Https使用android studio本地原始文件中的证书

<uses-permission android:name="android.permission.INTERNET" />

try {
    // 加载证书文件
    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    InputStream inputStream = getResources().openRawResource(R.raw.your_certificate_file);
    Certificate certificate = certificateFactory.generateCertificate(inputStream);
    inputStream.close();

    // 创建KeyStore并将证书导入
    KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
    keyStore.load(null);
    keyStore.setCertificateEntry("your_certificate_alias", certificate);

    // 创建TrustManager并初始化
    TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
    trustManagerFactory.init(keyStore);

    // 创建SSLContext并设置TrustManager
    SSLContext sslContext = SSLContext.getInstance("TLS");
    sslContext.init(null, trustManagerFactory.getTrustManagers(), null);

    // 创建HttpsURLConnection并设置SSLContext
    URL url = new URL("https://your_url");
    HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
    connection.setSSLSocketFactory(sslContext.getSocketFactory());

    // 发起Https请求
    // ...
} catch (Exception e) {
    e.printStackTrace();
}