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Code Issues Projects Releases Wiki Activity

Merge pull request #9135 from devlearner/routeractivity-screen-rotate 

Improve screen rotation handling in Open action menu
This commit is contained in:
Stypox 2023-01-11 15:20:47 +01:00 committed by GitHub
parent 87976693f8 944e295ae7
commit eed44b3231
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 244 additions and 52 deletions
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296
app/src/main/java/org/schabi/newpipe/RouterActivity.java
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@ -10,12 +10,14 @@ import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.os.Build;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.ContextThemeWrapper;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.RadioButton;
import android.widget.RadioGroup;
@ -31,7 +33,12 @@ import androidx.appcompat.content.res.AppCompatResources;
import androidx.core.app.NotificationCompat;
import androidx.core.app.ServiceCompat;
import androidx.core.math.MathUtils;
import androidx.fragment.app.DialogFragment;
import androidx.fragment.app.Fragment;
import androidx.fragment.app.FragmentManager;
import androidx.lifecycle.DefaultLifecycleObserver;
import androidx.lifecycle.Lifecycle;
import androidx.lifecycle.LifecycleOwner;
import androidx.preference.PreferenceManager;
import org.schabi.newpipe.database.stream.model.StreamEntity;
@ -80,9 +87,12 @@ import org.schabi.newpipe.util.urlfinder.UrlFinder;
import org.schabi.newpipe.views.FocusOverlayView;
import java.io.Serializable;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.function.Consumer;
import icepick.Icepick;
import icepick.State;
@ -91,7 +101,6 @@ import io.reactivex.rxjava3.core.Observable;
import io.reactivex.rxjava3.core.Single;
import io.reactivex.rxjava3.disposables.CompositeDisposable;
import io.reactivex.rxjava3.disposables.Disposable;
import io.reactivex.rxjava3.functions.Consumer;
import io.reactivex.rxjava3.schedulers.Schedulers;
/**
@ -111,12 +120,57 @@ public class RouterActivity extends AppCompatActivity {
private boolean selectionIsDownload = false;
private boolean selectionIsAddToPlaylist = false;
private AlertDialog alertDialogChoice = null;
private FragmentManager.FragmentLifecycleCallbacks dismissListener = null;
@Override
protected void onCreate(final Bundle savedInstanceState) {
ThemeHelper.setDayNightMode(this);
setTheme(ThemeHelper.isLightThemeSelected(this)
? R.style.RouterActivityThemeLight : R.style.RouterActivityThemeDark);
Localization.assureCorrectAppLanguage(this);
// Pass-through touch events to background activities
// so that our transparent window won't lock UI in the mean time
// network request is underway before showing PlaylistDialog or DownloadDialog
// (ref: https://stackoverflow.com/a/10606141)
getWindow().addFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
| WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL
| WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE);
// Android never fails to impress us with a list of new restrictions per API.
// Starting with S (Android 12) one of the prerequisite conditions has to be met
// before the FLAG_NOT_TOUCHABLE flag is allowed to kick in:
// @see WindowManager.LayoutParams#FLAG_NOT_TOUCHABLE
// For our present purpose it seems we can just set LayoutParams.alpha to 0
// on the strength of "4. Fully transparent windows" without affecting the scrim of dialogs
final WindowManager.LayoutParams params = getWindow().getAttributes();
params.alpha = 0f;
getWindow().setAttributes(params);
super.onCreate(savedInstanceState);
Icepick.restoreInstanceState(this, savedInstanceState);
// FragmentManager will take care to recreate (Playlist|Download)Dialog when screen rotates
// We used to .setOnDismissListener(dialog -> finish()); when creating these DialogFragments
// but those callbacks won't survive a config change
// Try an alternate approach to hook into FragmentManager instead, to that effect
// (ref: https://stackoverflow.com/a/44028453)
final FragmentManager fm = getSupportFragmentManager();
if (dismissListener == null) {
dismissListener = new FragmentManager.FragmentLifecycleCallbacks() {
@Override
public void onFragmentDestroyed(@NonNull final FragmentManager fm,
@NonNull final Fragment f) {
super.onFragmentDestroyed(fm, f);
if (f instanceof DialogFragment && fm.getFragments().isEmpty()) {
// No more DialogFragments, we're done
finish();
}
}
};
}
fm.registerFragmentLifecycleCallbacks(dismissListener, false);
if (TextUtils.isEmpty(currentUrl)) {
currentUrl = getUrl(getIntent());
@ -125,11 +179,6 @@ public class RouterActivity extends AppCompatActivity {
finish();
}
}
ThemeHelper.setDayNightMode(this);
setTheme(ThemeHelper.isLightThemeSelected(this)
? R.style.RouterActivityThemeLight : R.style.RouterActivityThemeDark);
Localization.assureCorrectAppLanguage(this);
}
@Override
@ -151,16 +200,34 @@ public class RouterActivity extends AppCompatActivity {
protected void onStart() {
super.onStart();
handleUrl(currentUrl);
// Don't overlap the DialogFragment after rotating the screen
// If there's no DialogFragment, we're either starting afresh
// or we didn't make it to PlaylistDialog or DownloadDialog before the orientation change
if (getSupportFragmentManager().getFragments().isEmpty()) {
// Start over from scratch
handleUrl(currentUrl);
}
}
@Override
protected void onDestroy() {
super.onDestroy();
if (dismissListener != null) {
getSupportFragmentManager().unregisterFragmentLifecycleCallbacks(dismissListener);
}
disposables.clear();
}
@Override
public void finish() {
// allow the activity to recreate in case orientation changes
if (!isChangingConfigurations()) {
super.finish();
}
}
private void handleUrl(final String url) {
disposables.add(Observable
.fromCallable(() -> {
@ -240,7 +307,7 @@ public class RouterActivity extends AppCompatActivity {
}
}
private void showUnsupportedUrlDialog(final String url) {
protected void showUnsupportedUrlDialog(final String url) {
final Context context = getThemeWrapperContext();
new AlertDialog.Builder(context)
.setTitle(R.string.unsupported_url)
@ -527,7 +594,7 @@ public class RouterActivity extends AppCompatActivity {
return returnedItems;
}
private Context getThemeWrapperContext() {
protected Context getThemeWrapperContext() {
return new ContextThemeWrapper(this, ThemeHelper.isLightThemeSelected(this)
? R.style.LightTheme : R.style.DarkTheme);
}
@ -634,54 +701,179 @@ public class RouterActivity extends AppCompatActivity {
return playerType == null || playerType == PlayerType.MAIN;
}
private void openAddToPlaylistDialog() {
// Getting the stream info usually takes a moment
// Notifying the user here to ensure that no confusion arises
Toast.makeText(
getApplicationContext(),
getString(R.string.processing_may_take_a_moment),
Toast.LENGTH_SHORT)
.show();
public static class PersistentFragment extends Fragment {
private WeakReference<AppCompatActivity> weakContext;
private final CompositeDisposable disposables = new CompositeDisposable();
private int running = 0;
disposables.add(ExtractorHelper.getStreamInfo(currentServiceId, currentUrl, false)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(
info -> PlaylistDialog.createCorrespondingDialog(
getThemeWrapperContext(),
List.of(new StreamEntity(info)),
playlistDialog -> {
playlistDialog.setOnDismissListener(dialog -> finish());
private synchronized void inFlight(final boolean started) {
if (started) {
running++;
} else {
running--;
if (running <= 0) {
getActivityContext().ifPresent(context -> context.getSupportFragmentManager()
.beginTransaction().remove(this).commit());
}
}
}
playlistDialog.show(
this.getSupportFragmentManager(),
"addToPlaylistDialog"
);
}
),
throwable -> handleError(this, new ErrorInfo(
throwable,
UserAction.REQUESTED_STREAM,
"Tried to add " + currentUrl + " to a playlist",
currentService.getServiceId())
)
)
);
@Override
public void onAttach(@NonNull final Context activityContext) {
super.onAttach(activityContext);
weakContext = new WeakReference<>((AppCompatActivity) activityContext);
}
@Override
public void onDetach() {
super.onDetach();
weakContext = null;
}
@SuppressWarnings("deprecation")
@Override
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setRetainInstance(true);
}
@Override
public void onDestroy() {
super.onDestroy();
disposables.clear();
}
/**
* @return the activity context, if there is one and the activity is not finishing
*/
private Optional<AppCompatActivity> getActivityContext() {
return Optional.ofNullable(weakContext)
.flatMap(context -> Optional.ofNullable(context.get()))
.filter(context -> !context.isFinishing());
}
// guard against IllegalStateException in calling DialogFragment.show() whilst in background
// (which could happen, say, when the user pressed the home button while waiting for
// the network request to return) when it internally calls FragmentTransaction.commit()
// after the FragmentManager has saved its states (isStateSaved() == true)
// (ref: https://stackoverflow.com/a/39813506)
private void runOnVisible(final Consumer<AppCompatActivity> runnable) {
getActivityContext().ifPresentOrElse(context -> {
if (getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.STARTED)) {
context.runOnUiThread(() -> {
runnable.accept(context);
inFlight(false);
});
} else {
getLifecycle().addObserver(new DefaultLifecycleObserver() {
@Override
public void onResume(@NonNull final LifecycleOwner owner) {
getLifecycle().removeObserver(this);
getActivityContext().ifPresentOrElse(context ->
context.runOnUiThread(() -> {
runnable.accept(context);
inFlight(false);
}),
() -> inFlight(false)
);
}
});
// this trick doesn't seem to work on Android 10+ (API 29)
// which places restrictions on starting activities from the background
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q
&& !context.isChangingConfigurations()) {
// try to bring the activity back to front if minimised
final Intent i = new Intent(context, RouterActivity.class);
i.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
startActivity(i);
}
}
}, () -> {
// this branch is executed if there is no activity context
inFlight(false);
});
}
<T> Single<T> pleaseWait(final Single<T> single) {
// 'abuse' ambWith() here to cancel the toast for us when the wait is over
return single.ambWith(Single.create(emitter -> getActivityContext().ifPresent(context ->
context.runOnUiThread(() -> {
// Getting the stream info usually takes a moment
// Notifying the user here to ensure that no confusion arises
final Toast toast = Toast.makeText(context,
getString(R.string.processing_may_take_a_moment),
Toast.LENGTH_LONG);
toast.show();
emitter.setCancellable(toast::cancel);
}))));
}
@SuppressLint("CheckResult")
private void openDownloadDialog(final int currentServiceId, final String currentUrl) {
inFlight(true);
disposables.add(ExtractorHelper.getStreamInfo(currentServiceId, currentUrl, true)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.compose(this::pleaseWait)
.subscribe(result ->
runOnVisible(ctx -> {
final FragmentManager fm = ctx.getSupportFragmentManager();
final DownloadDialog downloadDialog = new DownloadDialog(ctx, result);
// dismiss listener to be handled by FragmentManager
downloadDialog.show(fm, "downloadDialog");
}
), throwable -> runOnVisible(ctx ->
((RouterActivity) ctx).showUnsupportedUrlDialog(currentUrl))));
}
private void openAddToPlaylistDialog(final int currentServiceId, final String currentUrl) {
inFlight(true);
disposables.add(ExtractorHelper.getStreamInfo(currentServiceId, currentUrl, false)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.compose(this::pleaseWait)
.subscribe(
info -> getActivityContext().ifPresent(context ->
PlaylistDialog.createCorrespondingDialog(context,
List.of(new StreamEntity(info)),
playlistDialog -> runOnVisible(ctx -> {
// dismiss listener to be handled by FragmentManager
final FragmentManager fm =
ctx.getSupportFragmentManager();
playlistDialog.show(fm, "addToPlaylistDialog");
})
)),
throwable -> runOnVisible(ctx -> handleError(ctx, new ErrorInfo(
throwable,
UserAction.REQUESTED_STREAM,
"Tried to add " + currentUrl + " to a playlist",
((RouterActivity) ctx).currentService.getServiceId())
))
)
);
}
}
@SuppressLint("CheckResult")
private void openDownloadDialog() {
disposables.add(ExtractorHelper.getStreamInfo(currentServiceId, currentUrl, true)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(result -> {
final DownloadDialog downloadDialog = new DownloadDialog(this, result);
downloadDialog.setOnDismissListener(dialog -> finish());
private void openAddToPlaylistDialog() {
getPersistFragment().openAddToPlaylistDialog(currentServiceId, currentUrl);
}
final FragmentManager fm = getSupportFragmentManager();
downloadDialog.show(fm, "downloadDialog");
fm.executePendingTransactions();
}, throwable -> showUnsupportedUrlDialog(currentUrl)));
private void openDownloadDialog() {
getPersistFragment().openDownloadDialog(currentServiceId, currentUrl);
}
private PersistentFragment getPersistFragment() {
final FragmentManager fm = getSupportFragmentManager();
PersistentFragment persistFragment =
(PersistentFragment) fm.findFragmentByTag("PERSIST_FRAGMENT");
if (persistFragment == null) {
persistFragment = new PersistentFragment();
fm.beginTransaction()
.add(persistFragment, "PERSIST_FRAGMENT")
.commitNow();
}
return persistFragment;
}
@Override