Example usage for android.graphics Canvas drawCircle

List of usage examples for android.graphics Canvas drawCircle

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  4. android.graphics.*
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  6. drawCircle

Introduction

In this page you can find the example usage for android.graphics Canvas drawCircle.

Prototype

public void drawCircle(float cx, float cy, float radius, @NonNull Paint paint)

Source Link

Document

Draw the specified circle using the specified paint.

Usage

From source file:io.doist.datetimepicker.time.RadialTimePickerView.java

private void drawCircleBackground(Canvas canvas) {
    canvas.drawCircle(mXCenter, mYCenter, mCircleRadius[HOURS], mPaintBackground);
}

From source file:io.doist.datetimepicker.time.RadialTimePickerView.java

private void drawCenter(Canvas canvas) {
    canvas.drawCircle(mXCenter, mYCenter, CENTER_RADIUS, mPaintCenter);
}

From source file:com.android.app.MediaPlaybackActivity.java

/**
 * /*from   ww w .j  a va  2  s.com*/
 *
 * @param src
 * @return
 */
private Bitmap createCircleBitmap(Bitmap src) {
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setARGB(255, 241, 239, 229);

    int width = src.getWidth();
    int height = src.getHeight();
    Bitmap target = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(target);

    canvas.drawCircle(width / 2, width / 2, width / 2, paint);

    paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));
    canvas.drawBitmap(src, 0, 0, paint);

    return target;
}

From source file:com.dgmltn.ranger.internal.AbsRangeBar.java

/**
 * Draws the tick marks on the bar.//from  w  ww.ja  v a2s .  com
 *
 * @param canvas Canvas to draw on; should be the Canvas passed into {#link
 *               View#onDraw()}
 */
protected void drawTicks(Canvas canvas) {
    PointF tempPoint = new PointF();
    for (int i = 0; i < mTickCount; i++) {
        getPointOfIndex(i, tempPoint);
        canvas.drawCircle(tempPoint.x, tempPoint.y, mTickSize, mTickPaint);
    }
}

From source file:com.waz.zclient.views.images.CircularSeekBar.java

@Override
public void onDraw(@NonNull Canvas canvas) {
    super.onDraw(canvas);

    canvas.translate(this.getWidth() / 2f, this.getHeight() / 2f);

    canvas.drawPath(circlePath, circlePaint);
    canvas.drawPath(circleProgressPath, circleProgressGlowPaint);
    canvas.drawPath(circleProgressPath, circleProgressPaint);

    canvas.drawPath(circlePath, circleFillPaint);

    if (showPointer) {
        canvas.drawCircle(pointerPositionXY[0], pointerPositionXY[1], pointerRadius + pointerHaloWidth,
                pointerHaloPaint);//from  www  .  java2 s.c o m
        canvas.drawCircle(pointerPositionXY[0], pointerPositionXY[1], pointerRadius, pointerPaint);
        if (userIsMovingPointer) {
            canvas.drawCircle(pointerPositionXY[0], pointerPositionXY[1],
                    pointerRadius + pointerHaloWidth + (pointerHaloBorderWidth / 2f), pointerHaloBorderPaint);
        }
    }
}

From source file:de.gebatzens.sia.MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    setTheme(SIAApp.SIA_APP.school.getTheme());
    super.onCreate(savedInstanceState);
    Log.w("ggvp", "CREATE NEW MAINACTIVITY");
    //Debug.startMethodTracing("sia3");
    SIAApp.SIA_APP.activity = this;
    savedState = savedInstanceState;/*  w w w  .  ja v a 2  s. c o m*/

    final FragmentData.FragmentList fragments = SIAApp.SIA_APP.school.fragments;

    Intent intent = getIntent();
    if (intent != null && intent.getStringExtra("fragment") != null) {
        FragmentData frag = fragments
                .getByType(FragmentData.FragmentType.valueOf(intent.getStringExtra("fragment"))).get(0);
        SIAApp.SIA_APP.setFragmentIndex(fragments.indexOf(frag));
    }

    if (intent != null && intent.getBooleanExtra("reload", false)) {
        SIAApp.SIA_APP.refreshAsync(null, true, fragments.get(SIAApp.SIA_APP.getFragmentIndex()));
        intent.removeExtra("reload");
    }

    setContentView(R.layout.activity_main);

    FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
    mContent = getFragment();
    transaction.replace(R.id.content_fragment, mContent, "gg_content_fragment");
    transaction.commit();

    Log.d("ggvp", "DATA: " + fragments.get(SIAApp.SIA_APP.getFragmentIndex()).getData());
    if (fragments.get(SIAApp.SIA_APP.getFragmentIndex()).getData() == null)
        SIAApp.SIA_APP.refreshAsync(null, true, fragments.get(SIAApp.SIA_APP.getFragmentIndex()));

    if ("Summer".equals(SIAApp.SIA_APP.getCurrentThemeName())) {
        ImageView summerNavigationPalm = (ImageView) findViewById(R.id.summer_navigation_palm);
        summerNavigationPalm.setImageResource(R.drawable.summer_palm);
        ImageView summerBackgroundImage = (ImageView) findViewById(R.id.summer_background_image);
        summerBackgroundImage.setImageResource(R.drawable.summer_background);
    }

    mToolBar = (Toolbar) findViewById(R.id.toolbar);
    mToolBar.setOnMenuItemClickListener(new Toolbar.OnMenuItemClickListener() {
        @Override
        public boolean onMenuItemClick(MenuItem menuItem) {

            switch (menuItem.getItemId()) {
            case R.id.action_refresh:
                ((SwipeRefreshLayout) mContent.getView().findViewById(R.id.refresh)).setRefreshing(true);
                SIAApp.SIA_APP.refreshAsync(new Runnable() {
                    @Override
                    public void run() {
                        ((SwipeRefreshLayout) mContent.getView().findViewById(R.id.refresh))
                                .setRefreshing(false);
                    }
                }, true, fragments.get(SIAApp.SIA_APP.getFragmentIndex()));
                return true;
            case R.id.action_settings:
                Intent i = new Intent(MainActivity.this, SettingsActivity.class);
                startActivityForResult(i, 1);
                return true;
            case R.id.action_addToCalendar:
                showExamDialog();
                return true;
            case R.id.action_help:
                AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
                builder.setTitle(getApplication().getString(R.string.help));
                builder.setMessage(getApplication().getString(R.string.exam_explain));
                builder.setPositiveButton(getApplication().getString(R.string.close),
                        new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                dialog.dismiss();
                            }
                        });
                builder.create().show();
                return true;
            }

            return false;
        }
    });

    updateToolbar(SIAApp.SIA_APP.school.name, fragments.get(SIAApp.SIA_APP.getFragmentIndex()).name);

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        SIAApp.SIA_APP.setStatusBarColorTransparent(getWindow()); // because of the navigation drawer
    }

    mDrawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    mDrawerToggle = new ActionBarDrawerToggle(this, mDrawerLayout, mToolBar, R.string.drawer_open,
            R.string.drawer_close) {

        /** Called when a drawer has settled in a completely closed state. */
        public void onDrawerClosed(View view) {
            super.onDrawerClosed(view);
            invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
        }

        /** Called when a drawer has settled in a completely open state. */
        public void onDrawerOpened(View drawerView) {
            super.onDrawerOpened(drawerView);
            invalidateOptionsMenu(); // creates call to onPrepareOptionsMenu()
        }
    };
    mDrawerLayout.addDrawerListener(mDrawerToggle);
    navigationView = (NavigationView) findViewById(R.id.navigation_view);
    mNavigationHeader = navigationView.getHeaderView(0);
    mNavigationSchoolpictureText = (TextView) mNavigationHeader.findViewById(R.id.drawer_image_text);
    mNavigationSchoolpictureText.setText(SIAApp.SIA_APP.school.name);
    mNavigationSchoolpicture = (ImageView) mNavigationHeader.findViewById(R.id.navigation_schoolpicture);
    mNavigationSchoolpicture.setImageBitmap(SIAApp.SIA_APP.school.loadImage());
    mNavigationSchoolpictureLink = mNavigationHeader.findViewById(R.id.navigation_schoolpicture_link);
    mNavigationSchoolpictureLink.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View viewIn) {
            mDrawerLayout.closeDrawers();
            Intent linkIntent = new Intent(Intent.ACTION_VIEW);
            linkIntent.setData(Uri.parse(SIAApp.SIA_APP.school.website));
            startActivity(linkIntent);
        }
    });

    final Menu menu = navigationView.getMenu();
    menu.clear();
    for (int i = 0; i < fragments.size(); i++) {
        MenuItem item = menu.add(R.id.fragments, Menu.NONE, i, fragments.get(i).name);
        item.setIcon(fragments.get(i).getIconRes());
    }

    menu.add(R.id.settings, R.id.settings_item, fragments.size(), R.string.settings);
    menu.setGroupCheckable(R.id.fragments, true, true);
    menu.setGroupCheckable(R.id.settings, false, false);

    final Menu navMenu = navigationView.getMenu();
    selectedItem = SIAApp.SIA_APP.getFragmentIndex();
    if (selectedItem != -1)
        navMenu.getItem(selectedItem).setChecked(true);

    navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() {
        @Override
        public boolean onNavigationItemSelected(MenuItem menuItem) {
            if (menuItem.getItemId() == R.id.settings_item) {
                mDrawerLayout.closeDrawers();
                Intent i = new Intent(MainActivity.this, SettingsActivity.class);
                startActivityForResult(i, 1);
            } else {
                final int index = menuItem.getOrder();
                if (SIAApp.SIA_APP.getFragmentIndex() != index) {
                    SIAApp.SIA_APP.setFragmentIndex(index);
                    menuItem.setChecked(true);
                    updateToolbar(SIAApp.SIA_APP.school.name, menuItem.getTitle().toString());
                    mContent = getFragment();
                    Animation fadeOut = AnimationUtils.loadAnimation(getApplicationContext(), R.anim.fade_out);
                    fadeOut.setAnimationListener(new Animation.AnimationListener() {

                        @Override
                        public void onAnimationStart(Animation animation) {

                        }

                        @Override
                        public void onAnimationEnd(Animation animation) {
                            FrameLayout contentFrame = (FrameLayout) findViewById(R.id.content_fragment);
                            contentFrame.setVisibility(View.INVISIBLE);
                            if (fragments.get(index).getData() == null)
                                SIAApp.SIA_APP.refreshAsync(null, true, fragments.get(index));

                            //removeAllFragments();

                            FragmentTransaction transaction = getSupportFragmentManager().beginTransaction();
                            transaction.replace(R.id.content_fragment, mContent, "gg_content_fragment");
                            transaction.commit();

                            snowView.updateSnow();
                        }

                        @Override
                        public void onAnimationRepeat(Animation animation) {

                        }
                    });
                    FrameLayout contentFrame = (FrameLayout) findViewById(R.id.content_fragment);
                    contentFrame.startAnimation(fadeOut);
                    mDrawerLayout.closeDrawers();
                } else {
                    mDrawerLayout.closeDrawers();
                }
            }
            return true;
        }
    });

    if (Build.VERSION.SDK_INT >= 25) {
        ShortcutManager shortcutManager = getSystemService(ShortcutManager.class);
        shortcutManager.removeAllDynamicShortcuts();

        for (int i = 0; i < fragments.size(); i++) {
            Drawable drawable = getDrawable(fragments.get(i).getIconRes());
            Bitmap icon;
            if (drawable instanceof VectorDrawable) {
                icon = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(),
                        Bitmap.Config.ARGB_8888);
                Canvas canvas = new Canvas(icon);
                drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
                drawable.draw(canvas);
            } else {
                icon = BitmapFactory.decodeResource(getResources(), fragments.get(i).getIconRes());
            }

            Bitmap connectedIcon = Bitmap.createBitmap(icon.getWidth(), icon.getHeight(),
                    Bitmap.Config.ARGB_8888);
            Canvas canvas = new Canvas(connectedIcon);
            Paint paint = new Paint();
            paint.setAntiAlias(true);
            paint.setColor(Color.parseColor("#f5f5f5"));
            canvas.drawCircle(icon.getWidth() / 2, icon.getHeight() / 2, icon.getWidth() / 2, paint);
            paint.setColorFilter(
                    new PorterDuffColorFilter(SIAApp.SIA_APP.school.getColor(), PorterDuff.Mode.SRC_ATOP));
            canvas.drawBitmap(icon, null, new RectF(icon.getHeight() / 4.0f, icon.getHeight() / 4.0f,
                    icon.getHeight() - icon.getHeight() / 4.0f, icon.getHeight() - icon.getHeight() / 4.0f),
                    paint);

            Intent newTaskIntent = new Intent(this, MainActivity.class);
            newTaskIntent.setAction(Intent.ACTION_MAIN);
            newTaskIntent.putExtra("fragment", fragments.get(i).type.toString());

            ShortcutInfo shortcut = new ShortcutInfo.Builder(this, fragments.get(i).name)
                    .setShortLabel(fragments.get(i).name).setLongLabel(fragments.get(i).name)
                    .setIcon(Icon.createWithBitmap(connectedIcon)).setIntent(newTaskIntent).build();

            shortcutManager.addDynamicShortcuts(Arrays.asList(shortcut));
        }
    }

    if (SIAApp.SIA_APP.preferences.getBoolean("app_130_upgrade", true)) {
        if (!SIAApp.SIA_APP.preferences.getBoolean("first_use_filter", true)) {
            TextDialog.newInstance(R.string.upgrade1_3title, R.string.upgrade1_3)
                    .show(getSupportFragmentManager(), "upgrade_dialog");
        }

        SIAApp.SIA_APP.preferences.edit().putBoolean("app_130_upgrade", false).apply();
    }

    snowView = (SnowView) findViewById(R.id.snow_view);

    shareToolbar = (Toolbar) findViewById(R.id.share_toolbar);
    shareToolbar.getMenu().clear();
    shareToolbar.inflateMenu(R.menu.share_toolbar_menu);
    shareToolbar.setNavigationOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            toggleShareToolbar(false);
            for (Shareable s : MainActivity.this.shared) {
                s.setMarked(false);
            }
            MainActivity.this.shared.clear();

            mContent.updateFragment();
        }
    });

    shareToolbar.setOnMenuItemClickListener(new Toolbar.OnMenuItemClickListener() {
        @Override
        public boolean onMenuItemClick(MenuItem item) {
            toggleShareToolbar(false);

            HashMap<Date, ArrayList<Shareable>> dates = new HashMap<Date, ArrayList<Shareable>>();

            for (Shareable s : MainActivity.this.shared) {
                ArrayList<Shareable> list = dates.get(s.getDate());
                if (list == null) {
                    list = new ArrayList<Shareable>();
                    dates.put(s.getDate(), list);
                }

                list.add(s);

                s.setMarked(false);
            }
            MainActivity.this.shared.clear();

            List<Date> dateList = new ArrayList<Date>(dates.keySet());
            Collections.sort(dateList);
            String content = "";

            for (Date key : dateList) {
                content += SubstListAdapter.translateDay(key) + "\n\n";

                Collections.sort(dates.get(key));
                for (Shareable s : dates.get(key)) {
                    content += s.getShareContent() + "\n";
                }

                content += "\n";
            }

            content = content.substring(0, content.length() - 1);

            mContent.updateFragment();

            if (item.getItemId() == R.id.action_copy) {
                ClipboardManager clipboard = (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);

                ClipData clip = ClipData.newPlainText(getString(R.string.entries), content);
                clipboard.setPrimaryClip(clip);
            } else if (item.getItemId() == R.id.action_share) {
                Intent sendIntent = new Intent();
                sendIntent.setAction(Intent.ACTION_SEND);
                sendIntent.putExtra(Intent.EXTRA_TEXT, content);
                sendIntent.setType("text/plain");
                startActivity(Intent.createChooser(sendIntent, getResources().getText(R.string.send_to)));
            }

            return true;
        }
    });

    if (shared.size() > 0) {
        shareToolbar.setVisibility(View.VISIBLE);
        updateShareToolbarText();
    }

    // if a fragment is opened via a notification or a shortcut reset the shared entries
    // delete extra fragment because the same intent is used when the device gets rotated and the user could have opened a new fragment
    if (intent != null && intent.hasExtra("fragment")) {
        resetShareToolbar();
        intent.removeExtra("fragment");
    }

}

From source file:com.joy.ui.view.banner.indicator.CircleIndicator.java

@Override
protected void onDraw(Canvas canvas) {
    if (mViewPager == null) {
        return;// w w  w . j  a v  a2 s.  c  o  m
    }
    final int count = mIndicatorCount;
    if (count == 0) {
        return;
    }
    if (mCurrentPage >= count) {
        setCurrentItem(count - 1);
        return;
    }

    int longSize = getWidth();
    int longPaddingBefore = getPaddingLeft();
    int longPaddingAfter = getPaddingRight();
    int shortPaddingBefore = getPaddingTop();

    final float threeRadius = mRadius * 3;
    final float shortOffset = shortPaddingBefore + mRadius;
    float longOffset = longPaddingBefore + mRadius;

    float dX;
    float dY;

    float pageFillRadius = mRadius;
    if (mPaintStroke.getStrokeWidth() > 0) {
        pageFillRadius -= mPaintStroke.getStrokeWidth() / 2.0f;
    }
    // Draw stroked circles
    for (int iLoop = 0; iLoop < count; iLoop++) {
        float drawLong = longOffset + (iLoop * threeRadius);
        dX = drawLong;
        dY = shortOffset;
        // Only paint fill if not completely transparent
        if (mPaintPageFill.getAlpha() > 0) {
            canvas.drawCircle(dX, dY, pageFillRadius, mPaintPageFill);
        }
        // Only paint stroke if a stroke width was non-zero
        if (pageFillRadius != mRadius) {
            canvas.drawCircle(dX, dY, mRadius, mPaintStroke);
        }
    }
    // Draw the filled circle according to the current scroll
    float cx = (mSnap ? mSnapPage : mCurrentPage) * threeRadius;
    if (!mSnap) {
        cx += mPageOffset * threeRadius;
    }
    dX = longOffset + cx;
    dY = shortOffset;
    canvas.drawCircle(dX, dY, mRadius, mPaintFill);
}

From source file:com.android.nobug.view.pattern.PatternView.java

/**
 * @param partOfPattern Whether this circle is part of the pattern.
 *///from  ww  w  . j av  a2 s  .co m
private void drawCircle(Canvas canvas, float centerX, float centerY, float radius, boolean partOfPattern,
        float alpha) {
    mPaint.setColor(getCurrentColor(partOfPattern));
    mPaint.setAlpha((int) (alpha * 255));
    canvas.drawCircle(centerX, centerY, radius, mPaint);
}

From source file:com.android.launcher3.Utilities.java

public static Bitmap getNotificationBadgeIcon(Context context, Bitmap appIcon, int number) {
    Paint paint;/*from   w ww  . j a v  a2 s . c  o  m*/
    Paint circlePaint;
    String text = "" + String.valueOf(number);
    Bitmap canvasBitmap = Bitmap.createBitmap(appIcon.getWidth(), appIcon.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(canvasBitmap);
    paint = new Paint();
    circlePaint = new Paint();

    paint.setColor(Color.WHITE);
    paint.setTextSize(45);
    paint.setAntiAlias(true);
    paint.setTextAlign(Paint.Align.CENTER);

    Rect bounds = new Rect();
    paint.getTextBounds(text, 0, text.length(), bounds);

    circlePaint.setColor(ContextCompat.getColor(context, R.color.colorPrimary));
    circlePaint.setAntiAlias(true);

    canvas.drawCircle(appIcon.getWidth() / 4, appIcon.getHeight() / 4, 45, circlePaint);
    canvas.drawText(text, appIcon.getWidth() / 4, appIcon.getHeight() / 3, paint);

    return overlay(appIcon, canvasBitmap);
}

From source file:com.gm.common.ui.widget.pageindicator.PageIndicatorView.java

private void drawWithDropAnimation(@NonNull Canvas canvas, int x, int y) {
    fillPaint.setColor(unselectedColor);
    canvas.drawCircle(x, y, radiusPx, fillPaint);

    fillPaint.setColor(selectedColor);//from w  w w .j  ava  2  s  .  co m
    canvas.drawCircle(frameSlideFrom, frameY, frameRadiusPx, fillPaint);
}