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Added Scratchcard ScannerActivity.java and some layout manipulations.
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131 changes: 131 additions & 0 deletions
131
app/src/main/java/com/ngichtech/kenyaussd/ScannerActivity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| package com.ngichtech.kenyaussd; | ||
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| import android.os.Build; | ||
| import android.os.Bundle; | ||
| import android.util.Log; | ||
| import android.util.Size; | ||
| import android.widget.EditText; | ||
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| import androidx.annotation.RequiresApi; | ||
| import androidx.appcompat.app.AppCompatActivity; | ||
| import androidx.camera.core.Camera; | ||
| import androidx.camera.core.CameraControl; | ||
| import androidx.camera.core.CameraSelector; | ||
| import androidx.camera.core.ExperimentalGetImage; | ||
| import androidx.camera.core.ImageAnalysis; | ||
| import androidx.camera.core.Preview; | ||
| import androidx.camera.core.UseCaseGroup; | ||
| import androidx.camera.core.ViewPort; | ||
| import androidx.camera.lifecycle.ProcessCameraProvider; | ||
| import androidx.camera.view.PreviewView; | ||
| import androidx.core.content.ContextCompat; | ||
| import androidx.core.content.res.ResourcesCompat; | ||
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| import com.google.android.material.floatingactionbutton.FloatingActionButton; | ||
| import com.google.common.util.concurrent.ListenableFuture; | ||
| import com.ngichtech.kenyaussd.custom.ScanAnalyzer; | ||
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| import java.util.Objects; | ||
| import java.util.concurrent.ExecutionException; | ||
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| @ExperimentalGetImage | ||
| public class ScannerActivity extends AppCompatActivity { | ||
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| public static String creditNumber = ""; | ||
| public static boolean dataChanged; | ||
| EditText recognizedCreditText; | ||
| FloatingActionButton fabCameraFlash; | ||
| PreviewView cameraPreview; | ||
| CameraControl cameraControl; | ||
| private boolean flashOn; | ||
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| @RequiresApi(api = Build.VERSION_CODES.P) | ||
| @Override | ||
| protected void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| setContentView(R.layout.activity_scanner); | ||
| recognizedCreditText = findViewById(R.id.recognizedCreditText); | ||
| fabCameraFlash = findViewById(R.id.fabCameraFlash); | ||
| cameraPreview = findViewById(R.id.cameraPreview); | ||
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| fabCameraFlash.setOnClickListener(v -> { | ||
| if (flashOn) { | ||
| fabCameraFlash.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.baseline_flash_off_24, null)); | ||
| cameraControl.enableTorch(false); | ||
| flashOn = false; | ||
| } else { | ||
| fabCameraFlash.setBackground(ResourcesCompat.getDrawable(getResources(), R.drawable.baseline_flash_on_24, null)); | ||
| cameraControl.enableTorch(true); | ||
| flashOn = true; | ||
| } | ||
| }); | ||
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| bindToCamera(); | ||
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| new Thread(() -> { | ||
| while (true) { | ||
| if (dataChanged) { | ||
| StringBuilder rectifiedString = new StringBuilder(); | ||
| for (int i = 0; i < creditNumber.length(); i++) { | ||
| try { | ||
| rectifiedString.append(Integer.parseInt(String.valueOf(creditNumber.charAt(i)))); | ||
| } catch (NumberFormatException ignore) { | ||
| } | ||
| } | ||
| runOnUiThread(() -> recognizedCreditText.setText(rectifiedString)); | ||
| dataChanged = false; | ||
| } | ||
| } | ||
| }).start(); | ||
| } | ||
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| @RequiresApi(api = Build.VERSION_CODES.P) | ||
| private void bindToCamera() { | ||
| ListenableFuture<ProcessCameraProvider> cameraProviderFuture = ProcessCameraProvider.getInstance(this); | ||
| cameraProviderFuture.addListener(() -> { | ||
| try { | ||
| ProcessCameraProvider cameraProvider = cameraProviderFuture.get(); | ||
| bindPreview(cameraProvider); | ||
| } catch (ExecutionException | InterruptedException e) { | ||
| throw new RuntimeException(e); | ||
| } | ||
| }, ContextCompat.getMainExecutor(this)); | ||
| } | ||
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| @RequiresApi(api = Build.VERSION_CODES.P) | ||
| private void bindPreview(ProcessCameraProvider cameraProvider) { | ||
| ScanAnalyzer imageAnalyzer = new ScanAnalyzer(this); | ||
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| ImageAnalysis imageAnalysis = new ImageAnalysis.Builder() | ||
| .setTargetResolution(new Size(1280, 720)) | ||
| // .setTargetResolution(new Size(176, 144)) | ||
| .setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST) | ||
| .build(); | ||
| imageAnalysis.setAnalyzer(getMainExecutor(), imageAnalyzer); | ||
| CameraSelector cameraSelector = new CameraSelector.Builder().requireLensFacing(CameraSelector.LENS_FACING_BACK).build(); | ||
| Preview preview = new Preview.Builder().build(); | ||
| preview.setSurfaceProvider(cameraPreview.getSurfaceProvider()); | ||
| ViewPort viewPort = cameraPreview.getViewPort(); | ||
| /* ViewPort, viewPort = new ViewPort.Builder(new Rational( 1, 4), Surface.ROTATION_90).build(); */ | ||
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| Log.w(MainActivity.TAG, "ViewPort: " + cameraPreview.getScaleType() + " <> " + Objects.requireNonNull(viewPort).getAspectRatio()); | ||
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| if (viewPort != null) { | ||
| UseCaseGroup useCaseGroup = new UseCaseGroup.Builder() | ||
| .addUseCase(preview) | ||
| .addUseCase(imageAnalysis) | ||
| .setViewPort(viewPort) | ||
| .build(); | ||
| cameraProvider.unbindAll(); | ||
| Camera camera = cameraProvider.bindToLifecycle(this, cameraSelector, useCaseGroup);//, imageAnalysis,preview); | ||
| cameraControl = camera.getCameraControl(); | ||
| cameraControl.setLinearZoom(0f); | ||
| } | ||
| } | ||
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| @Override | ||
| protected void onResume() { | ||
| super.onResume(); | ||
| flashOn = false; | ||
| } | ||
| } |
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15 changes: 15 additions & 0 deletions
15
app/src/main/java/com/ngichtech/kenyaussd/custom/ISPConstants.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,15 @@ | ||
| package com.ngichtech.kenyaussd.custom; | ||
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| public class ISPConstants { | ||
| public final static String USSD_CODE_NAME_EXT = "_ussd_code_names"; | ||
| public final static String USSD_CODE_EXT = "_ussd_codes"; | ||
| public final static String ISP_LOGO_EXT = "_logo"; | ||
| public final static String ISP_NAME_EXT = "ISP_NAME"; | ||
| public final static String ISP_SLOGAN_EXT = "ISP_SLOGAN"; | ||
| public final static String ISP_NAME_SAFARICOM = "Safaricom"; | ||
| public final static String ISP_NAME_AIRTEL = "Airtel"; | ||
| public final static String ISP_NAME_TELKOM = "Telkom"; | ||
| public final static String ISP_NAME_FAIBA = "Faiba"; | ||
| public final static String ARRAY_TYPE = "array"; | ||
| public final static String DRAWABLE_TYPE = "drawable"; | ||
| } |
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