Files
Android/app/src/main/java/protect/card_locker/LoyaltyCardViewActivity.java
2016-03-20 18:05:51 -04:00

336 lines
11 KiB
Java

package protect.card_locker;
import android.content.Intent;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.support.design.widget.Snackbar;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.WriterException;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
public class LoyaltyCardViewActivity extends AppCompatActivity
{
private static final String TAG = "CardLocker";
// These are all the barcode types that the zxing library
// is able to generate a barcode for, and thus should be
// the only barcodes which we should attempt to scan.
Collection<String> supportedBarcodeTypes = Collections.unmodifiableList(Arrays.asList(
BarcodeFormat.AZTEC.name(),
BarcodeFormat.CODE_39.name(),
BarcodeFormat.CODE_128.name(),
BarcodeFormat.CODABAR.name(),
BarcodeFormat.DATA_MATRIX.name(),
BarcodeFormat.EAN_8.name(),
BarcodeFormat.EAN_13.name(),
BarcodeFormat.ITF.name(),
BarcodeFormat.PDF_417.name(),
BarcodeFormat.QR_CODE.name(),
BarcodeFormat.UPC_A.name()
));
@Override
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.loyalty_card_view_activity);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ActionBar actionBar = getSupportActionBar();
if(actionBar != null)
{
actionBar.setDisplayHomeAsUpEnabled(true);
}
}
@Override
public void onResume()
{
super.onResume();
final Bundle b = getIntent().getExtras();
final int loyaltyCardId = b != null ? b.getInt("id") : 0;
final boolean updateLoyaltyCard = b != null && b.getBoolean("update", false);
final boolean viewLoyaltyCard = b != null && b.getBoolean("view", false);
Log.i(TAG, "To view card: " + loyaltyCardId);
final EditText storeField = (EditText) findViewById(R.id.storeName);
final EditText noteField = (EditText) findViewById(R.id.note);
final EditText cardIdField = (EditText) findViewById(R.id.cardId);
final EditText barcodeTypeField = (EditText) findViewById(R.id.barcodeType);
final ImageView barcodeImage = (ImageView) findViewById(R.id.barcode);
final View barcodeIdLayout = findViewById(R.id.barcodeIdLayout);
final View barcodeTypeLayout = findViewById(R.id.barcodeTypeLayout);
final View barcodeImageLayout = findViewById(R.id.barcodeLayout);
final View barcodeCaptureLayout = findViewById(R.id.barcodeCaptureLayout);
final Button captureButton = (Button) findViewById(R.id.captureButton);
final Button saveButton = (Button) findViewById(R.id.saveButton);
final Button cancelButton = (Button) findViewById(R.id.cancelButton);
final DBHelper db = new DBHelper(this);
if(updateLoyaltyCard || viewLoyaltyCard)
{
final LoyaltyCard loyaltyCard = db.getLoyaltyCard(loyaltyCardId);
if(storeField.getText().length() == 0)
{
storeField.setText(loyaltyCard.store);
}
if(noteField.getText().length() == 0)
{
noteField.setText(loyaltyCard.note);
}
if(cardIdField.getText().length() == 0)
{
cardIdField.setText(loyaltyCard.cardId);
}
if(barcodeTypeField.getText().length() == 0)
{
barcodeTypeField.setText(loyaltyCard.barcodeType);
}
if(viewLoyaltyCard)
{
storeField.setEnabled(false);
noteField.setEnabled(false);
}
if(updateLoyaltyCard)
{
setTitle(R.string.editCardTitle);
}
else
{
barcodeCaptureLayout.setVisibility(View.GONE);
captureButton.setVisibility(View.GONE);
saveButton.setVisibility(View.GONE);
cancelButton.setVisibility(View.GONE);
setTitle(R.string.viewCardTitle);
}
}
else
{
setTitle(R.string.addCardTitle);
}
if(cardIdField.getText().length() == 0)
{
barcodeIdLayout.setVisibility(View.GONE);
}
barcodeTypeLayout.setVisibility(View.GONE);
if(cardIdField.getText().length() > 0 && barcodeTypeField.getText().length() > 0)
{
MultiFormatWriter writer = new MultiFormatWriter();
BitMatrix result;
try
{
String formatString = barcodeTypeField.getText().toString();
BarcodeFormat format = BarcodeFormat.valueOf(formatString);
if(format == null)
{
throw new IllegalArgumentException("Unrecognized barcode format: " + formatString);
}
int generateWidth = 100;
int generateHeight = 100;
String cardIdString = cardIdField.getText().toString();
Log.i(TAG, "Card: " + cardIdString);
result = writer.encode(cardIdString, format, generateWidth, generateHeight, null);
final int WHITE = 0xFFFFFFFF;
final int BLACK = 0xFF000000;
int width = result.getWidth();
int height = result.getHeight();
int[] pixels = new int[width * height];
for (int y = 0; y < height; y++)
{
int offset = y * width;
for (int x = 0; x < width; x++)
{
pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
}
}
Bitmap bitmap = Bitmap.createBitmap(width, height,
Bitmap.Config.ARGB_8888);
bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
barcodeImage.setImageBitmap(bitmap);
barcodeIdLayout.setVisibility(View.VISIBLE);
barcodeImageLayout.setVisibility(View.VISIBLE);
}
catch (WriterException | IllegalArgumentException e)
{
Log.e(TAG, "Failed to generate barcode", e);
}
}
View.OnClickListener captureCallback = new View.OnClickListener()
{
@Override
public void onClick(View v)
{
IntentIntegrator integrator = new IntentIntegrator(LoyaltyCardViewActivity.this);
integrator.setDesiredBarcodeFormats(supportedBarcodeTypes);
String prompt = getResources().getString(R.string.scanCardBarcode);
integrator.setPrompt(prompt);
integrator.initiateScan();
}
};
captureButton.setOnClickListener(captureCallback);
saveButton.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(final View v)
{
String store = storeField.getText().toString();
String note = noteField.getText().toString();
String cardId = cardIdField.getText().toString();
String barcodeType = barcodeTypeField.getText().toString();
if(store.isEmpty())
{
Snackbar.make(v, R.string.noStoreError, Snackbar.LENGTH_LONG).show();
return;
}
if(cardId.isEmpty() || barcodeType.isEmpty())
{
Snackbar.make(v, R.string.noCardIdError, Snackbar.LENGTH_LONG).show();
return;
}
if(updateLoyaltyCard)
{
db.updateLoyaltyCard(loyaltyCardId, store, note, cardId, barcodeType);
Log.i(TAG, "Updated " + loyaltyCardId + " to " + cardId);
}
else
{
db.insertLoyaltyCard(store, note, cardId, barcodeType);
}
finish();
}
});
cancelButton.setOnClickListener(new View.OnClickListener()
{
@Override
public void onClick(View v)
{
finish();
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu)
{
final Bundle b = getIntent().getExtras();
final boolean updateLoyaltyCard = b != null && b.getBoolean("update", false);
final boolean viewLoyaltyCard = b != null && b.getBoolean("view", false);
if(viewLoyaltyCard)
{
getMenuInflater().inflate(R.menu.card_edit_menu, menu);
}
else if(updateLoyaltyCard)
{
getMenuInflater().inflate(R.menu.card_delete_menu, menu);
}
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item)
{
int id = item.getItemId();
final Bundle b = getIntent().getExtras();
final int loyaltyCardId = b != null ? b.getInt("id") : 0;
switch(id)
{
case R.id.action_delete:
Log.e(TAG, "Deleting card: " + loyaltyCardId);
DBHelper db = new DBHelper(this);
db.deleteLoyaltyCard(loyaltyCardId);
finish();
return true;
case R.id.action_edit:
Intent intent = new Intent(getApplicationContext(), LoyaltyCardViewActivity.class);
Bundle bundle = new Bundle();
bundle.putInt("id", loyaltyCardId);
bundle.putBoolean("update", true);
intent.putExtras(bundle);
startActivity(intent);
finish();
return true;
}
return super.onOptionsItemSelected(item);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent)
{
IntentResult result =
IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
if (result != null)
{
String contents = result.getContents();
String format = result.getFormatName();
if(contents != null && contents.isEmpty() == false &&
format != null && format.isEmpty() == false)
{
Log.i(TAG, "Read Contents from scan: " + contents);
Log.i(TAG, "Read Format: " + format);
final EditText cardIdField = (EditText) findViewById(R.id.cardId);
cardIdField.setText(contents);
final EditText barcodeTypeField = (EditText) findViewById(R.id.barcodeType);
barcodeTypeField.setText(format);
onResume();
}
}
}
}