Example usage for android.graphics Color BLACK

Introduction

In this page you can find the example usage for android.graphics Color BLACK.

Prototype

int BLACK

To view the source code for android.graphics Color BLACK.

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Usage

From source file:Main.java

/**
 * @see android.view.Window#setStatusBarColor(int color).
 *//*from w w  w  .  jav  a 2s  .c  o  m*/
public static void setStatusBarColor(Window window, int statusBarColor) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        // If both system bars are black, we can remove these from our layout,
        // removing or shrinking the SurfaceFlinger overlay required for our views.
        if (statusBarColor == Color.BLACK && window.getNavigationBarColor() == Color.BLACK) {
            window.clearFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
        } else {
            window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
        }
        window.setStatusBarColor(statusBarColor);
    }
}

From source file:Main.java

public static int getReadableTextColor(final int backgroundColor) {
    final int greyValue = grayscaleFromRGB(backgroundColor);
    // 186 chosen rather than the seemingly obvious 128 because of gamma.
    if (greyValue < 186) {
        return Color.WHITE;
    } else {//from  w w w.  ja v a2s  .c om
        return Color.BLACK;
    }
}

From source file:Main.java

public static Bitmap roundCorner(Bitmap src, float round) {
    int width = src.getWidth();
    int height = src.getHeight();
    Bitmap result = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);

    Canvas canvas = new Canvas(result);
    canvas.drawARGB(0, 0, 0, 0);//w ww.  j  a  v  a 2  s  .  c om

    final Paint paint = new Paint();
    paint.setAntiAlias(true);
    paint.setColor(Color.BLACK);

    final Rect rect = new Rect(0, 0, width, height);
    final RectF rectF = new RectF(rect);

    canvas.drawRoundRect(rectF, round, round, paint);

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

    return result;
}

From source file:Main.java

public static Bitmap getTextImage(String text, float size, int width, int height) {
    final Bitmap bmp = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    final Paint paint = new Paint();
    final Canvas canvas = new Canvas(bmp);

    canvas.drawColor(Color.WHITE);

    paint.setColor(Color.BLACK);
    paint.setStyle(Style.FILL);//w  w w  . java2 s. co  m
    paint.setAntiAlias(true);
    paint.setTextAlign(Align.CENTER);
    paint.setTextSize(size);
    paint.setTypeface(Typeface.DEFAULT);
    canvas.drawText(text, width / 2, height / 2, paint);

    return bmp;
}

From source file:Main.java

/**
 * @param color//from   w ww. jav a2s.co  m
 * @return
 */
public static int getTextColor(int color) {
    if (luminosity(color) > 122)
        return Color.BLACK;
    else
        return Color.WHITE;

}

From source file:Main.java

protected static Bitmap creatCodeBitmap(String contents, int width, int height, Context context) {
    TextView tv = new TextView(context);
    LinearLayout.LayoutParams layoutParams = new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
            ViewGroup.LayoutParams.WRAP_CONTENT);
    tv.setLayoutParams(layoutParams);/*w w  w  . j  a  va 2s  . co  m*/
    tv.setText(contents);
    tv.setHeight(height);
    tv.setGravity(Gravity.CENTER_HORIZONTAL);
    tv.setWidth(width);
    tv.setDrawingCacheEnabled(true);
    tv.setTextColor(Color.BLACK);
    tv.measure(View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED),
            View.MeasureSpec.makeMeasureSpec(0, View.MeasureSpec.UNSPECIFIED));
    tv.layout(0, 0, tv.getMeasuredWidth(), tv.getMeasuredHeight());

    tv.buildDrawingCache();
    Bitmap bitmapCode = tv.getDrawingCache();
    return bitmapCode;
}

From source file:Main.java

public static int getColor(String colorHex) {
    if (!colorHex.startsWith("#"))
        colorHex = "#" + colorHex;
    int a;//from  ww  w. j  a v  a2s.  c om
    int r;
    int g;
    int b;
    if (colorHex.length() == 7) {
        a = 0xFF;
        r = Integer.parseInt(colorHex.substring(1, 3), 16);
        g = Integer.parseInt(colorHex.substring(3, 5), 16);
        b = Integer.parseInt(colorHex.substring(5, 7), 16);
    } else if (colorHex.length() == 9) {
        a = Integer.parseInt(colorHex.substring(1, 3), 16);
        r = Integer.parseInt(colorHex.substring(3, 5), 16);
        g = Integer.parseInt(colorHex.substring(5, 7), 16);
        b = Integer.parseInt(colorHex.substring(7, 9), 16);
    } else
        return Color.BLACK;
    int c = Color.argb(a, r, g, b);
    return c;
}

From source file:Main.java

public static Bitmap addLabelToBitmap(Bitmap src, String label) {
    float densityFactor = Resources.getSystem().getDisplayMetrics().density;
    final float textPadding = src.getWidth() * 0.05f;

    Bitmap result = Bitmap.createBitmap(src.getWidth(), src.getHeight(), Bitmap.Config.ARGB_8888);
    Canvas canvas = new Canvas(result);
    Paint textPaint = new Paint();
    textPaint.setAntiAlias(true);//  w w  w  .  j  a  v  a 2s  . c  o m
    textPaint.setTextSize(12 * densityFactor);
    textPaint.setColor(Color.WHITE);
    textPaint.setStrokeWidth(2 * densityFactor);
    textPaint.setShadowLayer(1 * densityFactor, 0, 0, Color.BLACK);

    float textWidth = textPaint.measureText(label);

    float scaleFactor = (src.getWidth() - textPadding * 2) / textWidth;

    canvas.drawBitmap(src, 0, 0, textPaint);

    canvas.save();
    canvas.scale(scaleFactor, scaleFactor);
    float textPosX = (src.getWidth() / scaleFactor - textWidth) / 2;
    float textPosY = (src.getHeight() - textPadding) / scaleFactor;

    canvas.drawText(label, textPosX, textPosY, textPaint);
    canvas.restore();
    return result;
}

From source file:Main.java

static public int getAccentColor(Context context) {
    int identifier = context.getResources().getIdentifier("colorAccent", "attr", context.getPackageName());
    if (identifier == 0 && Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        identifier = android.R.attr.colorAccent;
    }/*from   w w  w .jav  a  2 s .  c  o m*/
    if (identifier > 0) {
        TypedValue typedValue = new TypedValue();
        TypedArray a = context.obtainStyledAttributes(typedValue.data, new int[] { identifier });
        if (a != null) {
            int color = a.getColor(0, 0);
            a.recycle();
            return color;
        }
    }
    return Color.BLACK;
}

From source file:Main.java

public static int getBlackWhiteColor(int color) {
    double darkness = 1
            - (0.299 * Color.red(color) + 0.587 * Color.green(color) + 0.114 * Color.blue(color)) / 255;
    if (darkness >= 0.5) {
        return Color.WHITE;
    } else//from  ww w.j ava 2s  .  c  om
        return Color.BLACK;
}