Java Code Examples for android.support.v7.widget.RecyclerView#setPadding()

public RecyclerView generateMenuView(boolean enableNestedScrolling) {
    //Create menu view
    RecyclerView mMenuView = new RecyclerView(mContext);
    mMenuView.setOverScrollMode(RecyclerView.OVER_SCROLL_NEVER);
    mMenuView.setBackgroundColor(Color.TRANSPARENT);
    mMenuView.setLayoutParams(matchParams);
    final int padding = dpToPx(mContext, 10);
    mMenuView.setPadding(padding, padding, padding, padding);
    mMenuView.setNestedScrollingEnabled(enableNestedScrolling);
    return mMenuView;
}
 

@Override
public void setRecyclerView(RecyclerView recyclerView) {
    recyclerView.setLayoutManager(new GridLayoutManager(getActivity(), 3));
    recyclerView.setScrollBarStyle(View.SCROLLBARS_OUTSIDE_OVERLAY);
    ((SimpleItemAnimator)recyclerView.getItemAnimator()).setSupportsChangeAnimations(false);
    int i = getResources().getDisplayMetrics().widthPixels;
    int y = DensityUtil.dp2px(getContext(), 90);
    int p = DensityUtil.dp2px(getContext(), 15);
    int padding = (3 * y + 2 * 3 * p + 2 * p - i) / (2 * 3);

    recyclerView.setPadding(
            padding,
            DensityUtil.dp2px(getContext(), 8),
            padding,
            DensityUtil.dp2px(getContext(), 8)
    );
}
 

public void setOnScrollListener(RecyclerView recyclerView) {
    if (recyclerView != null) {
        int paddingBottom = recyclerView.getPaddingBottom()
                + getResources().getDimensionPixelSize(R.dimen.basecard_padding);
        if (applyOnBootLayout != null) {
            recyclerView.setPadding(0, applyOnBootLayout.getHeight(), 0, firstOpening ? paddingBottom
                    : recyclerView.getPaddingBottom());
            resetTranslations();

            if (!Utils.isTV(getActivity()))
                recyclerView.addOnScrollListener(onScrollListener = new CustomScrollListener());
        } else recyclerView.setPadding(0, 0, 0, firstOpening ? paddingBottom
                : recyclerView.getPaddingBottom());
        recyclerView.setClipToPadding(false);
    }
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    RecyclerView recyclerView = (RecyclerView) inflater.inflate(
            R.layout.recycler_view, container, false);
    ContentAdapter adapter = new ContentAdapter(recyclerView.getContext());
    recyclerView.setAdapter(adapter);
    recyclerView.setHasFixedSize(true);
    // Set padding for Tiles
    int tilePadding = getResources().getDimensionPixelSize(R.dimen.tile_padding);
    recyclerView.setPadding(tilePadding, tilePadding, tilePadding, tilePadding);
    recyclerView.setLayoutManager(new GridLayoutManager(getActivity(), 2));
    return recyclerView;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    RecyclerView root = new RecyclerView(this);
    //Add header to a list of settings
    List<BaseSetting> settings = new ArrayList<>();
    settings.add(new HeaderSetting(getString(R.string.set_color)));
    //Setup items for each day
    String[] colors = getResources().getStringArray(R.array.colors);
    String[] colorCodes = getResources().getStringArray(R.array.color_codes);
    final SharedPreferences sharedPreferences = getSharedPreferences(getPackageName()+"_settings", Context.MODE_PRIVATE);
    int x = 0;
    int current = sharedPreferences.getInt("color", -1);
    for(String color : colors){
        //Each item needs a Setting
        final int finalX = x;
        settings.add(new IconSetting( (current==x)?getDrawable(R.drawable.check):getDrawable(R.drawable.circle_icon), color, null, new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                sharedPreferences.edit().putInt("color", finalX).apply();
                ColorActivity.this.finish();
            }
        }, Color.parseColor(colorCodes[x])));
        x++;
    }
    //Setup layout
    root.setBackgroundResource(R.drawable.settings_background);
    root.setLayoutManager(new LinearLayoutManager(this));
    root.setAdapter(new Adapter(this, settings));
    root.setPadding((int) getResources().getDimension(R.dimen.padding_round_small), 0, (int) getResources().getDimension(R.dimen.padding_round_small), (int) getResources().getDimension(R.dimen.padding_round_large));
    root.setClipToPadding(false);
    setContentView(root);
}
 

private void initViews(){
    inflate(getContext(), R.layout.merge_content_loader, this);
    setPadding(0, 0, 0, 0);
    setClickable(true);
    errorView = findViewById(R.id.error_view);
    emptyView = findViewById(R.id.empty_view);
    loadingView = findViewById(R.id.loading_view);
    refreshLayout = (SwipeRefreshLayout) findViewById(R.id.refresher);
    recyclerView = (RecyclerView) findViewById(R.id.recycler);
    errorRetryBtn = (Button) findViewById(R.id.btn_error_retry);
    errorMessageTV = (TextView) findViewById(R.id.error_message);
    emptyRetryBtn = (Button) findViewById(R.id.btn_empty_retry);
    emptyMessageTV = (TextView) findViewById(R.id.empty_message);

    errorRetryBtn.setOnClickListener(this);
    emptyRetryBtn.setOnClickListener(this);
    contentView = refreshLayout;
    refreshLayout.setEnabled(false);
    refreshLayout.setColorSchemeResources(
            android.R.color.holo_blue_light,
            android.R.color.holo_purple,
            android.R.color.holo_green_light,
            android.R.color.holo_red_light,
            android.R.color.holo_orange_light);
    refreshLayout.setOnRefreshListener(this);
    recyclerView.setOnScrollListener(mRecyclerScrollListener);
    if(padding!=-1){
        recyclerView.setPadding(padding, padding, padding,padding);
    }else{
        recyclerView.setPadding(paddingLeft, paddingTop, paddingRight, paddingBottom);
    }
    recyclerView.setClipToPadding(clipToPadding);
    setDisplayState(STATE_LOADING);
}
 

@Override
public void getItemOffsets(Rect outRect, View view, RecyclerView parent, RecyclerView.State state) {

  if (parent.getPaddingLeft() != halfSpace) {
    parent.setPadding(halfSpace, halfSpace, halfSpace, halfSpace);
    parent.setClipToPadding(false);
  }

  outRect.top = halfSpace;
  outRect.bottom = halfSpace;
  outRect.left = halfSpace;
  outRect.right = halfSpace;
}
 

void setPadding( RecyclerView rv,
                 @Px int top,
                 @Px int bottom,
                 @Px int left,
                 @Px int right ){
    rv.setClipToPadding( false );
    rv.setScrollBarStyle( SCROLLBARS_OUTSIDE_OVERLAY );
    rv.setPadding( left, top, right, bottom );
}
 

protected void applyRecyclerViewPaddingForLayoutRes(@NonNull RecyclerView recyclerView, @LayoutRes int res) {
    int padding;
    if (res == R.layout.item_grid) {
        padding = (int) (getResources().getDisplayMetrics().density * 2);
    } else {
        padding = 0;
    }
    recyclerView.setPadding(padding, padding, padding, padding);
}
 

private void prepareListView(Context context) {
	mListView = new RecyclerView(context);
	mAdapter = new ItemAdapter();

	mListView.setClipToPadding(false);
	mListView.setPadding(0, getResources().getDimensionPixelSize(R.dimen.stepper_margin_top), 0, 0);

	mListView.addItemDecoration(new VerticalSpaceItemDecoration(
			getResources().getDimensionPixelSize(R.dimen.vertical_stepper_item_space_height)));
	mListView.setLayoutManager(new LinearLayoutManager(context));
	mListView.setAdapter(mAdapter);

	addView(mListView, new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    RecyclerView recyclerView = (RecyclerView) inflater.inflate(
            R.layout.recycler_view, container, false);
    ContentAdapter adapter = new ContentAdapter(recyclerView.getContext());
    recyclerView.setAdapter(adapter);
    recyclerView.setHasFixedSize(true);
    // Set padding for Tiles
    int tilePadding = getResources().getDimensionPixelSize(R.dimen.tile_padding);
    recyclerView.setPadding(tilePadding, tilePadding, tilePadding, tilePadding);
    recyclerView.setLayoutManager(new GridLayoutManager(getActivity(), 2));
    return recyclerView;
}
 

private RecyclerView createRecyclerView(FastAdapter adapter, int gravity, int paddingHorizontal) {
    RecyclerView actionRecyclerView = new RecyclerView(getContext());
    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(getContext(), LinearLayoutManager.HORIZONTAL, false);
    actionRecyclerView.setClipToPadding(false);
    actionRecyclerView.setPadding(paddingHorizontal, 0, paddingHorizontal, 0);
    actionRecyclerView.setLayoutManager(linearLayoutManager);
    actionRecyclerView.setAdapter(adapter);
    actionRecyclerView.setOverScrollMode(OVER_SCROLL_ALWAYS);
    LayoutParams actionRecyclerViewLP = new LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    actionRecyclerViewLP.gravity = gravity;

    addView(actionRecyclerView, actionRecyclerViewLP);
    return actionRecyclerView;
}
 

@Override
public void onActivityCreated(Bundle savedInstanceState) {
    super.onActivityCreated(savedInstanceState);
    View rootView = getView();
    if (rootView != null) {
        RecyclerView list = (RecyclerView) rootView.findViewById(android.support.v7.preference.R.id.list);
        if (list != null) {
            list.setPadding(0, 0, 0, 0);
        }
    }
    setDividerHeight(0);
}
 

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
                         Bundle savedInstanceState) {
    RecyclerView recyclerView = (RecyclerView) inflater.inflate(
            R.layout.recycler_view, container, false);
    ContentAdapter adapter = new ContentAdapter(recyclerView.getContext());
    recyclerView.setAdapter(adapter);
    recyclerView.setHasFixedSize(true);
    // Set padding for Tiles
    int tilePadding = getResources().getDimensionPixelSize(R.dimen.tile_padding);
    recyclerView.setPadding(tilePadding, tilePadding, tilePadding, tilePadding);
    recyclerView.setLayoutManager(new GridLayoutManager(getActivity(), 2));
    return recyclerView;
}
 

/**
 * only setPadding
 * @param recyclerView   RecyclerView
 * @param space px
 */
public SpacesItemDecoration(RecyclerView recyclerView, int space) {
    this(space);
    int halfSpace = space / 2;
    recyclerView.setPadding(halfSpace, halfSpace, halfSpace, halfSpace);
}
 

/**
 * Implement this method to customize the AbsListView
 */
protected void initRecyclerView(View view) {
    mRecycler = (RecyclerView) view.findViewById(android.R.id.list);
    tipView = (TextView) view.findViewById(R.id.tvTip);
    setItemAnimator(null);
    if (mRecycler != null) {
        mRecycler.setHasFixedSize(true);
        mRecycler.setClipToPadding(mClipToPadding);
        mInternalOnScrollListener = new RecyclerView.OnScrollListener() {

            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
                if (mExternalOnScrollListener != null)
                    mExternalOnScrollListener.onScrolled(recyclerView, dx, dy);

            }

            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
                if (mExternalOnScrollListener != null)
                    mExternalOnScrollListener.onScrollStateChanged(recyclerView, newState);

            }
        };
        mRecycler.addOnScrollListener(mInternalOnScrollListener);

        if (mPadding != -1.0f) {
            mRecycler.setPadding(mPadding, mPadding, mPadding, mPadding);
        } else {
            mRecycler.setPadding(mPaddingLeft, mPaddingTop, mPaddingRight, mPaddingBottom);
        }
        if (mScrollbarStyle != -1) {
            mRecycler.setScrollBarStyle(mScrollbarStyle);
        }
        switch (mScrollbar) {
            case 0:
                setVerticalScrollBarEnabled(false);
                break;
            case 1:
                setHorizontalScrollBarEnabled(false);
                break;
            case 2:
                setVerticalScrollBarEnabled(false);
                setHorizontalScrollBarEnabled(false);
                break;
        }
    }
}
 

/**
 * build the MiniDrawer
 *
 * @param ctx
 * @return
 */
public View build(Context ctx) {
    mContainer = new LinearLayout(ctx);
    if (mInnerShadow) {
        if (!mInRTL) {
            mContainer.setBackgroundResource(R.drawable.material_drawer_shadow_left);
        } else {
            mContainer.setBackgroundResource(R.drawable.material_drawer_shadow_right);
        }
    }

    //create and append recyclerView
    mRecyclerView = new RecyclerView(ctx);
    mContainer.addView(mRecyclerView, ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);

    //set the itemAnimator
    mRecyclerView.setItemAnimator(new DefaultItemAnimator());
    //some style improvements on older devices
    mRecyclerView.setFadingEdgeLength(0);
    //set the drawing cache background to the same color as the slider to improve performance
    //mRecyclerView.setDrawingCacheBackgroundColor(UIUtils.getThemeColorFromAttrOrRes(mActivity, R.attr.material_drawer_background, R.color.material_drawer_background));
    mRecyclerView.setClipToPadding(false);
    //additional stuff
    mRecyclerView.setLayoutManager(new LinearLayoutManager(ctx));
    //adapter
    mDrawerAdapter = new DrawerAdapter();
    mRecyclerView.setAdapter(mDrawerAdapter);

    //if the activity with the drawer should be fullscreen add the padding for the statusbar
    if (mDrawer != null && mDrawer.mDrawerBuilder != null && (mDrawer.mDrawerBuilder.mFullscreen || mDrawer.mDrawerBuilder.mTranslucentStatusBar)) {
        mRecyclerView.setPadding(mRecyclerView.getPaddingLeft(), UIUtils.getStatusBarHeight(ctx), mRecyclerView.getPaddingRight(), mRecyclerView.getPaddingBottom());
    }

    //if the activity with the drawer should be fullscreen add the padding for the navigationBar
    if (mDrawer != null && mDrawer.mDrawerBuilder != null && (mDrawer.mDrawerBuilder.mFullscreen || mDrawer.mDrawerBuilder.mTranslucentNavigationBar)) {
        mRecyclerView.setPadding(mRecyclerView.getPaddingLeft(), mRecyclerView.getPaddingTop(), mRecyclerView.getPaddingRight(), UIUtils.getNavigationBarHeight(ctx));
    }

    //set the adapter with the items
    createItems();

    return mContainer;
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    RecyclerView root = new RecyclerView(this);
    //Add header to a list of settings
    List<BaseSetting> settings = new ArrayList<>();
    settings.add(new HeaderSetting(getString(R.string.set_elements)));
    //Setup items for each day
    String[] elements = getResources().getStringArray(R.array.supported_widgets);
    final SharedPreferences sharedPreferences = getSharedPreferences(getPackageName()+"_settings", Context.MODE_PRIVATE);

    // Get Widgets
    String widgetsAsText = sharedPreferences.getString("widgets", null);
    String text = widgetsAsText.replaceAll("(\\[|\\]| )",""); // Replace "[", "]" and "spaces"
    List <String> widgets_list = Arrays.asList(text.split(","));

    int current = sharedPreferences.getInt("temp_widget", 0);
    String currentAsText = widgets_list.get(current);
    for(String element : elements){
        // Go to next if already a widget
        if(widgets_list.indexOf(element)>=0 && !element.equals(currentAsText) && !element.equals("none")){
            continue;
        }
        // Create the setting
        widgets_list.set(current,element);
        final String finalWidgets = widgets_list.toString();
        settings.add(new IconSetting( (element.equals(currentAsText))?getDrawable(R.drawable.check):getDrawable(R.drawable.circle_icon), prepareTitle(element), prepareSubtitle(element), new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                sharedPreferences.edit().putString("widgets", finalWidgets).apply();
                WidgetsActivity.this.finish();
            }
        }, null));
    }
    //Setup layout
    root.setBackgroundResource(R.drawable.settings_background);
    root.setLayoutManager(new LinearLayoutManager(this));
    root.setAdapter(new Adapter(this, settings));
    root.setPadding((int) getResources().getDimension(R.dimen.padding_round_small), 0, (int) getResources().getDimension(R.dimen.padding_round_small), (int) getResources().getDimension(R.dimen.padding_round_large));
    root.setClipToPadding(false);
    setContentView(root);
}
 

/**
 * Implement this method to customize the AbsListView
 */
protected void initRecyclerView(View view) {
    mRecycler = (RecyclerView) view.findViewById(android.R.id.list);
    tipView = (TextView) view.findViewById(R.id.tvTip);
    setItemAnimator(null);
    if (mRecycler != null) {
        mRecycler.setHasFixedSize(true);
        mRecycler.setClipToPadding(mClipToPadding);
        mInternalOnScrollListener = new RecyclerView.OnScrollListener() {

            @Override
            public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
                super.onScrolled(recyclerView, dx, dy);
                if (mExternalOnScrollListener != null)
                    mExternalOnScrollListener.onScrolled(recyclerView, dx, dy);

            }

            @Override
            public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
                super.onScrollStateChanged(recyclerView, newState);
                if (mExternalOnScrollListener != null)
                    mExternalOnScrollListener.onScrollStateChanged(recyclerView, newState);

            }
        };
        mRecycler.addOnScrollListener(mInternalOnScrollListener);

        if (mPadding != -1.0f) {
            mRecycler.setPadding(mPadding, mPadding, mPadding, mPadding);
        } else {
            mRecycler.setPadding(mPaddingLeft, mPaddingTop, mPaddingRight, mPaddingBottom);
        }
        if (mScrollbarStyle != -1) {
            mRecycler.setScrollBarStyle(mScrollbarStyle);
        }
        switch (mScrollbar) {
            case 0:
                setVerticalScrollBarEnabled(false);
                break;
            case 1:
                setHorizontalScrollBarEnabled(false);
                break;
            case 2:
                setVerticalScrollBarEnabled(false);
                setHorizontalScrollBarEnabled(false);
                break;
        }
    }
}
 

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    RecyclerView root = new RecyclerView(this);
    //Add header to a list of settings
    List<BaseSetting> settings = new ArrayList<>();
    settings.add(new HeaderSetting(getString(R.string.set_progress_bar)));

    //Setup items for each day
    String[] elements = getResources().getStringArray(R.array.supported_progress_elements);
    final SharedPreferences sharedPreferences = getSharedPreferences(getPackageName()+"_settings", Context.MODE_PRIVATE);

    // Get Widgets
    String widgetsAsText = sharedPreferences.getString("progress_bars", null);
    String text = widgetsAsText.replaceAll("(\\[|\\]| )",""); // Replace "[", "]" and "spaces"
    List <String> widgets_list = Arrays.asList(text.split(","));

    int current = sharedPreferences.getInt("temp_progress_bars", 0);
    String currentAsText = widgets_list.get(current);
    for(String element : elements){
        // Go to next if already a widget
        if(widgets_list.indexOf(element)>=0 && !element.equals(currentAsText) && !element.equals("none")){
            continue;
        }
        // Create the setting
        widgets_list.set(current,element);
        final String finalWidgets = widgets_list.toString();
        settings.add(new IconSetting( (element.equals(currentAsText))?getDrawable(R.drawable.check):getDrawable(R.drawable.circle_icon), prepareTitle(element), prepareSubtitle(element), new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                sharedPreferences.edit().putString("progress_bars", finalWidgets).apply();
                ProgressWidgetsActivity.this.finish();
            }
        }, null));
    }
    //Setup layout
    root.setBackgroundResource(R.drawable.settings_background);
    root.setLayoutManager(new LinearLayoutManager(this));
    root.setAdapter(new Adapter(this, settings));
    root.setPadding((int) getResources().getDimension(R.dimen.padding_round_small), 0, (int) getResources().getDimension(R.dimen.padding_round_small), (int) getResources().getDimension(R.dimen.padding_round_large));
    root.setClipToPadding(false);
    setContentView(root);
}