In Android Studio Giving Warning of Mapping New ns to old ns

Question

When I trying to run the app or Rebuid it, Gives following errors.

(I m trying run or Rebuild old project in new Android Studio and SDK)

Warning: Mapping new ns http://schemas.android.com/repository/android/common/02 to old ns http:/ /schemas.android.com/repository/android/common/01 Warning: Mapping new ns http://schemas.android.com/repository/android/generic/02 to old ns http:/ /schemas.android.com/repository/android/generic/01 Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/addon2/02 to old ns http:/ /schemas.android.com/sdk/android/repo/addon2/01 Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/repository2/02 to old ns http:/ /schemas.android.com/sdk/android/repo/repository2/01 Warning: Mapping new ns http://schemas.android.com/sdk/android/repo/sys-img2/02 to old ns http:/ /schemas.android.com/sdk/android/repo/sys-img2/01

My Build Gradle is Like following;

apply plugin: 'com.android.application'

android {
    compileSdkVersion 30
    buildToolsVersion '30.0.2'
    defaultConfig {
        applicationId "com.etas.etas"
        minSdkVersion 16
        targetSdkVersion 30
        versionCode 1
        versionName "1.0"
        testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
    }
    buildTypes {
        release {
            minifyEnabled false
            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
        }
    }
}

dependencies {
    //noinspection GradleDependency
    implementation fileTree(include: ['*.jar'], dir: 'libs')
    implementation files('libs/jtds-1.2.7.jar')
    implementation files('libs/ksoap.jar')
    implementation 'com.android.support:appcompat-v7:30.2'
    implementation 'androidx.appcompat:appcompat:1.3.1'
    implementation 'com.android.support:design:30.2'
    implementation 'com.google.firebase:firebase-appindexing:20.0.0'
    implementation 'com.android.support:support-v4:30.2'
}

`

Answer 1

Try upgrading your Gradle plugin to the latest one.

1. Go to path/to/your/flutter_app/android/build.gradle and inside the dependencies block in buildscript you have to update your old build Gradle to the latest one.
2. Also update Gradle distributionUrl in path/to/your/flutter_app/android/gradle/wrapper/gradle-wrapper.properties file to the same version you updated to
3. Clean your flutter project using flutter clean
4. Run your project again

Answer 2

Try deleting and reinstalling the SDK platforms.

Delete the folders in

if you are Linux user:

 ~/Android/Sdk/platforms

if you are Windows user:

C:\Users\USERNAME\AppData\Local\Android\Sdk

and download the SDKs you need.