public class MainActivity extends SlidingFragmentActivity implementsOnClickListener{protected SlidingMenu mSlidingMenu ;private ImageButton ivTitleBtnLeft ;private Fragment mContent ;@Overridepublic void onCreate(Bundle savedInstanceState) {super .onCreate(savedInstanceState);initSlidingMenu();setContentView(R.layout. activity_main );initView();}private void initView() {ivTitleBtnLeft = (ImageButton)this .findViewById(R.id. ivTitleBtnLeft);ivTitleBtnLeft .setOnClickListener( this);}//初始化左侧菜单private void initSlidingMenu() {mContent = new Fragment_yixin();getSupportFragmentManager().beginTransaction().replace(R.id. content_frame , mContent ).commit();setBehindContentView(R.layout. main_left_layout );//设置左边的菜单布局FragmentTransaction mFragementTransaction = getSupportFragmentManager().beginTransaction();Fragment mFrag = new LeftSlidingMenuFragment();mFragementTransaction.replace(R.id. main_left_fragment , mFrag);mFragementTransaction.commit();mSlidingMenu = getSlidingMenu();mSlidingMenu .setMode(SlidingMenu. LEFT); // 设置是左滑还是右滑，还是左右都可以滑，我这里只做了左滑mSlidingMenu .setBehindOffsetRes(R.dimen. slidingmenu_offset); // 设置菜单宽度mSlidingMenu .setFadeDegree(0.35f);// 设置淡入淡出的比例mSlidingMenu .setTouchModeAbove(SlidingMenu. TOUCHMODE_FULLSCREEN); //设置手势模式mSlidingMenu .setShadowDrawable(R.drawable. shadow); // 设置左菜单阴影图片mSlidingMenu .setFadeEnabled( true); // 设置滑动时菜单的是否淡入淡出mSlidingMenu .setBehindScrollScale(0.333f);// 设置滑动时拖拽效果}@Overridepublic void onClick(View v) {switch (v.getId()) {case R.id.ivTitleBtnLeft ://点击标题左边按钮弹出左侧菜单mSlidingMenu .showMenu( true);break ;default :break ;}}/***    左侧菜单点击切换首页的内容*/public void switchContent(Fragment fragment) {mContent = fragment;getSupportFragmentManager().beginTransaction().replace(R.id. content_frame , fragment).commit();getSlidingMenu().showContent();}}

public class LeftSlidingMenuFragment extends Fragment implements OnClickListener{private View yixinBtnLayout;  //左侧菜单的易信功能private View circleBtnLayout; //左侧菜单的朋友圈功能private View settingBtnLayout; //左侧菜单的设置功能@Overridepublic void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);}@Overridepublic View onCreateView(LayoutInflater inflater, ViewGroup container,Bundle savedInstanceState) {View view = inflater.inflate(R.layout.main_left_fragment, container,false);yixinBtnLayout = view.findViewById(R.id.yixinBtnLayout);yixinBtnLayout.setOnClickListener(this);circleBtnLayout = view.findViewById(R.id.circleBtnLayout);circleBtnLayout.setOnClickListener(this);settingBtnLayout = view.findViewById(R.id.settingBtnLayout);settingBtnLayout.setOnClickListener(this);System.out.println();return view;}@Overridepublic void onClick(View v) {Fragment newContent = null;switch (v.getId()) {case R.id.yixinBtnLayout: //易信的点击事件newContent = new Fragment_yixin();yixinBtnLayout.setSelected(true);circleBtnLayout.setSelected(false);settingBtnLayout.setSelected(false);break;case R.id.circleBtnLayout: //朋友圈的点击事件newContent = new Fragment_friend();yixinBtnLayout.setSelected(false);circleBtnLayout.setSelected(true);settingBtnLayout.setSelected(false);break;case R.id.settingBtnLayout: //设置的点击事件newContent = new Fragment_setting();yixinBtnLayout.setSelected(false);circleBtnLayout.setSelected(false);settingBtnLayout.setSelected(true);break;default:break;}if (newContent != null)switchFragment(newContent);}/** 切换到不同的功能内容*/private void switchFragment(Fragment fragment) {if (getActivity() == null)return;    MainActivity ra = (MainActivity) getActivity();ra.switchContent(fragment);}
}