package com.runt.open.mvvm.base.activities;
|
|
import androidx.fragment.app.FragmentManager;
|
import androidx.fragment.app.FragmentTransaction;
|
import androidx.viewbinding.ViewBinding;
|
|
import com.runt.open.mvvm.R;
|
import com.runt.open.mvvm.base.fragments.BaseFragment;
|
import com.runt.open.mvvm.base.model.BaseViewModel;
|
|
import java.util.ArrayList;
|
import java.util.List;
|
|
/**
|
* 带有fragment切换的activity
|
* 继承此类，有效优化代码22行
|
* 试用于加载各种fragment需求的activity
|
* Created by Runt (qingingrunt2010@qq.com) on 2022/8/13.
|
*/
|
public class BaseFragmentActivity <VB extends ViewBinding,VM extends BaseViewModel>
|
extends BaseActivity<VB,VM>{
|
|
|
List<BaseFragment> fragments = new ArrayList<>();
|
|
/**
|
* 切换界面 要显示的fragnemt
|
* @param fragment
|
*/
|
protected void showFragment(BaseFragment fragment){
|
showFragment(fragments.indexOf(fragment));
|
}
|
|
/**
|
* 切换界面 要显示的fragnemt
|
* @param position
|
*/
|
protected void showFragment(int position){
|
if(position>fragments.size()-1|| position < 0){
|
showToast("当前fragment不在队列中");
|
return;
|
}
|
FragmentManager fragmentManager = getSupportFragmentManager();
|
FragmentTransaction transaction = fragmentManager.beginTransaction();
|
for(int i = 0 ; i < fragments.size() ; i ++){
|
if(i != position){
|
transaction.hide(fragments.get(i));
|
}
|
}
|
transaction.show(fragments.get(position));
|
transaction.commit();
|
}
|
|
/**
|
* 添加fragment
|
* @param fragment
|
*/
|
protected void addAndShowFragment(BaseFragment fragment){
|
if(fragments.contains(fragment)){
|
showFragment(fragment);
|
return;
|
}
|
FragmentManager fragmentManager = getSupportFragmentManager();
|
FragmentTransaction transaction = fragmentManager.beginTransaction();
|
for(int i = 0 ; i < fragments.size() ; i ++){
|
transaction.hide(fragments.get(i));
|
}
|
transaction.add(R.id.framelayout,fragment).commit();
|
fragments.add(fragment);
|
}
|
|
|
}
|
