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Adjust brightness to its maximum when displaying a card

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Some users have mentioned that a barcode scanner has the best
success when the screen is at its brightest. To enable the best
results, the screen brightness will now be adjusted to its
maximum when displaying a loyalty card.

https://github.com/brarcher/loyalty-card-locker/issues/21
This commit is contained in:
Branden Archer
2016-07-19 23:42:36 -04:00
parent a32415b4d2
commit 9492d206d9
1 changed files with 16 additions and 0 deletions
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16
app/src/main/java/protect/card_locker/LoyaltyCardViewActivity.java
View File

@@ -14,6 +14,8 @@ import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.ViewTreeObserver;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
@@ -56,6 +58,20 @@ public class LoyaltyCardViewActivity extends AppCompatActivity
Log.i(TAG, "To view card: " + loyaltyCardId);
if(viewLoyaltyCard)
{
// The brightness value is on a scale from [0, ..., 1], where
// '1' is the brightest. We attempt to maximize the brightness
// to help barcode readers scan the barcode.
Window window = getWindow();
if(window != null)
{
WindowManager.LayoutParams attributes = window.getAttributes();
attributes.screenBrightness = 1F;
window.setAttributes(attributes);
}
}
final EditText storeField = (EditText) findViewById(R.id.storeName);
final EditText noteField = (EditText) findViewById(R.id.note);
final EditText cardIdField = (EditText) findViewById(R.id.cardId);