import net.i2p.android.ext.floatingactionbutton.FloatingActionButton; //导入依赖的package包/类
@Override
public void setUpInnerLayout(View view) {
    nameText = (TextView) view.findViewById(R.id.name);
    descriptionText = (TextView) view.findViewById(R.id.description);
    changelogText = (TextView) view.findViewById(R.id.changelog_text);
    downloadButton = (FloatingActionButton) view.findViewById(R.id.download_button);
}
 

import net.i2p.android.ext.floatingactionbutton.FloatingActionButton; //导入依赖的package包/类
private void startView(){
    /* Initialize a frame layout with a hole */
    mFrameLayout = new FrameLayoutWithHole(mActivity, mHighlightedView, mMotionType, mOverlay);
    /* handle click disable */
    handleDisableClicking(mFrameLayout);

    /* setup floating action button */
    if (mPointer != null) {
        FloatingActionButton fab = setupAndAddFABToFrameLayout(mFrameLayout);
        performAnimationOn(fab);
    }
    setupFrameLayout();
    /* setup tooltip view */
    setupToolTip();
}
 

import net.i2p.android.ext.floatingactionbutton.FloatingActionButton; //导入依赖的package包/类
private FloatingActionButton setupAndAddFABToFrameLayout(final FrameLayoutWithHole frameLayoutWithHole){
    // invisFab is invisible, and it's only used for getting the width and height
    final FloatingActionButton invisFab = new FloatingActionButton(mActivity);
    invisFab.setSize(FloatingActionButton.SIZE_MINI);
    invisFab.setVisibility(View.INVISIBLE);
    ((ViewGroup)mActivity.getWindow().getDecorView()).addView(invisFab);

    // fab is the real fab that is going to be added
    final FloatingActionButton fab = new FloatingActionButton(mActivity);
    fab.setBackgroundColor(Color.BLUE);
    fab.setSize(FloatingActionButton.SIZE_MINI);
    fab.setColorNormal(mPointer.mColor);
    fab.setStrokeVisible(false);
    fab.setClickable(false);

    // When invisFab is layouted, it's width and height can be used to calculate the correct position of fab
    invisFab.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            // make sure this only run once
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN) {
                //noinspection deprecation
                invisFab.getViewTreeObserver().removeGlobalOnLayoutListener(this);
            } else {
                invisFab.getViewTreeObserver().removeOnGlobalLayoutListener(this);
            }
            final FrameLayout.LayoutParams params = new FrameLayout.LayoutParams(LinearLayout.LayoutParams.WRAP_CONTENT, LinearLayout.LayoutParams.WRAP_CONTENT);
            frameLayoutWithHole.addView(fab, params);

            // measure size of image to be placed
            params.setMargins(getXBasedOnGravity(invisFab.getWidth()), getYBasedOnGravity(invisFab.getHeight()), 0, 0);
        }
    });


    return fab;
}
 

import net.i2p.android.ext.floatingactionbutton.FloatingActionButton; //导入依赖的package包/类
private void initFAB() {
    sendFloatingActionsMenu = (FloatingActionsMenu) findViewById(R.id.sendFloatingActionsMenu);
    actionSendSMS = (FloatingActionButton) findViewById(R.id.actionSendSMS);
    actionSendSMS.setOnClickListener(this);
    actionShare = (FloatingActionButton) findViewById(R.id.actionShare);
    actionShare.setOnClickListener(this);
}