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| Original file line number | Diff line number | Diff line change |
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| # CAVA on android | ||
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| ## FFTW3 | ||
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| To build cava on android you need to get the fftw3 library. | ||
| Luckily someone has made a repository for compiling FFTW3 on Android. | ||
| Just make sure ndk-build is in your path before running the build script. | ||
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| ``` | ||
| git clone https://github.com/Lauszus/fftw3-android | ||
| cd fftw3-android | ||
| ./build.sh | ||
| ``` | ||
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| By default we will look for the fftw3 lib in a folder called fftw3-android besides the cava dir: | ||
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| ``` | ||
| ./ | ||
| ../ | ||
| cava/ | ||
| fftw3-android/ | ||
| ``` | ||
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| Edit the cmake argument in the app gradle file for setting it to some other place. |
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| import com.android.build.api.dsl.LintOptions | ||
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| plugins { | ||
| id("com.android.application") | ||
| id("org.jetbrains.kotlin.android") | ||
| } | ||
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| android { | ||
| signingConfigs { | ||
| getByName("debug") { | ||
| storeFile = file("../keystore.jks") | ||
| storePassword = "cava123" | ||
| keyPassword = "cava123" | ||
| keyAlias = "key0" | ||
| } | ||
| create("release") { | ||
| storeFile = file("../keystore.jks") | ||
| storePassword = "cava123" | ||
| keyPassword = "cava123" | ||
| keyAlias = "key0" | ||
| } | ||
| } | ||
| namespace = "com.karlstav.cava" | ||
| compileSdk = 33 | ||
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| defaultConfig { | ||
| applicationId = "com.karlstav.cava" | ||
| minSdk = 30 | ||
| targetSdk = 33 | ||
| versionCode = 14 | ||
| versionName = "@string/app_ver" | ||
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| testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" | ||
| vectorDrawables { | ||
| useSupportLibrary = true | ||
| } | ||
| /* | ||
| ndk { | ||
| abiFilters += listOf("arm64-v8a") | ||
| } | ||
| */ | ||
| externalNativeBuild { | ||
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| // For ndk-build, instead use the ndkBuild block. | ||
| cmake { | ||
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| // Passes optional arguments to CMake. | ||
| arguments("-DFFTW_DIR=${projectDir}/../../../fftw3-android") | ||
| } | ||
| } | ||
| } | ||
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| buildTypes { | ||
| release { | ||
| isMinifyEnabled = false | ||
| proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro") | ||
| isDebuggable = false | ||
| signingConfig = signingConfigs.getByName("release") | ||
| } | ||
| } | ||
| // Encapsulates your external native build configurations. | ||
| externalNativeBuild { | ||
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| // Encapsulates your CMake build configurations. | ||
| cmake { | ||
| // Provides a relative path to your CMake build script. | ||
| path = file("../../CMakeLists.txt") | ||
| } | ||
| } | ||
| 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}" | ||
| } | ||
| } | ||
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| } | ||
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| dependencies { | ||
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| implementation("androidx.core:core-ktx:1.9.0") | ||
| implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.1") | ||
| implementation("androidx.activity:activity-compose:1.7.0") | ||
| implementation ("androidx.appcompat:appcompat:1.3.1") | ||
| implementation("androidx.preference:preference-ktx:1.2.0") | ||
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| 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") | ||
| } |
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| @@ -0,0 +1,21 @@ | ||
| # Add project specific ProGuard rules here. | ||
| # You can control the set of applied configuration files using the | ||
| # proguardFiles setting in build.gradle. | ||
| # | ||
| # For more details, see | ||
| # http://developer.android.com/guide/developing/tools/proguard.html | ||
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| # If your project uses WebView with JS, uncomment the following | ||
| # and specify the fully qualified class name to the JavaScript interface | ||
| # class: | ||
| #-keepclassmembers class fqcn.of.javascript.interface.for.webview { | ||
| # public *; | ||
| #} | ||
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| # Uncomment this to preserve the line number information for | ||
| # debugging stack traces. | ||
| #-keepattributes SourceFile,LineNumberTable | ||
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| # If you keep the line number information, uncomment this to | ||
| # hide the original source file name. | ||
| #-renamesourcefileattribute SourceFile |
41 changes: 41 additions & 0 deletions
41
cavandroid/app/src/androidTest/java/com/example/cava/CavaCoreTest.kt
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| package com.karlstav.cava | ||
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| import androidx.test.ext.junit.runners.AndroidJUnit4 | ||
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| import org.junit.Test | ||
| import org.junit.runner.RunWith | ||
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| import org.junit.Assert.* | ||
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| /** | ||
| * Instrumented test, which will execute on an Android device. | ||
| * | ||
| * See [testing documentation](http://d.android.com/tools/testing). | ||
| */ | ||
| @RunWith(AndroidJUnit4::class) | ||
| class CavaCoreTest { | ||
| external fun InitCava(pInt: Int): Int | ||
| external fun ExecCava(pDoubleArray: DoubleArray, pInt: Int): DoubleArray | ||
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| @Test | ||
| fun cavaExec_null_test() { | ||
| System.loadLibrary("cavacore") | ||
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| val numberOfBars = 10 | ||
| val cavaData = DoubleArray(256) | ||
| val barsData = FloatArray(10) | ||
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| for (i in 0 until 256) { | ||
| cavaData[i] = 0.0 | ||
| } | ||
| val rc = InitCava(numberOfBars) | ||
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| var cavaOut = ExecCava(cavaData, 256); | ||
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| for (i in 0 until numberOfBars) { | ||
| assertEquals(0.0f, barsData[0]) | ||
| } | ||
| } | ||
| } |
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