Example usage for android.view View draw

Introduction

In this page you can find the example usage for android.view View draw.

Prototype

@CallSuper
public void draw(Canvas canvas) 

Source Link

Document

Manually render this view (and all of its children) to the given Canvas.

Usage

From source file:cn.lanmei.com.dingdong_2.ItemDecoration.StickyHeaderDecoration.java

/**
 * {@inheritDoc}//from  w  ww . ja va  2  s .  co m
 */
@Override
public void onDrawOver(Canvas c, RecyclerView parent, RecyclerView.State state) {
    //        final int count = parent.getChildCount();
    LRecyclerViewAdapter adapter = (LRecyclerViewAdapter) parent.getAdapter();
    RecyclerView.Adapter ra = adapter.getInnerAdapter();
    final int count = ra.getItemCount();

    for (int layoutPos = 0; layoutPos < count; layoutPos++) {
        final View child = parent.getChildAt(layoutPos);

        final int adapterPos = parent.getChildAdapterPosition(child);

        //            L.MyLog("sticky","onDrawOver:"+adapterPos+"getItemCount"+count);
        if (adapterPos != RecyclerView.NO_POSITION && (layoutPos == 0 || hasHeader(adapterPos))) {

            View header = getHeader(parent, adapterPos).itemView;
            c.save();
            final int left = child.getLeft();
            final int top = getHeaderTop(parent, child, header, adapterPos, layoutPos);
            c.translate(left, top);
            header.setTranslationX(left);
            header.setTranslationY(top);
            header.draw(c);
            c.restore();
        }
    }
}

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From source file:com.harmazing.aixiumama.activity.ActivityGallery.java

private Bitmap GetandSaveCurrentImage() {
    //Bitmap/*from w  w w .  j a  v  a 2s.  c  o  m*/
    WindowManager windowManager = getWindowManager();
    Display display = windowManager.getDefaultDisplay();
    int w = display.getWidth();
    int h = display.getHeight();
    Bitmap Bmp = Bitmap.createBitmap(w, h, Bitmap.Config.RGB_565);
    //??
    View decorview = this.getWindow().getDecorView();
    //        decorview.setDrawingCacheEnabled(true);
    //        decorview.buildDrawingCache();
    //        Bmp = decorview.getDrawingCache();
    Canvas c = new Canvas(Bmp);
    decorview.draw(c);
    // 
    Bmp = Bitmap.createBitmap(Bmp, 0, BitmapUtil.dip2px(getApplicationContext(), 50) + getTopViewHeight(), w,
            CuteApplication.getScreenHW(getApplicationContext())[0]
                    - BitmapUtil.dip2px(getApplicationContext(), 10));

    decorview.destroyDrawingCache();
    decorview.setDrawingCacheEnabled(false);
    return Bmp;
}

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From source file:com.chartiq.chartiqsample.ui.StickyHeaderDecoration.java

/**
 * {@inheritDoc}// w  ww  .ja va2 s. c o  m
 */
@Override
public void onDrawOver(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    final int count = parent.getChildCount();
    long previousHeaderId = -1;

    for (int layoutPos = 0; layoutPos < count; layoutPos++) {
        final View child = parent.getChildAt(layoutPos);
        final int adapterPos = parent.getChildAdapterPosition(child);
        if (child.getVisibility() == View.GONE) {
            continue;
        }

        if (adapterPos != RecyclerView.NO_POSITION && hasHeader(adapterPos)) {
            long headerId = mAdapter.getHeaderId(adapterPos);

            if (headerId != previousHeaderId) {
                previousHeaderId = headerId;
                View header = getHeader(parent, adapterPos).itemView;
                canvas.save();

                final int left = child.getLeft();
                final int top = getHeaderTop(parent, child, header, adapterPos, layoutPos);
                canvas.translate(left, top);

                header.setTranslationX(left);
                header.setTranslationY(top);
                header.draw(canvas);
                canvas.restore();
            }
        }
    }
}

---

From source file:ca.barrenechea.widget.recyclerview.decoration.StickyHeaderDecoration.java

/**
 * {@inheritDoc}//from  w  w  w  .j a v  a 2 s . c o  m
 */
@Override
public void onDrawOver(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    final int count = parent.getChildCount();
    long previousHeaderId = -1;

    for (int layoutPos = 0; layoutPos < count; layoutPos++) {
        final View child = parent.getChildAt(layoutPos);
        final int adapterPos = parent.getChildAdapterPosition(child);

        if (adapterPos != RecyclerView.NO_POSITION && hasHeader(adapterPos)) {
            long headerId = mAdapter.getHeaderId(adapterPos);

            if (headerId != previousHeaderId) {
                previousHeaderId = headerId;
                View header = getHeader(parent, adapterPos).itemView;
                canvas.save();

                final int left = child.getLeft();
                final int top = getHeaderTop(parent, child, header, adapterPos, layoutPos);
                canvas.translate(left, top);

                header.setTranslationX(left);
                header.setTranslationY(top);
                header.draw(canvas);
                canvas.restore();
            }
        }
    }
}

---

From source file:com.dat.complexrecyclerviewdemo.recyclerviewinsidecardviewdemo.StickyHeaderDecoration.java

/**
 * {@inheritDoc}/*w  ww.  j a va 2s. c  o m*/
 */
@Override
public void onDrawOver(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    final int count = parent.getChildCount();
    long previousHeaderId = -1;

    for (int layoutPos = 0; layoutPos < count; layoutPos++) {
        final View child = parent.getChildAt(layoutPos);
        final int adapterPos = parent.getChildAdapterPosition(child);

        if (adapterPos != RecyclerView.NO_POSITION && hasHeader(adapterPos)) {
            long headerId = mAdapter.getHeaderId(adapterPos);

            if (headerId != previousHeaderId) {
                previousHeaderId = headerId;
                View header = getHeader(parent, adapterPos).itemView;
                canvas.save();

                final int left = child.getLeft();
                final int top = getHeaderTop(parent, child, header, adapterPos, layoutPos);
                canvas.translate(left, top - 4);
                header.setTranslationX(left);
                header.setTranslationY(top);
                header.draw(canvas);
                canvas.restore();
            }
        }
    }
}

---

From source file:com.fada21.android.hydralist.expandable.ExpandingListViewDelegate.java

/**
 * By overriding dispatchDraw, we can draw the cells that disappear during the expansion process. When the cell expands, some items below or above the
 * expanding cell may be moved off screen and are thus no longer children of the ListView's layout. By storing a reference to these views prior to the
 * layout, and guaranteeing that these cells do not get recycled, the cells can be drawn directly onto the canvas during the animation process. After the
 * animation completes, the references to the extra views can then be discarded.
 *///  w  w w  .j  a va 2 s. co m
public void dispatchDraw(Canvas canvas) {
    if (mViewsToDraw.size() == 0) {
        return;
    }

    for (View v : mViewsToDraw) {
        canvas.translate(0, v.getTop());
        v.draw(canvas);
        canvas.translate(0, -v.getTop());
    }
}

---

From source file:org.rm3l.ddwrt.tiles.status.wireless.WirelessIfaceQrCodeActivity.java

@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.tile_wireless_iface_qr_code_options, menu);

    this.optionsMenu = menu;

    /* Getting the actionprovider associated with the menu item whose id is share */
    final MenuItem shareMenuItem = menu.findItem(R.id.tile_status_wireless_iface_qrcode_share);
    shareMenuItem.setEnabled(mException == null);

    mShareActionProvider = (ShareActionProvider) shareMenuItem.getActionProvider();

    final View viewToShare = findViewById(R.id.tile_status_wireless_iface_qrcode_view_to_share);
    //Construct Bitmap and share it
    final Bitmap bitmapToExport = Bitmap.createBitmap(viewToShare.getWidth(), viewToShare.getHeight(),
            Bitmap.Config.ARGB_8888);//from  w ww. jav a 2s .  c  o m
    final Canvas canvas = new Canvas(bitmapToExport);
    viewToShare.draw(canvas);

    mFileToShare = new File(getCacheDir(), String.format("QR-Code_for_Wireless_Network__%s__on_router_%s.png",
            nullToEmpty(mSsid), nullToEmpty(mRouterUuid)));
    OutputStream outputStream = null;
    try {
        outputStream = new BufferedOutputStream(new FileOutputStream(mFileToShare, false));
        bitmapToExport.compress(Bitmap.CompressFormat.PNG, COMPRESSION_QUALITY, outputStream);
        outputStream.flush();
    } catch (IOException e) {
        e.printStackTrace();
        Crouton.makeText(this, getString(R.string.internal_error_please_try_again), Style.ALERT).show();
    } finally {
        try {
            if (outputStream != null) {
                outputStream.close();
            }
        } catch (IOException e) {
            e.printStackTrace();
            //No Worries
        }
    }

    setShareFile(mFileToShare);

    return super.onCreateOptionsMenu(menu);
}

---

From source file:com.example.mylibrary.utils.decoration.StickyHeaderDecoration.java

/**
 * {@inheritDoc}//w w w  .  java  2s . co m
 */
@Override
public void onDrawOver(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    final int count = parent.getChildCount();
    long previousHeaderId = -1;

    for (int layoutPos = 0; layoutPos < count; layoutPos++) {
        final View child = parent.getChildAt(layoutPos);
        int adapterPos = parent.getChildAdapterPosition(child);

        if (!mIncludeHeader) {
            if (parent.getAdapter() instanceof RecyclerArrayAdapter) {
                int headerCount = ((RecyclerArrayAdapter) parent.getAdapter()).getHeaderCount();
                int footerCount = ((RecyclerArrayAdapter) parent.getAdapter()).getFooterCount();
                int dataCount = ((RecyclerArrayAdapter) parent.getAdapter()).getCount();
                if (adapterPos < headerCount) {
                    continue;
                }
                if (adapterPos >= headerCount + dataCount) {
                    continue;
                }
                if (adapterPos >= headerCount) {
                    adapterPos -= headerCount;
                }

            }
        }

        if (adapterPos != RecyclerView.NO_POSITION && hasHeader(adapterPos)) {
            long headerId = mAdapter.getHeaderId(adapterPos);

            if (headerId != previousHeaderId) {
                previousHeaderId = headerId;
                View header = getHeader(parent, adapterPos).itemView;
                canvas.save();

                final int left = child.getLeft();
                final int top = getHeaderTop(parent, child, header, adapterPos, layoutPos);
                canvas.translate(left, top);

                header.setTranslationX(left);
                header.setTranslationY(top);
                header.draw(canvas);
                canvas.restore();
            }
        }
    }
}

---

From source file:com.jude.easyrecyclerview.decoration.StickyHeaderDecoration.java

/**
 * {@inheritDoc}// w  ww .jav  a  2s. com
 */
@Override
public void onDrawOver(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    if (parent.getAdapter() == null) {
        return;
    }

    final int count = parent.getChildCount();
    long previousHeaderId = -1;

    for (int layoutPos = 0; layoutPos < count; layoutPos++) {
        final View child = parent.getChildAt(layoutPos);
        int adapterPos = parent.getChildAdapterPosition(child);

        if (!mIncludeHeader) {
            if (parent.getAdapter() instanceof RecyclerArrayAdapter) {
                int headerCount = ((RecyclerArrayAdapter) parent.getAdapter()).getHeaderCount();
                int footerCount = ((RecyclerArrayAdapter) parent.getAdapter()).getFooterCount();
                int dataCount = ((RecyclerArrayAdapter) parent.getAdapter()).getCount();
                if (adapterPos < headerCount) {
                    continue;
                }
                if (adapterPos >= headerCount + dataCount) {
                    continue;
                }
                if (adapterPos >= headerCount) {
                    adapterPos -= headerCount;
                }

            }
        }

        if (adapterPos != RecyclerView.NO_POSITION && hasHeader(adapterPos)) {
            long headerId = mAdapter.getHeaderId(adapterPos);

            if (headerId != previousHeaderId) {
                previousHeaderId = headerId;
                View header = getHeader(parent, adapterPos).itemView;
                canvas.save();

                final int left = child.getLeft();
                final int top = getHeaderTop(parent, child, header, adapterPos, layoutPos);
                canvas.translate(left, top);

                header.setTranslationX(left);
                header.setTranslationY(top);
                header.draw(canvas);
                canvas.restore();
            }
        }
    }
}

---

From source file:com.sanjie.zy.adpter.decoration.StickyHeaderDecoration.java

/**
 * {@inheritDoc}//from  w ww  .j a v a2 s  . c  o  m
 */
@Override
public void onDrawOver(Canvas canvas, RecyclerView parent, RecyclerView.State state) {
    if (parent.getAdapter() == null) {
        return;
    }

    final int count = parent.getChildCount();
    long previousHeaderId = -1;

    for (int layoutPos = 0; layoutPos < count; layoutPos++) {
        final View child = parent.getChildAt(layoutPos);
        int adapterPos = parent.getChildAdapterPosition(child);

        if (!mIncludeHeader) {
            if (parent.getAdapter() instanceof ZYRecyclerViewAdapter) {
                int headerCount = ((ZYRecyclerViewAdapter) parent.getAdapter()).getHeaderCount();
                int footerCount = ((ZYRecyclerViewAdapter) parent.getAdapter()).getFooterCount();
                int dataCount = ((ZYRecyclerViewAdapter) parent.getAdapter()).getDataCount();
                if (adapterPos < headerCount) {
                    continue;
                }
                if (adapterPos >= headerCount + dataCount) {
                    continue;
                }
                if (adapterPos >= headerCount) {
                    adapterPos -= headerCount;
                }

            }
        }

        if (adapterPos != RecyclerView.NO_POSITION && hasHeader(adapterPos)) {
            long headerId = mAdapter.getHeaderId(adapterPos);

            if (headerId != previousHeaderId) {
                previousHeaderId = headerId;
                View header = getHeader(parent, adapterPos).itemView;
                canvas.save();

                final int left = child.getLeft();
                final int top = getHeaderTop(parent, child, header, adapterPos, layoutPos);
                canvas.translate(left, top);

                header.setTranslationX(left);
                header.setTranslationY(top);
                header.draw(canvas);
                canvas.restore();
            }
        }
    }
}

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