First, solve the problem of reporting errors
Create a project with Android Studio
The project is newly built, they have not made any modifications, why will report this error? Build. Gradle file: build.gradle file: build.gradle file: build.gradle
Look from the dependent files need version of the SDK is 29, rely on the com. Android. Support: appcompat – v7 this component is 29 version of the SDK:
Check the SDK Tools version 26 of Android Studio you installed
Therefore, you can fix the problem by changing the SDK versions in the build.gradle file to API 26. You can fix the problem by following the following steps:
Android SDK Platform, SDK tools, SDK Build Tools, SDK Platform tools
1. Android SDK Platform
Android API 29 or 26 refers to the system version.
2. Android SDK Tools
Android SDK Tools is a component of the Android SDK. It includes a full suite of development and debugging tools for Android and is built into Android Studio.
3. Android SDK Build Tools
Build-tools refers to the Android SDK build-tools component that is required to compile Android applications.
4. Android SDK Platform Tools
The Android SDK platform tools are a component of the Android SDK. It includes tools for interacting with the Android platform, such as ADB, Fastboot, and Systrace. These tools are needed to develop Android applications.