IntentIntegrator (ZXing) Example

IntentIntegratorExample.java

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

        Button btn = (Button)findViewById(R.id.button);
        btn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
//                new IntentIntegrator(MainActivity.this).initiateScan(IntentIntegrator.ONE_D_CODE_TYPES);
//                new IntentIntegrator(MainActivity.this).initiateScan(IntentIntegrator.ALL_CODE_TYPES);
                new IntentIntegrator(MainActivity.this).initiateScan();
            }
        });
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent intent) {
        super.onActivityResult(requestCode, resultCode, intent);

        if (requestCode == IntentIntegrator.REQUEST_CODE) {
            if (resultCode == Activity.RESULT_OK) {
                String contents = intent.getStringExtra(Intents.Scan.RESULT);
                String formatName = intent.getStringExtra(Intents.Scan.RESULT_FORMAT);

                Log.d(TAG, "contents : " + contents);
                Log.d(TAG, "formatName : " + formatName);
                Toast.makeText(this, "contents : " + contents, Toast.LENGTH_LONG).show();
            }
        }
    }