父布局为ConstraintLayout时报错 #15
Comments
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另外大佬什么时间能修复呢？公司项目，否则我得copy源码，本地打包才能使用了。 |
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StateView 版本是多少？还有布局层次是 stateView.inject(ConstraintLayout) ? 还是其它情况，代码贴一下会更好找到问题，我这边 inject ConstraintLayout 是没有问题的 |
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我按照你指定的代码试着重现了下，确实是兼容有问题，发现 ConstraintLayout 的 remove 方法里 public void onViewRemoved(View view) {
if (android.os.Build.VERSION.SDK_INT >= 14) {
super.onViewRemoved(view);
}
this.mChildrenByIds.remove(view.getId());
ConstraintWidget widget = this.getViewWidget(view); // 有widget 的存在，还需要转换再 remove
this.mLayoutWidget.remove(widget);
this.mConstraintHelpers.remove(view);
this.mVariableDimensionsWidgets.remove(widget);
this.mDirtyHierarchy = true;
} public final ConstraintWidget getViewWidget(View view) {
if (view == this) {
return this.mLayoutWidget;
} else {
return view == null ? null : ((ConstraintLayout.LayoutParams)view.getLayoutParams()).widget;
}
}之后我会发个版本 |
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最新版本; |
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之后又抛出什么问题了？你说一下，我这边试着复现一下 |
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cl移除了rv，但是cl在layout的时候通过bottomToTop这个id又找到了Rv（其实rv的children 即SparseArray<View
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下班了，没有复现的环境，明天我给您一个复现场景和异常栈 |
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重现环境： ConstraintLayout.java:1144（从源码上看，有别的控件约束于Rv(aka: injectedView)时，就会出错。Rv加入到FrameLayout，变成了FrameLayout.LayoutParams，getTargetWidget中cast 就又错了） 具体： java.lang.ClassCastException: android.widget.FrameLayout$LayoutParams cannot be cast to android.support.constraint.ConstraintLayout$LayoutParams |
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布局发一下 |
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<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" </android.support.constraint.ConstraintLayout> margin、bg、style等请忽略 |
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没复现出来 <?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/constraint_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.github.nukc.sample.ConstraintLayoutActivity">
<TextView
android:id="@+id/text"
android:layout_width="0dp"
android:layout_height="wrap_content"
android:text="顶部"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:layout_constraintVertical_chainStyle="spread" />
<EditText
android:id="@+id/et_remark"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="12dp"
android:gravity="left|top"
app:layout_constraintBottom_toTopOf="@+id/recycler_view"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/text"
app:layout_constraintVertical_weight="1" />
<android.support.v7.widget.RecyclerView
android:id="@+id/recycler_view"
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_marginBottom="12dp"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="12dp"
app:layout_constraintBottom_toTopOf="@id/btn"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@id/et_remark"
app:layout_constraintVertical_weight="2" />
<Button
android:id="@+id/btn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Button"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent" />
</android.support.constraint.ConstraintLayout>mStateView = StateView.inject(findViewById(R.id.recycler_view)); |
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代码中是这样注入的, tartgetView即Rv，不介意的话能QQ(1018498538)上交流吗，这样效率慢了点。 } |
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Thanks. |
172行左右
源代码
FrameLayout root = new FrameLayout(parent.getContext());
root.setLayoutParams(parent.getLayoutParams());
ViewGroup.LayoutParams layoutParams = new ViewGroup.LayoutParams(
ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
parent.setLayoutParams(layoutParams);
应该改为
FrameLayout root = new FrameLayout(parent.getContext());
root.setLayoutParams(parent.getLayoutParams());
在rootGroup.removeView(parent);之前设置parent.setLayoutParams(layoutParams);会导致remove时viewGroup cast 错误
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