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FairEmail/app/src/main/java/eu/faircode/email/FixedRecyclerView.java

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package eu.faircode.email;
/*
This file is part of FairEmail.
FairEmail is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
FairEmail is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
Copyright 2018-2021 by Marcel Bokhorst (M66B)
*/
import android.content.Context;
import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.StateListDrawable;
import android.util.AttributeSet;
import android.view.MotionEvent;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import androidx.recyclerview.widget.FastScrollerEx;
import androidx.recyclerview.widget.RecyclerView;
public class FixedRecyclerView extends RecyclerView {
public FixedRecyclerView(@NonNull Context context) {
super(context);
initFastScrollerEx(context, null, R.attr.recyclerViewStyle);
}
public FixedRecyclerView(@NonNull Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
initFastScrollerEx(context, attrs, R.attr.recyclerViewStyle);
}
public FixedRecyclerView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
initFastScrollerEx(context, attrs, defStyle);
}
private void initFastScrollerEx(Context context, AttributeSet attrs, int defStyleAttr) {
TypedArray a = context.obtainStyledAttributes(attrs, R.styleable.RecyclerView,
defStyleAttr, 0);
StateListDrawable verticalThumbDrawable = (StateListDrawable) a
.getDrawable(R.styleable.RecyclerView_fastScrollVerticalThumbDrawable);
Drawable verticalTrackDrawable = a
.getDrawable(R.styleable.RecyclerView_fastScrollVerticalTrackDrawable);
StateListDrawable horizontalThumbDrawable = (StateListDrawable) a
.getDrawable(R.styleable.RecyclerView_fastScrollHorizontalThumbDrawable);
Drawable horizontalTrackDrawable = a
.getDrawable(R.styleable.RecyclerView_fastScrollHorizontalTrackDrawable);
Resources resources = getContext().getResources();
new FastScrollerEx(this, verticalThumbDrawable, verticalTrackDrawable,
horizontalThumbDrawable, horizontalTrackDrawable,
resources.getDimensionPixelSize(R.dimen.fastscroll_default_thickness),
resources.getDimensionPixelSize(R.dimen.fastscroll_minimum_range),
resources.getDimensionPixelOffset(R.dimen.fastscroll_margin));
}
@Override
public boolean onTouchEvent(MotionEvent e) {
try {
return super.onTouchEvent(e);
} catch (IllegalArgumentException ex) {
/*
java.lang.IllegalArgumentException: Position cannot be NO_POSITION.
java.lang.IllegalArgumentException: Position cannot be NO_POSITION.
at androidx.core.util.Preconditions.checkArgument(SourceFile:52)
at androidx.recyclerview.selection.Range.extendRange(SourceFile:83)
at androidx.recyclerview.selection.DefaultSelectionTracker.extendRange(SourceFile:299)
at androidx.recyclerview.selection.DefaultSelectionTracker.extendProvisionalRange(SourceFile:282)
at androidx.recyclerview.selection.GestureSelectionHelper.extendSelection(SourceFile:215)
at androidx.recyclerview.selection.GestureSelectionHelper.handleMoveEvent(SourceFile:192)
at androidx.recyclerview.selection.GestureSelectionHelper.handleTouch(SourceFile:145)
at androidx.recyclerview.selection.GestureSelectionHelper.onTouchEvent(SourceFile:111)
at androidx.recyclerview.selection.TouchEventRouter.onTouchEvent(SourceFile:103)
at androidx.recyclerview.widget.RecyclerView.dispatchOnItemTouch(SourceFile:2947)
at androidx.recyclerview.widget.RecyclerView.onTouchEvent(SourceFile:3090)
*/
Log.w(ex);
return false;
} catch (NullPointerException ex) {
/*
java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getTop()' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getTop()' on a null object reference
at androidx.recyclerview.selection.GestureSelectionHelper$RecyclerViewDelegate.getLastGlidedItemPosition(SourceFile:287)
at androidx.recyclerview.selection.GestureSelectionHelper.handleMoveEvent(SourceFile:202)
at androidx.recyclerview.selection.GestureSelectionHelper.handleTouch(SourceFile:151)
at androidx.recyclerview.selection.GestureSelectionHelper.onInterceptTouchEvent(SourceFile:118)
at androidx.recyclerview.selection.TouchEventRouter.onInterceptTouchEvent(SourceFile:91)
at androidx.recyclerview.widget.RecyclerView.dispatchOnItemTouch(SourceFile:2962)
at androidx.recyclerview.widget.RecyclerView.onTouchEvent(SourceFile:3090)
*/
Log.w(ex);
return false;
} catch (IllegalStateException ex) {
// Range start point not set
Log.w(ex);
return false;
} catch (IndexOutOfBoundsException ex) {
/*
java.lang.ArrayIndexOutOfBoundsException: length=5; index=7
at java.util.Arrays$ArrayList.get(Arrays.java:3766)
at androidx.recyclerview.selection.ToolHandlerRegistry.get(SourceFile:69)
at androidx.recyclerview.selection.EventRouter.onInterceptTouchEvent(SourceFile:57)
at androidx.recyclerview.widget.RecyclerView.findInterceptingOnItemTouchListener(SourceFile:3151)
at androidx.recyclerview.widget.RecyclerView.dispatchToOnItemTouchListeners(SourceFile:3122)
at androidx.recyclerview.widget.RecyclerView.onTouchEvent(SourceFile:3283)
*/
Log.w(ex);
return false;
}
}
@Override
public boolean onInterceptTouchEvent(MotionEvent e) {
try {
return super.onInterceptTouchEvent(e);
} catch (Throwable ex) {
// IllegalStateException: Range start point not set
/*
java.lang.NullPointerException: Attempt to invoke virtual method 'int android.view.View.getTop()' on a null object reference
at androidx.recyclerview.selection.GestureSelectionHelper$RecyclerViewDelegate.getLastGlidedItemPosition(SourceFile:276)
at androidx.recyclerview.selection.GestureSelectionHelper.handleMoveEvent(SourceFile:191)
at androidx.recyclerview.selection.GestureSelectionHelper.onTouchEvent(SourceFile:141)
at androidx.recyclerview.selection.GestureSelectionHelper.onInterceptTouchEvent(SourceFile:108)
at androidx.recyclerview.selection.EventRouter.onInterceptTouchEvent(SourceFile:57)
at androidx.recyclerview.widget.RecyclerView.findInterceptingOnItemTouchListener(SourceFile:3153)
at androidx.recyclerview.widget.RecyclerView.onInterceptTouchEvent(SourceFile:3172)
at eu.faircode.email.FixedRecyclerView.onInterceptTouchEvent(SourceFile:128)
at android.view.ViewGroup.dispatchTouchEvent(ViewGroup.java:2609)
at android.view.ViewGroup.dispatchTransformedTouchEvent(ViewGroup.java:3060)
*/
Log.w(ex);
return false;
}
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
try {
super.onLayout(changed, l, t, r, b);
} catch (Throwable ex) {
Log.w(ex);
/*
java.lang.IllegalArgumentException: Comparison method violates its general contract!
at java.util.TimSort.mergeHi(TimSort.java:864)
at java.util.TimSort.mergeAt(TimSort.java:481)
at java.util.TimSort.mergeForceCollapse(TimSort.java:422)
at java.util.TimSort.sort(TimSort.java:219)
at java.util.TimSort.sort(TimSort.java:169)
at java.util.Arrays.sort(Arrays.java:2010)
at java.util.Collections.sort(Collections.java:1883)
at android.view.ViewGroup$ChildListForAccessibility.init(ViewGroup.java:7181)
at android.view.ViewGroup$ChildListForAccessibility.obtain(ViewGroup.java:7138)
at android.view.ViewGroup.dispatchPopulateAccessibilityEventInternal(ViewGroup.java:2734)
at android.view.View.dispatchPopulateAccessibilityEvent(View.java:5617)
at android.view.ViewGroup.dispatchPopulateAccessibilityEventInternal(ViewGroup.java:2740)
at android.view.View.dispatchPopulateAccessibilityEvent(View.java:5617)
at android.view.ViewGroup.dispatchPopulateAccessibilityEventInternal(ViewGroup.java:2740)
at android.view.View$AccessibilityDelegate.dispatchPopulateAccessibilityEvent(View.java:21273)
at android.view.View.dispatchPopulateAccessibilityEvent(View.java:5615)
at android.view.View.sendAccessibilityEventUncheckedInternal(View.java:5582)
at android.view.View$AccessibilityDelegate.sendAccessibilityEventUnchecked(View.java:21252)
at android.view.View.sendAccessibilityEventUnchecked(View.java:5564)
at android.view.View.sendAccessibilityEventInternal(View.java:5543)
at android.view.View$AccessibilityDelegate.sendAccessibilityEvent(View.java:21210)
at android.view.View.sendAccessibilityEvent(View.java:5510)
at android.view.View.onFocusChanged(View.java:5449)
at android.view.View.handleFocusGainInternal(View.java:5229)
at android.view.ViewGroup.handleFocusGainInternal(ViewGroup.java:651)
at android.view.View.requestFocusNoSearch(View.java:7950)
at android.view.View.requestFocus(View.java:7929)
at android.view.ViewGroup.requestFocus(ViewGroup.java:2612)
at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java:2657)
at android.view.ViewGroup.requestFocus(ViewGroup.java:2613)
at android.view.ViewGroup.onRequestFocusInDescendants(ViewGroup.java:2657)
at android.view.ViewGroup.requestFocus(ViewGroup.java:2613)
at android.view.View.requestFocus(View.java:7896)
at android.view.View.requestFocus(View.java:7875)
at androidx.recyclerview.widget.RecyclerView.recoverFocusFromState(SourceFile:4074)
at androidx.recyclerview.widget.RecyclerView.dispatchLayoutStep3(SourceFile:4313)
at androidx.recyclerview.widget.RecyclerView.dispatchLayout(SourceFile:3937)
at androidx.recyclerview.widget.RecyclerView.onLayout(SourceFile:4484)
at android.view.View.layout(View.java:16076)
*/
}
}
}
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