java 获取片段中的活动数据

Posted 2021-05-07

<LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dp"
        android:orientation="horizontal"
        android:background="@color/red"
        android:id="@+id/titleBar"
        >
        <TextView
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:id="@+id/textTitleBar"
            android:gravity="center"
            android:paddingTop="20dp"
            android:textColor="@color/white"
            />
    </LinearLayout>

	    public void initialSetup(){
        TextView titlelBarTextView = getActivity().findViewById(R.id.textTitleBar);
        titlelBarTextView.setText(" Chat ");
    }