我正在使用自然包含片段的ViewPager。在其中一个碎片中,我有一个子碎片(儿童碎片(每个孩子的碎片都包含一个按钮,该按钮调用以下内容以替换孩子片段本身
FragmentManager manager = getChildFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
transaction.replace(R.id.containerProfileDetails, new ProfileDetailsAddressFragment());
transaction.commit();
只是为了使其更具视觉效果:
1(是父片
2(是孩子的碎片。我需要通过按下孩子片段本身内部的按钮来替换孩子碎片
┌--------┐
| 1 |
| ┌-----┐|
| | 2 ||
| | ||
| └-----┘|
└--------┘
注意:我知道可以使用这种方法替换片段,但是,似乎不可能用子片段在错误下丢弃时进行此操作。
java.lang.IllegalArgumentException: No view found for id 0x7f0f0104 (com.example.app:id/containerProfileDetails) for fragment ProfileDetailsAddressFragment
update
父片XML:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:gravity="center"
tools:context="com.example.app.fragments.ProfileDetailsFragment">
<TextView
android:id="@+id/lbl_page"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:textSize="42sp"
tools:text="2"
android:visibility="gone"/>
<FrameLayout
android:id="@+id/containerProfileDetails"
android:layout_width="match_parent"
android:layout_height="match_parent"
></FrameLayout>
</LinearLayout>
儿童碎片xml:
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.app.fragments.ProfileDetailsUserFragment">
<TextView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="Fragment Profile User Details" />
<Button
android:id="@+id/btnProfileDetailsUserNext"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="bottom|center"/>
</FrameLayout>
父片java:
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_profile_details, container, false);
lblPage = (TextView) view.findViewById(R.id.lbl_page);
FragmentManager manager = getChildFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
transaction.add(R.id.containerProfileDetails, new ProfileDetailsUserFragment());
transaction.commit();
return view;
}
儿童碎片Java:
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View v = inflater.inflate(R.layout.fragment_profile_details_user, container, false);
Button _btnProfileDetailsUserNext = (Button) v.findViewById(R.id.btnProfileDetailsUserNext);
_btnProfileDetailsUserNext.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
FragmentManager manager = getChildFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
transaction.replace(R.id.containerProfileDetails, new ProfileDetailsAddressFragment());
transaction.commit();
}
});
return v;
}
用以下
替换父母片段和子片段代码
parent_fragment.java
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_profile_details, container, false);
lblPage = (TextView) view.findViewById(R.id.lbl_page);
FragmentManager manager = getChildFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
transaction.add(R.id.containerProfileDetails, new ProfileDetailsUserFragment());
transaction.commit();
return view;
}
child_fragment.java
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
View v = inflater.inflate(R.layout.fragment_profile_details_user, container, false);
Button _btnProfileDetailsUserNext = (Button) v.findViewById(R.id.btnProfileDetailsUserNext);
_btnProfileDetailsUserNext.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
FragmentManager manager = getFragmentManager();
FragmentTransaction transaction = manager.beginTransaction();
transaction.replace(R.id.containerProfileDetails, new ProfileDetailsAddressFragment());
transaction.commit();
}
});
return v;
}
我尚未测试代码,它可能会产生一些汇编错误,但是实现的方法是正确的。
这是行不通的,因为在子片段中,片段事务正在寻找具有ID R.id.containerProfileDetails
的容器。这个容器不在子片段中,而是在父片段中。
您需要做的是创建从子片段到父片片段的回调。在您的孩子片段中的onclick中,将回调呼叫到父片片段,然后在父母的片段中,用所需的片段替换子片段。