5
Tôi có một màn hình với Recyclerview và các phần tử khác bên trong LinearLayout. Vấn đề là khi tôi loại bỏ một mục của RecyclerView, animateLayoutChanges không hoạt động trong trường hợp này. Anayone có biết tại sao điều này xảy ra không ??AnimateLayoutChanges không hoạt động với RecyclerView
XML
<LinearLayout
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:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.example.alvaro.resizetest.MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:animateLayoutChanges="true"
android:orientation="vertical">
<android.support.v7.widget.RecyclerView
android:id="@+id/recyclerview"
android:layout_width="match_parent"
android:layout_height="wrap_content"/>
<LinearLayout
android:id="@+id/test1"
android:layout_width="match_parent"
android:layout_height="50dp"
android:background="@color/colorAccent"
android:gravity="center_vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="LinearLayout"
android:textColor="#FFFFFF"
android:textSize="22sp"/>
</LinearLayout>
<LinearLayout
android:id="@+id/test2"
android:layout_width="match_parent"
android:layout_height="50dp"
android:background="@color/colorPrimaryDark"
android:gravity="center_vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="LinearLayout"
android:textColor="#FFFFFF"
android:textSize="22sp"/>
</LinearLayout>
<LinearLayout
android:id="@+id/test3"
android:layout_width="match_parent"
android:layout_height="50dp"
android:background="@color/colorAccent"
android:gravity="center_vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="LinearLayout"
android:textColor="#FFFFFF"
android:textSize="22sp"/>
</LinearLayout>
<LinearLayout
android:id="@+id/test4"
android:layout_width="match_parent"
android:layout_height="50dp"
android:background="@color/colorPrimaryDark"
android:gravity="center_vertical">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="LinearLayout"
android:textColor="#FFFFFF"
android:textSize="22sp"/>
</LinearLayout>
</LinearLayout>
JAVA
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
RecyclerView recyclerView = (RecyclerView) findViewById(R.id.recyclerview);
Adapter adapter = new Adapter();
recyclerView.setLayoutManager(new LinearLayoutManager(this));
recyclerView.setAdapter(adapter);
recyclerView.setNestedScrollingEnabled(true);
View.OnClickListener listener = new View.OnClickListener() {
@Override
public void onClick(View view) {
view.setVisibility(View.GONE);
}
};
findViewById(R.id.test1).setOnClickListener(listener);
findViewById(R.id.test2).setOnClickListener(listener);
findViewById(R.id.test3).setOnClickListener(listener);
findViewById(R.id.test4).setOnClickListener(listener);
}
class Adapter extends RecyclerView.Adapter<Adapter.Holder>{
int size = 3;
public Adapter() {
}
@Override
public Holder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = getLayoutInflater().inflate(R.layout.item, parent, false);
return new Holder(view);
}
@Override
public void onBindViewHolder(Holder holder, int position) {
}
@Override
public int getItemCount() {
return size;
}
class Holder extends RecyclerView.ViewHolder {
public Holder(final View itemView) {
super(itemView);
itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
size --;
notifyItemRemoved(getAdapterPosition());
}
});
}
}
}
