Crear una aplicación en Android Studio con Kotlin para ver rutinas de entrenamientos con información sobre el entrenamiento | Operating systems, scripting, PowerShell and security

Android, Kotlin

Contenidos

AndroidManifest.xml
activity_main.xml
strings.xml
MainActivity.kt

AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools">

    <uses-permission android:name="android.permission.INTERNET" />

    <application
        android:allowBackup="true"
        android:dataExtractionRules="@xml/data_extraction_rules"
        android:fullBackupContent="@xml/backup_rules"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.MyApplication"
        tools:targetApi="31">
        <activity
            android:name=".MainActivity"
            android:exported="true"
            android:label="@string/app_name"
            android:theme="@style/Theme.MyApplication">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

<?xml version="1.0" encoding="utf-8"?>

<manifest xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools">

<uses-permission android:name="android.permission.INTERNET" />

<application

android:allowBackup="true"

android:dataExtractionRules="@xml/data_extraction_rules"

android:fullBackupContent="@xml/backup_rules"

android:icon="@mipmap/ic_launcher"

android:label="@string/app_name"

android:roundIcon="@mipmap/ic_launcher_round"

android:supportsRtl="true"

android:theme="@style/Theme.MyApplication"

tools:targetApi="31">

<activity

android:name=".MainActivity"

android:exported="true"

android:label="@string/app_name"

android:theme="@style/Theme.MyApplication">

<intent-filter>

</intent-filter>

</activity>

</application>

</manifest>

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <Spinner
        android:id="@+id/spinnerDays"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="50dp" />

    <TextView
        android:id="@+id/textViewRoutine"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@id/spinnerDays"
        android:layout_marginTop="50dp"
        android:textSize="18sp"
        android:textColor="#000000"
        android:layout_centerHorizontal="true" />

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout

xmlns:android="http://schemas.android.com/apk/res/android"

android:layout_width="match_parent"

android:layout_height="match_parent">

<Spinner

android:id="@+id/spinnerDays"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_centerHorizontal="true"

android:layout_marginTop="50dp" />

<TextView

android:id="@+id/textViewRoutine"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_below="@id/spinnerDays"

android:layout_marginTop="50dp"

android:textSize="18sp"

android:textColor="#000000"

android:layout_centerHorizontal="true" />

</RelativeLayout>

strings.xml

<resources>
    <string name="app_name">My Application</string>

    <string-array name="days_of_week">
        <item>Lunes</item>
        <item>Martes</item>
        <item>Miércoles</item>
        <item>Jueves</item>
        <item>Viernes</item>
        <item>Sábado</item>
        <item>Domingo</item>
    </string-array>
</resources>

<string name="app_name">My Application</string>

<string-array name="days_of_week">

<item>Lunes</item>

<item>Martes</item>

<item>Miércoles</item>

<item>Jueves</item>

<item>Viernes</item>

<item>Sábado</item>

<item>Domingo</item>

</string-array>

</resources>

MainActivity.kt

package com.example.myapplication

import android.os.Bundle
import android.view.View
import android.widget.AdapterView
import android.widget.ArrayAdapter
import android.widget.Spinner
import android.widget.TextView
import androidx.activity.ComponentActivity
import com.android.volley.Request
import com.android.volley.RequestQueue
import com.android.volley.Response
import com.android.volley.toolbox.Volley
import com.google.gson.Gson
import com.android.volley.toolbox.StringRequest
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import org.json.JSONArray
import org.json.JSONException

class MainActivity : ComponentActivity() {

    private lateinit var spinnerDays: Spinner
    private lateinit var textViewRoutine: TextView
    private lateinit var requestQueue: RequestQueue

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        spinnerDays = findViewById(R.id.spinnerDays)
        textViewRoutine = findViewById(R.id.textViewRoutine)

        requestQueue = Volley.newRequestQueue(this)

        val days = resources.getStringArray(R.array.days_of_week)
        val adapter = ArrayAdapter(this, android.R.layout.simple_spinner_item, days)
        adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)
        spinnerDays.adapter = adapter

        spinnerDays.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
            override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
                val url = "https://www.jesusninoc.com/rutinasp.json"
                jsonParse(url, position + 1)
            }

            override fun onNothingSelected(parent: AdapterView<*>?) {
                // No se realiza ninguna acción al no seleccionar nada en el Spinner
            }
        }
    }

    private fun jsonParse(url: String, day: Int) {
        val request = StringRequest(Request.Method.GET, url,
            Response.Listener { response ->
                try {
                    val jsonArray = JSONArray(response)

                    GlobalScope.launch(Dispatchers.Main) {
                        val routine = getRoutineForDay(response, day)
                        textViewRoutine.text = routine
                    }
                } catch (e: JSONException) {
                    e.printStackTrace()
                }
            },
            Response.ErrorListener { error ->
                error.printStackTrace()
            })

        requestQueue.add(request)
    }

    private suspend fun getRoutineForDay(response: String, day: Int): String {
        return withContext(Dispatchers.IO) {
            val gson = Gson()
            val routinesList = gson.fromJson(response, Array<Routine>::class.java)

            val dayRoutines = routinesList.filter { it.dia == day.toString() }
            val routines = StringBuilder()
            dayRoutines.forEach { routine ->
                routines.append("${routine.tipo}: ${routine.rutina}\n")
            }

            return@withContext routines.toString()
        }
    }


}

data class Routine(val dia: String, val tipo: String, val rutina: String)

package com.example.myapplication

import android.os.Bundle

import android.view.View

import android.widget.AdapterView

import android.widget.ArrayAdapter

import android.widget.Spinner

import android.widget.TextView

import androidx.activity.ComponentActivity

import com.android.volley.Request

import com.android.volley.RequestQueue

import com.android.volley.Response

import com.android.volley.toolbox.Volley

import com.google.gson.Gson

import com.android.volley.toolbox.StringRequest

import kotlinx.coroutines.Dispatchers

import kotlinx.coroutines.GlobalScope

import kotlinx.coroutines.launch

import kotlinx.coroutines.withContext

import org.json.JSONArray

import org.json.JSONException

class MainActivity : ComponentActivity() {

private lateinit var spinnerDays: Spinner

private lateinit var textViewRoutine: TextView

private lateinit var requestQueue: RequestQueue

override fun onCreate(savedInstanceState: Bundle?) {

super.onCreate(savedInstanceState)

setContentView(R.layout.activity_main)

spinnerDays = findViewById(R.id.spinnerDays)

textViewRoutine = findViewById(R.id.textViewRoutine)

requestQueue = Volley.newRequestQueue(this)

val days = resources.getStringArray(R.array.days_of_week)

val adapter = ArrayAdapter(this, android.R.layout.simple_spinner_item, days)

adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item)

spinnerDays.adapter = adapter

spinnerDays.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {

override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {

val url = "https://www.jesusninoc.com/rutinasp.json"

jsonParse(url, position + 1)

}

override fun onNothingSelected(parent: AdapterView<*>?) {

// No se realiza ninguna acción al no seleccionar nada en el Spinner

}

private fun jsonParse(url: String, day: Int) {

val request = StringRequest(Request.Method.GET, url,

Response.Listener { response ->

try {

val jsonArray = JSONArray(response)

GlobalScope.launch(Dispatchers.Main) {

val routine = getRoutineForDay(response, day)

textViewRoutine.text = routine

}

} catch (e: JSONException) {

e.printStackTrace()

}

Response.ErrorListener { error ->

error.printStackTrace()

})

requestQueue.add(request)

}

private suspend fun getRoutineForDay(response: String, day: Int): String {

return withContext(Dispatchers.IO) {

val gson = Gson()

val routinesList = gson.fromJson(response, Array<Routine>::class.java)

val dayRoutines = routinesList.filter { it.dia == day.toString() }

val routines = StringBuilder()

dayRoutines.forEach { routine ->

routines.append("${routine.tipo}: ${routine.rutina}\n")

}

return@withContext routines.toString()

}

data class Routine(val dia: String, val tipo: String, val rutina: String)

Crear una aplicación en Android Studio con Kotlin para ver rutinas de entrenamientos con información sobre el entrenamiento (Kotlin, Android)

AndroidManifest.xml

activity_main.xml

strings.xml

MainActivity.kt

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