要获取Android Keymaster权限,请按照以下步骤操作:
- 在AndroidManifest.xml文件中添加权限声明:
- 检查设备是否支持Keymaster模块:
import android.security.keystore.KeyProperties; boolean isKeymasterAvailable() { try { KeyProperties keyProperties = new KeyProperties.Builder().setEncryptionPaddings(KeyProperties.ENCRYPTION_PADDING_NONE).build(); return KeyProperties.isKeymasterFeatureAvailable(keyProperties); } catch (Exception e) { return false; } }
- 请求Keymaster权限(针对Android 6.0及以上版本):
import android.Manifest; import android.content.pm.PackageManager; import androidx.core.app.ActivityCompat; import androidx.core.content.ContextCompat; private static final int KEYSTORE_PERMISSION_REQUEST_CODE = 1; private void requestKeystorePermission() { if (ContextCompat.checkSelfPermission(this, Manifest.permission.USE_KEYSTORE) != PackageManager.PERMISSION_GRANTED) { ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.USE_KEYSTORE}, KEYSTORE_PERMISSION_REQUEST_CODE); } else { // Permission already granted, you can proceed with using Keymaster } }
- 处理权限请求结果:
@Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { if (requestCode == KEYSTORE_PERMISSION_REQUEST_CODE) { if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED) { // Permission granted, you can proceed with using Keymaster } else { // Permission denied, show a message to the user } } }
完成以上步骤后,您可以在应用中使用Android Keymaster API。请注意,Keymaster API仅在Android 9(API级别28)及更高版本中受支持。在使用Keymaster API之前,请确保您的应用已针对这些版本进行了适当的配置。