完成动态增删Tab的演示

BenWong927 · Sep 13, 2016 · 045b73c · 045b73c
1 parent 9704e64
commit 045b73c
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Showing 7 changed files with 115 additions and 28 deletions.
diff --git a/...c/main/java/net/lucode/hackware/magicindicatordemo/example/DynamicTabExampleActivity.java b/...c/main/java/net/lucode/hackware/magicindicatordemo/example/DynamicTabExampleActivity.java
@@ -1,15 +1,94 @@
 package net.lucode.hackware.magicindicatordemo.example;
 
+import android.content.Context;
+import android.graphics.Color;
 import android.os.Bundle;
+import android.support.v4.view.ViewPager;
 import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.Toast;
 
+import net.lucode.hackware.magicindicator.MagicIndicator;
+import net.lucode.hackware.magicindicator.ViewPagerHelper;
+import net.lucode.hackware.magicindicator.buildins.commonnavigator.CommonNavigator;
+import net.lucode.hackware.magicindicator.buildins.commonnavigator.abs.CommonNavigatorAdapter;
+import net.lucode.hackware.magicindicator.buildins.commonnavigator.abs.IPagerIndicator;
+import net.lucode.hackware.magicindicator.buildins.commonnavigator.abs.IPagerTitleView;
+import net.lucode.hackware.magicindicator.buildins.commonnavigator.titles.ClipPagerTitleView;
 import net.lucode.hackware.magicindicatordemo.R;
 
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Random;
+
 public class DynamicTabExampleActivity extends AppCompatActivity {
+    private static final String[] CHANNELS = new String[]{"CUPCAKE", "DONUT", "ECLAIR", "GINGERBREAD", "HONEYCOMB", "ICE_CREAM_SANDWICH", "JELLY_BEAN", "KITKAT", "LOLLIPOP", "M", "NOUGAT"};
+    private List<String> mDataList = new ArrayList<String>(Arrays.asList(CHANNELS));
+    private ExamplePagerAdapter mExamplePagerAdapter = new ExamplePagerAdapter(mDataList);
+
+    private ViewPager mViewPager;
+    private MagicIndicator mMagicIndicator;
+    private CommonNavigator mCommonNavigator;
+
+    private Toast mToast;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_dynamic_tab_example_layout);
+
+        mViewPager = (ViewPager) findViewById(R.id.view_pager);
+        mViewPager.setAdapter(mExamplePagerAdapter);
+
+        mMagicIndicator = (MagicIndicator) findViewById(R.id.magic_indicator1);
+        mMagicIndicator.setBackgroundColor(Color.parseColor("#d43d3d"));
+        mCommonNavigator = new CommonNavigator(this);
+        mCommonNavigator.setSkimOver(true);
+        mCommonNavigator.setAdapter(new CommonNavigatorAdapter() {
+
+            @Override
+            public int getCount() {
+                return mDataList.size();
+            }
+
+            @Override
+            public IPagerTitleView getTitleView(Context context, final int index) {
+                ClipPagerTitleView clipPagerTitleView = new ClipPagerTitleView(context);
+                clipPagerTitleView.setText(mDataList.get(index));
+                clipPagerTitleView.setTextColor(Color.parseColor("#f2c4c4"));
+                clipPagerTitleView.setClipColor(Color.WHITE);
+                clipPagerTitleView.setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View v) {
+                        mViewPager.setCurrentItem(index);
+                    }
+                });
+                return clipPagerTitleView;
+            }
+
+            @Override
+            public IPagerIndicator getIndicator(Context context) {
+                return null;
+            }
+        });
+        mMagicIndicator.setNavigator(mCommonNavigator);
+        ViewPagerHelper.bind(mMagicIndicator, mViewPager);
+
+        mToast = Toast.makeText(this, "", Toast.LENGTH_SHORT);
+    }
+
+    public void randomPage(View view) {
+        mDataList.clear();
+        int total = new Random().nextInt(CHANNELS.length);
+        for (int i = 0; i <= total; i++) {
+            mDataList.add(CHANNELS[i]);
+        }
+
+        mCommonNavigator.notifyDataSetChanged();    // must call firstly
+        mExamplePagerAdapter.notifyDataSetChanged();
+
+        mToast.setText("" + mDataList.size() + " page");
+        mToast.show();
     }
 }
diff --git a/...src/main/java/net/lucode/hackware/magicindicatordemo/example/FixedTabExampleActivity.java b/...src/main/java/net/lucode/hackware/magicindicatordemo/example/FixedTabExampleActivity.java
@@ -29,12 +29,12 @@
 import java.util.List;
 
 public class FixedTabExampleActivity extends AppCompatActivity {
-    private ViewPager mViewPager;
-
-    private String[] channels = new String[]{"KITKAT", "NOUGAT", "DONUT"};
-    private List<String> mDataList = Arrays.asList(channels);
+    private static final String[] CHANNELS = new String[]{"KITKAT", "NOUGAT", "DONUT"};
+    private List<String> mDataList = Arrays.asList(CHANNELS);
     private ExamplePagerAdapter mExamplePagerAdapter = new ExamplePagerAdapter(mDataList);
 
+    private ViewPager mViewPager;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

diff --git a/...java/net/lucode/hackware/magicindicatordemo/example/FragmentContainerExampleActivity.java b/...java/net/lucode/hackware/magicindicatordemo/example/FragmentContainerExampleActivity.java
@@ -24,7 +24,7 @@
 import java.util.List;
 
 public class FragmentContainerExampleActivity extends AppCompatActivity {
-    private String[] channels = new String[]{"KITKAT", "NOUGAT", "DONUT"};
+    private static final String[] CHANNELS = new String[]{"KITKAT", "NOUGAT", "DONUT"};
     private List<Fragment> mFragments = new ArrayList<Fragment>();
     private FragmentContainerHelper mFragmentContainerHelper = new FragmentContainerHelper();
 
@@ -63,10 +63,10 @@ private void switchPages(int index) {
     }
 
     private void initFragments() {
-        for (int i = 0; i < channels.length; i++) {
+        for (int i = 0; i < CHANNELS.length; i++) {
             TestFragment testFragment = new TestFragment();
             Bundle bundle = new Bundle();
-            bundle.putString(TestFragment.EXTRA_TEXT, channels[i]);
+            bundle.putString(TestFragment.EXTRA_TEXT, CHANNELS[i]);
             testFragment.setArguments(bundle);
             mFragments.add(testFragment);
         }
@@ -78,13 +78,13 @@ private void initMagicIndicator1() {
         commonNavigator.setAdapter(new CommonNavigatorAdapter() {
             @Override
             public int getCount() {
-                return channels.length;
+                return CHANNELS.length;
             }
 
             @Override
             public IPagerTitleView getTitleView(Context context, final int index) {
                 ClipPagerTitleView clipPagerTitleView = new ClipPagerTitleView(context);
-                clipPagerTitleView.setText(channels[index]);
+                clipPagerTitleView.setText(CHANNELS[index]);
                 clipPagerTitleView.setTextColor(Color.parseColor("#e94220"));
                 clipPagerTitleView.setClipColor(Color.WHITE);
                 clipPagerTitleView.setOnClickListener(new View.OnClickListener() {

diff --git a/...ava/net/lucode/hackware/magicindicatordemo/example/NoTabOnlyIndicatorExampleActivity.java b/...ava/net/lucode/hackware/magicindicatordemo/example/NoTabOnlyIndicatorExampleActivity.java
@@ -22,12 +22,12 @@
 import java.util.List;
 
 public class NoTabOnlyIndicatorExampleActivity extends AppCompatActivity {
-    private ViewPager mViewPager;
-
-    private String[] channels = new String[]{"CUPCAKE", "DONUT", "ECLAIR", "GINGERBREAD", "NOUGAT", "DONUT"};
-    private List<String> mDataList = Arrays.asList(channels);
+    private static final String[] CHANNELS = new String[]{"CUPCAKE", "DONUT", "ECLAIR", "GINGERBREAD", "NOUGAT", "DONUT"};
+    private List<String> mDataList = Arrays.asList(CHANNELS);
     private ExamplePagerAdapter mExamplePagerAdapter = new ExamplePagerAdapter(mDataList);
 
+    private ViewPager mViewPager;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

diff --git a/...ain/java/net/lucode/hackware/magicindicatordemo/example/ScrollableTabExampleActivity.java b/...ain/java/net/lucode/hackware/magicindicatordemo/example/ScrollableTabExampleActivity.java
@@ -31,12 +31,12 @@
 import java.util.List;
 
 public class ScrollableTabExampleActivity extends AppCompatActivity {
-    private ViewPager mViewPager;
-
-    private String[] channels = new String[]{"CUPCAKE", "DONUT", "ECLAIR", "GINGERBREAD", "HONEYCOMB", "ICE_CREAM_SANDWICH", "JELLY_BEAN", "KITKAT", "LOLLIPOP", "M", "NOUGAT"};
-    private List<String> mDataList = Arrays.asList(channels);
+    private static final String[] CHANNELS = new String[]{"CUPCAKE", "DONUT", "ECLAIR", "GINGERBREAD", "HONEYCOMB", "ICE_CREAM_SANDWICH", "JELLY_BEAN", "KITKAT", "LOLLIPOP", "M", "NOUGAT"};
+    private List<String> mDataList = Arrays.asList(CHANNELS);
     private ExamplePagerAdapter mExamplePagerAdapter = new ExamplePagerAdapter(mDataList);
 
+    private ViewPager mViewPager;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

diff --git a/app/src/main/res/layout/activity_dynamic_tab_example_layout.xml b/app/src/main/res/layout/activity_dynamic_tab_example_layout.xml
@@ -1,19 +1,26 @@
 <?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    android:id="@+id/activity_dynamic_tab_example"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:paddingBottom="@dimen/activity_vertical_margin"
-    android:paddingLeft="@dimen/activity_horizontal_margin"
-    android:paddingRight="@dimen/activity_horizontal_margin"
-    android:paddingTop="@dimen/activity_vertical_margin"
+    android:orientation="vertical"
     tools:context="net.lucode.hackware.magicindicatordemo.example.DynamicTabExampleActivity">
 
-    <TextView
-        android:layout_width="wrap_content"
+    <net.lucode.hackware.magicindicator.MagicIndicator
+        android:id="@+id/magic_indicator1"
+        android:layout_width="match_parent"
+        android:layout_height="@dimen/common_navigator_height" />
+
+    <android.support.v4.view.ViewPager
+        android:id="@+id/view_pager"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1" />
+
+    <Button
+        android:layout_width="match_parent"
         android:layout_height="wrap_content"
-        android:layout_centerInParent="true"
-        android:text="coming soon!" />
+        android:onClick="randomPage"
+        android:text="@string/random_page" />
 
-</RelativeLayout>
+</LinearLayout>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -7,4 +7,5 @@
     <string name="work_with_fragment_container">work with fragment container</string>
     <string name="tab_with_badge_view">tab with badge view</string>
     <string name="custom_navigator">custom navigator</string>
+    <string name="random_page">random page</string>
 </resources>