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increase brightness while showing the QR-Code #291

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increase brightness while showing the QR-Code #291

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bc14897
raise minimum API level to 33 (Android 13)
thestinger Apr 21, 2025
e62eae9
increase brightness while showing the QR-Code
empratyush Apr 22, 2025
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2 changes: 1 addition & 1 deletion app/build.gradle.kts
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Original file line number Diff line number Diff line change
Expand Up @@ -47,7 +47,7 @@ android {

defaultConfig {
applicationId = "app.attestation.auditor"
minSdk = 31
minSdk = 33
targetSdk = 35
versionCode = 89
versionName = versionCode.toString()
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21 changes: 20 additions & 1 deletion app/src/main/java/app/attestation/auditor/AttestationActivity.java
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Expand Up @@ -21,6 +21,7 @@
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.view.WindowManager;
import android.widget.LinearLayout;

import androidx.activity.EdgeToEdge;
Expand Down Expand Up @@ -331,18 +332,36 @@ public boolean onPreDraw() {
} else {
binding.content.imageview.setImageBitmap(createQrCode(data));
}
setMaxBrightness();
return true;
}
});
}

private void setMaxBrightness() {
setBrightness(WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_FULL);
}

private void resetToOriginalBrightness() {
setBrightness(WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE);
}

private void setBrightness(float value) {
WindowManager.LayoutParams layoutParams = getWindow().getAttributes();
layoutParams.screenBrightness = value;
getWindow().setAttributes(layoutParams);
}

private void runAuditor() {
if (auditorChallenge == null) {
auditorChallenge = AttestationProtocol.getChallengeMessage(this);
}
binding.content.textview.setText(R.string.qr_code_scan_hint_auditor);
chooseBestLayout(auditorChallenge);
binding.content.imageview.setOnClickListener(view -> startQrScanner());
binding.content.imageview.setOnClickListener(view -> {
startQrScanner();
resetToOriginalBrightness();
});
}

private void handleAttestation(final byte[] serialized) {
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14 changes: 4 additions & 10 deletions app/src/main/java/app/attestation/auditor/AttestationProtocol.java
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Expand Up @@ -8,6 +8,7 @@
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.ApplicationInfoFlags;
import android.os.Build;
import android.os.UserManager;
import android.provider.Settings;
Expand Down Expand Up @@ -1295,15 +1296,6 @@ static Certificate[] getCertificateChain(final KeyStore keyStore, final String a
return result;
}

@SuppressWarnings("deprecation")
static ApplicationInfo getApplicationInfo(final PackageManager pm, final String packageName,
final int flags) throws PackageManager.NameNotFoundException {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU) {
return pm.getApplicationInfo(packageName, flags);
}
return pm.getApplicationInfo(packageName, PackageManager.ApplicationInfoFlags.of(flags));
}

static AttestationResult generateSerialized(final Context context, final byte[] challengeMessage,
String index, final String statePrefix) throws GeneralSecurityException, IOException {
if (challengeMessage.length < CHALLENGE_MESSAGE_LENGTH) {
Expand Down Expand Up @@ -1406,7 +1398,9 @@ static AttestationResult generateSerialized(final Context context, final byte[]
if (activeAdmins != null) {
for (final ComponentName name : activeAdmins) {
try {
final ApplicationInfo info = getApplicationInfo(pm, name.getPackageName(), 0);
final String packageName = name.getPackageName();
final ApplicationInfo info =
pm.getApplicationInfo(packageName, ApplicationInfoFlags.of(0));
if ((info.flags & ApplicationInfo.FLAG_SYSTEM) == 0) {
deviceAdminNonSystem = true;
}
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4 changes: 1 addition & 3 deletions app/src/main/java/app/attestation/auditor/RemoteVerifyJob.java
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Expand Up @@ -120,9 +120,7 @@ static void schedule(final Context context, int interval) {
.setRequiredNetworkType(JobInfo.NETWORK_TYPE_ANY)
.setEstimatedNetworkBytes(ESTIMATED_DOWNLOAD_BYTES, ESTIMATED_UPLOAD_BYTES);
builder.setExpedited(true);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
builder.setPriority(JobInfo.PRIORITY_MAX);
}
builder.setPriority(JobInfo.PRIORITY_MAX);
if (scheduler.schedule(builder.build()) == JobScheduler.RESULT_FAILURE) {
throw new RuntimeException("job schedule failed");
}
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