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我需要帮助将扫描的条码数据保存到一个txt文件(我知道你会推荐我通过SharedPreferences保存它,但我需要它很简单) 因此,基本上当我扫描代码其数据应该保存在手机上的txt文件中。这里是代码:将扫描的条码数据保存到txt文件
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private Button scanBtn;
private TextView formatTxt, contentTxt;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
scanBtn = (Button)findViewById(R.id.scan_button);
formatTxt = (TextView)findViewById(R.id.scan_format);
contentTxt = (TextView)findViewById(R.id.scan_content);
scanBtn.setOnClickListener(this);
}
public void onClick(View v){
if(v.getId()==R.id.scan_button){
IntentIntegrator scanIntegrator = new IntentIntegrator(this);
scanIntegrator.initiateScan();
}
}
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
IntentResult scanningResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
if (scanningResult != null) {
String scanContent = scanningResult.getContents();
String scanFormat = scanningResult.getFormatName();
formatTxt.setText("FORMAT: "+scanFormat);
contentTxt.setText("CONTENT: "+scanContent);
}
else{
Toast toast = Toast.makeText(getApplicationContext(),
"No scan data received!", Toast.LENGTH_SHORT);
toast.show();
}
}
}
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