[有源码]ViewPager+Fragment+RadioButton替代TabActivity

package cn.com.jdsc;import android.os.Bundle;import android.support.v4.app.FragmentActivity;import android.support.v4.view.ViewPager;import android.support.v4.view.ViewPager.OnPageChangeListener;import android.view.View;import android.view.View.OnClickListener;import android.widget.RadioButton;public class MainActivity extends FragmentActivity implements OnClickListener{public static final int TAB_HOME = 0;public static final int TAB_CATAGORY = 1;public static final int TAB_CAR = 2;public static final int TAB_BUY = 3;public static final int TAB_MORE = 4;private ViewPager viewPager;private RadioButton main_tab_home, main_tab_catagory, main_tab_car,main_tab_buy, main_tab_more;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.fragmentmain);initView();addListener();}private void initView() {viewPager = (ViewPager) findViewById(R.id.viewpager);main_tab_home = (RadioButton) findViewById(R.id.main_tab_home);main_tab_catagory = (RadioButton) findViewById(R.id.main_tab_catagory);main_tab_car = (RadioButton) findViewById(R.id.main_tab_car);main_tab_buy = (RadioButton) findViewById(R.id.main_tab_buy);main_tab_more = (RadioButton) findViewById(R.id.main_tab_more);main_tab_home.setOnClickListener(this);main_tab_catagory.setOnClickListener(this);main_tab_car.setOnClickListener(this);main_tab_buy.setOnClickListener(this);main_tab_more.setOnClickListener(this);FragmentAdapter adapter = new FragmentAdapter(getSupportFragmentManager());viewPager.setAdapter(adapter);}private void addListener() {viewPager.setOnPageChangeListener(new OnPageChangeListener() {@Overridepublic void onPageSelected(int id) {switch (id) {case TAB_HOME:main_tab_home.setChecked(true);break;case TAB_CATAGORY:main_tab_catagory.setChecked(true);break;case TAB_CAR:main_tab_car.setChecked(true);break;case TAB_BUY:main_tab_buy.setChecked(true);break;case TAB_MORE:main_tab_more.setChecked(true);break;default:break;}}@Overridepublic void onPageScrolled(int arg0, float arg1, int arg2) {}@Overridepublic void onPageScrollStateChanged(int arg0) {}});}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.main_tab_home:viewPager.setCurrentItem(TAB_HOME);break;case R.id.main_tab_catagory:viewPager.setCurrentItem(TAB_CATAGORY);break;case R.id.main_tab_car:viewPager.setCurrentItem(TAB_CAR);break;case R.id.main_tab_buy:viewPager.setCurrentItem(TAB_BUY);break;case R.id.main_tab_more:viewPager.setCurrentItem(TAB_MORE);break;default:break;}}}

各个Fragment

package cn.com.jdsc;import android.os.Bundle;import android.support.v4.app.Fragment;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;public class HomeFragment extends Fragment{@Overridepublic View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {System.out.println("HomeFragment");return inflater.inflate(R.layout.main_home, container, false);}}

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