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M66B
2021-05-02 09:48:08 +02:00
parent 476667ee3a
commit 54985562f1
4 changed files with 29 additions and 5 deletions
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25
app/src/main/java/eu/faircode/email/Helper.java
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@@ -143,6 +143,9 @@ import static android.os.Process.THREAD_PRIORITY_BACKGROUND;
import static androidx.browser.customtabs.CustomTabsService.ACTION_CUSTOM_TABS_CONNECTION;
public class Helper {
private static Boolean hasPlayStore = null;
private static Boolean hasValidFingerprint = null;
static final int NOTIFICATION_SYNCHRONIZE = 1;
static final int NOTIFICATION_SEND = 2;
static final int NOTIFICATION_EXTERNAL = 3;
@@ -468,6 +471,19 @@ public class Helper {
return BuildConfig.PLAY_STORE_RELEASE;
}
static boolean hasPlayStore(Context context) {
if (hasPlayStore == null)
try {
PackageManager pm = context.getPackageManager();
pm.getPackageInfo("com.android.vending", 0);
hasPlayStore = true;
} catch (Throwable ex) {
Log.w(ex);
hasPlayStore = false;
}
return hasPlayStore;
}
static boolean isSecure(Context context) {
try {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M) {
@@ -1427,9 +1443,12 @@ public class Helper {
}
static boolean hasValidFingerprint(Context context) {
String signed = getFingerprint(context);
String expected = context.getString(R.string.fingerprint);
return Objects.equals(signed, expected);
if (hasValidFingerprint == null) {
String signed = getFingerprint(context);
String expected = context.getString(R.string.fingerprint);
hasValidFingerprint = Objects.equals(signed, expected);
}
return hasValidFingerprint;
}
static boolean canAuthenticate(Context context) {