ViewPagerIndicator
package com.shizhefei.indicator.guide;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.support.v4.view.ViewPager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import com.shizhefei.indicator.R;
import com.shizhefei.view.indicator.Indicator;
import com.shizhefei.view.indicator.IndicatorViewPager;
import com.shizhefei.view.indicator.IndicatorViewPager.IndicatorPagerAdapter;
import com.shizhefei.view.indicator.IndicatorViewPager.IndicatorViewPagerAdapter;
public class GuideActivity extends FragmentActivity {
private IndicatorViewPager indicatorViewPager;
private LayoutInflater inflate;
@Override
protected void onCreate(Bundle arg0) {
super.onCreate(arg0);
setContentView(R.layout.activity_guide);
ViewPager viewPager = (ViewPager) findViewById(R.id.guide_viewPager);
Indicator indicator = (Indicator) findViewById(R.id.guide_indicator);
// 将viewPager和indicator使用
indicatorViewPager = new IndicatorViewPager(indicator, viewPager);
inflate = LayoutInflater.from(getApplicationContext());
// 设置indicatorViewPager的适配器
indicatorViewPager.setAdapter(adapter);
}
private IndicatorPagerAdapter adapter = new IndicatorViewPagerAdapter() {
private int[] images = { R.drawable.p1, R.drawable.p2, R.drawable.p3,
R.drawable.p4 };
/**
* 获取tab
*/
@Override
public View getViewForTab(int position, View convertView,
ViewGroup container) {
if (convertView == null) {
convertView = inflate.inflate(R.layout.tab_guide, container,
false);
}
return convertView;
}
/**
* 获取每一个界面
*/
@Override
public View getViewForPage(int position, View convertView,
ViewGroup container) {
if (convertView == null) {
convertView = new View(getApplicationContext());
convertView.setLayoutParams(new LayoutParams(
LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));
}
convertView.setBackgroundResource(images[position]);
return convertView;
}
/**
* 获取界面数量
*/
@Override
public int getCount() {
return images.length;
}
};
}
support-v4 里面的viewpager被重新改写了。
support4.jar目前是1069k,因为我把源码也放了进去。
1.在原先的基础上添加了setCanScroll(false)的方法用来禁止滑动。
2.setPrepareNumber(1)的方法用来配合setOffscreenPageLimit(1)进行预加载界面和防止重新创建界面
顾名思义是指示器的意思。有点像水平方向的listview 可以自定义item。
子类FixedIndicatorView 主要用于固定大小来平均分配tab的情况。 子类ScrollIndicatorView 主要用于多个tab可以进行滑动。
用于将ViewPager和Indicator 联合使用。 indicatorViewPager.setAdapter(IndicatorPagerAdapter adapter)
子类IndicatorFragmentPagerAdapter 用于 界面是fragment的形式。 子类IndicatorViewPagerAdapter 用于 界面是View的形式.
indicatorViewPager.setOnIndicatorPageChangeListener(onIndicatorPageChangeListener)设置界面的切换监听。
Indicator 既可以单独使用。也可以通过indicatorViewPager的形式联合viewpager一起使用。
项目 ViewPagerIndicator_Demo 是示例代码。 看了这个例子你会惊奇的发现里面居然都是通过viewpager实现,没有使用tabhost,而所有形式的tab都是用Indicator实现。 项目 ViewPagerIndicator_Library 是类库 项目 SlideMenu_Library 是第三方的slidemenu类库
有什么建议可以发到我的邮箱 [email protected]
Copyright 2014 shizhefei(LuckyJayce)
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.