Java Code Examples for android.support.v4.widget.DrawerLayout#LayoutParams

private void init(SideBar sideBar) {
    setLayoutParams(sideBar.getLayoutParams());

    int parentLayoutGravity = ((DrawerLayout.LayoutParams) getLayoutParams()).gravity;
    this.sideBar = sideBar;
    bgView = new SideBarBgView(getContext());
    bgView.setParentLayoutGravity(parentLayoutGravity);
    addView(bgView, 0, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));

    // 将背景色转移给 bgView, 并清除 sideBar 自身的背景色
    bgView.setDrawable(sideBar.getBackground());
    sideBar.setBackgroundColor(Color.TRANSPARENT);
    sideBar.setParentLayoutGravity(parentLayoutGravity);

    addView(sideBar, LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
}
 

/**
 * A function to set Navigation Drawer Parameters
 *
 * @return the LayoutParams for the Drawer
 */
private DrawerLayout.LayoutParams getDrawerParams() {
    DrawerLayout.LayoutParams params = (DrawerLayout.LayoutParams) mScrimInsetsFrameLayout.getLayoutParams();
    int width = getResources().getDisplayMetrics().widthPixels;

    boolean tablet = Utils.isTablet(this);
    int actionBarSize = Utils.getActionBarHeight(this);
    if (Utils.getScreenOrientation(this) == Configuration.ORIENTATION_LANDSCAPE) {
        params.width = width / 2;
        if (tablet)
            params.width -= actionBarSize + (35 * getResources().getDisplayMetrics().density);
    } else params.width = tablet ? width / 2 : width - actionBarSize;

    // Allow configuration of the Navigation drawer to the right side rather than the left
    if (Utils.getBoolean("Navbar_Position_Alternate", false, this)) {
        params.gravity = Gravity.END;
    }

    return params;
}
 

private DrawerLayout createDrawerLayout(){
    if (drawerRootResId != 0){
        return (DrawerLayout) LayoutInflater.from(activity).inflate(drawerRootResId, null);
    }else {
        DrawerLayout drawerLayout = new DrawerLayout(activity);

        FrameLayout contentView = new FrameLayout(activity);
        drawerLayout.addView(contentView, new DrawerLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
        FrameLayout leftDrawer = new FrameLayout(activity);
        int drawerWidth = drawerLeftWidth != 0 ? drawerLeftWidth : DEFAULT_LEFT_DRAWER_WIDTH_DP;

        final ViewGroup.LayoutParams leftDrawerParams = new DrawerLayout.LayoutParams(
                (int)(drawerWidth * Resources.getSystem().getDisplayMetrics().density),
                ViewGroup.LayoutParams.MATCH_PARENT,
                Gravity.START
        );
        drawerLayout.addView(leftDrawer, leftDrawerParams);
        return drawerLayout;
    }
}
 

public static void reconfigureNavigationDrawer(Context context) {
    if (mScrimInsetsFrameLayout != null) {
        DrawerLayout.LayoutParams params = (DrawerLayout.LayoutParams) mScrimInsetsFrameLayout.getLayoutParams();
        // Allow configuration of the Navigation drawer to the right side rather than the left
        if (Utils.getBoolean("Navbar_Position_Alternate", false, context)) {
            params.gravity = Gravity.END;
        } else {
            params.gravity = Gravity.START;
        }
    }
}
 

/**
 * A function to calculate the width of the Navigation Drawer
 * Phones and Tablets have different sizes
 *
 * @return the LayoutParams for the Drawer
 */
private DrawerLayout.LayoutParams getDrawerParams() {
    DrawerLayout.LayoutParams params = (DrawerLayout.LayoutParams) mScrimInsetsFrameLayout.getLayoutParams();
    int width = getResources().getDisplayMetrics().widthPixels;

    boolean tablet = Utils.isTablet(this);
    int actionBarSize = Utils.getActionBarHeight(this);
    if (Utils.getScreenOrientation(this) == Configuration.ORIENTATION_LANDSCAPE) {
        params.width = width / 2;
        if (tablet)
            params.width -= actionBarSize + (35 * getResources().getDisplayMetrics().density);
    } else params.width = tablet ? width / 2 : width - actionBarSize;

    return params;
}
 

/**
 * helper to extend the layoutParams of the drawer
 *
 * @param params
 * @return
 */
private DrawerLayout.LayoutParams processDrawerLayoutParams(DrawerLayout.LayoutParams params) {
    if (params != null) {
        if (drawerGravity != 0 && (drawerGravity == Gravity.RIGHT || drawerGravity == Gravity.END)) {
            params.rightMargin = 0;
            if (Build.VERSION.SDK_INT >= 17) {
                params.setMarginEnd(0);
            }

            params.leftMargin = activity.getResources().getDimensionPixelSize(R.dimen.dd_debug_drawer_margin);
            if (Build.VERSION.SDK_INT >= 17) {
                params.setMarginEnd(activity.getResources().getDimensionPixelSize(R.dimen.dd_debug_drawer_margin));
            }
        }

        if (drawerWidth > -1) {
            params.width = drawerWidth;
        } else {
            params.width = UIUtils.getOptimalDrawerWidth(activity);
        }
    }

    return params;
}
 

private void updateTabPanelTabletWeight() {
    if (MainApplication.getInstance().settings.isRealTablet() && !MainApplication.getInstance().settings.showSidePanel()) {
        DrawerLayout.LayoutParams sidebarLayoutParams = (DrawerLayout.LayoutParams) findViewById(R.id.sidebar).getLayoutParams();
        Point displaySize = AppearanceUtils.getDisplaySize(getWindowManager().getDefaultDisplay());
        sidebarLayoutParams.width = (int) (displaySize.x * MainApplication.getInstance().settings.getTabPanelTabletWeight());
        findViewById(R.id.sidebar).setLayoutParams(sidebarLayoutParams);
    }
}
 

/**
 * build the drawers content only. This will still return a Result object, but only with the content set. No inflating of a DrawerLayout.
 *
 * @return Result object with only the content set
 */
public Drawer buildView() {
    // get the slider view
    mSliderLayout = (RelativeLayout) mActivity.getLayoutInflater().inflate(R.layout.material_drawer_slider, mDrawerLayout, false);
    mSliderLayout.setBackgroundColor(UIUtils.getThemeColorFromAttrOrRes(mActivity, R.attr.material_drawer_background, R.color.material_drawer_background));
    // get the layout params
    DrawerLayout.LayoutParams params = (DrawerLayout.LayoutParams) mSliderLayout.getLayoutParams();
    if (params != null) {
        // if we've set a custom gravity set it
        params.gravity = mDrawerGravity;
        // if this is a drawer from the right, change the margins :D
        params = DrawerUtils.processDrawerLayoutParams(this, params);
        // set the new layout params
        mSliderLayout.setLayoutParams(params);
    }

    //create the content
    createContent();

    //create the result object
    Drawer result = new Drawer(this);
    //set the drawer for the accountHeader if set
    if (mAccountHeader != null) {
        mAccountHeader.setDrawer(result);
    }

    //toggle selection list if we were previously on the account list
    if (mSavedInstance != null && mSavedInstance.getBoolean(Drawer.BUNDLE_DRAWER_CONTENT_SWITCHED, false)) {
        mAccountHeader.toggleSelectionList(mActivity);
    }

    //handle if the drawer should be shown on first launch
    handleShowOnFirstLaunch();

    //forget the reference to the activity
    mActivity = null;

    return result;
}
 

/**
 * helper to extend the layoutParams of the drawer
 *
 * @param params
 * @return
 */
public static DrawerLayout.LayoutParams processDrawerLayoutParams(DrawerBuilder drawer, DrawerLayout.LayoutParams params) {
    if (params != null) {
        if (drawer.mDrawerGravity != null && (drawer.mDrawerGravity == Gravity.RIGHT || drawer.mDrawerGravity == Gravity.END)) {
            params.rightMargin = 0;
            if (Build.VERSION.SDK_INT >= 17) {
                params.setMarginEnd(0);
            }

            params.leftMargin = drawer.mActivity.getResources().getDimensionPixelSize(R.dimen.material_drawer_margin);
            if (Build.VERSION.SDK_INT >= 17) {
                params.setMarginEnd(drawer.mActivity.getResources().getDimensionPixelSize(R.dimen.material_drawer_margin));
            }
        }

        if (drawer.mDisplayBelowStatusBar != null && drawer.mDisplayBelowStatusBar && Build.VERSION.SDK_INT >= 19) {
            params.topMargin = UIUtils.getStatusBarHeight(drawer.mActivity, true);
        }

        if (drawer.mDrawerWidth > -1) {
            params.width = drawer.mDrawerWidth;
        } else {
            params.width = DrawerUIUtils.getOptimalDrawerWidth(drawer.mActivity);
        }
    }

    return params;
}
 

public MainDrawerMenu(MainActivity activity, SelectItemListener listener) {
    prefs = App.getInstance().getPreferences();
    DisplayMetrics displayMetrics = App.getInstance().getResources().getDisplayMetrics();
    float dpWidth = displayMetrics.widthPixels;
    if (dpWidth > displayMetrics.density * 400) {
        dpWidth = displayMetrics.density * 400;
    }
    dpWidth -= 80 * displayMetrics.density;
    mActivity = activity;
    mSelectItemListener = listener;
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);


    mDrawer = (NavigationView) findViewById(R.id.left_drawer);
    mDrawer.setNavigationItemSelectedListener(this);
    DrawerLayout.LayoutParams params = (DrawerLayout.LayoutParams) mDrawer.getLayoutParams();
    params.width = (int) dpWidth;
    if ("right".equals(Preferences.System.getDrawerMenuPosition())) {
        params.gravity = Gravity.RIGHT;
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow_end, GravityCompat.END);
    } else {
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow_start, GravityCompat.START);
    }
    mDrawer.setLayoutParams(params);

    setNavigationItems();

    mDrawerToggle = new ActionBarDrawerToggle(mActivity, mDrawerLayout, mActivity.toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close) {
        @Override
        public void onDrawerOpened(View drawerView) {
            super.onDrawerOpened(drawerView);
            mActivity.hidePopupWindows();
        }
    };
    mDrawerLayout.setDrawerListener(mDrawerToggle);
    mDrawerToggle.syncState();
}
 

public SlidingDebugMenu(Context context,  AttributeSet attrs) {
    super(context, attrs);
    mModules = new ArrayList<>();
    mModuleViews = new HashMap<>();

    DrawerLayout.LayoutParams params = new DrawerLayout.LayoutParams(context, attrs);
    params.gravity = Gravity.RIGHT;
    setLayoutParams(params);
}
 

static int getGravity(View view) {
    if (view.getLayoutParams() instanceof DrawerLayout.LayoutParams) {
        return ((DrawerLayout.LayoutParams) view.getLayoutParams()).gravity;
    }
    throw new IllegalArgumentException("Not child of DrawerLayout");
}
 

/**
 * Call this method to append a new DrawerBuilder to a existing Drawer.
 *
 * @param result the Drawer.Result of an existing Drawer
 * @return
 */
public Drawer append(@NonNull Drawer result) {
    if (mUsed) {
        throw new RuntimeException("you must not reuse a DrawerBuilder builder");
    }
    if (mDrawerGravity == null) {
        throw new RuntimeException("please set the gravity for the drawer");
    }

    //set that this builder was used. now you have to create a new one
    mUsed = true;
    mAppended = true;

    //get the drawer layout from the previous drawer
    mDrawerLayout = result.getDrawerLayout();

    // get the slider view
    mSliderLayout = (RelativeLayout) mActivity.getLayoutInflater().inflate(R.layout.material_drawer_slider, mDrawerLayout, false);
    mSliderLayout.setBackgroundColor(UIUtils.getThemeColorFromAttrOrRes(mActivity, R.attr.material_drawer_background, R.color.material_drawer_background));
    // get the layout params
    DrawerLayout.LayoutParams params = (DrawerLayout.LayoutParams) mSliderLayout.getLayoutParams();
    // set the gravity of this drawerGravity
    params.gravity = mDrawerGravity;
    // if this is a drawer from the right, change the margins :D
    params = DrawerUtils.processDrawerLayoutParams(this, params);
    // set the new params
    mSliderLayout.setLayoutParams(params);
    //define id for the sliderLayout
    mSliderLayout.setId(R.id.material_drawer_slider_layout);
    // add the slider to the drawer
    mDrawerLayout.addView(mSliderLayout, 1);

    //create the content
    createContent();

    //create the result object
    Drawer appendedResult = new Drawer(this);

    //toggle selection list if we were previously on the account list
    if (mSavedInstance != null && mSavedInstance.getBoolean(Drawer.BUNDLE_DRAWER_CONTENT_SWITCHED_APPENDED, false)) {
        mAccountHeader.toggleSelectionList(mActivity);
    }

    //forget the reference to the activity
    mActivity = null;

    return appendedResult;
}
 

TabDrawerMenu(Activity activity, SelectItemListener listener) {
    Resources resources = App.getInstance().getResources();
    DisplayMetrics displayMetrics = resources.getDisplayMetrics();
    float dpWidth = displayMetrics.widthPixels;
    if (dpWidth > displayMetrics.density * 400) {
        dpWidth = displayMetrics.density * 400;
    }
    dpWidth -= 80 * displayMetrics.density;
    mActivity = activity;
    mSelectItemListener = listener;
    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    Button closeAll = (Button) findViewById(R.id.closeAll);
    closeAll.setOnClickListener(v -> {
        if (App.getInstance().getTabItems().size() > 1)
            closeAllTabs();
        else {
            closeDialog();
            toggleOpenState();
        }
    });
    closeAll.setOnLongClickListener(v -> {
        toggleOpenState();
        closeDialog();
        return false;
    });


    mDrawer = (RelativeLayout) findViewById(R.id.tab_drawer);
    mListView = (ListView) findViewById(R.id.tab_list);
    mListView.setOnItemClickListener(new TabOnClickListener());
    mListView.setStackFromBottom(App.getInstance().getPreferences().getBoolean("tabsBottom", false));

    DrawerLayout.LayoutParams params = (DrawerLayout.LayoutParams) mDrawer.getLayoutParams();
    params.width = (int) dpWidth;
    if ("right".equals(Preferences.System.getDrawerMenuPosition())) {
        params.gravity = Gravity.START;
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow_start, GravityCompat.START);
    } else {
        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow_end, GravityCompat.END);
    }
    mDrawer.setLayoutParams(params);

    adapter = new TabAdapter(getContext(), R.layout.tab_drawer_item, App.getInstance().getTabItems());
    mListView.setAdapter(adapter);
}
 

private void addSystemBarMargin(View view) {
    DrawerLayout.LayoutParams lp = (DrawerLayout.LayoutParams) view.getLayoutParams();
    lp.setMargins(lp.leftMargin, lp.topMargin + getStatusBarHeight() + getActionBarHeight(), lp.rightMargin, lp.bottomMargin + getNavigationBarHeight());
    view.setLayoutParams(lp);
}