I search my problem and find this answer (Disable Gradle Offline mode in Android Studio 3.6) which doesnt help.can any one help me??
this is the Error: FAILURE: Build failed with an exception.
- What went wrong: Execution failed for task ':app:mergeDebugResources'.
Could not resolve all files for configuration ':app:_internal_aapt2_binary'. Could not find aapt2-windows.jar (com.android.tools.build:aapt2:3.6.1-6040484). Searched in the following locations: https://dl.google.com/dl/android/maven2/com/android/tools/build/aapt2/3.6.1-6040484/aapt2-3.6.1-6040484-windows.jar
Try: Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
Get more help at https://help.gradle.org
BUILD FAILED in 1s 5 actionable tasks: 1 executed, 4 up-to-date