怎么设置默认选中 about dropdownmenu HOT 9 OPEN

private LinearLayout tabMenuView;
private FrameLayout containerView;
private FrameLayout popupMenuViews;
private View maskView;
private int current_tab_position;
private int dividerColor;
private int textSelectedColor;
private int textUnselectedColor;
private int maskColor;
private int menuTextSize;
private int menuSelectedIcon;
private int menuUnselectedIcon;
private float menuHeighPercent;

public MyDropDownMenu(Context context) {
    super(context, (AttributeSet)null);
    this.current_tab_position = -1;
    this.dividerColor = -3355444;
    this.textSelectedColor = -7795579;
    this.textUnselectedColor = -15658735;
    this.maskColor = -2004318072;
    this.menuTextSize = 14;
    this.menuHeighPercent = 0.5F;
}

public MyDropDownMenu(Context context, AttributeSet attrs) {
    this(context, attrs, 0);
}

public MyDropDownMenu(Context context, AttributeSet attrs, int defStyleAttr) {
    super(context, attrs, defStyleAttr);
    this.current_tab_position = -1;
    this.dividerColor = -3355444;
    this.textSelectedColor = -7795579;
    this.textUnselectedColor = -15658735;
    this.maskColor = -2004318072;
    this.menuTextSize = 14;
    this.menuHeighPercent = 0.5F;
    this.setOrientation(LinearLayout.VERTICAL);
    int menuBackgroundColor = -1;
    int underlineColor = -3355444;
    TypedArray a = context.obtainStyledAttributes(attrs, com.yyydjk.library.R.styleable.DropDownMenu);
    underlineColor = a.getColor(com.yyydjk.library.R.styleable.DropDownMenu_ddunderlineColor, underlineColor);
    this.dividerColor = a.getColor(com.yyydjk.library.R.styleable.DropDownMenu_dddividerColor, this.dividerColor);
    this.textSelectedColor = a.getColor(com.yyydjk.library.R.styleable.DropDownMenu_ddtextSelectedColor, this.textSelectedColor);
    this.textUnselectedColor = a.getColor(com.yyydjk.library.R.styleable.DropDownMenu_ddtextUnselectedColor, this.textUnselectedColor);
    menuBackgroundColor = a.getColor(com.yyydjk.library.R.styleable.DropDownMenu_ddmenuBackgroundColor, menuBackgroundColor);
    this.maskColor = a.getColor(com.yyydjk.library.R.styleable.DropDownMenu_ddmaskColor, this.maskColor);
    this.menuTextSize = a.getDimensionPixelSize(com.yyydjk.library.R.styleable.DropDownMenu_ddmenuTextSize, this.menuTextSize);
    this.menuSelectedIcon = a.getResourceId(com.yyydjk.library.R.styleable.DropDownMenu_ddmenuSelectedIcon, this.menuSelectedIcon);
    this.menuUnselectedIcon = a.getResourceId(com.yyydjk.library.R.styleable.DropDownMenu_ddmenuUnselectedIcon, this.menuUnselectedIcon);
    this.menuHeighPercent = a.getFloat(com.yyydjk.library.R.styleable.DropDownMenu_ddmenuMenuHeightPercent, this.menuHeighPercent);
    a.recycle();
    this.tabMenuView = new LinearLayout(context);
    LayoutParams params = new LayoutParams(-1, -2);
    this.tabMenuView.setOrientation(HORIZONTAL);
    this.tabMenuView.setBackgroundColor(menuBackgroundColor);
    this.tabMenuView.setLayoutParams(params);
    this.addView(this.tabMenuView, 0);
    View underLine = new View(this.getContext());
    underLine.setLayoutParams(new LayoutParams(-1, this.dpTpPx(1.0F)));
    underLine.setBackgroundColor(underlineColor);
    this.addView(underLine, 1);
    this.containerView = new FrameLayout(context);
    this.containerView.setLayoutParams(new android.widget.FrameLayout.LayoutParams(-1, -1));
    this.addView(this.containerView, 2);
}

public void setDropDownMenu(@NonNull List<String> tabTexts, @NonNull List<View> popupViews, @NonNull View contentView) {
    if(tabTexts.size() != popupViews.size()) {
        throw new IllegalArgumentException("params not match, tabTexts.size() should be equal popupViews.size()");
    } else {
        int i;
        for(i = 0; i < tabTexts.size(); ++i) {
            this.addTab(tabTexts, i);
        }

        this.containerView.addView(contentView, 0);
        this.maskView = new View(this.getContext());
        this.maskView.setLayoutParams(new android.widget.FrameLayout.LayoutParams(-1, -1));
        this.maskView.setBackgroundColor(this.maskColor);
        this.maskView.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                MyDropDownMenu.this.closeMenu();
            }
        });
        this.containerView.addView(this.maskView, 1);
        this.maskView.setVisibility(GONE);
        if(this.containerView.getChildAt(2) != null) {
            this.containerView.removeViewAt(2);
        }

        this.popupMenuViews = new FrameLayout(this.getContext());
        this.popupMenuViews.setLayoutParams(new android.widget.FrameLayout.LayoutParams(-1, (int)((float)DeviceUtils.getScreenSize(this.getContext()).y * this.menuHeighPercent)));
        this.popupMenuViews.setVisibility(GONE);
        this.containerView.addView(this.popupMenuViews, 2);

        for(i = 0; i < popupViews.size(); ++i) {
            ((View)popupViews.get(i)).setLayoutParams(new android.view.ViewGroup.LayoutParams(-1, -2));
            this.popupMenuViews.addView((View)popupViews.get(i), i);
        }

    }
}

private void addTab(@NonNull List<String> tabTexts, int i) {
    final TextView tab = new TextView(this.getContext());
    tab.setSingleLine();
    tab.setEllipsize(TextUtils.TruncateAt.END);
    tab.setGravity(17);
    tab.setTextSize(0, (float)this.menuTextSize);
    tab.setLayoutParams(new LayoutParams(0, -2, 1.0F));
    tab.setTextColor(this.textUnselectedColor);
    tab.setCompoundDrawablesWithIntrinsicBounds((Drawable)null, (Drawable)null, this.getResources().getDrawable(this.menuUnselectedIcon), (Drawable)null);
    tab.setText((CharSequence)tabTexts.get(i));
    tab.setPadding(this.dpTpPx(5.0F), this.dpTpPx(12.0F), this.dpTpPx(5.0F), this.dpTpPx(12.0F));
    tab.setOnClickListener(new OnClickListener() {
        public void onClick(View v) {
            MyDropDownMenu.this.switchMenu(tab);
        }
    });
    this.tabMenuView.addView(tab);
    if(i < tabTexts.size() - 1) {
        View view = new View(this.getContext());
        view.setLayoutParams(new LayoutParams(this.dpTpPx(0.5F), -1));
        view.setBackgroundColor(this.dividerColor);
        this.tabMenuView.addView(view);
    }

}

public void setTabText(String text) {
    if(this.current_tab_position != -1) {
        ((TextView)this.tabMenuView.getChildAt(this.current_tab_position)).setText(text);
        Log.i("mypan", "setTabText: "+this.current_tab_position);
    }

}

public void setTabClickable(boolean clickable) {
    for(int i = 0; i < this.tabMenuView.getChildCount(); i += 2) {
        this.tabMenuView.getChildAt(i).setClickable(clickable);
    }

}

public void closeMenu() {
    if(this.current_tab_position != -1) {
        ((TextView)this.tabMenuView.getChildAt(this.current_tab_position)).setTextColor(this.textUnselectedColor);
        ((TextView)this.tabMenuView.getChildAt(this.current_tab_position)).setCompoundDrawablesWithIntrinsicBounds((Drawable)null, (Drawable)null, this.getResources().getDrawable(this.menuUnselectedIcon), (Drawable)null);
        this.popupMenuViews.setVisibility(GONE);
        this.popupMenuViews.setAnimation(AnimationUtils.loadAnimation(this.getContext(), com.yyydjk.library.R.anim.dd_menu_out));
        this.maskView.setVisibility(GONE);
        this.maskView.setAnimation(AnimationUtils.loadAnimation(this.getContext(), com.yyydjk.library.R.anim.dd_mask_out));
        this.current_tab_position = -1;
    }

}

public boolean isShowing() {
    return this.current_tab_position != -1;
}

private void switchMenu(View target) {
    System.out.println(this.current_tab_position);

    for(int i = 0; i < this.tabMenuView.getChildCount(); i += 2) {
        if(target == this.tabMenuView.getChildAt(i)) {
            if(this.current_tab_position == i) {
                this.closeMenu();
            } else {
                if(this.current_tab_position == -1) {
                    this.popupMenuViews.setVisibility(VISIBLE);
                    this.popupMenuViews.setAnimation(AnimationUtils.loadAnimation(this.getContext(), com.yyydjk.library.R.anim.dd_menu_in));
                    this.maskView.setVisibility(VISIBLE);
                    this.maskView.setAnimation(AnimationUtils.loadAnimation(this.getContext(), com.yyydjk.library.R.anim.dd_mask_in));
                    this.popupMenuViews.getChildAt(i / 2).setVisibility(VISIBLE);
                } else {
                    this.popupMenuViews.getChildAt(i / 2).setVisibility(VISIBLE);
                }

                this.current_tab_position = i;
                ((TextView)this.tabMenuView.getChildAt(i)).setTextColor(this.textSelectedColor);
                ((TextView)this.tabMenuView.getChildAt(i)).setCompoundDrawablesWithIntrinsicBounds((Drawable)null, (Drawable)null, this.getResources().getDrawable(this.menuSelectedIcon), (Drawable)null);
            }
        } else {
            ((TextView)this.tabMenuView.getChildAt(i)).setTextColor(this.textUnselectedColor);
            ((TextView)this.tabMenuView.getChildAt(i)).setCompoundDrawablesWithIntrinsicBounds((Drawable)null, (Drawable)null, this.getResources().getDrawable(this.menuUnselectedIcon), (Drawable)null);
            this.popupMenuViews.getChildAt(i / 2).setVisibility(GONE);
        }
    }

}

public int dpTpPx(float value) {
    DisplayMetrics dm = this.getResources().getDisplayMetrics();
    return (int)((double)TypedValue.applyDimension(1, value, dm) + 0.5D);
}


public void setpos(int current_tab_position){
    this.current_tab_position=current_tab_position;
}