本文实例为大家分享了Android模仿微信主界面展示的具体代码，供大家参考，具体内容如下
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先看一下效果图
实现的原理：
ViewPager+FragmentPagerAdapter
主界面可分为三部分：
这里为了布局的优化，将top和bottom抽取出来 ，然后用include将其导入主布局，如下
bottom_tab的布局，为了方便管理将它们的共性抽取出来一个style
tab有两种状态，选中和非选中，因此将其背景做成一个选择器selector
<?xml version="1.0" encoding="utf-8"?>
最后看一下作为Controller的Activity
/**
* 主界面 模仿微信界面
*
* @author admin
*
*/
public class MainActivity extends FragmentActivity {
/** tab */
private RadioGroup mRadioGroup;
private RadioButton weixinRadioButton;
private RadioButton friendRadioButton;
private RadioButton contactRadioButton;
private RadioButton settingRadioButton;
/** 显示内容容器 */
private ViewPager mViewPager;
private List fragments;
private Fragment mWeiXinFragment;
private Fragment mFriendFragment;
private Fragment mContactFragment;
private Fragment mSettingFragment;
private FragmentPagerAdapter mFragmentPagerAdapter;
private final static int TAB_WEIXIN = 0;
private final static int TAB_FRIEND = 1;
private final static int TAB_CONTACT = 2;
private final static int TAB_SETTING = 3;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
initView();
initEvent();
}
private void initEvent() {
mRadioGroup.setOnCheckedChangeListener(myCheckedChangeListener);
mViewPager.setOnPageChangeListener(myOnPageChangeListener);
}
private void initView() {
mRadioGroup = (RadioGroup) findViewById(R.id.rg_tab_container);
weixinRadioButton = (RadioButton) findViewById(R.id.rb_tab_weixin);
friendRadioButton = (RadioButton) findViewById(R.id.rb_tab_friend);
contactRadioButton = (RadioButton) findViewById(R.id.rb_tab_contact);
settingRadioButton = (RadioButton) findViewById(R.id.rb_tab_setting);
mViewPager = (ViewPager) findViewById(R.id.vp_content);
fragments = new ArrayList();
mWeiXinFragment = new WeiXinFragment();
mFriendFragment = new FriendFragment();
mContactFragment = new ContactFragment();
mSettingFragment = new SettingFragment();
fragments.add(mWeiXinFragment);
fragments.add(mFriendFragment);
fragments.add(mContactFragment);
fragments.add(mSettingFragment);
//这里需要继承FragmentActivity
mFragmentPagerAdapter = new FragmentAdapter(getSupportFragmentManager());
mViewPager.setAdapter(mFragmentPagerAdapter);
}
/**
* 当页面切换时，tab也跟着切换
*/
private OnPageChangeListener myOnPageChangeListener = new OnPageChangeListener() {
@Override
public void onPageSelected(int arg0) {
switch (arg0) {
case TAB_WEIXIN:
if (!weixinRadioButton.isChecked()) {
weixinRadioButton.setChecked(true);
}
break;
case TAB_FRIEND:
friendRadioButton.setChecked(true);
break;
case TAB_CONTACT:
contactRadioButton.setChecked(true);
break;
case TAB_SETTING:
settingRadioButton.setChecked(true);
break;
}
}
@Override
public void onPageScrolled(int arg0, float arg1, int arg2) {
}
@Override
public void onPageScrollStateChanged(int arg0) {
}
};
/**
* 点击tab，切换到相应的页面
*/
private OnCheckedChangeListener myCheckedChangeListener = new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup group, int checkedId) {
switch (checkedId) {
case R.id.rb_tab_weixin:
mViewPager.setCurrentItem(TAB_WEIXIN);
break;
case R.id.rb_tab_friend:
mViewPager.setCurrentItem(TAB_FRIEND);
break;
case R.id.rb_tab_contact:
mViewPager.setCurrentItem(TAB_CONTACT);
break;
case R.id.rb_tab_setting:
mViewPager.setCurrentItem(TAB_SETTING);
break;
}
}
};
private class FragmentAdapter extends FragmentPagerAdapter {
public FragmentAdapter(FragmentManager fm) {
super(fm);
}
@Override
public Fragment getItem(int arg0) {
return fragments.get(arg0);
}
@Override
public int getCount() {
return fragments.size();
}
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。
