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IndicatorViewPager (笔记)

1.build

[html]view plaincopy

compile 'com.shizhefei:ViewPagerIndicator:1.1.3'

2.xml

[html]view plaincopy


android:orientation="vertical"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:background="@color/grayE">

android:id="@+id/viewPager"

android:layout_width="match_parent"

android:layout_height="0dip"

android:layout_weight="1"

android:overScrollMode="never">

android:layout_width="match_parent"

android:layout_height="0.6dip"

android:background="@color/grayE"/>

android:id="@+id/indicator"

android:layout_width="match_parent"

android:layout_height="54dip">

3.java

[java]view plaincopy

publicclassMainActivityextendsFragmentActivity {

privateLayoutInflater inflater;

privateIndicatorViewPager indicatorViewPager;

@Override

protectedvoidonCreate(@NullableBundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

setupLayout();

}

privatevoidsetupLayout() {

ViewPager viewPager = (ViewPager) findViewById(R.id.viewPager);

viewPager.setOffscreenPageLimit(5);

finalIndicator indicator = (Indicator) findViewById(R.id.indicator);

indicatorViewPager =newIndicatorViewPager(indicator, viewPager);

inflater = LayoutInflater.from(getApplicationContext());

indicatorViewPager.setAdapter(adapter);

indicatorViewPager.setOnIndicatorPageChangeListener(newIndicatorViewPager.OnIndicatorPageChangeListener() {

@Override

publicvoidonIndicatorPageChange(intpreItem,intcurrentItem) {

if(preItem != -1) {

indicatorViewPager.getIndicatorView().getItemView(preItem).findViewById(R.id.imageView).setSelected(false);

((TextView) indicatorViewPager.getIndicatorView().getItemView(preItem).findViewById(R.id.textView)).setTextColor(getResources().getColor(R.color.black2));

}

indicatorViewPager.getIndicatorView().getItemView(currentItem).findViewById(R.id.imageView).setPressed(true);

((TextView) indicatorViewPager.getIndicatorView().getItemView(currentItem).findViewById(R.id.textView)).setTextColor(getResources().getColor(R.color.text_red));

}

});

((TextView) indicatorViewPager.getIndicatorView().getItemView(0).findViewById(R.id.textView)).setTextColor(getResources().getColor(R.color.text_red));

indicatorViewPager.setCurrentItem(0,true);

}

privateIndicatorViewPager.IndicatorFragmentPagerAdapter adapter =newIndicatorViewPager.IndicatorFragmentPagerAdapter(getSupportFragmentManager()) {

privateint[] images = {R.drawable.main0_select, R.drawable.main1_select, R.drawable.main2_select, R.drawable.main3_select, R.drawable.main4_select};

privateint[] texts = {R.string.main0, R.string.main1, R.string.main2, R.string.main3, R.string.main4};

privateFragment[] fragments = {MainFragment.newInstance(), ScenicFragment.newInstance(), ServiceFragment.newInstance(), ShopFragment.newInstance(), MineFragment.newInstance()};

@Override

publicintgetCount() {

returnimages.length;

}

@Override

publicView getViewForTab(intposition, View convertView, ViewGroup container) {

if(convertView ==null) {

convertView = inflater.inflate(R.layout.main_bottom_item, container,false);

ImageView imageView = (ImageView) convertView.findViewById(R.id.imageView);

imageView.setImageResource(images[position]);

TextView textView = (TextView) convertView.findViewById(R.id.textView);

textView.setText(texts[position]);

}

returnconvertView;

}

@Override

publicFragment getFragmentForPage(intposition) {

returnfragments[position];

}

};

}

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