You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
127 lines
5.0 KiB
127 lines
5.0 KiB
package dev.garrettmills.starship.hyperlink;
|
|
|
|
import androidx.annotation.NonNull;
|
|
import androidx.appcompat.app.AppCompatActivity;
|
|
import androidx.camera.core.Camera;
|
|
import androidx.camera.core.CameraSelector;
|
|
import androidx.camera.core.ImageAnalysis;
|
|
import androidx.camera.core.Preview;
|
|
import androidx.camera.lifecycle.ProcessCameraProvider;
|
|
import androidx.camera.view.PreviewView;
|
|
import androidx.core.app.ActivityCompat;
|
|
import androidx.core.content.ContextCompat;
|
|
import androidx.lifecycle.LifecycleOwner;
|
|
|
|
import android.Manifest;
|
|
import android.content.pm.PackageManager;
|
|
import android.os.Bundle;
|
|
import android.util.Log;
|
|
import android.util.Size;
|
|
import android.view.View;
|
|
import android.widget.Button;
|
|
import android.widget.Toast;
|
|
|
|
import com.google.common.util.concurrent.ListenableFuture;
|
|
|
|
import java.util.concurrent.ExecutionException;
|
|
|
|
import dev.garrettmills.starship.hyperlink.scanner.QRCodeImageAnalyzer;
|
|
import dev.garrettmills.starship.hyperlink.scanner.QRCodeListener;
|
|
|
|
public class MainActivity extends AppCompatActivity {
|
|
private static final int PERMISSION_REQUEST_CAMERA = 0;
|
|
private PreviewView previewView;
|
|
private ListenableFuture<ProcessCameraProvider> cameraProviderFuture;
|
|
|
|
private Button qrCodeFoundButton;
|
|
private String qrCode;
|
|
|
|
@Override
|
|
protected void onCreate(Bundle savedInstanceState) {
|
|
super.onCreate(savedInstanceState);
|
|
Hyperlink.preferences = getSharedPreferences(Hyperlink.SHARED_PREFERENCES_NAME, MODE_PRIVATE);
|
|
|
|
setContentView(R.layout.activity_main);
|
|
previewView = findViewById(R.id.activity_main_previewView);
|
|
|
|
qrCodeFoundButton = findViewById(R.id.activity_main_qrCodeFoundButton);
|
|
qrCodeFoundButton.setVisibility(View.INVISIBLE);
|
|
qrCodeFoundButton.setOnClickListener(new View.OnClickListener() {
|
|
@Override
|
|
public void onClick(View v) {
|
|
Toast.makeText(getApplicationContext(), qrCode, Toast.LENGTH_LONG).show();
|
|
Log.i(MainActivity.class.getSimpleName(), "QR Code Found: " + qrCode);
|
|
}
|
|
});
|
|
|
|
cameraProviderFuture = ProcessCameraProvider.getInstance(this);
|
|
requestCamera();
|
|
}
|
|
|
|
protected void requestCamera() {
|
|
if (ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
|
|
startCamera();
|
|
} else {
|
|
if (ActivityCompat.shouldShowRequestPermissionRationale(this, Manifest.permission.CAMERA)) {
|
|
ActivityCompat.requestPermissions(MainActivity.this, new String[]{Manifest.permission.CAMERA}, PERMISSION_REQUEST_CAMERA);
|
|
} else {
|
|
ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CAMERA}, PERMISSION_REQUEST_CAMERA);
|
|
}
|
|
}
|
|
}
|
|
|
|
@Override
|
|
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
|
|
if (requestCode == PERMISSION_REQUEST_CAMERA) {
|
|
if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
|
|
startCamera();
|
|
} else {
|
|
Toast.makeText(this, "Camera Permission Denied", Toast.LENGTH_SHORT).show();
|
|
}
|
|
}
|
|
}
|
|
|
|
private void startCamera() {
|
|
cameraProviderFuture.addListener(() -> {
|
|
try {
|
|
ProcessCameraProvider cameraProvider = cameraProviderFuture.get();
|
|
bindCameraPreview(cameraProvider);
|
|
} catch (ExecutionException | InterruptedException e) {
|
|
Toast.makeText(this, "Error starting camera: " + e.getMessage(), Toast.LENGTH_LONG).show();
|
|
}
|
|
}, ContextCompat.getMainExecutor(this));
|
|
}
|
|
|
|
private void bindCameraPreview(@NonNull ProcessCameraProvider cameraProvider) {
|
|
previewView.setPreferredImplementationMode(PreviewView.ImplementationMode.SURFACE_VIEW);
|
|
|
|
Preview preview = new Preview.Builder().build();
|
|
|
|
CameraSelector cameraSelector = new CameraSelector.Builder()
|
|
.requireLensFacing(CameraSelector.LENS_FACING_BACK)
|
|
.build();
|
|
|
|
preview.setSurfaceProvider(previewView.createSurfaceProvider());
|
|
|
|
ImageAnalysis imageAnalysis = new ImageAnalysis.Builder()
|
|
.setTargetResolution(new Size(1280, 720))
|
|
.setBackpressureStrategy(ImageAnalysis.STRATEGY_KEEP_ONLY_LATEST)
|
|
.build();
|
|
|
|
imageAnalysis.setAnalyzer(ContextCompat.getMainExecutor(this), new QRCodeImageAnalyzer(new QRCodeListener() {
|
|
@Override
|
|
public void onQRCodeFound(String _qrCode) {
|
|
qrCode = _qrCode;
|
|
qrCodeFoundButton.setVisibility(View.VISIBLE);
|
|
}
|
|
|
|
@Override
|
|
public void onQRCodeNotFound() {
|
|
qrCodeFoundButton.setVisibility(View.INVISIBLE);
|
|
}
|
|
}));
|
|
|
|
Camera camera = cameraProvider.bindToLifecycle((LifecycleOwner) this, cameraSelector, imageAnalysis, preview);
|
|
}
|
|
}
|