Having trouble with building an Ionic3 project, getting the error message: "Execution failed for task ':app:processDebugResources'. > Failed to execute aapt"

My attempt to develop an android app in ionic 3 hit a roadblock when running 'ionic cordova build android' resulted in the error: Execution failed for task ':app:processDebugResources'. > Failed to execute aapt I have integrated plugins such as firebase

I have tried various solutions like modifying build.gradle by adding configurations.all, changing the order of jcenter(), creating a build-extra.gradle file, and removing the platform. However, none of these attempts were successful. Can someone please assist me?

Sharing my current build.gradle

buildscript {
    repositories {
        maven { url 'https://maven.fabric.io/public' } // Fabrics Maven repository from cordova-plugin-firebase
        maven {
            url "https://maven.google.com"
        }
        jcenter()
    }
    dependencies {

        configurations.all {
            resolutionStrategy.force 'com.android.support:support-v4:24.0.0'
        }

        classpath 'com.android.tools.build:gradle:3.0.0'
        classpath 'com.google.gms:google-services:4.1.0' // google-services dependency from cordova-plugin-firebase
        classpath 'io.fabric.tools:gradle:1.25.4' // fabric dependency from cordova-plugin-firebase
    }
}

allprojects {
    repositories {
        google() // Google's Maven repository from cordova-plugin-firebase
        maven {
            url "https://maven.google.com"
        }
        jcenter()
    }
    //This replaces project.properties w.r.t. build settings
    project.ext {
      defaultBuildToolsVersion="25.0.2" //String
      defaultMinSdkVersion=19 //Integer - Minimum requirement is Android 4.4
      defaultTargetSdkVersion=26 //Integer - We ALWAYS target the latest by default
      defaultCompileSdkVersion=26 //Integer - We ALWAYS compile with the latest by default
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

Prior to making adjustments, I encountered an issue related to support-android-v4.

Answer №1

I'm sure you've already searched on StackOverflow for some solutions to this issue, but unfortunately we don't have enough data to provide a fix. In line with other similar posts, have you considered trying the following changes:

Simply add the following code snippet to your build-extras.gradle:

configurations.all {
    resolutionStrategy {
        force 'com.android.support:support-v4:27.1.0'
    }
}

For more information, you can visit:

Answer №2

Recently, Google rolled out a significant update that now requires a minimum sdkversion=28. As a result, it is necessary to upgrade the android cordova platform to version 8.0.0. To do this, you can utilize the command line by first removing the existing platform with:

cordova platform remove android

Afterwards, add the new platform using:

cordova platform add <a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="6a0b040e1805030e2a52445a445a">[email protected]</a>

Once the new platform is successfully installed, the quickest way to migrate is by opening the android platform in android studio. Navigate to the top menu bar and select refactor --> Migrate to AndroidX. This process should resolve any issues relating to class paths due to the latest Google update.

Lastly, remember to include the following lines in the gradle.properties file of your android project:

android.useAndroidX=true
android.enableJetifier=true

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