添加 demo

wenchaosong · Apr 18, 2019 · 29f95fa · 29f95fa
1 parent 1735001
commit 29f95fa
Show file tree

Hide file tree

Showing 16 changed files with 445 additions and 137 deletions.
diff --git a/README.md b/README.md
@@ -47,7 +47,7 @@ repositories {
     }
 
 dependencies{
-    implementation 'com.github.wenchaosong:Banner:2.3.8'
+    implementation 'com.github.wenchaosong:Banner:2.3.9'
     // 或者
     implementation 'com.ms:banner:latest'
 }
@@ -68,12 +68,7 @@ compile project(':rollbanner')
 
 #### Step 3.设置布局
 ```
-.setPages(list, new HolderCreator<BannerViewHolder>() {
-                    @Override
-                    public BannerViewHolder createViewHolder() {
-                        return new CustomViewHolder();
-                    }
-                })
+.setPages(arrList, new CustomViewHolder())
 
 class CustomViewHolder implements BannerViewHolder<String> {
 
@@ -108,12 +103,7 @@ protected void onCreate(Bundle savedInstanceState) {
     setContentView(R.layout.activity_main);
     Banner banner = (Banner) findViewById(R.id.banner);
     banner.setAutoPlay(true)
-            .setPages(list, new HolderCreator<BannerViewHolder>() {
-                @Override
-                public BannerViewHolder createViewHolder() {
-                    return new CustomViewHolder();
-                }
-            })
+            .setPages(arrList, new CustomViewHolder())
             .start();
 }
 ```
@@ -124,14 +114,18 @@ protected void onCreate(Bundle savedInstanceState) {
 protected void onStart() {
     super.onStart();
     //开始轮播
-    banner.startAutoPlay();
+    if (banner != null && !banner.isStart() && banner.isPrepare()) {
+        banner.startAutoPlay();
+    }
 }
 
 @Override
 protected void onStop() {
     super.onStop();
     //结束轮播
-    banner.stopAutoPlay();
+    if (banner != null && banner.isStart() && banner.isPrepare()) {
+        banner.stopAutoPlay();
+    }
 }
 ```
 
@@ -184,6 +178,8 @@ setCurrentPage              设置当前页
 update                      刷新
 updateBannerStyle           刷新样式
 start                       开始使用
+isPrepare                   是否加载完成
+isStart                     是否轮播中
 setIndicatorRes             设置指示器资源
 startAutoPlay               开始自动轮播
 stopAutoPlay                停止轮播

diff --git a/app/build.gradle b/app/build.gradle
@@ -25,5 +25,6 @@ dependencies {
     implementation 'com.github.bumptech.glide:glide:4.0.0'
     implementation 'com.android.support:cardview-v7:27.1.1'
     implementation 'com.android.support:appcompat-v7:27.1.1'
+    implementation 'com.github.wenchaosong:BottomBar:3.0.7'
     implementation project(':banner')
 }
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
@@ -26,6 +26,7 @@
         <activity android:name=".demo.IndicatorPositionActivity" />
         <activity android:name=".demo.CustomBannerActivity" />
         <activity android:name=".demo.BannerLocalActivity" />
+        <activity android:name=".demo.SimpleFragmentActivity" />
         <activity
             android:name=".demo.CustomViewPagerActivity"
             android:screenOrientation="portrait" />

diff --git a/app/src/main/java/com/test/LazyFragment.java b/app/src/main/java/com/test/LazyFragment.java
@@ -0,0 +1,97 @@
+package com.test;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+public abstract class LazyFragment extends Fragment {
+
+    /**
+     * 是否可见状态
+     */
+    private boolean isVisible;
+    /**
+     * 标志位，View已经初始化完成。
+     */
+    private boolean isPrepared;
+    /**
+     * 是否第一次加载
+     */
+    private boolean isFirstLoad = true;
+    private boolean isLoad = false;
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        isFirstLoad = true;
+        View view = initViews(inflater, container, savedInstanceState);
+        isPrepared = true;
+        lazyLoad();
+        return view;
+    }
+
+    /**
+     * 如果是与ViewPager一起使用，调用的是setUserVisibleHint
+     *
+     * @param isVisibleToUser 是否显示出来了
+     */
+    @Override
+    public void setUserVisibleHint(boolean isVisibleToUser) {
+        super.setUserVisibleHint(isVisibleToUser);
+        if (getUserVisibleHint()) {
+            isVisible = true;
+            if (isPrepared) {
+                onFragmentVisible();
+            }
+            isLoad = true;
+            lazyLoad();
+        } else {
+            isVisible = false;
+            onFragmentUnVisible();
+            isLoad = false;
+        }
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+
+        if (isLoad) {
+            onFragmentVisible();
+        }
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+
+        if (isLoad) {
+            onFragmentUnVisible();
+        }
+    }
+
+    /**
+     * 要实现延迟加载Fragment内容,需要在 onCreateView
+     * isPrepared = true;
+     */
+    private void lazyLoad() {
+        if (!isPrepared || !isVisible || !isFirstLoad) {
+            return;
+        }
+        isFirstLoad = false;
+        initData();
+    }
+
+    protected void onFragmentVisible() {
+
+    }
+
+    protected void onFragmentUnVisible() {
+
+    }
+
+    protected abstract View initViews(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState);
+
+    protected abstract void initData();
+}
diff --git a/app/src/main/java/com/test/MainActivity.java b/app/src/main/java/com/test/MainActivity.java
@@ -22,6 +22,7 @@
 import com.test.demo.CustomBannerActivity;
 import com.test.demo.CustomViewPagerActivity;
 import com.test.demo.IndicatorPositionActivity;
+import com.test.demo.SimpleFragmentActivity;
 import com.test.ui.CustomViewHolder;
 
 import java.util.ArrayList;
@@ -124,6 +125,9 @@ public void onItemClick(AdapterView<?> parent, View view, int position, long id)
             case 6:
                 startActivity(new Intent(this, CustomViewPagerActivity.class));
                 break;
+            case 7:
+                startActivity(new Intent(this, SimpleFragmentActivity.class));
+                break;
         }
     }
 

diff --git a/app/src/main/java/com/test/demo/HomeFragment.java b/app/src/main/java/com/test/demo/HomeFragment.java
@@ -0,0 +1,61 @@
+package com.test.demo;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.ms.banner.Banner;
+import com.test.LazyFragment;
+import com.test.R;
+import com.test.ui.CustomViewHolder;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class HomeFragment extends LazyFragment {
+
+    private Banner mBanner;
+
+    @Override
+    protected View initViews(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_home, null);
+        init(view);
+        return view;
+    }
+
+    private void init(View view) {
+        mBanner = view.findViewById(R.id.banner);
+        view.findViewById(R.id.tv).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                startActivity(new Intent(getActivity(), BannerLocalActivity.class));
+            }
+        });
+    }
+
+    @Override
+    protected void initData() {
+        String[] urls = getResources().getStringArray(R.array.url2);
+        List arrList = new ArrayList(Arrays.asList(urls));
+        mBanner.setAutoPlay(true)
+                .setPages(arrList, new CustomViewHolder())
+                .start();
+    }
+
+    @Override
+    protected void onFragmentVisible() {
+        if (mBanner != null && !mBanner.isStart() && mBanner.isPrepare()) {
+            mBanner.startAutoPlay();
+        }
+    }
+
+    @Override
+    protected void onFragmentUnVisible() {
+        if (mBanner != null && mBanner.isStart() && mBanner.isPrepare()) {
+            mBanner.stopAutoPlay();
+        }
+    }
+}
diff --git a/app/src/main/java/com/test/demo/MoreFragment.java b/app/src/main/java/com/test/demo/MoreFragment.java
@@ -0,0 +1,54 @@
+package com.test.demo;
+
+import android.os.Bundle;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+
+import com.ms.banner.Banner;
+import com.test.LazyFragment;
+import com.test.R;
+import com.test.ui.CustomViewHolder;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class MoreFragment extends LazyFragment {
+
+    private Banner mBanner;
+
+    @Override
+    protected View initViews(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        View view = inflater.inflate(R.layout.fragment_more, null);
+        init(view);
+        return view;
+    }
+
+    private void init(View view) {
+        mBanner = view.findViewById(R.id.banner);
+    }
+
+    @Override
+    protected void initData() {
+        String[] urls = getResources().getStringArray(R.array.url2);
+        List arrList = new ArrayList(Arrays.asList(urls));
+        mBanner.setAutoPlay(true)
+                .setPages(arrList, new CustomViewHolder())
+                .start();
+    }
+
+    @Override
+    protected void onFragmentVisible() {
+        if (mBanner != null && !mBanner.isStart() && mBanner.isPrepare()) {
+            mBanner.startAutoPlay();
+        }
+    }
+
+    @Override
+    protected void onFragmentUnVisible() {
+        if (mBanner != null && mBanner.isStart() && mBanner.isPrepare()) {
+            mBanner.stopAutoPlay();
+        }
+    }
+}
diff --git a/app/src/main/java/com/test/demo/SimpleFragmentActivity.java b/app/src/main/java/com/test/demo/SimpleFragmentActivity.java
@@ -0,0 +1,61 @@
+package com.test.demo;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
+import android.support.v4.app.FragmentPagerAdapter;
+import android.support.v4.view.ViewPager;
+import android.support.v7.app.AppCompatActivity;
+
+import com.bottom.PageNavigationView;
+import com.test.LazyFragment;
+import com.test.R;
+
+import java.util.ArrayList;
+
+public class SimpleFragmentActivity extends AppCompatActivity {
+
+    private String[] mTitles = {"首页", "更多"};
+    private ArrayList<LazyFragment> mFragments = new ArrayList<>();
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_fragment);
+
+        ViewPager viewPager = findViewById(R.id.vp);
+        PageNavigationView bottomTabLayout = findViewById(R.id.tab);
+        PageNavigationView.MaterialBuilder material = bottomTabLayout.material();
+        for (String title : mTitles) {
+            material.addItem(android.R.drawable.ic_menu_more, title);
+        }
+        material.build().setupWithViewPager(viewPager);
+
+        mFragments.add(new HomeFragment());
+        mFragments.add(new MoreFragment());
+
+        viewPager.setAdapter(new MyPagerAdapter(getSupportFragmentManager()));
+    }
+
+    private class MyPagerAdapter extends FragmentPagerAdapter {
+
+        public MyPagerAdapter(FragmentManager fm) {
+            super(fm);
+        }
+
+        @Override
+        public int getCount() {
+            return mFragments.size();
+        }
+
+        @Override
+        public CharSequence getPageTitle(int position) {
+            return mTitles[position];
+        }
+
+        @Override
+        public Fragment getItem(int position) {
+            return mFragments.get(position);
+        }
+    }
+}