Contenidos
build.gradle.kts
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plugins { id("com.android.application") id("org.jetbrains.kotlin.android") } android { namespace = "com.example.myapplication" compileSdk = 34 defaultConfig { applicationId = "com.example.myapplication" minSdk = 33 targetSdk = 34 versionCode = 1 versionName = "1.0" testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" vectorDrawables { useSupportLibrary = true } } buildTypes { release { isMinifyEnabled = false proguardFiles( getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro" ) } } compileOptions { sourceCompatibility = JavaVersion.VERSION_1_8 targetCompatibility = JavaVersion.VERSION_1_8 } kotlinOptions { jvmTarget = "1.8" } buildFeatures { compose = true } composeOptions { kotlinCompilerExtensionVersion = "1.4.3" } packaging { resources { excludes += "/META-INF/{AL2.0,LGPL2.1}" } } } dependencies { implementation("androidx.core:core-ktx:1.9.0") implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.7.0") implementation("androidx.activity:activity-compose:1.8.2") implementation(platform("androidx.compose:compose-bom:2023.03.00")) implementation("androidx.compose.ui:ui") implementation("androidx.compose.ui:ui-graphics") implementation("androidx.compose.ui:ui-tooling-preview") implementation("androidx.compose.material3:material3") testImplementation("junit:junit:4.13.2") androidTestImplementation("androidx.test.ext:junit:1.1.5") androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1") androidTestImplementation(platform("androidx.compose:compose-bom:2023.03.00")) androidTestImplementation("androidx.compose.ui:ui-test-junit4") debugImplementation("androidx.compose.ui:ui-tooling") debugImplementation("androidx.compose.ui:ui-test-manifest") implementation("androidx.compose.ui:ui:1.0.0") implementation("androidx.compose.material:material:1.0.0") } |
MainActivity.kt
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package com.example.myapplication import android.os.Bundle import androidx.activity.ComponentActivity import androidx.activity.compose.setContent import androidx.compose.foundation.layout.* import androidx.compose.material.Button import androidx.compose.material.MaterialTheme import androidx.compose.material.Surface import androidx.compose.material.Text import androidx.compose.runtime.* import androidx.compose.ui.Alignment import androidx.compose.ui.Modifier import androidx.compose.ui.tooling.preview.Preview import androidx.compose.ui.unit.dp import java.util.UUID class MainActivity : ComponentActivity() { override fun onCreate(savedInstanceState: Bundle?) { super.onCreate(savedInstanceState) setContent { MyApp { MyScreenContent() } } } } @Composable fun MyApp(content: @Composable () -> Unit) { Surface(color = MaterialTheme.colors.background) { content() } } @Composable fun MyScreenContent() { var uniqueId by remember { mutableStateOf("") } Column( modifier = Modifier .fillMaxSize() .padding(16.dp), verticalArrangement = Arrangement.Center, horizontalAlignment = Alignment.CenterHorizontally ) { Button(onClick = { uniqueId = generarUUID() }) { Text(text = "Generar Identificador Único") } Spacer(modifier = Modifier.height(16.dp)) Text(text = "Identificador Único:") Spacer(modifier = Modifier.height(8.dp)) Text(text = uniqueId) } } fun generarUUID(): String { val uuid = UUID.randomUUID() return uuid.toString() } |