完成动态增删Tab的演示

app/src/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();
  }
 }

app/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);

app/src/main/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() {

app/src/main/java/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);

app/src/main/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);

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>

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>