获取android 10的IMEI号

import android.content.Context;
import android.telephony.TelephonyManager;

public class MainActivity extends AppCompatActivity {
    private TelephonyManager telephonyManager;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // 获取TelephonyManager实例
        telephonyManager = (TelephonyManager) getSystemService(Context.TELEPHONY_SERVICE);

        // 检查是否授权获取读取电话状态权限（运行时权限）
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.READ_PHONE_STATE)
                != PackageManager.PERMISSION_GRANTED) {
            // 如果没有授权，则请求权限
            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.READ_PHONE_STATE}, 1);
        } else {
            // 已经有权限，直接获取IMEI号
            String imei = telephonyManager.getDeviceId();
            Log.d("IMEI", imei);
        }
    }
}

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

import android.content.Context;
import android.provider.Settings;
import android.util.Log;

public class MainActivity extends AppCompatActivity {
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        // 获取设备唯一标识符
        String androidId = Settings.Secure.getString(getContentResolver(), Settings.Secure.ANDROID_ID);
        Log.d("Device ID", androidId);
    }
}