package com.diygreen.android6new.newwidget2;
import android.os.Bundle;
import android.support.design.widget.TabLayout;
import android.support.v4.view.ViewPager;
import android.support.v7.app.AppCompatActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.TextView;
import com.diygreen.android6new.R;
import java.util.ArrayList;
import java.util.List;
public class TabLayoutDemo3Activity extends AppCompatActivity {
private TabLayout mBottomTL;
private ViewPager mContentVP;
private String[] mTitleArr = {"Android", "Java", "iOS"};
private List<View> mViewList;
private TabLayoutDemo2PagerAdapter mAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_tablayoutdemo3);
initView();
initData();
}
private void initView() {
mContentVP = (ViewPager) findViewById(R.id.vp_content);
mBottomTL = (TabLayout) findViewById(R.id.tl_bottom);
}
private void initData() {
int size = mTitleArr.length;
mViewList = new ArrayList<>(size);
// 添加 Tab,初始化 View 列表
for (int i = 0; i < size; i++) {
mBottomTL.addTab(mBottomTL.newTab().setText(mTitleArr[i]));
View view = LayoutInflater.from(this).inflate(R.layout.item_tablayoutdemo2_vp, null);
TextView tv = (TextView) view.findViewById(R.id.tv_text);
tv.setText(mTitleArr[i]);
mViewList.add(view);
}
mAdapter = new TabLayoutDemo2PagerAdapter(mViewList);
// 填充 ViewPager
mContentVP.setAdapter(mAdapter);
// 给ViewPager添加监听
mContentVP.addOnPageChangeListener(new TabLayout.TabLayoutOnPageChangeListener(mBottomTL));
// 设置setOnTabSelectedListener
mBottomTL.setOnTabSelectedListener(new TabLayout.OnTabSelectedListener() {
@Override
public void onTabSelected(TabLayout.Tab tab) {
// 切换到指定的 item
mContentVP.setCurrentItem(tab.getPosition());
}
@Override
public void onTabUnselected(TabLayout.Tab tab) {
}
@Override
public void onTabReselected(TabLayout.Tab tab) {
}
});
}
}