimport androidx.compose.foundation.Imageimport androidx.compose.foundation.layout.Columnimport androidx.compose.foundation.layout.fillMaxSizeimport androidx.compose.ui.Modifierimport androidx.compose.ui.draw.alphaimport androidx.compose.ui.layout.ContentScaleimport androidx.compose.ui.res.painterResourceimport com.android.volley.Requestimport com.android.volley.toolbox.StringRequestimport com.android.volley.toolbox.Volleyimport com.meter_alc_rgb.weatherappcomposey.screens.MainCardimport com.meter_alc_rgb.weatherappcomposey.screens.TabLayoutimport com.meter_alc_rgb.weatherappcomposey.ui.theme.WeatherAppComposeYThemeconst val API_KEY = “Ваш API KEY”class MainActivity : ComponentActivity() { override fun onCreate(savedInstanceState: Bundle?)… Подробнее »Weather App JetPack Compose #7 : getData()

HoursFragment import android.os.Bundleimport android.util.Logimport androidx.fragment.app.Fragmentimport android.view.LayoutInflaterimport android.view.Viewimport android.view.ViewGroupimport androidx.fragment.app.activityViewModelsimport androidx.recyclerview.widget.LinearLayoutManagerimport com.meter_alc_rgb.weatherappcursey.MainViewModelimport com.meter_alc_rgb.weatherappcursey.Rimport com.meter_alc_rgb.weatherappcursey.adapters.WeatherAdapterimport com.meter_alc_rgb.weatherappcursey.adapters.WeatherModelimport com.meter_alc_rgb.weatherappcursey.databinding.FragmentHoursBindingimport org.json.JSONArrayimport org.json.JSONObjectclass HoursFragment : Fragment() { private lateinit var binding: FragmentHoursBinding private lateinit var adapter: WeatherAdapter private val model: MainViewModel by activityViewModels() override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View { binding = FragmentHoursBinding.inflate(inflater, container, false) return binding.root } override fun onViewCreated(view: View, savedInstanceState: Bundle?) { super.onViewCreated(view, savedInstanceState) initRcView() model.liveDataCurrent.observe(viewLifecycleOwner){ adapter.submitList(getHoursList(it)) }… Подробнее »Weather app #15 : Список прогноза по часам

MainFragment import android.Manifestimport android.content.Contextimport android.content.Intentimport android.content.pm.PackageManagerimport android.location.Geocoderimport android.location.Locationimport android.location.LocationManagerimport android.os.Bundleimport android.os.Looperimport android.provider.Settingsimport android.util.Logimport androidx.fragment.app.Fragmentimport android.view.LayoutInflaterimport android.view.Viewimport android.view.ViewGroupimport android.widget.Toastimport androidx.activity.result.ActivityResultLauncherimport androidx.activity.result.contract.ActivityResultContractsimport androidx.appcompat.app.AppCompatActivityimport androidx.core.app.ActivityCompatimport androidx.fragment.app.FragmentActivityimport androidx.fragment.app.activityViewModelsimport com.android.volley.Requestimport com.android.volley.toolbox.StringRequestimport com.android.volley.toolbox.Volleyimport com.google.android.gms.location.*import com.google.android.gms.tasks.*import com.google.android.material.tabs.TabLayoutMediatorimport com.meter_alc_rgb.weatherappcurse.MainViewModelimport com.meter_alc_rgb.weatherappcurse.Rimport com.meter_alc_rgb.weatherappcurse.adapters.VpAdapterimport com.meter_alc_rgb.weatherappcurse.adapters.WeatherItemimport com.meter_alc_rgb.weatherappcurse.databinding.FragmentMainBindingimport com.meter_alc_rgb.weatherappcurse.utils.DialogManagerimport com.meter_alc_rgb.weatherappcurse.utils.TimeUtilsimport com.squareup.picasso.Picassoimport org.json.JSONObjectimport java.lang.NumberFormatExceptionconst val API_KEY = “Ваш API ключ”class MainFragment : Fragment() { private var mFusedLocationClient: FusedLocationProviderClient? = null private val model : MainViewModel by activityViewModels() private val fList = listOf<Fragment>( HoursFragment.newInstance(), DaysFragment.newInstance()… Подробнее »Weather app #14 : Показ прогноза на экране

WeatherModel data class WeatherModel( val city: String, val time: String, val currentTemp: String, val condition: String, val icon: String, val maxTemp: String, val minTemp: String, val hours: String) MainScreen import androidx.compose.foundation.Imageimport androidx.compose.foundation.layout.*import androidx.compose.foundation.lazy.LazyColumnimport androidx.compose.foundation.lazy.itemsIndexedimport androidx.compose.foundation.shape.RoundedCornerShapeimport androidx.compose.material.*import androidx.compose.runtime.Composableimport androidx.compose.runtime.rememberCoroutineScopeimport androidx.compose.ui.Alignmentimport androidx.compose.ui.Modifierimport androidx.compose.ui.draw.alphaimport androidx.compose.ui.draw.clipimport androidx.compose.ui.graphics.Colorimport androidx.compose.ui.layout.ContentScaleimport androidx.compose.ui.res.painterResourceimport androidx.compose.ui.text.TextStyleimport androidx.compose.ui.tooling.preview.Previewimport androidx.compose.ui.unit.dpimport androidx.compose.ui.unit.spimport coil.compose.AsyncImageimport com.google.accompanist.pager.ExperimentalPagerApiimport com.google.accompanist.pager.HorizontalPagerimport com.google.accompanist.pager.pagerTabIndicatorOffsetimport com.google.accompanist.pager.rememberPagerStateimport com.meter_alc_rgb.weatherappcomposey.Rimport com.meter_alc_rgb.weatherappcomposey.data.WeatherModelimport com.meter_alc_rgb.weatherappcomposey.ui.theme.BlueLightimport kotlinx.coroutines.launch@Composablefun MainCard() { Column( modifier = Modifier .padding(5.dp) ) { Card( modifier =… Подробнее »Weather App JetPack Compose #6 : WeatherModel

UI.kt import androidx.compose.foundation.layout.*import androidx.compose.foundation.shape.RoundedCornerShapeimport androidx.compose.material.Cardimport androidx.compose.material.Textimport androidx.compose.runtime.Composableimport androidx.compose.ui.Alignmentimport androidx.compose.ui.Modifierimport androidx.compose.ui.graphics.Colorimport androidx.compose.ui.text.TextStyleimport androidx.compose.ui.text.font.FontStyleimport androidx.compose.ui.tooling.preview.Previewimport androidx.compose.ui.unit.dpimport androidx.compose.ui.unit.spimport coil.compose.AsyncImageimport com.meter_alc_rgb.weatherappcomposey.ui.theme.BlueLight@Preview(showBackground = true)@Composablefun ListItem() { Card( modifier = Modifier .fillMaxWidth() .padding(top = 3.dp), backgroundColor = BlueLight, elevation = 0.dp, shape = RoundedCornerShape(5.dp) ) { Row( modifier = Modifier.fillMaxWidth(), horizontalArrangement = Arrangement.SpaceBetween, verticalAlignment = Alignment.CenterVertically ) { Column( modifier = Modifier.padding( start = 8.dp, top = 5.dp, bottom = 5.dp ) ) { Text(text =… Подробнее »Weather App JetPack Compose #5: ListItem

MainFragment import android.Manifestimport android.os.Bundleimport android.util.Logimport androidx.fragment.app.Fragmentimport android.view.LayoutInflaterimport android.view.Viewimport android.view.ViewGroupimport android.widget.Toastimport androidx.activity.result.ActivityResultLauncherimport androidx.activity.result.contract.ActivityResultContractsimport androidx.fragment.app.FragmentActivityimport com.android.volley.Requestimport com.android.volley.toolbox.StringRequestimport com.android.volley.toolbox.Volleyimport com.google.android.material.tabs.TabLayoutMediatorimport com.meter_alc_rgb.weatherappcursey.Rimport com.meter_alc_rgb.weatherappcursey.adapters.VpAdapterimport com.meter_alc_rgb.weatherappcursey.adapters.WeatherModelimport com.meter_alc_rgb.weatherappcursey.databinding.FragmentMainBindingimport org.json.JSONObjectconst val API_KEY = “Ваш API KEY”class MainFragment : Fragment() { private val fList = listOf( HoursFragment.newInstance(), DaysFragment.newInstance() ) private val tList = listOf( “Hours”, “Days” ) private lateinit var pLauncher: ActivityResultLauncher<String> private lateinit var binding: FragmentMainBinding override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View {… Подробнее »Weather app #13 : Парсинг массива с прогнозом

MainFragment import android.Manifestimport android.os.Bundleimport android.util.Logimport androidx.fragment.app.Fragmentimport android.view.LayoutInflaterimport android.view.Viewimport android.view.ViewGroupimport android.widget.Toastimport androidx.activity.result.ActivityResultLauncherimport androidx.activity.result.contract.ActivityResultContractsimport androidx.fragment.app.FragmentActivityimport com.android.volley.Requestimport com.android.volley.toolbox.StringRequestimport com.android.volley.toolbox.Volleyimport com.google.android.material.tabs.TabLayoutMediatorimport com.meter_alc_rgb.weatherappcursey.Rimport com.meter_alc_rgb.weatherappcursey.adapters.VpAdapterimport com.meter_alc_rgb.weatherappcursey.adapters.WeatherModelimport com.meter_alc_rgb.weatherappcursey.databinding.FragmentMainBindingimport org.json.JSONObjectconst val API_KEY = ” Ваш API KEY”class MainFragment : Fragment() { private val fList = listOf( HoursFragment.newInstance(), DaysFragment.newInstance() ) private val tList = listOf( “Hours”, “Days” ) private lateinit var pLauncher: ActivityResultLauncher<String> private lateinit var binding: FragmentMainBinding override fun onCreateView( inflater: LayoutInflater, container: ViewGroup?, savedInstanceState: Bundle? ): View… Подробнее »Weather app #12 : Парсинг полученных данных

MainFragment import android.Manifestimport android.content.Contextimport android.content.Intentimport android.content.pm.PackageManagerimport android.location.Geocoderimport android.location.Locationimport android.location.LocationManagerimport android.os.Bundleimport android.os.Looperimport android.provider.Settingsimport android.util.Logimport androidx.fragment.app.Fragmentimport android.view.LayoutInflaterimport android.view.Viewimport android.view.ViewGroupimport android.widget.Toastimport androidx.activity.result.ActivityResultLauncherimport androidx.activity.result.contract.ActivityResultContractsimport androidx.appcompat.app.AppCompatActivityimport androidx.core.app.ActivityCompatimport androidx.fragment.app.FragmentActivityimport androidx.fragment.app.activityViewModelsimport com.android.volley.Requestimport com.android.volley.toolbox.StringRequestimport com.android.volley.toolbox.Volleyimport com.google.android.gms.location.*import com.google.android.gms.tasks.*import com.google.android.material.tabs.TabLayoutMediatorimport com.meter_alc_rgb.weatherappcurse.MainViewModelimport com.meter_alc_rgb.weatherappcurse.Rimport com.meter_alc_rgb.weatherappcurse.adapters.VpAdapterimport com.meter_alc_rgb.weatherappcurse.adapters.WeatherItemimport com.meter_alc_rgb.weatherappcurse.databinding.FragmentMainBindingimport com.meter_alc_rgb.weatherappcurse.utils.DialogManagerimport com.meter_alc_rgb.weatherappcurse.utils.TimeUtilsimport com.squareup.picasso.Picassoimport org.json.JSONObjectimport java.lang.NumberFormatExceptionconst val API_KEY = “ваш API KEY”class MainFragment : Fragment() { private var mFusedLocationClient: FusedLocationProviderClient? = null private val model : MainViewModel by activityViewModels() private val fList = listOf<Fragment>( HoursFragment.newInstance(), DaysFragment.newInstance()… Подробнее »WeatherApp #11: Получение данный с Weather API

WeatherAdapter.kt import android.view.LayoutInflaterimport android.view.Viewimport android.view.ViewGroupimport androidx.recyclerview.widget.DiffUtilimport androidx.recyclerview.widget.ListAdapterimport androidx.recyclerview.widget.RecyclerViewimport com.meter_alc_rgb.weatherappcursey.Rimport com.meter_alc_rgb.weatherappcursey.databinding.ListItemBindingclass WeatherAdapter : ListAdapter<WeatherModel, WeatherAdapter.Holder>(Comparator()) { class Holder(view: View) : RecyclerView.ViewHolder(view){ val binding = ListItemBinding.bind(view) fun bind(item: WeatherModel) = with(binding){ tvDate.text = item.time tvCondition.text = item.condition tvTemp.text = item.currentTemp } } class Comparator : DiffUtil.ItemCallback<WeatherModel>(){ override fun areItemsTheSame(oldItem: WeatherModel, newItem: WeatherModel): Boolean { return oldItem == newItem } override fun areContentsTheSame(oldItem: WeatherModel, newItem: WeatherModel): Boolean { return oldItem == newItem }… Подробнее »WeatherApp #10: RecyclerView Adapter – Part 2