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android: qr scanner: allow tap to focus

Allow tap to focus in the android qr scanner as some devices don't
support autofocus. This should allow them to focus on some qr code.
This commit is contained in:
f321x
2025-12-22 15:02:01 +01:00
parent e09794c232
commit d1368db313

View File

@@ -95,7 +95,10 @@ public class SimpleScannerActivity extends Activity {
private void startCamera() { private void startCamera() {
if (mScannerView == null) { if (mScannerView == null) {
mScannerView = new BarcodeScannerView(this); mScannerView = new BarcodeScannerView(this);
mScannerView.setCropRatio(0.75f); // Set crop ratio to 75% (this defines the square area shown in the scanner view) // Set crop ratio to 75% (this defines the square area shown in the scanner view)
mScannerView.setCropRatio(0.75f);
// allow tap to focus (note: some devices don't support autofocus which is enabled by default)
mScannerView.setTapToFocus();
// by default only Format.QR_CODE is set // by default only Format.QR_CODE is set
ViewGroup contentFrame = (ViewGroup) findViewById(R.id.content_frame); ViewGroup contentFrame = (ViewGroup) findViewById(R.id.content_frame);
contentFrame.addView(mScannerView); contentFrame.addView(mScannerView);