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track AppDetails visibility to improve Notification UX

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If AppDetails is visible, then it'll automatically launch the install
process, and there is no need to put up a "Tap to install" notification.

And of course, whenever I search stackoverflow, I find an answer from
@commonsguy :)
https://stackoverflow.com/questions/18038399/how-to-check-if-activity-is-in-foreground-or-in-visible-background/18469643#18469643
This commit is contained in:
Hans-Christoph Steiner 2016-05-11 14:32:52 +02:00
parent 2080d77e6b
commit e75143530f
2 changed files with 28 additions and 1 deletions
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11
app/src/main/java/org/fdroid/fdroid/AppDetails.java
View File

@ -110,6 +110,15 @@ public class AppDetails extends AppCompatActivity {
private FDroidApp fdroidApp;
private ApkListAdapter adapter;
/**
* Check if {@code packageName} is currently visible to the user.
*/
public static boolean isAppVisible(String packageName) {
return packageName != null && packageName.equals(visiblePackageName);
}
private static String visiblePackageName;
private static class ViewHolder {
TextView version;
TextView status;
@ -437,6 +446,7 @@ public class AppDetails extends AppCompatActivity {
if (DownloaderService.isQueuedOrActive(activeDownloadUrlString)) {
registerDownloaderReceivers();
}
visiblePackageName = app.packageName;
}
/**
@ -458,6 +468,7 @@ public class AppDetails extends AppCompatActivity {
@Override
protected void onPause() {
super.onPause();
visiblePackageName = null;
// save the active URL for this app in case we come back
PreferencesCompat.apply(getPreferences(MODE_PRIVATE)
.edit()

16
app/src/main/java/org/fdroid/fdroid/installer/InstallManagerService.java
View File

@ -175,7 +175,11 @@ public class InstallManagerService extends Service {
// TODO these need to be removed based on whether they are fed to InstallerService or not
Apk apk = ACTIVE_APKS.remove(urlString);
ACTIVE_APPS.remove(apk.packageName);
if (AppDetails.isAppVisible(apk.packageName)) {
cancelNotification(urlString);
} else {
notifyDownloadComplete(apk, urlString);
}
unregisterDownloaderReceivers(urlString);
}
};
@ -186,6 +190,9 @@ public class InstallManagerService extends Service {
Apk apk = ACTIVE_APKS.remove(urlString);
ACTIVE_APPS.remove(apk.packageName);
unregisterDownloaderReceivers(urlString);
if (AppDetails.isAppVisible(apk.packageName)) {
cancelNotification(urlString);
}
}
};
localBroadcastManager.registerReceiver(startedReceiver,
@ -269,6 +276,15 @@ public class InstallManagerService extends Service {
nm.notify(downloadUrlId, builder.build());
}
/**
* Cancel the {@link Notification} tied to {@code urlString}, which is the
* unique ID used to represent a given APK file. {@link String#hashCode()}
* converts {@code urlString} to the required {@code int}.
*/
private void cancelNotification(String urlString) {
notificationManager.cancel(urlString.hashCode());
}
/**
* Install an APK, checking the cache and downloading if necessary before starting the process.
* All notifications are sent as an {@link Intent} via local broadcasts to be received by