Crear una aplicación en Android Studio que permita leer un fichero JSON con tareas que hay que hacer cada día de la semana | Operating systems, scripting, PowerShell and security

Android, Automatización, Kotlin, Lo mejor

Contenidos

AndroidManifest.xml
activity_main.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">

    <TextView
        android:id="@+id/taskTextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Tarea para el día"
        android:layout_centerInParent="true"
        android:textSize="30sp" />

</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">

<TextView

android:id="@+id/taskTextView"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="Tarea para el día"

android:layout_centerInParent="true"

android:textSize="30sp" />

</RelativeLayout>

MainActivity.kt

package com.example.myapplication

import android.os.Bundle
import android.widget.TextView
import androidx.activity.ComponentActivity
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.GlobalScope
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import org.json.JSONArray
import java.io.BufferedReader
import java.io.InputStreamReader
import java.net.HttpURLConnection
import java.net.URL
import java.util.*

class MainActivity : ComponentActivity() {

    private lateinit var taskTextView: TextView

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

        taskTextView = findViewById(R.id.taskTextView)

        // Obtiene el día actual del mes
        val dayOfMonth = Calendar.getInstance().get(Calendar.DAY_OF_MONTH).toString()

        // Obtener la tarea correspondiente al día actual de manera asíncrona
        GlobalScope.launch(Dispatchers.IO) {
            val task = getTaskForDay("https://www.jesusninoc.com/tareas.json", dayOfMonth)
            withContext(Dispatchers.Main) {
                taskTextView.text = "$task"
            }
        }
    }

    private suspend fun getTaskForDay(urlString: String, dayToCheck: String): String {
        val url = URL(urlString)
        val connection = url.openConnection() as HttpURLConnection
        val bufferedReader = BufferedReader(InputStreamReader(connection.inputStream))
        val response = StringBuilder()

        var line: String?
        while (bufferedReader.readLine().also { line = it } != null) {
            response.append(line)
        }

        val jsonArray = JSONArray(response.toString())
        for (i in 0 until jsonArray.length()) {
            val jsonObject = jsonArray.getJSONObject(i)
            if (jsonObject.getString("dia") == dayToCheck) {
                return jsonObject.getString("tarea")
            }
        }

        return ""
    }
}

package com.example.myapplication

import android.os.Bundle

import android.widget.TextView

import androidx.activity.ComponentActivity

import kotlinx.coroutines.Dispatchers

import kotlinx.coroutines.GlobalScope

import kotlinx.coroutines.launch

import kotlinx.coroutines.withContext

import org.json.JSONArray

import java.io.BufferedReader

import java.io.InputStreamReader

import java.net.HttpURLConnection

import java.net.URL

import java.util.*

class MainActivity : ComponentActivity() {

private lateinit var taskTextView: TextView

override fun onCreate(savedInstanceState: Bundle?) {

super.onCreate(savedInstanceState)

setContentView(R.layout.activity_main)

taskTextView = findViewById(R.id.taskTextView)

// Obtiene el día actual del mes

val dayOfMonth = Calendar.getInstance().get(Calendar.DAY_OF_MONTH).toString()

// Obtener la tarea correspondiente al día actual de manera asíncrona

GlobalScope.launch(Dispatchers.IO) {

val task = getTaskForDay("https://www.jesusninoc.com/tareas.json", dayOfMonth)

withContext(Dispatchers.Main) {

taskTextView.text = "$task"

}

private suspend fun getTaskForDay(urlString: String, dayToCheck: String): String {

val url = URL(urlString)

val connection = url.openConnection() as HttpURLConnection

val bufferedReader = BufferedReader(InputStreamReader(connection.inputStream))

val response = StringBuilder()

var line: String?

while (bufferedReader.readLine().also { line = it } != null) {

response.append(line)

}

val jsonArray = JSONArray(response.toString())

for (i in 0 until jsonArray.length()) {

val jsonObject = jsonArray.getJSONObject(i)

if (jsonObject.getString("dia") == dayToCheck) {

return jsonObject.getString("tarea")

}

return ""

}

Publicado el día 3 de diciembre de 2023

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Android, Automatización, Kotlin, Lo mejor

Crear una aplicación en Android Studio que permita leer un fichero JSON con tareas que hay que hacer cada día de la semana (Lo mejor, Kotlin, Automatización, Android)

AndroidManifest.xml

activity_main.xml

MainActivity.kt

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