优化了懒加载

core/src/main/java/me/liam/support/SupportFragment.java

@@ -75,16 +75,16 @@ public void onActivityCreated(@Nullable Bundle savedInstanceState) {
         if (isSavedInstance()){
             resumeAnim();
         }
-        if (!getArguments().getBoolean(SupportTransaction.FRAGMENTATION_INIT_LIST)
-                && !isHidden()){
-            onLazyInit(savedInstanceState);
-        }
     }
 
     @Override
     public void onResume() {
         super.onResume();
         getArguments().putBoolean(SupportTransaction.FRAGMENTATION_SAVED_INSTANCE,false);
+        if (!getArguments().getBoolean(SupportTransaction.FRAGMENTATION_INIT_LIST)
+                && !isHidden()){
+            onLazyInit(null);
+        }
     }
 
     @Nullable

demo/build.gradle

@@ -25,7 +25,7 @@ dependencies {
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'androidx.test:runner:1.3.0-alpha03'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.3.0-alpha03'
-    //    implementation 'com.github.Liam6666:FragmentationX:1.0.0-beta02'
+//        implementation 'com.github.Liam6666:FragmentationX:1.0.1'
     implementation 'com.eightbitlab:bottomnavigationbar:0.9.6'
     implementation project(':core')
     implementation 'com.google.android.material:material:1.0.0'

demo/src/main/AndroidManifest.xml

@@ -18,6 +18,7 @@
         </activity>
         <activity android:name="wechat.WeChatActivity"/>
         <activity android:name="zhihu.ZhiHuActivity"/>
+        <activity android:name="viewpager.ViewPagerActivity"/>
     </application>
     <uses-permission android:name="android.permission.INTERNET"/>
 </manifest>

demo/src/main/java/me/liam/fragmentation/MainActivity.java

@@ -7,6 +7,7 @@
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
 import me.liam.support.SupportActivity;
+import viewpager.ViewPagerActivity;
 import wechat.WeChatActivity;
 import zhihu.ZhiHuActivity;
 
@@ -33,5 +34,11 @@ public void onClick(View view) {
                 startActivity(new Intent(MainActivity.this, ZhiHuActivity.class));
             }
         });
+        findViewById(R.id.btn_vp).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                startActivity(new Intent(MainActivity.this, ViewPagerActivity.class));
+            }
+        });
     }
 }

demo/src/main/java/viewpager/ItemPageFragment.java

@@ -0,0 +1,65 @@
+package viewpager;
+
+import android.os.Bundle;
+import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import me.liam.fragmentation.R;
+import me.liam.support.SupportFragment;
+
+/**
+ * Create on 2020/1/8.
+ */
+public class ItemPageFragment extends SupportFragment {
+
+    public static ItemPageFragment newInstance(int count) {
+
+        Bundle args = new Bundle();
+        args.putInt("count",count);
+        ItemPageFragment fragment = new ItemPageFragment();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    private View rootView;
+    private TextView textView;
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        rootView = View.inflate(getContext(), R.layout.fragment_item_page,null);
+        textView = rootView.findViewById(R.id.tv);
+        textView.setText(""+getArguments().getInt("count"));
+        Log.e("ItemPageFragment",getArguments().getInt("count") + "onCreateView");
+        return rootView;
+    }
+
+    @Override
+    public void onLazyInit(Bundle savedInstanceState) {
+        super.onLazyInit(savedInstanceState);
+        Log.e("ItemPageFragment",getArguments().getInt("count") + "onLazyInit");
+    }
+
+    @Override
+    public void setUserVisibleHint(boolean isVisibleToUser) {
+        super.setUserVisibleHint(isVisibleToUser);
+        Log.e("ItemPageFragment",getArguments().getInt("count") + "setUserVisibleHint" + isVisibleToUser);
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        Log.e("ItemPageFragment",getArguments().getInt("count") + "onStart");
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        Log.e("ItemPageFragment",getArguments().getInt("count") + "onResume");
+    }
+}

demo/src/main/java/viewpager/ViewPagerActivity.java

@@ -0,0 +1,22 @@
+package viewpager;
+
+import android.os.Bundle;
+
+import androidx.annotation.Nullable;
+import me.liam.fragmentation.R;
+import me.liam.support.SupportActivity;
+
+/**
+ * Create on 2020/1/8.
+ */
+public class ViewPagerActivity extends SupportActivity {
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_vp_root);
+        if (findFragmentByClass(ViewPagerFragment.class) == null){
+            loadRootFragment(R.id.container,ViewPagerFragment.newInstance());
+        }
+    }
+}

demo/src/main/java/viewpager/ViewPagerFragment.java

@@ -0,0 +1,71 @@
+package viewpager;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.google.android.material.tabs.TabLayout;
+
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import androidx.fragment.app.Fragment;
+import androidx.fragment.app.FragmentManager;
+import androidx.fragment.app.FragmentPagerAdapter;
+import androidx.viewpager.widget.ViewPager;
+import me.liam.fragmentation.R;
+import me.liam.support.SupportFragment;
+
+/**
+ * Create on 2020/1/8.
+ */
+public class ViewPagerFragment extends SupportFragment {
+
+    public static ViewPagerFragment newInstance() {
+
+        Bundle args = new Bundle();
+
+        ViewPagerFragment fragment = new ViewPagerFragment();
+        fragment.setArguments(args);
+        return fragment;
+    }
+
+    private View rootView;
+    private TabLayout tabLayout;
+    private ViewPager viewPager;
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+        rootView = View.inflate(getContext(), R.layout.fragment_vp_root,null);
+        tabLayout = rootView.findViewById(R.id.tabLayout);
+        viewPager = rootView.findViewById(R.id.viewPager);
+        tabLayout.addTab(tabLayout.newTab().setText("1"));
+        tabLayout.addTab(tabLayout.newTab().setText("2"));
+        tabLayout.addTab(tabLayout.newTab().setText("3"));
+        tabLayout.addTab(tabLayout.newTab().setText("4"));
+        tabLayout.addTab(tabLayout.newTab().setText("5"));
+        PagerAdapter adapter = new PagerAdapter(getChildFragmentManager(),FragmentPagerAdapter.BEHAVIOR_RESUME_ONLY_CURRENT_FRAGMENT);
+        viewPager.setAdapter(adapter);
+        tabLayout.setupWithViewPager(viewPager);
+        return rootView;
+    }
+
+    static class PagerAdapter extends FragmentPagerAdapter {
+
+        public PagerAdapter(@NonNull FragmentManager fm, int behavior) {
+            super(fm, behavior);
+        }
+
+        @NonNull
+        @Override
+        public Fragment getItem(int position) {
+            return ItemPageFragment.newInstance(position);
+        }
+
+        @Override
+        public int getCount() {
+            return 5;
+        }
+    }
+}

demo/src/main/res/layout/activity_main.xml

@@ -21,4 +21,9 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:text="ZHI HU App"/>
+    <Button
+        android:id="@+id/btn_vp"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="View pager"/>
 </LinearLayout>

demo/src/main/res/layout/activity_vp_root.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <FrameLayout
+        android:id="@+id/container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"/>
+</LinearLayout>

demo/src/main/res/layout/fragment_item_page.xml

@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <TextView
+        android:id="@+id/tv"
+        android:gravity="center"
+        android:textSize="50dp"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+</LinearLayout>

demo/src/main/res/layout/fragment_vp_root.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="vertical" android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <com.google.android.material.tabs.TabLayout
+        android:id="@+id/tabLayout"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"/>
+    <androidx.viewpager.widget.ViewPager
+        android:id="@+id/viewPager"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"></androidx.viewpager.widget.ViewPager>
+</LinearLayout>