Android实战_Zxing实现扫描功能

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public class ResultActivity extends Activity {

    private ImageView mResultImage;
    private TextView mResultText;

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

        Bundle extras = getIntent().getExtras();

        mResultImage = (ImageView) findViewById(R.id.result_image);
        mResultText = (TextView) findViewById(R.id.result_text);

        if (null != extras) {
            int width = extras.getInt("width");
            int height = extras.getInt("height");

            LayoutParams lps = new LayoutParams(width, height);
            lps.topMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 30, getResources().getDisplayMetrics());
            lps.leftMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 20, getResources().getDisplayMetrics());
            lps.rightMargin = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 20, getResources().getDisplayMetrics());
            
            mResultImage.setLayoutParams(lps);

            String result = extras.getString("result");
            mResultText.setText(result);

            Bitmap barcode = null;
            byte[] compressedBitmap = extras.getByteArray(DecodeThread.BARCODE_BITMAP);
            if (compressedBitmap != null) {
                barcode = BitmapFactory.decodeByteArray(compressedBitmap, 0, compressedBitmap.length, null);
                // Mutable copy:
                barcode = barcode.copy(Bitmap.Config.RGB_565, true);
            }

            mResultImage.setImageBitmap(barcode);
        }
    }
}

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String result = extras.getString("result");
mResultText.setText(result);