package com.duqing.missions.base;
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import android.os.Bundle;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import androidx.annotation.Nullable;
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import androidx.fragment.app.Fragment;
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import androidx.viewbinding.ViewBinding;
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import java.lang.reflect.Method;
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import java.lang.reflect.ParameterizedType;
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/**
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* Created by Administrator on 2021/10/28 0028.
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*/
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public abstract class BaseFragment<A extends BaseActivity,B extends ViewBinding> extends Fragment {
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protected A activity;
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protected B binding;
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@Nullable
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@Override
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public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, Bundle savedInstanceState) {
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// get genericity "B"
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Class<B> entityClass = (Class<B>) ((ParameterizedType) this.getClass().getGenericSuperclass()).getActualTypeArguments()[1];
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try {
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Method method = entityClass.getMethod("inflate", LayoutInflater.class,ViewGroup.class,boolean.class);//get method from name "inflate";
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binding = (B) method.invoke(entityClass,inflater,container,false);//execute method to create a objct of viewbind;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return binding.getRoot();
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}
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@Override
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public void onActivityCreated(@Nullable Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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activity = (A) getActivity();
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initViews();
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}
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public abstract void initViews();
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@Override
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public void onDestroyView() {
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super.onDestroyView();
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binding = null;
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}
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}
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