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check if view is (still) available

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...since grid initialization is called in various places throughout the lifecycle

Fixes #1233

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>
This commit is contained in:
Andy Scherzinger 2021-06-29 12:31:32 +02:00
parent e9fb3eda84
commit 996770e470
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GPG key ID: 6CADC7E3523C308B
2 changed files with 114 additions and 80 deletions
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192
app/src/main/java/com/nextcloud/talk/controllers/CallController.java
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@ -516,58 +516,60 @@ public class CallController extends BaseController {
}
private void initGridAdapter() {
GridView gridView = conversationView.findViewById(R.id.gridview);
if (conversationView != null) {
GridView gridView = conversationView.findViewById(R.id.gridview);
int columns;
int participantsInGrid = participantDisplayItems.size();
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
if (participantsInGrid > 8) {
columns = 3;
} else if (participantsInGrid > 2) {
columns = 2;
int columns;
int participantsInGrid = participantDisplayItems.size();
if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
if (participantsInGrid > 8) {
columns = 3;
} else if (participantsInGrid > 2) {
columns = 2;
} else {
columns = 1;
}
} else {
columns = 1;
}
} else {
if (participantsInGrid > 8) {
columns = 4;
} else if (participantsInGrid > 2) {
columns = 3;
} else if (participantsInGrid > 1) {
columns = 2;
} else {
columns = 1;
if (participantsInGrid > 8) {
columns = 4;
} else if (participantsInGrid > 2) {
columns = 3;
} else if (participantsInGrid > 1) {
columns = 2;
} else {
columns = 1;
}
}
gridView.setNumColumns(columns);
RelativeLayout gridViewWrapper = conversationView.findViewById(R.id.conversationRelativeLayoutView);
gridViewWrapper.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
gridViewWrapper.getViewTreeObserver().removeOnGlobalLayoutListener(this);
int height = gridViewWrapper.getMeasuredHeight();
gridView.setMinimumHeight(height);
}
});
LinearLayout callInfosLinearLayout = conversationView.findViewById(R.id.callInfosLinearLayout);
callInfosLinearLayout.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
callInfosLinearLayout.getViewTreeObserver().removeOnGlobalLayoutListener(this);
}
});
participantsAdapter = new ParticipantsAdapter(
this.getActivity(),
participantDisplayItems,
gridViewWrapper,
callInfosLinearLayout,
columns,
isVoiceOnlyCall);
gridView.setAdapter(participantsAdapter);
}
gridView.setNumColumns(columns);
RelativeLayout gridViewWrapper = conversationView.findViewById(R.id.conversationRelativeLayoutView);
gridViewWrapper.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
gridViewWrapper.getViewTreeObserver().removeOnGlobalLayoutListener(this);
int height = gridViewWrapper.getMeasuredHeight();
gridView.setMinimumHeight(height);
}
});
LinearLayout callInfosLinearLayout = conversationView.findViewById(R.id.callInfosLinearLayout);
callInfosLinearLayout.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
@Override
public void onGlobalLayout() {
callInfosLinearLayout.getViewTreeObserver().removeOnGlobalLayoutListener(this);
}
});
participantsAdapter = new ParticipantsAdapter(
this.getActivity(),
participantDisplayItems,
gridViewWrapper,
callInfosLinearLayout,
columns,
isVoiceOnlyCall);
gridView.setAdapter(participantsAdapter);
}
@ -1586,27 +1588,29 @@ public class CallController extends BaseController {
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Observer<GenericOverall>() {
@Override
public void onSubscribe(Disposable d) {
public void onSubscribe(@io.reactivex.annotations.NonNull Disposable d) {
// unused atm
}
@Override
public void onNext(GenericOverall genericOverall) {
public void onNext(@io.reactivex.annotations.NonNull GenericOverall genericOverall) {
if (shutDownView && getActivity() != null) {
getActivity().finish();
} else if (!shutDownView && (currentCallStatus.equals(CallStatus.RECONNECTING) || currentCallStatus.equals(CallStatus.PUBLISHER_FAILED))) {
} else if (!shutDownView &&
(currentCallStatus == CallStatus.RECONNECTING ||
currentCallStatus == CallStatus.PUBLISHER_FAILED)) {
initiateCall();
}
}
@Override
public void onError(Throwable e) {
public void onError(@io.reactivex.annotations.NonNull Throwable e) {
// unused atm
}
@Override
public void onComplete() {
// unused atm
}
});
}
@ -1619,25 +1623,25 @@ public class CallController extends BaseController {
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Observer<GenericOverall>() {
@Override
public void onSubscribe(Disposable d) {
public void onSubscribe(@io.reactivex.annotations.NonNull Disposable d) {
// unused atm
}
@Override
public void onNext(GenericOverall genericOverall) {
public void onNext(@io.reactivex.annotations.NonNull GenericOverall genericOverall) {
if (shutDownView && getActivity() != null) {
getActivity().finish();
}
}
@Override
public void onError(Throwable e) {
public void onError(@io.reactivex.annotations.NonNull Throwable e) {
// unused atm
}
@Override
public void onComplete() {
// unused atm
}
});
}
@ -1713,12 +1717,12 @@ public class CallController extends BaseController {
.subscribeOn(Schedulers.io())
.subscribe(new Observer<ParticipantsOverall>() {
@Override
public void onSubscribe(Disposable d) {
public void onSubscribe(@io.reactivex.annotations.NonNull Disposable d) {
// unused atm
}
@Override
public void onNext(ParticipantsOverall participantsOverall) {
public void onNext(@io.reactivex.annotations.NonNull ParticipantsOverall participantsOverall) {
participantMap = new HashMap<>();
for (Participant participant : participantsOverall.getOcs().getData()) {
participantMap.put(participant.getSessionId(), participant);
@ -1726,13 +1730,13 @@ public class CallController extends BaseController {
}
@Override
public void onError(Throwable e) {
public void onError(@io.reactivex.annotations.NonNull Throwable e) {
Log.e(TAG, "error while executing getPeersForCall", e);
}
@Override
public void onComplete() {
// unused atm
}
});
}
@ -1759,18 +1763,45 @@ public class CallController extends BaseController {
} else {
if (hasMCU && publisher) {
magicPeerConnectionWrapper = new MagicPeerConnectionWrapper(peerConnectionFactory,
iceServers, sdpConstraintsForMCU, sessionId, callSession, localMediaStream, true, true, type);
iceServers,
sdpConstraintsForMCU,
sessionId, callSession,
localMediaStream,
true,
true,
type);
} else if (hasMCU) {
magicPeerConnectionWrapper = new MagicPeerConnectionWrapper(peerConnectionFactory,
iceServers, sdpConstraints, sessionId, callSession, null, false, true, type);
iceServers,
sdpConstraints,
sessionId,
callSession,
null,
false,
true,
type);
} else {
if (!"screen".equals(type)) {
magicPeerConnectionWrapper = new MagicPeerConnectionWrapper(peerConnectionFactory,
iceServers, sdpConstraints, sessionId, callSession, localMediaStream, false, false, type);
iceServers,
sdpConstraints,
sessionId,
callSession,
localMediaStream,
false,
false,
type);
} else {
magicPeerConnectionWrapper = new MagicPeerConnectionWrapper(peerConnectionFactory,
iceServers, sdpConstraints, sessionId, callSession, null, false, false, type);
iceServers,
sdpConstraints,
sessionId,
callSession,
null,
false,
false,
type);
}
}
@ -1818,10 +1849,13 @@ public class CallController extends BaseController {
private void removeMediaStream(String sessionId) {
Log.d(TAG, "removeMediaStream");
participantDisplayItems.remove(sessionId);
initGridAdapter();
if (callControls != null) {
callControls.setZ(100.0f);
if (!isBeingDestroyed() && !isDestroyed()) {
initGridAdapter();
if (callControls != null) {
callControls.setZ(100.0f);
}
}
}
@ -1928,23 +1962,23 @@ public class CallController extends BaseController {
.observeOn(Schedulers.io())
.subscribe(new Observer<Long>() {
@Override
public void onSubscribe(Disposable d) {
public void onSubscribe(@io.reactivex.annotations.NonNull Disposable d) {
// unused atm
}
@Override
public void onNext(Long aLong) {
public void onNext(@io.reactivex.annotations.NonNull Long aLong) {
magicPeerConnectionWrapper.sendNickChannelData(dataChannelMessage);
}
@Override
public void onError(Throwable e) {
public void onError(@io.reactivex.annotations.NonNull Throwable e) {
// unused atm
}
@Override
public void onComplete() {
// unused atm
}
});
break;

2
scripts/analysis/findbugs-results.txt
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@ -1 +1 @@
438
437