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大致完成 整理 Fragment 实例化代码 https://gitlab.ghzs.com/halo/assistant-android/-/issues/20

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This commit is contained in:
张玉久
2020-08-31 18:31:55 +08:00
parent f699841427
commit ec805653bb
26 changed files with 294 additions and 136 deletions
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27
app/src/main/java/com/gh/base/BaseActivity_TabLayout.java
View File

@ -4,10 +4,6 @@ import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.viewpager.widget.ViewPager;
import com.gh.base.adapter.FragmentAdapter;
import com.gh.base.fragment.BaseFragment_TabLayout;
import com.gh.common.view.TabIndicatorView;
@ -18,6 +14,9 @@ import com.lightgame.view.NoScrollableViewPager;
import java.util.ArrayList;
import java.util.List;
import androidx.annotation.Nullable;
import androidx.fragment.app.Fragment;
import androidx.viewpager.widget.ViewPager;
import butterknife.BindView;
/**
@ -73,10 +72,12 @@ public abstract class BaseActivity_TabLayout extends ToolBarActivity implements
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
if (getIntent() != null) mCheckedIndex = getIntent().getIntExtra(PAGE_INDEX, 0);
mFragmentsList = new ArrayList<>();
initFragmentList(mFragmentsList);
mTabTitleList = new ArrayList<>();
initTabTitleList(mTabTitleList);
mFragmentsList = new ArrayList<>(restoreFragment());
if (mFragmentsList.isEmpty() || mFragmentsList.size() != mTabTitleList.size()) {
initFragmentList(mFragmentsList);
}
mViewPager.setOffscreenPageLimit(mFragmentsList.size());
mViewPager.addOnPageChangeListener(this);
@ -100,6 +101,20 @@ public abstract class BaseActivity_TabLayout extends ToolBarActivity implements
BaseFragment_TabLayout.initTabStyle(mTabLayout, mCheckedIndex);
}
private ArrayList<Fragment> restoreFragment() {
String tag = "android:switcher:" + mViewPager.getId() + ":";
ArrayList<Fragment> fragments = new ArrayList<>();
int childCount = mTabTitleList.size();
for (int index = 0; index < childCount; index++) {
Fragment fragment = getSupportFragmentManager().findFragmentByTag(tag + index);
if (fragment != null) {
fragments.add(fragment);
}
}
return fragments;
}
@Override
public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {