Android 更新后应用无法运行并显示错误 flutter

Question

A problem occurred configuring root project 'android'.

Could not resolve all artifacts for configuration ':classpath'. Could not resolve com.android.tools.build.gradle:4.1.0. Required by: project: > Could not resolve com.android.tools.build.gradle:4.1.0. > Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build.gradle/4.1.0/gradle-4.1.0.pom'. > Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build.gradle/4.1.0/gradle-4.1.0.pom'. > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Could not resolve com.google.android.libraries.mapsplatform.secrets-gradle-plugin:secrets-gradle-plugin:1.3.0. Required by: project: > Could not resolve com.google.android.libraries.mapsplatform.secrets-gradle-plugin:secrets-gradle-plugin:1.3.0. > Could not get resource 'https://dl.google.com/dl/android/maven2/com/google/android/libraries/mapsplatform/secrets-gradle-plugin/secrets-gradle-plugin/1.3.0/secrets-gradle-plugin-1.3.0.pom'. > Could not GET 'https://dl.google.com/dl/android/maven2/com/google/android/libraries/mapsplatform/secrets-gradle-plugin/secrets-gradle-plugin/1.3.0/secrets-gradle-plugin-1.3.0.pom'. > sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target Could not resolve com.google.gms:google-services:4.3.3. Required by: project: > Could not resolve com.google.gms:google-services:4.3.3. > Could not get resource 'https://dl.google.com/dl/android/maven2/com/google/gms/google-services/4.3.3/google-services-4.3.3.pom'. > Could not GET 'https://dl.google.com/dl/android/maven2/com/google/gms/google-services/4.3.3/google-services-4.3.3.pom'.

Answer 1

Try

flutter clean

And then,

flutter pub get

Make sure you have a good inte.net connection.

If this doesn't work,

Delete pubspec.lock file and run the above commands again.