compile 'io.card:android-sdk:5.5.1'

<!-- Permission to vibrate - recommended, allows vibration feedback on scan --> <uses-permission android:name="android.permission.VIBRATE" /> <!-- Permission to use camera - required --> <uses-permission android:name="android.permission.CAMERA" /> <!-- Camera features - recommended --> <uses-feature android:name="android.hardware.camera" android:required="false" /> <uses-feature android:name="android.hardware.camera.autofocus" android:required="false" /> <uses-feature android:name="android.hardware.camera.flash" android:required="false" />

<activity  android:name="io.card.payment.CardIOActivity"    android:configChanges="keyboardHidden|orientation" /><activity android:name="io.card.payment.DataEntryActivity" />

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" tools:context="com.example.dell.scanbankdemo.MainActivity"> <Button  android:id="@+id/btn_scan"  android:layout_width="match_parent"  android:layout_height="wrap_content"  android:text="掃描銀行卡" /> <TextView  android:id="@+id/tv_card_number"  android:layout_width="wrap_content"  android:layout_height="wrap_content"  android:text="銀行卡號："  /></LinearLayout>

public class MainActivity extends AppCompatActivity implements View.OnClickListener { public static final int MY_SCAN_REQUEST_CODE = 10; private Button mScanBtn; private TextView mNumberTv;//銀行卡號 @Override protected void onCreate(Bundle savedInstanceState) {  super.onCreate(savedInstanceState);  setContentView(R.layout.activity_main);  mScanBtn = findViewById(R.id.btn_scan);  mScanBtn.setOnClickListener(this);  mNumberTv = findViewById(R.id.tv_card_number); } @Override public void onClick(View v) {  switch (v.getId()) {   case R.id.btn_scan:    Intent scanIntent = new Intent(this, CardIOActivity.class);    // customize these values to suit your needs.    scanIntent.putExtra(CardIOActivity.EXTRA_REQUIRE_EXPIRY, true); // default: false    scanIntent.putExtra(CardIOActivity.EXTRA_REQUIRE_CVV, false); // default: false    scanIntent.putExtra(CardIOActivity.EXTRA_REQUIRE_POSTAL_CODE, false); // default: false    // MY_SCAN_REQUEST_CODE is arbitrary and is only used within this activity.    startActivityForResult(scanIntent, MY_SCAN_REQUEST_CODE);    break;  } } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) {  super.onActivityResult(requestCode, resultCode, data);  if (requestCode == MY_SCAN_REQUEST_CODE) {   String resultDisplayStr;   if (data != null && data.hasExtra(CardIOActivity.EXTRA_SCAN_RESULT)) {    CreditCard scanResult = data.getParcelableExtra(CardIOActivity.EXTRA_SCAN_RESULT);    // Never log a raw card number. Avoid displaying it, but if necessary use getFormattedCardNumber()    //resultDisplayStr = "銀行卡號: " + scanResult.getRedactedCardNumber() + "/n"; //只顯示尾號    resultDisplayStr = "銀行卡號: " + scanResult.getFormattedCardNumber() + "/n"; //顯示銀行卡號    // Do something with the raw number, e.g.:    // myService.setCardNumber( scanResult.cardNumber );    if (scanResult.isExpiryValid()) {     resultDisplayStr += "有效期：" + scanResult.expiryMonth + "/" + scanResult.expiryYear + "/n";    }    if (scanResult.cvv != null) {     // Never log or display a CVV     resultDisplayStr += "CVV has " + scanResult.cvv.length() + " digits./n";    }    if (scanResult.postalCode != null) {     resultDisplayStr += "Postal Code: " + scanResult.postalCode + "/n";    }   } else {    resultDisplayStr = "Scan was canceled.";   }   mNumberTv.setText(resultDisplayStr);   // do something with resultDisplayStr, maybe display it in a textView   // resultTextView.setText(resultDisplayStr);  } }}