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Code Issues Projects Releases Wiki Activity

[android] Save list position in threaded conversations

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This commit is contained in:
Torsten Grote
2019-02-28 13:53:57 -03:00
parent 0a5a8310fc
commit 50bd4cce6b
1 changed files with 18 additions and 1 deletions
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19
briar-android/src/main/java/org/briarproject/briar/android/threaded/ThreadListActivity.java
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@@ -3,6 +3,7 @@ package org.briarproject.briar.android.threaded;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.os.Parcelable;
import android.support.annotation.CallSuper;
import android.support.annotation.StringRes;
import android.support.annotation.UiThread;
@@ -67,6 +68,8 @@ public abstract class ThreadListActivity<G extends NamedGroup, I extends ThreadI
protected GroupId groupId;
private UnreadMessageButton upButton, downButton;
@Nullable
private Parcelable layoutManagerState;
@Nullable
private MessageId replyId;
protected abstract ThreadListController<G, I> getController();
@@ -76,7 +79,6 @@ public abstract class ThreadListActivity<G extends NamedGroup, I extends ThreadI
@CallSuper
@Override
@SuppressWarnings("ConstantConditions")
public void onCreate(@Nullable Bundle state) {
super.onCreate(state);
@@ -213,6 +215,11 @@ public abstract class ThreadListActivity<G extends NamedGroup, I extends ThreadI
adapter.setItemWithIdVisible(messageId);
updateUnreadCount();
list.showData();
if (layoutManagerState == null) {
list.scrollToPosition(0); // Scroll to the top
} else {
layoutManager.onRestoreInstanceState(layoutManagerState);
}
}
protected void loadSharingContacts() {
@@ -253,11 +260,21 @@ public abstract class ThreadListActivity<G extends NamedGroup, I extends ThreadI
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
if (layoutManager != null) {
layoutManagerState = layoutManager.onSaveInstanceState();
outState.putParcelable("layoutManager", layoutManagerState);
}
if (replyId != null) {
outState.putByteArray(KEY_REPLY_ID, replyId.getBytes());
}
}
@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
super.onRestoreInstanceState(savedInstanceState);
layoutManagerState = savedInstanceState.getParcelable("layoutManager");
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {