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 ""

}

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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