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Code Issues Packages Projects Releases Wiki Activity

Added ability to import a barcode from a local image

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This commit is contained in:
Miha Frangež
2019-10-14 20:06:09 +02:00
parent 34f8c830fd
commit bacb5b97ec
6 changed files with 90 additions and 17 deletions
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6
app/src/main/java/protect/card_locker/LoyaltyCardEditActivity.java
View File

@@ -5,6 +5,7 @@ import android.app.Dialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.net.Uri;
import android.os.Bundle;
@@ -69,6 +70,8 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
View barcodeImageLayout;
View barcodeCaptureLayout;
Button captureButton;
Button importImageButton;
Button enterButton;
int loyaltyCardId;
@@ -503,6 +506,7 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
}
}
class ColorSelectListener implements View.OnClickListener
{
final int defaultColor;
@@ -702,7 +706,7 @@ public class LoyaltyCardEditActivity extends AppCompatActivity
{
super.onActivityResult(requestCode, resultCode, intent);
BarcodeValues barcodeValues = Utils.parseSetBarcodeActivityResult(requestCode, resultCode, intent);
BarcodeValues barcodeValues = Utils.parseSetBarcodeActivityResult(requestCode, resultCode, intent, this);
barcodeType = barcodeValues.format();
cardId = barcodeValues.content();

2
app/src/main/java/protect/card_locker/MainActivity.java
View File

@@ -162,7 +162,7 @@ public class MainActivity extends AppCompatActivity implements GestureDetector.O
return;
}
BarcodeValues barcodeValues = Utils.parseSetBarcodeActivityResult(requestCode, resultCode, intent);
BarcodeValues barcodeValues = Utils.parseSetBarcodeActivityResult(requestCode, resultCode, intent, this);
if(!barcodeValues.isEmpty()) {
Intent newIntent = new Intent(getApplicationContext(), LoyaltyCardEditActivity.class);

8
app/src/main/java/protect/card_locker/ScanActivity.java
View File

@@ -132,7 +132,7 @@ public class ScanActivity extends AppCompatActivity {
{
super.onActivityResult(requestCode, resultCode, intent);
BarcodeValues barcodeValues = Utils.parseSetBarcodeActivityResult(requestCode, resultCode, intent);
BarcodeValues barcodeValues = Utils.parseSetBarcodeActivityResult(requestCode, resultCode, intent, this);
if (!barcodeValues.isEmpty()) {
Intent manualResult = new Intent();
@@ -154,4 +154,10 @@ public class ScanActivity extends AppCompatActivity {
}
startActivityForResult(i, Utils.SELECT_BARCODE_REQUEST);
}
public void addFromImage(View view) {
Intent photoPickerIntent = new Intent(Intent.ACTION_PICK);
photoPickerIntent.setType("image/*");
startActivityForResult(photoPickerIntent, Utils.BARCODE_IMPORT);
}
}

65
app/src/main/java/protect/card_locker/Utils.java
View File

@@ -3,15 +3,27 @@ package protect.card_locker;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.provider.MediaStore;
import android.util.Log;
import android.widget.Toast;
import java.io.IOException;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import androidx.core.graphics.ColorUtils;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.LuminanceSource;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.NotFoundException;
import com.google.zxing.RGBLuminanceSource;
import com.google.zxing.Result;
import com.google.zxing.common.HybridBinarizer;
public class Utils {
private static final String TAG = "Catima";
@@ -19,6 +31,7 @@ public class Utils {
public static final int MAIN_REQUEST = 1;
public static final int SELECT_BARCODE_REQUEST = 2;
public static final int BARCODE_SCAN = 3;
public static final int BARCODE_IMPORT = 4;
static final double LUMINANCE_MIDPOINT = 0.5;
@@ -42,22 +55,54 @@ public class Utils {
return ColorUtils.calculateLuminance(backgroundColor) > LUMINANCE_MIDPOINT;
}
static public BarcodeValues parseSetBarcodeActivityResult(int requestCode, int resultCode, Intent intent) {
static public BarcodeValues parseSetBarcodeActivityResult(int requestCode, int resultCode, Intent intent, Context context) {
String contents = null;
String format = null;
if (resultCode == Activity.RESULT_OK)
{
if (requestCode == Utils.BARCODE_SCAN) {
Log.i(TAG, "Received barcode information from camera");
} else if (requestCode == Utils.SELECT_BARCODE_REQUEST) {
Log.i(TAG, "Received barcode information from typing it");
} else {
return new BarcodeValues(null, null);
}
if (requestCode != Utils.BARCODE_IMPORT) {
if (requestCode == Utils.BARCODE_SCAN) {
Log.i(TAG, "Received barcode information from camera");
} else if (requestCode == Utils.SELECT_BARCODE_REQUEST) {
Log.i(TAG, "Received barcode information from typing it");
} else {
return new BarcodeValues(null, null);
}
contents = intent.getStringExtra(BarcodeSelectorActivity.BARCODE_CONTENTS);
format = intent.getStringExtra(BarcodeSelectorActivity.BARCODE_FORMAT);
contents = intent.getStringExtra(BarcodeSelectorActivity.BARCODE_CONTENTS);
format = intent.getStringExtra(BarcodeSelectorActivity.BARCODE_FORMAT);
} else {
Log.i(TAG, "Received barcode image");
Bitmap bitmap = null;
try {
bitmap = MediaStore.Images.Media.getBitmap(context.getContentResolver(), intent.getData());
} catch (IOException e) {
Log.e(TAG, "Error getting the image data");
e.printStackTrace();
Toast.makeText(context, R.string.errorReadingImage, Toast.LENGTH_LONG);
return new BarcodeValues(null, null);
}
// In order to decode it, the Bitmap must first be converted into a pixel array...
int[] intArray = new int[bitmap.getWidth() * bitmap.getHeight()];
bitmap.getPixels(intArray, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight());
// ...and then turned into a binary bitmap from its luminance
LuminanceSource source = new RGBLuminanceSource(bitmap.getWidth(), bitmap.getHeight(), intArray);
BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(source));
try {
Result qrCodeResult = new MultiFormatReader().decode(binaryBitmap);
contents = qrCodeResult.getText();
format = qrCodeResult.getBarcodeFormat().name();
} catch (NotFoundException e) {
Log.i(TAG, "No barcode was found");
Toast.makeText(context, R.string.noBarcodeFound, Toast.LENGTH_LONG);
}
}
}
Log.i(TAG, "Read barcode id: " + contents);

22
app/src/main/res/layout/custom_barcode_scanner.xml
View File

@@ -19,11 +19,25 @@
app:zxing_viewfinder_laser="@color/zxing_custom_viewfinder_laser"
app:zxing_viewfinder_mask="@color/zxing_custom_viewfinder_mask"/>
<Button
android:id="@+id/add_manually"
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/addManually"
android:layout_gravity="bottom|center_horizontal"
android:onClick="addManually"/>
android:gravity="center_horizontal"
android:orientation="vertical">
<Button
android:id="@+id/add_from_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="addFromImage"
android:text="@string/addFromImage" />
<Button
android:id="@+id/add_manually"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="addManually"
android:text="@string/addManually" />
</LinearLayout>
</merge>

4
app/src/main/res/values/strings.xml
View File

@@ -105,6 +105,7 @@
<string name="settings_lock_barcode_orientation">Lock barcode orientation</string>
<string name="settings_key_lock_barcode_orientation" translatable="false">pref_lock_barcode_orientation</string>
<string name="sharedpreference_active_tab" translatable="false">sharedpreference_active_tab</string>
<string name="intent_import_card_from_url_share_text">I want to share a card with you</string>
@@ -131,6 +132,7 @@
<string name="leaveWithoutSaveTitle">Leave without saving</string>
<string name="leaveWithoutSaveConfirmation">Are you sure you want to leave this screen? Changed made will not be saved.</string>
<string name="addManually">Manually enter card ID</string>
<string name="addFromImage">Import from image</string>
<string name="groupsList">Groups: <xliff:g>%s</xliff:g></string>
<string name="expiryStateSentence">Expires: <xliff:g>%s</xliff:g></string>
<string name="expiryStateSentenceExpired">Expired: <xliff:g>%s</xliff:g></string>
@@ -143,4 +145,6 @@
<string name="chooseExpiryDate">Choose expiry date</string>
<string name="moveBarcodeToTopOfScreen">Move the barcode to the top of the screen</string>
<string name="moveBarcodeToCenterOfScreen">Center the barcode on the screen</string>
<string name="noBarcodeFound">No barcode was found</string>
<string name="errorReadingImage">Error reading image</string>
</resources>