libpdfviewer/app/build.gradle

plugins {
    id "com.android.application"
}

android {
    compileSdkVersion 31
    buildToolsVersion "31.0.0"
    defaultConfig {
        applicationId "org.grapheneos.pdfviewer"
        minSdkVersion 26
        targetSdkVersion 31
        versionCode 6
        versionName versionCode.toString()
        resConfigs "en"
    }

    signingConfigs {
        release
    }
    buildTypes {
        debug {
            applicationIdSuffix ".debug"
        }
        release {
            minifyEnabled true
            shrinkResources true
            proguardFiles getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro"
            signingConfig signingConfigs.release
        }
    }
    compileOptions {
        sourceCompatibility JavaVersion.VERSION_11
        targetCompatibility JavaVersion.VERSION_11
    }
}

dependencies {
    implementation fileTree(include: ["*.jar"], dir: "libs")
    implementation "androidx.appcompat:appcompat:1.3.1"
    implementation "com.google.android.material:material:1.4.0"
}

def props = new Properties()
def propFile = new File("signing.properties")

if (propFile.canRead()) {
    props.load(new FileInputStream(propFile))

    if (props != null &&
            props.containsKey("STORE_FILE")     &&
            props.containsKey("STORE_PASSWORD") &&
            props.containsKey("KEY_ALIAS")      &&
            props.containsKey("KEY_PASSWORD")) {
        android.signingConfigs.release.storeFile = rootProject.file(props["STORE_FILE"])
        android.signingConfigs.release.storePassword = props["STORE_PASSWORD"]
        android.signingConfigs.release.keyAlias = props["KEY_ALIAS"]
        android.signingConfigs.release.keyPassword = props["KEY_PASSWORD"]
    } else {
        println "signing.properties found but some entries are missing"
        android.buildTypes.release.signingConfig = null
    }
} else {
    println "signing.properties not found"
    android.buildTypes.release.signingConfig = null
}