Example usage for android.view Gravity START

Introduction

In this page you can find the example usage for android.view Gravity START.

Prototype

int START

To view the source code for android.view Gravity START.

Click Source Link

Document

Push object to x-axis position at the start of its container, not changing its size.

Usage

From source file:Main.java

static void preDraw(TextView view, Canvas canvas) {
    Drawable[] drawables = view.getCompoundDrawables();
    if (drawables[0] != null) {
        view.setGravity(Gravity.CENTER_VERTICAL | Gravity.START);
        onCenterDraw(view, canvas, drawables[0], Gravity.START);
    } else if (drawables[1] != null) {
        view.setGravity(Gravity.CENTER_HORIZONTAL | Gravity.TOP);
        onCenterDraw(view, canvas, drawables[1], Gravity.TOP);
    } else if (drawables[2] != null) {
        view.setGravity(Gravity.CENTER_VERTICAL | Gravity.END);
        onCenterDraw(view, canvas, drawables[2], Gravity.END);
    } else if (drawables[3] != null) {
        view.setGravity(Gravity.CENTER_HORIZONTAL | Gravity.BOTTOM);
        onCenterDraw(view, canvas, drawables[3], Gravity.BOTTOM);
    }/*  w  w w  .  j  a  va  2 s. c  om*/
}

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From source file:Main.java

private static void onCenterDraw(TextView view, Canvas canvas, Drawable drawable, int gravity) {
    int drawablePadding = view.getCompoundDrawablePadding();
    int ratio = 1;
    float total;//  ww  w .  j  a v a  2  s  . co m

    switch (gravity) {
    case Gravity.END:
        ratio = -1;
    case Gravity.START:
        total = view.getPaint().measureText(view.getText().toString()) + drawable.getIntrinsicWidth()
                + drawablePadding + view.getPaddingLeft() + view.getPaddingRight();
        canvas.translate(ratio * (view.getWidth() - total) / 2, 0);
        break;
    case Gravity.BOTTOM:
        ratio = -1;
    case Gravity.TOP:
        Paint.FontMetrics fontMetrics = view.getPaint().getFontMetrics();
        total = fontMetrics.descent - fontMetrics.ascent + drawable.getIntrinsicHeight() + drawablePadding
                + view.getPaddingTop() + view.getPaddingBottom();
        canvas.translate(0, ratio * (view.getHeight() - total) / 2);
        break;
    }
}

---

From source file:Main.java

@TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1)
public static Layout.Alignment getLayoutAlignment(TextView textView) {
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
        return Layout.Alignment.ALIGN_NORMAL;
    }/* www .ja v a  2  s .co m*/

    Layout.Alignment alignment;
    switch (textView.getTextAlignment()) {
    case TextView.TEXT_ALIGNMENT_GRAVITY:
        switch (textView.getGravity() & Gravity.RELATIVE_HORIZONTAL_GRAVITY_MASK) {
        case Gravity.START:
            alignment = Layout.Alignment.ALIGN_NORMAL;
            break;
        case Gravity.END:
            alignment = Layout.Alignment.ALIGN_OPPOSITE;
            break;
        case Gravity.LEFT:
            alignment = (textView.getLayoutDirection() == TextView.LAYOUT_DIRECTION_RTL)
                    ? Layout.Alignment.ALIGN_OPPOSITE
                    : Layout.Alignment.ALIGN_NORMAL;
            break;
        case Gravity.RIGHT:
            alignment = (textView.getLayoutDirection() == TextView.LAYOUT_DIRECTION_RTL)
                    ? Layout.Alignment.ALIGN_NORMAL
                    : Layout.Alignment.ALIGN_OPPOSITE;
            break;
        case Gravity.CENTER_HORIZONTAL:
            alignment = Layout.Alignment.ALIGN_CENTER;
            break;
        default:
            alignment = Layout.Alignment.ALIGN_NORMAL;
            break;
        }
        break;
    case TextView.TEXT_ALIGNMENT_TEXT_START:
        alignment = Layout.Alignment.ALIGN_NORMAL;
        break;
    case TextView.TEXT_ALIGNMENT_TEXT_END:
        alignment = Layout.Alignment.ALIGN_OPPOSITE;
        break;
    case TextView.TEXT_ALIGNMENT_CENTER:
        alignment = Layout.Alignment.ALIGN_CENTER;
        break;
    case TextView.TEXT_ALIGNMENT_VIEW_START:
        alignment = Layout.Alignment.ALIGN_NORMAL;
        break;
    case TextView.TEXT_ALIGNMENT_VIEW_END:
        alignment = Layout.Alignment.ALIGN_OPPOSITE;
        break;
    case TextView.TEXT_ALIGNMENT_INHERIT:
        //
    default:
        alignment = Layout.Alignment.ALIGN_NORMAL;
        break;
    }
    return alignment;
}

---

From source file:com.ayuget.redface.ui.misc.ToolbarHelper.java

/**
 * Adds a drawer toggle (hamburger icon) to the toolbar
 *//*from ww w. j  av  a 2 s . c o m*/
public static void addDrowerToggle(BaseActivity activity, Toolbar toolbar) {
    DrawerLayout drawerLayout = activity.getDrawerLayout();
    ActionBarDrawerToggle drawerToggle = new ActionBarDrawerToggle(activity, drawerLayout, toolbar,
            R.string.drawer_open, R.string.drawer_close);
    drawerToggle.setDrawerIndicatorEnabled(true);

    drawerLayout.setDrawerListener(drawerToggle);
    drawerLayout.setDrawerShadow(R.drawable.drawer_shadow, Gravity.START);
}

---

From source file:Main.java

/**
 * Creates an approximated cubic gradient using a multi-stop linear gradient. See
 * <a href="https://plus.google.com/+RomanNurik/posts/2QvHVFWrHZf">this post</a> for more
 * details./*w w w .ja v  a  2 s. c  om*/
 */
public static Drawable makeCubicGradientScrimDrawable(int baseColor, int numStops, int gravity) {
    numStops = Math.max(numStops, 2);

    PaintDrawable paintDrawable = new PaintDrawable();
    paintDrawable.setShape(new RectShape());

    final int[] stopColors = new int[numStops];

    int red = Color.red(baseColor);
    int green = Color.green(baseColor);
    int blue = Color.blue(baseColor);
    int alpha = Color.alpha(baseColor);

    for (int i = 0; i < numStops; i++) {
        float x = i * 1f / (numStops - 1);
        float opacity = constrain(0, 1, (float) Math.pow(x, 3));
        stopColors[i] = Color.argb((int) (alpha * opacity), red, green, blue);
    }

    final float x0, x1, y0, y1;
    switch (gravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case Gravity.START:
        x0 = 1;
        x1 = 0;
        break;
    case Gravity.END:
        x0 = 0;
        x1 = 1;
        break;
    default:
        x0 = 0;
        x1 = 0;
        break;
    }
    switch (gravity & Gravity.VERTICAL_GRAVITY_MASK) {
    case Gravity.TOP:
        y0 = 1;
        y1 = 0;
        break;
    case Gravity.BOTTOM:
        y0 = 0;
        y1 = 1;
        break;
    default:
        y0 = 0;
        y1 = 0;
        break;
    }

    paintDrawable.setShaderFactory(new ShapeDrawable.ShaderFactory() {
        @Override
        public Shader resize(int width, int height) {
            return new LinearGradient(width * x0, height * y0, width * x1, height * y1, stopColors, null,
                    Shader.TileMode.CLAMP);
        }
    });

    return paintDrawable;
}

---

From source file:Main.java

/**
 * Creates an approximated cubic gradient using a multi-stop linear gradient. See
 * <a href="https://plus.google.com/+RomanNurik/posts/2QvHVFWrHZf">this post</a> for more
 * details./*from  ww w .java 2 s .  c  o  m*/
 */
public static Drawable makeCubicGradientScrimDrawable(int baseColor, int numStops, int gravity) {

    // Generate a cache key by hashing together the inputs, based on the method described in the Effective Java book
    int cacheKeyHash = baseColor;
    cacheKeyHash = 31 * cacheKeyHash + numStops;
    cacheKeyHash = 31 * cacheKeyHash + gravity;

    Drawable cachedGradient = cubicGradientScrimCache.get(cacheKeyHash);
    if (cachedGradient != null) {
        return cachedGradient;
    }

    numStops = Math.max(numStops, 2);

    PaintDrawable paintDrawable = new PaintDrawable();
    paintDrawable.setShape(new RectShape());

    final int[] stopColors = new int[numStops];

    int red = Color.red(baseColor);
    int green = Color.green(baseColor);
    int blue = Color.blue(baseColor);
    int alpha = Color.alpha(baseColor);

    for (int i = 0; i < numStops; i++) {
        float x = i * 1f / (numStops - 1);
        float opacity = Math.max(0, Math.min(1, (float) Math.pow(x, 3)));
        stopColors[i] = Color.argb((int) (alpha * opacity), red, green, blue);
    }

    final float x0, x1, y0, y1;
    switch (gravity & Gravity.HORIZONTAL_GRAVITY_MASK) {
    case Gravity.START:
        x0 = 1;
        x1 = 0;
        break;
    case Gravity.END:
        x0 = 0;
        x1 = 1;
        break;
    default:
        x0 = 0;
        x1 = 0;
        break;
    }
    switch (gravity & Gravity.VERTICAL_GRAVITY_MASK) {
    case Gravity.TOP:
        y0 = 1;
        y1 = 0;
        break;
    case Gravity.BOTTOM:
        y0 = 0;
        y1 = 1;
        break;
    default:
        y0 = 0;
        y1 = 0;
        break;
    }

    paintDrawable.setShaderFactory(new ShapeDrawable.ShaderFactory() {
        @Override
        public Shader resize(int width, int height) {
            return new LinearGradient(width * x0, height * y0, width * x1, height * y1, stopColors, null,
                    Shader.TileMode.CLAMP);
        }
    });

    cubicGradientScrimCache.put(cacheKeyHash, paintDrawable);
    return paintDrawable;
}

---

From source file:org.borderstone.tagtags.convenience.widgets.BButton.java

public BButton(Context context) {
    super(context);

    super.setTextSize(Constants.fontSize);
    this.setTextColor(Color.BLACK);

    this.setBackgroundResource(R.drawable.custom_button);
    if (android.os.Build.VERSION.SDK_INT >= 21)
        this.setStateListAnimator(null);

    this.setTextColor(Color.WHITE);
    this.setAllCaps(false);
    this.setGravity(Gravity.START | Gravity.CENTER_VERTICAL);

    this.setClickable(true);
}

---

From source file:com.projecttango.examples.cpp.planefitting.CustomDrawerLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    super.onTouchEvent(event);

    if (event.getX() > DRAWER_BAR_TOUCH_SIZE && event.getAction() == MotionEvent.ACTION_DOWN) {
        return isDrawerOpen(Gravity.START) || isDrawerVisible(Gravity.START);
    }/*from w  w  w.  jav  a  2 s . c  o  m*/
    return true;
}

---

From source file:org.tomasdavid.vehicleroutingproblem.MainActivity.java

/**
 * Hide and lock navigation drawer.
 */
public void lockDrawer() {
    statsDrawer.closeDrawer(Gravity.START);
    statsDrawer.setDrawerLockMode(DrawerLayout.INVISIBLE);
}

---

From source file:org.michaelbel.bottomsheet.BottomSheetCell.java

public BottomSheetCell(Context context) {
    super(context);

    iconView = new ImageView(context);
    iconView.setScaleType(ImageView.ScaleType.CENTER);

    FrameLayout.LayoutParams params1 = new FrameLayout.LayoutParams(Utils.dp(context, 24),
            Utils.dp(context, 24));/*from w w  w .  j av  a  2 s.com*/
    params1.gravity = Gravity.START | Gravity.CENTER_VERTICAL;
    params1.leftMargin = Utils.dp(context, 16);
    params1.rightMargin = Utils.dp(context, 16);

    iconView.setLayoutParams(params1);
    addView(iconView);

    textView = new TextView(context);
    textView.setLines(1);
    textView.setMaxLines(1);
    textView.setSingleLine(true);
    textView.setEllipsize(TextUtils.TruncateAt.END);
    textView.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 16);

    FrameLayout.LayoutParams params2 = new FrameLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
            ViewGroup.LayoutParams.WRAP_CONTENT);
    params2.gravity = Gravity.START | Gravity.CENTER_VERTICAL;
    params2.leftMargin = Utils.dp(context, 16);
    params2.rightMargin = Utils.dp(context, 16);

    textView.setLayoutParams(params2);
    addView(textView);
}

---

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