Android 側劃菜單

一、DrawerLayout  谷歌官方提供html

(1) https://developer.android.com/training/implementing-navigation/nav-drawer.htmlandroid

下載它的demo,導入運行。ide

 (2)Support v4 Demos---->Widget----->Drawer layouthtm

  (3)實現手勢滑動:get

  FrameLayout content_frame=(FrameLayout)findViewById(R.id.content_frame);
  content_frame.setOnTouchListener(new OnTouchListener() {   
   float startX ;
   @Override
   public boolean onTouch(View v, MotionEvent event) {
    switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
     startX = event.getX();
     break;
    case MotionEvent.ACTION_UP:
     if (event.getX() > startX) { // 向右滑動
      /*if (!mDrawerLayout.isDrawerVisible(GravityCompat.START)) {
      }*/
      mDrawerLayout.openDrawer(GravityCompat.START);
      mDrawerLayout.setDrawerListener(mDrawerToggle);  
     } else if (event.getX() < startX) { // 向左滑動
      mDrawerLayout.closeDrawer(GravityCompat.START);
     }
     break;
    }
    return true;
   }
  });it

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