when i start my emulator the following error is shown
Launching lib\main.dart on Android SDK built for x86 in debug mode...
Running Gradle task 'assembleDebug'...
FAILURE: Build failed with an exception.
- What went wrong:
A problem occurred configuring root project 'android'.
Could not resolve all artifacts for configuration ':classpath'.
Could not resolve com.android.tools.build:gradle-api:3.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.lint:lint-gradle-api:26.5.0
> Could not resolve com.android.tools.build:gradle-api:3.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle-api/3.5.0/gradle-api-3.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/gradle-api/3.5.0/gradle-api-3.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools.build:gradle-api:3.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/gradle-api/3.5.0/gradle-api-3.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/build/gradle-api/3.5.0/gradle-api-3.5.0.pom'.
> jcenter.bintray.com
Could not resolve org.ow2.asm:asm:6.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve org.ow2.asm:asm:6.0.
> Could not get resource 'https://jcenter.bintray.com/org/ow2/asm/asm/6.0/asm-6.0.pom'.
> Could not HEAD 'https://jcenter.bintray.com/org/ow2/asm/asm/6.0/asm-6.0.pom'.
> jcenter.bintray.com
> Could not resolve org.ow2.asm:asm:6.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/ow2/asm/asm/6.0/asm-6.0.pom'.
> Could not HEAD 'https://dl.google.com/dl/android/maven2/org/ow2/asm/asm/6.0/asm-6.0.pom'.
> dl.google.com
Could not resolve org.ow2.asm:asm-analysis:6.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0
> Could not resolve org.ow2.asm:asm-analysis:6.0.
> Could not get resource 'https://jcenter.bintray.com/org/ow2/asm/asm-analysis/6.0/asm-analysis-6.0.pom'.
> Could not HEAD 'https://jcenter.bintray.com/org/ow2/asm/asm-analysis/6.0/asm-analysis-6.0.pom'.
> jcenter.bintray.com
> Could not resolve org.ow2.asm:asm-analysis:6.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/ow2/asm/asm-analysis/6.0/asm-analysis-6.0.pom'.
> Could not HEAD 'https://dl.google.com/dl/android/maven2/org/ow2/asm/asm-analysis/6.0/asm-analysis-6.0.pom'.
> dl.google.com
Could not resolve org.ow2.asm:asm-commons:6.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve org.ow2.asm:asm-commons:6.0.
> Could not get resource 'https://jcenter.bintray.com/org/ow2/asm/asm-commons/6.0/asm-commons-6.0.pom'.
> Could not HEAD 'https://jcenter.bintray.com/org/ow2/asm/asm-commons/6.0/asm-commons-6.0.pom'.
> jcenter.bintray.com
> Could not resolve org.ow2.asm:asm-commons:6.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/ow2/asm/asm-commons/6.0/asm-commons-6.0.pom'.
> Could not HEAD 'https://dl.google.com/dl/android/maven2/org/ow2/asm/asm-commons/6.0/asm-commons-6.0.pom'.
> dl.google.com
Could not resolve org.ow2.asm:asm-util:6.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve org.ow2.asm:asm-util:6.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/ow2/asm/asm-util/6.0/asm-util-6.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/org/ow2/asm/asm-util/6.0/asm-util-6.0.pom'.
> dl.google.com
> Could not resolve org.ow2.asm:asm-util:6.0.
> Could not get resource 'https://jcenter.bintray.com/org/ow2/asm/asm-util/6.0/asm-util-6.0.pom'.
> Could not GET 'https://jcenter.bintray.com/org/ow2/asm/asm-util/6.0/asm-util-6.0.pom'.
> jcenter.bintray.com
Could not resolve net.sf.jopt-simple:jopt-simple:4.9.
Required by:
project : > com.android.tools.build:gradle:3.5.0
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve net.sf.jopt-simple:jopt-simple:4.9.
> Could not get resource 'https://dl.google.com/dl/android/maven2/net/sf/jopt-simple/jopt-simple/4.9/jopt-simple-4.9.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/net/sf/jopt-simple/jopt-simple/4.9/jopt-simple-4.9.pom'.
> dl.google.com
> Could not resolve net.sf.jopt-simple:jopt-simple:4.9.
> Could not get resource 'https://jcenter.bintray.com/net/sf/jopt-simple/jopt-simple/4.9/jopt-simple-4.9.pom'.
> Could not GET 'https://jcenter.bintray.com/net/sf/jopt-simple/jopt-simple/4.9/jopt-simple-4.9.pom'.
> jcenter.bintray.com
Could not resolve net.sf.proguard:proguard-gradle:6.0.3.
Required by:
project : > com.android.tools.build:gradle:3.5.0
> Could not resolve net.sf.proguard:proguard-gradle:6.0.3.
> Could not get resource 'https://dl.google.com/dl/android/maven2/net/sf/proguard/proguard-gradle/6.0.3/proguard-gradle-6.0.3.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/net/sf/proguard/proguard-gradle/6.0.3/proguard-gradle-6.0.3.pom'.
> dl.google.com
> Could not resolve net.sf.proguard:proguard-gradle:6.0.3.
> Could not get resource 'https://jcenter.bintray.com/net/sf/proguard/proguard-gradle/6.0.3/proguard-gradle-6.0.3.pom'.
> Could not GET 'https://jcenter.bintray.com/net/sf/proguard/proguard-gradle/6.0.3/proguard-gradle-6.0.3.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools.build:bundletool:0.9.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0
> Could not resolve com.android.tools.build:bundletool:0.9.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/bundletool/0.9.0/bundletool-0.9.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/bundletool/0.9.0/bundletool-0.9.0.pom'.
> dl.google.com
> Could not resolve com.android.tools.build:bundletool:0.9.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/bundletool/0.9.0/bundletool-0.9.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/build/bundletool/0.9.0/bundletool-0.9.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools.build.jetifier:jetifier-core:1.0.0-beta04.
Required by:
project : > com.android.tools.build:gradle:3.5.0
project : > com.android.tools.build:gradle:3.5.0 > androidx.databinding:databinding-compiler-common:3.5.0
> Could not resolve com.android.tools.build.jetifier:jetifier-core:1.0.0-beta04.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/jetifier/jetifier-core/1.0.0-beta04/jetifier-core-1.0.0-beta04.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/jetifier/jetifier-core/1.0.0-beta04/jetifier-core-1.0.0-beta04.pom'.
> dl.google.com
> Could not resolve com.android.tools.build.jetifier:jetifier-core:1.0.0-beta04.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/jetifier/jetifier-core/1.0.0-beta04/jetifier-core-1.0.0-beta04.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/build/jetifier/jetifier-core/1.0.0-beta04/jetifier-core-1.0.0-beta04.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools.build.jetifier:jetifier-processor:1.0.0-beta04.
Required by:
project : > com.android.tools.build:gradle:3.5.0
> Could not resolve com.android.tools.build.jetifier:jetifier-processor:1.0.0-beta04.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/jetifier/jetifier-processor/1.0.0-beta04/jetifier-processor-1.0.0-beta04.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/jetifier/jetifier-processor/1.0.0-beta04/jetifier-processor-1.0.0-beta04.pom'.
> dl.google.com
> Could not resolve com.android.tools.build.jetifier:jetifier-processor:1.0.0-beta04.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/jetifier/jetifier-processor/1.0.0-beta04/jetifier-processor-1.0.0-beta04.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/build/jetifier/jetifier-processor/1.0.0-beta04/jetifier-processor-1.0.0-beta04.pom'.
> jcenter.bintray.com
Could not resolve com.google.protobuf:protobuf-java:3.4.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0
> Could not resolve com.google.protobuf:protobuf-java:3.4.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/google/protobuf/protobuf-java/3.4.0/protobuf-java-3.4.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/google/protobuf/protobuf-java/3.4.0/protobuf-java-3.4.0.pom'.
> dl.google.com
> Could not resolve com.google.protobuf:protobuf-java:3.4.0.
> Could not get resource 'https://jcenter.bintray.com/com/google/protobuf/protobuf-java/3.4.0/protobuf-java-3.4.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/google/protobuf/protobuf-java/3.4.0/protobuf-java-3.4.0.pom'.
> jcenter.bintray.com
Could not resolve com.google.protobuf:protobuf-java-util:3.4.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0
> Could not resolve com.google.protobuf:protobuf-java-util:3.4.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/google/protobuf/protobuf-java-util/3.4.0/protobuf-java-util-3.4.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/google/protobuf/protobuf-java-util/3.4.0/protobuf-java-util-3.4.0.pom'.
> dl.google.com
> Could not resolve com.google.protobuf:protobuf-java-util:3.4.0.
> Could not get resource 'https://jcenter.bintray.com/com/google/protobuf/protobuf-java-util/3.4.0/protobuf-java-util-3.4.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/google/protobuf/protobuf-java-util/3.4.0/protobuf-java-util-3.4.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools.build:builder-model:3.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.lint:lint-gradle-api:26.5.0
> Could not resolve com.android.tools.build:builder-model:3.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/builder-model/3.5.0/builder-model-3.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/builder-model/3.5.0/builder-model-3.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools.build:builder-model:3.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/builder-model/3.5.0/builder-model-3.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/build/builder-model/3.5.0/builder-model-3.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools.build:builder-test-api:3.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve com.android.tools.build:builder-test-api:3.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/builder-test-api/3.5.0/builder-test-api-3.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/builder-test-api/3.5.0/builder-test-api-3.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools.build:builder-test-api:3.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/builder-test-api/3.5.0/builder-test-api-3.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/build/builder-test-api/3.5.0/builder-test-api-3.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools:sdklib:26.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.lint:lint-gradle-api:26.5.0
> Could not resolve com.android.tools:sdklib:26.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/sdklib/26.5.0/sdklib-26.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/sdklib/26.5.0/sdklib-26.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools:sdklib:26.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/sdklib/26.5.0/sdklib-26.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/sdklib/26.5.0/sdklib-26.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools:sdk-common:26.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve com.android.tools:sdk-common:26.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/sdk-common/26.5.0/sdk-common-26.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/sdk-common/26.5.0/sdk-common-26.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools:sdk-common:26.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/sdk-common/26.5.0/sdk-common-26.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/sdk-common/26.5.0/sdk-common-26.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools:common:26.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve com.android.tools:common:26.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/common/26.5.0/common-26.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/common/26.5.0/common-26.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools:common:26.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/common/26.5.0/common-26.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/common/26.5.0/common-26.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools.build:manifest-merger:26.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve com.android.tools.build:manifest-merger:26.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/manifest-merger/26.5.0/manifest-merger-26.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/manifest-merger/26.5.0/manifest-merger-26.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools.build:manifest-merger:26.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/manifest-merger/26.5.0/manifest-merger-26.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/build/manifest-merger/26.5.0/manifest-merger-26.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools.ddms:ddmlib:26.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve com.android.tools.ddms:ddmlib:26.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/ddms/ddmlib/26.5.0/ddmlib-26.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/ddms/ddmlib/26.5.0/ddmlib-26.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools.ddms:ddmlib:26.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/ddms/ddmlib/26.5.0/ddmlib-26.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/ddms/ddmlib/26.5.0/ddmlib-26.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools.analytics-library:protos:26.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve com.android.tools.analytics-library:protos:26.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/analytics-library/protos/26.5.0/protos-26.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/analytics-library/protos/26.5.0/protos-26.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools.analytics-library:protos:26.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/analytics-library/protos/26.5.0/protos-26.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/analytics-library/protos/26.5.0/protos-26.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools.analytics-library:tracker:26.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve com.android.tools.analytics-library:tracker:26.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/analytics-library/tracker/26.5.0/tracker-26.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/analytics-library/tracker/26.5.0/tracker-26.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools.analytics-library:tracker:26.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/analytics-library/tracker/26.5.0/tracker-26.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/analytics-library/tracker/26.5.0/tracker-26.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools.build:apksig:3.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve com.android.tools.build:apksig:3.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/apksig/3.5.0/apksig-3.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/apksig/3.5.0/apksig-3.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools.build:apksig:3.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/apksig/3.5.0/apksig-3.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/build/apksig/3.5.0/apksig-3.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools.build:apkzlib:3.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve com.android.tools.build:apkzlib:3.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/build/apkzlib/3.5.0/apkzlib-3.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/build/apkzlib/3.5.0/apkzlib-3.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools.build:apkzlib:3.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/build/apkzlib/3.5.0/apkzlib-3.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/build/apkzlib/3.5.0/apkzlib-3.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.squareup:javawriter:2.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve com.squareup:javawriter:2.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/squareup/javawriter/2.5.0/javawriter-2.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/squareup/javawriter/2.5.0/javawriter-2.5.0.pom'.
> dl.google.com
> Could not resolve com.squareup:javawriter:2.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/squareup/javawriter/2.5.0/javawriter-2.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/squareup/javawriter/2.5.0/javawriter-2.5.0.pom'.
> jcenter.bintray.com
Could not resolve org.bouncycastle:bcpkix-jdk15on:1.56.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve org.bouncycastle:bcpkix-jdk15on:1.56.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/bouncycastle/bcpkix-jdk15on/1.56/bcpkix-jdk15on-1.56.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/org/bouncycastle/bcpkix-jdk15on/1.56/bcpkix-jdk15on-1.56.pom'.
> dl.google.com
> Could not resolve org.bouncycastle:bcpkix-jdk15on:1.56.
> Could not get resource 'https://jcenter.bintray.com/org/bouncycastle/bcpkix-jdk15on/1.56/bcpkix-jdk15on-1.56.pom'.
> Could not GET 'https://jcenter.bintray.com/org/bouncycastle/bcpkix-jdk15on/1.56/bcpkix-jdk15on-1.56.pom'.
> jcenter.bintray.com
Could not resolve org.bouncycastle:bcprov-jdk15on:1.56.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve org.bouncycastle:bcprov-jdk15on:1.56.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/bouncycastle/bcprov-jdk15on/1.56/bcprov-jdk15on-1.56.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/org/bouncycastle/bcprov-jdk15on/1.56/bcprov-jdk15on-1.56.pom'.
> dl.google.com
> Could not resolve org.bouncycastle:bcprov-jdk15on:1.56.
> Could not get resource 'https://jcenter.bintray.com/org/bouncycastle/bcprov-jdk15on/1.56/bcprov-jdk15on-1.56.pom'.
> Could not GET 'https://jcenter.bintray.com/org/bouncycastle/bcprov-jdk15on/1.56/bcprov-jdk15on-1.56.pom'.
> jcenter.bintray.com
Could not resolve org.ow2.asm:asm-tree:6.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve org.ow2.asm:asm-tree:6.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/ow2/asm/asm-tree/6.0/asm-tree-6.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/org/ow2/asm/asm-tree/6.0/asm-tree-6.0.pom'.
> dl.google.com
> Could not resolve org.ow2.asm:asm-tree:6.0.
> Could not get resource 'https://jcenter.bintray.com/org/ow2/asm/asm-tree/6.0/asm-tree-6.0.pom'.
> Could not GET 'https://jcenter.bintray.com/org/ow2/asm/asm-tree/6.0/asm-tree-6.0.pom'.
> jcenter.bintray.com
Could not resolve javax.inject:javax.inject:1.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve javax.inject:javax.inject:1.
> Could not get resource 'https://dl.google.com/dl/android/maven2/javax/inject/javax.inject/1/javax.inject-1.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/javax/inject/javax.inject/1/javax.inject-1.pom'.
> dl.google.com
> Could not resolve javax.inject:javax.inject:1.
> Could not get resource 'https://jcenter.bintray.com/javax/inject/javax.inject/1/javax.inject-1.pom'.
> Could not GET 'https://jcenter.bintray.com/javax/inject/javax.inject/1/javax.inject-1.pom'.
> jcenter.bintray.com
Could not resolve it.unimi.dsi:fastutil:7.2.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve it.unimi.dsi:fastutil:7.2.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/it/unimi/dsi/fastutil/7.2.0/fastutil-7.2.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/it/unimi/dsi/fastutil/7.2.0/fastutil-7.2.0.pom'.
> dl.google.com
> Could not resolve it.unimi.dsi:fastutil:7.2.0.
> Could not get resource 'https://jcenter.bintray.com/it/unimi/dsi/fastutil/7.2.0/fastutil-7.2.0.pom'.
> Could not GET 'https://jcenter.bintray.com/it/unimi/dsi/fastutil/7.2.0/fastutil-7.2.0.pom'.
> jcenter.bintray.com
Could not resolve com.googlecode.json-simple:json-simple:1.1.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.build:builder:3.5.0
> Could not resolve com.googlecode.json-simple:json-simple:1.1.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/googlecode/json-simple/json-simple/1.1/json-simple-1.1.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/googlecode/json-simple/json-simple/1.1/json-simple-1.1.pom'.
> dl.google.com
> Could not resolve com.googlecode.json-simple:json-simple:1.1.
> Could not get resource 'https://jcenter.bintray.com/com/googlecode/json-simple/json-simple/1.1/json-simple-1.1.pom'.
> Could not GET 'https://jcenter.bintray.com/com/googlecode/json-simple/json-simple/1.1/json-simple-1.1.pom'.
> jcenter.bintray.com
Could not resolve com.android.tools:annotations:26.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.analytics-library:crash:26.5.0
project : > com.android.tools.build:gradle:3.5.0 > androidx.databinding:databinding-compiler-common:3.5.0
> Could not resolve com.android.tools:annotations:26.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/tools/annotations/26.5.0/annotations-26.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/tools/annotations/26.5.0/annotations-26.5.0.pom'.
> dl.google.com
> Could not resolve com.android.tools:annotations:26.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/tools/annotations/26.5.0/annotations-26.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/tools/annotations/26.5.0/annotations-26.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.google.guava:guava:27.0.1-jre.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.analytics-library:crash:26.5.0
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.lint:lint-gradle-api:26.5.0
project : > com.android.tools.build:gradle:3.5.0 > androidx.databinding:databinding-compiler-common:3.5.0
> Could not resolve com.google.guava:guava:27.0.1-jre.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/google/guava/guava/27.0.1-jre/guava-27.0.1-jre.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/google/guava/guava/27.0.1-jre/guava-27.0.1-jre.pom'.
> dl.google.com
> Could not resolve com.google.guava:guava:27.0.1-jre.
> Could not get resource 'https://jcenter.bintray.com/com/google/guava/guava/27.0.1-jre/guava-27.0.1-jre.pom'.
> Could not GET 'https://jcenter.bintray.com/com/google/guava/guava/27.0.1-jre/guava-27.0.1-jre.pom'.
> jcenter.bintray.com
Could not resolve org.apache.httpcomponents:httpmime:4.5.6.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.analytics-library:crash:26.5.0
> Could not resolve org.apache.httpcomponents:httpmime:4.5.6.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/apache/httpcomponents/httpmime/4.5.6/httpmime-4.5.6.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/org/apache/httpcomponents/httpmime/4.5.6/httpmime-4.5.6.pom'.
> dl.google.com
> Could not resolve org.apache.httpcomponents:httpmime:4.5.6.
> Could not get resource 'https://jcenter.bintray.com/org/apache/httpcomponents/httpmime/4.5.6/httpmime-4.5.6.pom'.
> Could not GET 'https://jcenter.bintray.com/org/apache/httpcomponents/httpmime/4.5.6/httpmime-4.5.6.pom'.
> jcenter.bintray.com
Could not resolve org.apache.httpcomponents:httpcore:4.4.10.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.analytics-library:crash:26.5.0
> Could not resolve org.apache.httpcomponents:httpcore:4.4.10.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/apache/httpcomponents/httpcore/4.4.10/httpcore-4.4.10.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/org/apache/httpcomponents/httpcore/4.4.10/httpcore-4.4.10.pom'.
> dl.google.com
> Could not resolve org.apache.httpcomponents:httpcore:4.4.10.
> Could not get resource 'https://jcenter.bintray.com/org/apache/httpcomponents/httpcore/4.4.10/httpcore-4.4.10.pom'.
> Could not GET 'https://jcenter.bintray.com/org/apache/httpcomponents/httpcore/4.4.10/httpcore-4.4.10.pom'.
> jcenter.bintray.com
Could not resolve org.apache.httpcomponents:httpclient:4.5.6.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.analytics-library:crash:26.5.0
> Could not resolve org.apache.httpcomponents:httpclient:4.5.6.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/apache/httpcomponents/httpclient/4.5.6/httpclient-4.5.6.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/org/apache/httpcomponents/httpclient/4.5.6/httpclient-4.5.6.pom'.
> dl.google.com
> Could not resolve org.apache.httpcomponents:httpclient:4.5.6.
> Could not get resource 'https://jcenter.bintray.com/org/apache/httpcomponents/httpclient/4.5.6/httpclient-4.5.6.pom'.
> Could not GET 'https://jcenter.bintray.com/org/apache/httpcomponents/httpclient/4.5.6/httpclient-4.5.6.pom'.
> jcenter.bintray.com
Could not resolve org.jetbrains.kotlin:kotlin-reflect:1.3.41.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > com.android.tools.lint:lint-gradle-api:26.5.0
> Could not resolve org.jetbrains.kotlin:kotlin-reflect:1.3.41.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/jetbrains/kotlin/kotlin-reflect/1.3.41/kotlin-reflect-1.3.41.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/org/jetbrains/kotlin/kotlin-reflect/1.3.41/kotlin-reflect-1.3.41.pom'.
> dl.google.com
> Could not resolve org.jetbrains.kotlin:kotlin-reflect:1.3.41.
> Could not get resource 'https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-reflect/1.3.41/kotlin-reflect-1.3.41.pom'.
> Could not GET 'https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-reflect/1.3.41/kotlin-reflect-1.3.41.pom'.
> jcenter.bintray.com
Could not resolve androidx.databinding:databinding-common:3.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > androidx.databinding:databinding-compiler-common:3.5.0
> Could not resolve androidx.databinding:databinding-common:3.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/androidx/databinding/databinding-common/3.5.0/databinding-common-3.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/androidx/databinding/databinding-common/3.5.0/databinding-common-3.5.0.pom'.
> dl.google.com
> Could not resolve androidx.databinding:databinding-common:3.5.0.
> Could not get resource 'https://jcenter.bintray.com/androidx/databinding/databinding-common/3.5.0/databinding-common-3.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/androidx/databinding/databinding-common/3.5.0/databinding-common-3.5.0.pom'.
> jcenter.bintray.com
Could not resolve com.android.databinding:baseLibrary:3.5.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > androidx.databinding:databinding-compiler-common:3.5.0
> Could not resolve com.android.databinding:baseLibrary:3.5.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/android/databinding/baseLibrary/3.5.0/baseLibrary-3.5.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/android/databinding/baseLibrary/3.5.0/baseLibrary-3.5.0.pom'.
> dl.google.com
> Could not resolve com.android.databinding:baseLibrary:3.5.0.
> Could not get resource 'https://jcenter.bintray.com/com/android/databinding/baseLibrary/3.5.0/baseLibrary-3.5.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/android/databinding/baseLibrary/3.5.0/baseLibrary-3.5.0.pom'.
> jcenter.bintray.com
Could not resolve org.antlr:antlr4:4.5.3.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > androidx.databinding:databinding-compiler-common:3.5.0
> Could not resolve org.antlr:antlr4:4.5.3.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/antlr/antlr4/4.5.3/antlr4-4.5.3.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/org/antlr/antlr4/4.5.3/antlr4-4.5.3.pom'.
> dl.google.com
> Could not resolve org.antlr:antlr4:4.5.3.
> Could not get resource 'https://jcenter.bintray.com/org/antlr/antlr4/4.5.3/antlr4-4.5.3.pom'.
> Could not GET 'https://jcenter.bintray.com/org/antlr/antlr4/4.5.3/antlr4-4.5.3.pom'.
> jcenter.bintray.com
Could not resolve commons-io:commons-io:2.4.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > androidx.databinding:databinding-compiler-common:3.5.0
> Could not resolve commons-io:commons-io:2.4.
> Could not get resource 'https://dl.google.com/dl/android/maven2/commons-io/commons-io/2.4/commons-io-2.4.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/commons-io/commons-io/2.4/commons-io-2.4.pom'.
> dl.google.com
> Could not resolve commons-io:commons-io:2.4.
> Could not get resource 'https://jcenter.bintray.com/commons-io/commons-io/2.4/commons-io-2.4.pom'.
> Could not GET 'https://jcenter.bintray.com/commons-io/commons-io/2.4/commons-io-2.4.pom'.
> jcenter.bintray.com
Could not resolve com.googlecode.juniversalchardet:juniversalchardet:1.0.3.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > androidx.databinding:databinding-compiler-common:3.5.0
> Could not resolve com.googlecode.juniversalchardet:juniversalchardet:1.0.3.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/googlecode/juniversalchardet/juniversalchardet/1.0.3/juniversalchardet-1.0.3.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/googlecode/juniversalchardet/juniversalchardet/1.0.3/juniversalchardet-1.0.3.pom'.
> dl.google.com
> Could not resolve com.googlecode.juniversalchardet:juniversalchardet:1.0.3.
> Could not get resource 'https://jcenter.bintray.com/com/googlecode/juniversalchardet/juniversalchardet/1.0.3/juniversalchardet-1.0.3.pom'.
> Could not GET 'https://jcenter.bintray.com/com/googlecode/juniversalchardet/juniversalchardet/1.0.3/juniversalchardet-1.0.3.pom'.
> jcenter.bintray.com
Could not resolve com.squareup:javapoet:1.8.0.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > androidx.databinding:databinding-compiler-common:3.5.0
> Could not resolve com.squareup:javapoet:1.8.0.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/squareup/javapoet/1.8.0/javapoet-1.8.0.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/squareup/javapoet/1.8.0/javapoet-1.8.0.pom'.
> dl.google.com
> Could not resolve com.squareup:javapoet:1.8.0.
> Could not get resource 'https://jcenter.bintray.com/com/squareup/javapoet/1.8.0/javapoet-1.8.0.pom'.
> Could not GET 'https://jcenter.bintray.com/com/squareup/javapoet/1.8.0/javapoet-1.8.0.pom'.
> jcenter.bintray.com
Could not resolve com.google.code.gson:gson:2.8.5.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > androidx.databinding:databinding-compiler-common:3.5.0
> Could not resolve com.google.code.gson:gson:2.8.5.
> Could not get resource 'https://dl.google.com/dl/android/maven2/com/google/code/gson/gson/2.8.5/gson-2.8.5.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/com/google/code/gson/gson/2.8.5/gson-2.8.5.pom'.
> dl.google.com
> Could not resolve com.google.code.gson:gson:2.8.5.
> Could not get resource 'https://jcenter.bintray.com/com/google/code/gson/gson/2.8.5/gson-2.8.5.pom'.
> Could not GET 'https://jcenter.bintray.com/com/google/code/gson/gson/2.8.5/gson-2.8.5.pom'.
> jcenter.bintray.com
Could not resolve org.jetbrains.kotlin:kotlin-stdlib:1.3.41.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.41
> Could not resolve org.jetbrains.kotlin:kotlin-stdlib:1.3.41.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/jetbrains/kotlin/kotlin-stdlib/1.3.41/kotlin-stdlib-1.3.41.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/org/jetbrains/kotlin/kotlin-stdlib/1.3.41/kotlin-stdlib-1.3.41.pom'.
> dl.google.com
> Could not resolve org.jetbrains.kotlin:kotlin-stdlib:1.3.41.
> Could not get resource 'https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-stdlib/1.3.41/kotlin-stdlib-1.3.41.pom'.
> Could not GET 'https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-stdlib/1.3.41/kotlin-stdlib-1.3.41.pom'.
> jcenter.bintray.com
Could not resolve org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.41.
Required by:
project : > com.android.tools.build:gradle:3.5.0 > org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.41
> Could not resolve org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.41.
> Could not get resource 'https://dl.google.com/dl/android/maven2/org/jetbrains/kotlin/kotlin-stdlib-jdk7/1.3.41/kotlin-stdlib-jdk7-1.3.41.pom'.
> Could not GET 'https://dl.google.com/dl/android/maven2/org/jetbrains/kotlin/kotlin-stdlib-jdk7/1.3.41/kotlin-stdlib-jdk7-1.3.41.pom'.
> dl.google.com
> Could not resolve org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.41.
> Could not get resource 'https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-stdlib-jdk7/1.3.41/kotlin-stdlib-jdk7-1.3.41.pom'.
> Could not GET 'https://jcenter.bintray.com/org/jetbrains/kotlin/kotlin-stdlib-jdk7/1.3.41/kotlin-stdlib-jdk7-1.3.41.pom'.
> jcenter.bintray.com
BUILD FAILED in 1m 10s
Exception: Gradle task assembleDebug failed ) exit code 1
Steps to Reproduce
- ..open android studio.
- ... then select the play button
- ...The errors are shown on the console
Logs
C:\src\flutter>flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, v1.12.13+hotfix.9, on Microsoft Windows [Version
10.0.18362.836], locale en-IN)
[√] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[√] Android Studio (version 3.6)
[√] VS Code (version 1.44.2)
[√] Connected device (1 available)
• No issues found!
C:\src\flutter>flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, v1.12.13+hotfix.9, on Microsoft Windows [Version
10.0.18362.836], locale en-IN)
[√] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[√] Android Studio (version 3.6)
[√] VS Code (version 1.44.2)
[√] Connected device (1 available)
• No issues found!