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adamff-devadamff-dev
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Add feature to export/import all shared preferences
1 parent 51c852f commit de4a6d6

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5 files changed

+196
-14
lines changed

5 files changed

+196
-14
lines changed

‎app/src/main/java/com/addev/listaspam/SettingsActivity.kt‎

Lines changed: 153 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -1,10 +1,39 @@
11
package com.addev.listaspam
22

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import android.content.Context
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import android.net.Uri
35
import android.os.Bundle
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import android.widget.Button
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import android.widget.Toast
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import androidx.activity.result.contract.ActivityResultContracts
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import androidx.appcompat.app.AppCompatActivity
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import androidx.preference.PreferenceFragmentCompat
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import org.json.JSONArray
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import org.json.JSONException
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import org.json.JSONObject
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import java.io.File
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class SettingsActivity : AppCompatActivity() {
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private val exportFileLauncher = registerForActivityResult(ActivityResultContracts.CreateDocument("application/json")) { uri: Uri? ->
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uri?.let {
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if (exportAllSharedPreferences(it)) {
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Toast.makeText(this, "Preferencias exportadas con éxito", Toast.LENGTH_SHORT).show()
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} else {
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Toast.makeText(this, "Error al exportar preferencias", Toast.LENGTH_SHORT).show()
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}
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}
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}
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private val importFileLauncher = registerForActivityResult(ActivityResultContracts.OpenDocument()) { uri: Uri? ->
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uri?.let {
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if (importAllSharedPreferences(it)) {
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Toast.makeText(this, "Preferencias importadas con éxito", Toast.LENGTH_SHORT).show()
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} else {
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Toast.makeText(this, "Error al importar preferencias", Toast.LENGTH_SHORT).show()
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}
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}
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}
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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setContentView(R.layout.activity_settings)
@@ -13,6 +42,17 @@ class SettingsActivity : AppCompatActivity() {
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.beginTransaction()
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.replace(R.id.settings_container, SettingsFragment())
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.commit()
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val exportButton: Button = findViewById(R.id.btn_export)
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val importButton: Button = findViewById(R.id.btn_import)
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exportButton.setOnClickListener {
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exportFileLauncher.launch("backup_prefs.json")
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}
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importButton.setOnClickListener {
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importFileLauncher.launch(arrayOf("application/json"))
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}
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}
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// Fragmento para cargar las preferencias
@@ -21,4 +61,117 @@ class SettingsActivity : AppCompatActivity() {
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setPreferencesFromResource(R.xml.preferences, rootKey)
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}
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}
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private fun exportAllSharedPreferences(uri: Uri): Boolean {
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return try {
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val prefsDir = File(applicationInfo.dataDir, "shared_prefs")
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val files = prefsDir.listFiles()
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val jsonObject = JSONObject()
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files?.forEach { file ->
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val prefName = file.nameWithoutExtension
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val sharedPreferences = getSharedPreferences(prefName, Context.MODE_PRIVATE)
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val allEntries: Map<String, *> = sharedPreferences.all
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val prefJsonObject = JSONObject()
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for ((key, value) in allEntries) {
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when (value) {
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is Set<*> -> {
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val jsonArray = JSONArray(value)
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prefJsonObject.put(key, jsonArray)
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}
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else -> prefJsonObject.put(key, value)
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}
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}
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jsonObject.put(prefName, prefJsonObject)
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}
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contentResolver.openOutputStream(uri)?.use { outputStream ->
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outputStream.write(jsonObject.toString().toByteArray())
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}
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true
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} catch (e: Exception) {
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e.printStackTrace()
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false
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}
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}
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private fun importAllSharedPreferences(uri: Uri): Boolean {
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return try {
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contentResolver.openInputStream(uri)?.use { inputStream ->
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val jsonString = inputStream.bufferedReader().use { it.readText() }
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val jsonObject = JSONObject(jsonString)
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// Validar el archivo JSON antes de importar
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if (!isValidSharedPreferencesJson(jsonObject)) {
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Toast.makeText(this, "El archivo JSON no es válido", Toast.LENGTH_SHORT).show()
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return false
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}
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for (prefName in jsonObject.keys()) {
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val sharedPreferences = getSharedPreferences(prefName, Context.MODE_PRIVATE)
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val editor = sharedPreferences.edit()
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val prefJsonObject = jsonObject.getJSONObject(prefName)
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for (key in prefJsonObject.keys()) {
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val value = prefJsonObject.get(key)
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when (value) {
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is JSONArray -> {
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val set = mutableSetOf<String>()
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for (i in 0 until value.length()) {
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set.add(value.getString(i))
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}
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editor.putStringSet(key, set)
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}
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is Int -> editor.putInt(key, value)
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is Long -> editor.putLong(key, value)
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is Float -> editor.putFloat(key, value)
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is Boolean -> editor.putBoolean(key, value)
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is String -> editor.putString(key, value)
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else -> throw IllegalArgumentException("Tipo no soportado")
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}
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}
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editor.apply()
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}
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}
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true
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} catch (e: Exception) {
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e.printStackTrace()
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false
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}
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}
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private fun isValidSharedPreferencesJson(jsonObject: JSONObject): Boolean {
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return try {
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for (prefName in jsonObject.keys()) {
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val prefJsonObject = jsonObject.getJSONObject(prefName)
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// Verificar cada valor en las SharedPreferences
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for (key in prefJsonObject.keys()) {
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val value = prefJsonObject.get(key)
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when (value) {
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is JSONArray -> {
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// Verificar que el JSONArray contiene solo Strings
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for (i in 0 until value.length()) {
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if (value.get(i) !is String) {
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return false
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}
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}
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}
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is Int, is Long, is Float, is Boolean, is String -> {
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// Tipos válidos, no hacer nada
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}
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else -> {
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return false
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}
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}
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}
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}
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true
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} catch (e: JSONException) {
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e.printStackTrace()
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false
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}
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}
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}

‎app/src/main/java/com/addev/listaspam/fragment/SettingsFragment.kt‎

Lines changed: 0 additions & 11 deletions
This file was deleted.

‎app/src/main/java/com/addev/listaspam/util/ExportImportUtils.kt‎

Lines changed: 9 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,9 @@
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package com.addev.listaspam.util
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import android.content.Context
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import android.content.SharedPreferences
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import org.json.JSONObject
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import java.io.File
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import java.io.FileInputStream
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import java.io.FileOutputStream
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‎app/src/main/res/layout/activity_settings.xml‎

Lines changed: 33 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -1,5 +1,36 @@
11
<?xml version="1.0" encoding="utf-8"?>
2-
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
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<LinearLayout
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xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical">
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<FrameLayout
311
android:id="@+id/settings_container"
412
android:layout_width="match_parent"
5-
android:layout_height="match_parent" />
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android:layout_height="wrap_content" />
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<LinearLayout
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical"
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android:padding="16dp"
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android:gravity="center">
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<Button
23+
android:id="@+id/btn_export"
24+
android:layout_width="wrap_content"
25+
android:layout_height="wrap_content"
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android:text="Exportar configuración y listas" />
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<Button
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android:id="@+id/btn_import"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="Importar configuración y listas"
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android:layout_marginTop="16dp" />
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</LinearLayout>
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</LinearLayout>

‎app/src/main/res/values/themes.xml‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
<resources xmlns:tools="http://schemas.android.com/tools">
22
<!-- Base application theme. -->
3-
<style name="Base.Theme.ListaSpam" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
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<style name="Base.Theme.ListaSpam" parent="Theme.MaterialComponents.DayNight">
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<!-- Customize your light theme here. -->
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<item name="colorPrimary">@color/black</item>
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</style>

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