VS2019 Native Activity模板生成的Visual C++ APK无法安装，求相关教程

Hey there, let’s work through this APK installation issue together—since you’re using Native Activity with C++ in VS2019, it makes sense most Xamarin guides don’t apply, so I get why you’re feeling stuck. Here’s a structured approach to diagnose and fix the problem, plus some under-the-radar resources you can use:

• First, confirm your Android device is ready for debugging: enable USB debugging (in Developer Options) and allow installing unknown apps specifically for your computer’s USB connection. Sometimes devices reset these settings after OS updates, so it’s worth a quick recheck.
• Verify all required Android SDK components are installed. Go to Tools > Android > Android SDK Manager in VS2019, and make sure the SDK Platform, Build Tools, and the correct NDK version (critical for Native Activity) are installed for your project’s target API level. You can confirm the NDK version in your project properties: right-click the project > Properties > Android NDK Settings.

• Don’t stop at a "Build succeeded" message—check the Output window (set to "Build" in the dropdown) for hidden warnings or errors. For example, a mismatch between your NDK version and target API might let the build pass but produce a broken APK.
• When you attempt installation, open the Android Debug Log (Tools > Android > Android Debug Log) to see specific failure codes. Common ones include:
  • INSTALL_FAILED_NO_MATCHING_ABIS: Your APK doesn’t support your device’s CPU architecture (e.g., you built for armeabi-v7a but have an arm64-v8a device).
  • INSTALL_FAILED_UPDATE_INCOMPATIBLE: A previous version of the app is installed with conflicting signatures. Uninstall the old app first.

• ABI Support: By default, the template might only build for one ABI. Add your device’s architecture in project properties: Configuration Properties > General > Target Platforms and check all relevant ABIs (e.g., armeabi-v7a, arm64-v8a, x86).
• Keystore Problems: For debug builds, VS uses a default debug keystore, but it can get corrupted. Delete the file at C:\Users\<YourUsername>\.android\debug.keystore and let VS regenerate it next time you build.
• Minimum SDK Version: Ensure your project’s minimum SDK is compatible with your device. If your phone runs Android 10 (API 29) but your project sets API 30 as the minimum, installation will fail. Adjust this in Properties > Android Manifest > Minimum Android version.

• Even though Microsoft’s public docs are sparse for this scenario, check the IDE’s built-in documentation: go to Help > Visual Studio Documentation and search for "Native Activity Android C++". There are hidden troubleshooting sections for installation and NDK configuration.
• The Android NDK’s built-in docs (accessible via the SDK Manager’s "Launch Standalone SDK Manager" button, then selecting "Documentation" for your NDK version) have step-by-step guides for Native Activity packaging that directly apply to your setup.

• Create a brand new, unmodified Native Activity project, build it, and try installing it. If this works, the issue is with your original project’s custom code or configuration. If it still fails, repair your VS2019 installation (Control Panel > Programs > Visual Studio 2019 > Change > Repair) and re-install the Android NDK.

内容的提问来源于stack exchange，提问作者Michaelt LoL