Weather App JetPack Compose #8 : getWeatherDyDays()

MainScreen

import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.*
import androidx.compose.foundation.lazy.LazyColumn
import androidx.compose.foundation.lazy.itemsIndexed
import androidx.compose.foundation.shape.RoundedCornerShape
import androidx.compose.material.*
import androidx.compose.runtime.Composable
import androidx.compose.runtime.MutableState
import androidx.compose.runtime.rememberCoroutineScope
import androidx.compose.ui.Alignment
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.alpha
import androidx.compose.ui.draw.clip
import androidx.compose.ui.graphics.Color
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.res.painterResource
import androidx.compose.ui.text.TextStyle
import androidx.compose.ui.tooling.preview.Preview
import androidx.compose.ui.unit.dp
import androidx.compose.ui.unit.sp
import coil.compose.AsyncImage
import com.google.accompanist.pager.ExperimentalPagerApi
import com.google.accompanist.pager.HorizontalPager
import com.google.accompanist.pager.pagerTabIndicatorOffset
import com.google.accompanist.pager.rememberPagerState
import com.meter_alc_rgb.weatherappcomposey.R
import com.meter_alc_rgb.weatherappcomposey.data.WeatherModel
import com.meter_alc_rgb.weatherappcomposey.ui.theme.BlueLight
import kotlinx.coroutines.launch

@Composable
fun MainCard() {
Column(
modifier = Modifier
.padding(5.dp)
) {
Card(
modifier = Modifier.fillMaxWidth(),
backgroundColor = BlueLight,
elevation = 0.dp
) {
Column(
modifier = Modifier.fillMaxWidth(),
horizontalAlignment = Alignment.CenterHorizontally
) {
Row(
modifier = Modifier.fillMaxWidth(),
horizontalArrangement = Arrangement.SpaceBetween
) {
Text(
text = "20 Jun 2022 13:00",
modifier = Modifier.padding(
top = 8.dp,
start = 8.dp
),
style = TextStyle(fontSize = 15.sp),
color = Color.White
)
AsyncImage(
model = "https://cdn.weatherapi.com/weather/64x64/day/116.png",
contentDescription = "im2",
modifier = Modifier
.padding(
top = 8.dp,
end = 8.dp
)
.size(35.dp)
)
}
Text(
text = "Madrid",
style = TextStyle(fontSize = 24.sp),
color = Color.White
)
Text(
text = "23ºC",
style = TextStyle(fontSize = 65.sp),
color = Color.White
)
Text(
text = "Sunny",
style = TextStyle(fontSize = 16.sp),
color = Color.White
)
Row(
modifier = Modifier.fillMaxWidth(),
horizontalArrangement = Arrangement.SpaceBetween
) {
IconButton(
onClick = {

}
) {
Icon(
painter = painterResource(id = R.drawable.ic_search),
contentDescription = "im3",
tint = Color.White
)
}
Text(
text = "23ºC/12ºC",
style = TextStyle(fontSize = 16.sp),
color = Color.White
)
IconButton(
onClick = {

}
) {
Icon(
painter = painterResource(id = R.drawable.ic_sync),
contentDescription = "im4",
tint = Color.White
)
}
}
}
}
}
}

@OptIn(ExperimentalPagerApi::class)
@Composable
fun TabLayout(daysList: MutableState<List<WeatherModel>>) {
val tabList = listOf("HOURS", "DAYS")
val pagerState = rememberPagerState()
val tabIndex = pagerState.currentPage
val coroutineScope = rememberCoroutineScope()

Column(
modifier = Modifier
.padding(
start = 5.dp,
end = 5.dp
)
.clip(RoundedCornerShape(5.dp))
) {
TabRow(
selectedTabIndex = tabIndex,
indicator = { pos ->
TabRowDefaults.Indicator(
Modifier.pagerTabIndicatorOffset(pagerState, pos)
)
},
backgroundColor = BlueLight,
contentColor = Color.White
) {
tabList.forEachIndexed { index, text ->
Tab(
selected = false,
onClick = {
coroutineScope.launch {
pagerState.animateScrollToPage(index)
}
},
text = {
Text(text = text)
}
)
}
}
HorizontalPager(
count = tabList.size,
state = pagerState,
modifier = Modifier.weight(1.0f)
) { index ->
LazyColumn(
modifier = Modifier.fillMaxSize()
) {
itemsIndexed(
daysList.value
) { _, item ->
ListItem(item)
}
}
}
}
}

MainActivity

import android.content.Context
import android.os.Bundle
import android.util.Log
import androidx.activity.ComponentActivity
import androidx.activity.compose.setContent
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.Column
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.runtime.MutableState
import androidx.compose.runtime.mutableStateOf
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.draw.alpha
import androidx.compose.ui.layout.ContentScale
import androidx.compose.ui.res.painterResource
import com.android.volley.Request
import com.android.volley.toolbox.StringRequest
import com.android.volley.toolbox.Volley
import com.meter_alc_rgb.weatherappcomposey.data.WeatherModel
import com.meter_alc_rgb.weatherappcomposey.screens.ListItem
import com.meter_alc_rgb.weatherappcomposey.screens.MainCard
import com.meter_alc_rgb.weatherappcomposey.screens.TabLayout
import com.meter_alc_rgb.weatherappcomposey.ui.theme.WeatherAppComposeYTheme
import org.json.JSONObject

const val API_KEY = "Ваш API Key"
class MainActivity : ComponentActivity() {
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
setContent {
WeatherAppComposeYTheme {
val daysList = remember {
mutableStateOf(listOf<WeatherModel>())
}
getData("London", this, daysList)
Image(
painter = painterResource(
id = R.drawable.weather_bg
),
contentDescription = "im1",
modifier = Modifier
.fillMaxSize()
.alpha(0.5f),
contentScale = ContentScale.FillBounds
)
Column{
MainCard()
TabLayout(daysList)
}

}
}
}
}

private fun getData(city: String, context: Context, daysList: MutableState<List<WeatherModel>>){
val url = "https://api.weatherapi.com/v1/forecast.json?key=$API_KEY" +
"&q=$city" +
"&days=" +
"3" +
"&aqi=no&alerts=no"
val queue = Volley.newRequestQueue(context)
val sRequest = StringRequest(
Request.Method.GET,
url,
{
response ->
val list = getWeatherByDays(response)
daysList.value = list
},
{
Log.d("MyLog", "VolleyError: $it")
}
)
queue.add(sRequest)
}

private fun getWeatherByDays(response: String): List<WeatherModel>{
if (response.isEmpty()) return listOf()
val list = ArrayList<WeatherModel>()
val mainObject = JSONObject(response)
val city = mainObject.getJSONObject("location").getString("name")
val days = mainObject.getJSONObject("forecast").getJSONArray("forecastday")

for (i in 0 until days.length()){
val item = days[i] as JSONObject
list.add(
WeatherModel(
city,
item.getString("date"),
"",
item.getJSONObject("day").getJSONObject("condition")
.getString("text"),
item.getJSONObject("day").getJSONObject("condition")
.getString("icon"),
item.getJSONObject("day").getString("maxtemp_c"),
item.getJSONObject("day").getString("mintemp_c"),
item.getJSONArray("hour").toString()

)
)
}
list[0] = list[0].copy(
time = mainObject.getJSONObject("current").getString("last_updated"),
currentTemp = mainObject.getJSONObject("current").getString("temp_c"),
)
return list
}




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