Activity中多Fragment使用方案1

private NoScrollViewPager viewPager;
private RadioGroup radioGroup;

private void initView() {
    viewPager = (NoScrollViewPager) findViewById(R.id.view_pager);
    FragmentAdapter adapter = new FragmentAdapter(getSupportFragmentManager());
    viewPager.setAdapter(adapter);
    controlViewPagerSpeed();
    radioGroup = (RadioGroup) findViewById(R.id.main_radio);
    radioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(RadioGroup group, int checkedId) {
            switch (checkedId) {
                case R.id.radio_button0:
                    currentIndex = 0;
                    viewPager.setCurrentItem(0);
                    break;
                case R.id.radio_button1:
                    currentIndex = 1;
                    viewPager.setCurrentItem(1);
                    break;
            }
        }
    });
}

class FragmentAdapter extends FragmentPagerAdapter {

    public static final int TAB_COUNT = 2;

    public FragmentAdapter(FragmentManager fm) {
        super(fm);
    }

    @Override
    public Fragment getItem(int positon) {
        switch (positon) {
            case 0:
                suchaFragment = new SuchaFragment();
                return suchaFragment;
            case 1:
                mineFragment = new MineFragment();
                return mineFragment;

        }
        return null;
    }

    @Override
    public int getCount() {
        return TAB_COUNT;
    }

}


FixedSpeedScroller mScroller = null;

/**
 * viewpager 切换速度
 */
private void controlViewPagerSpeed() {
    try {
        Field mField;
        mField = ViewPager.class.getDeclaredField("mScroller");
        mField.setAccessible(true);
        mScroller = new FixedSpeedScroller(viewPager.getContext(), new AccelerateInterpolator());
        mScroller.setmDuration(0);
        mField.set(viewPager, mScroller);
    } catch (Exception e) {
        e.printStackTrace();
    }
}

@Override
public void onSaveInstanceState(Bundle outState, PersistableBundle outPersistentState) {
    //activity 被系统回收后 不保存Fragment 的状态
    //super.onSaveInstanceState(outState, outPersistentState);
}
布局文件
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas./apk/res/android"
    xmlns:tools="http://schemas./tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context="com.xgs.financepay.activity.MainActivity">


    <RadioGroup
        android:id="@+id/main_radio"
        android:layout_width="match_parent"
        android:layout_height="55dp"
        android:layout_alignParentBottom="true"
        android:background="#F9f9f9"
        android:gravity="center_vertical"
        android:orientation="horizontal" >

        <com.xgs.view.DrawableLeftCenterRadioButton
        android:id="@+id/radio_button0"
       
        android:tag="radio_button0"
        android:text="@string/sucha"
        android:gravity="center_vertical"
        android:checked="true"
        android:layout_marginRight="80dp"
        />

        <com.xgs.view.DrawableLeftCenterRadioButton
            android:id="@+id/radio_button1"
          
            android:tag="radio_button1"
            android:gravity="center_vertical"
            android:text="@string/mine" />

    </RadioGroup>

    <View
        android:layout_above="@id/main_radio"
        android:layout_width="match_parent"
        android:layout_height="1px"
        android:background="@color/black"
        />

    <com.xgs.view.NoScrollViewPager
        android:id="@+id/view_pager"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true">

    </com.xgs.view.NoScrollViewPager>

</RelativeLayout>
自定义按钮
/**
 * Created by Administrator on 2016/9/23.
 */

public class DrawableLeftCenterRadioButton extends RadioButton {

    public DrawableLeftCenterRadioButton(Context context) {
        super(context);
    }

    public DrawableLeftCenterRadioButton(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    public DrawableLeftCenterRadioButton(Context context, AttributeSet attrs,
                                      int defStyle) {
        super(context, attrs, defStyle);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        Drawable[] drawables = getCompoundDrawables();
        if(drawables != null){
            Drawable drawableLeft = drawables[0];
            if(drawableLeft != null){
                float textWidth = getPaint().measureText(getText().toString());
                int drawablePadding = getCompoundDrawablePadding();
                int drawableWidth = 0;
                drawableWidth = drawableLeft.getIntrinsicWidth();
                float bodyWidth = textWidth + drawableWidth + drawablePadding;
                canvas.translate((getWidth() - bodyWidth) / 2, 0);
            }
        }
        super.onDraw(canvas);
    }
}


public class NoScrollViewPager extends ViewPager {
   private boolean noScroll = true;

   public NoScrollViewPager(Context context, AttributeSet attrs) {
      super(context, attrs);
   }

   public NoScrollViewPager(Context context) {
      super(context);
   }

   public void setNoScroll(boolean noScroll) {
      this.noScroll = noScroll;
   }

   @Override
   public void scrollTo(int x, int y) {
      super.scrollTo(x, y);
   }

   @Override
   public boolean onTouchEvent(MotionEvent arg0) {
      /* return false;//super.onTouchEvent(arg0); */
      if (noScroll)
         return false;
      else
         return super.onTouchEvent(arg0);
   }

   @Override
   public boolean onInterceptTouchEvent(MotionEvent arg0) {
      if (noScroll)
         return false;
      else
         return super.onInterceptTouchEvent(arg0);
   }

   @Override
   public void setCurrentItem(int item, boolean smoothScroll) {
      super.setCurrentItem(item, smoothScroll);
   }

   @Override
   public void setCurrentItem(int item) {
      super.setCurrentItem(item);
   }

}