android.widget.ImageView#getPaddingRight ( )源码实例Demo

@Override
protected void onFinishInflate() {
    super.onFinishInflate();

    final ImageView image = (ImageView) findViewById(R.id.widget_preview);
    mOriginalImagePadding.left = image.getPaddingLeft();
    mOriginalImagePadding.top = image.getPaddingTop();
    mOriginalImagePadding.right = image.getPaddingRight();
    mOriginalImagePadding.bottom = image.getPaddingBottom();

    // Ensure we are using the right text size
    LauncherAppState app = LauncherAppState.getInstance();
    DeviceProfile grid = app.getDynamicGrid().getDeviceProfile();
    TextView name = (TextView) findViewById(R.id.widget_name);
    if (name != null) {
        name.setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.iconTextSizePx);
    }
    TextView dims = (TextView) findViewById(R.id.widget_dims);
    if (dims != null) {
        dims.setTextSize(TypedValue.COMPLEX_UNIT_PX, grid.iconTextSizePx);
    }
}
 

/**
 * Window上での描画領域を取得します。
 * 当たり判定の矩形を表します。
 *
 * @param outRect 変更を加えるRect
 */
void getWindowDrawingRect(Rect outRect) {
    // Gravityが逆向きなので、矩形の当たり判定も上下逆転(top/bottom)
    // top(画面上で下方向)の判定を多めに設定
    final ImageView iconView = hasActionTrashIcon() ? mActionTrashIconView : mFixedTrashIconView;
    final float iconPaddingLeft = iconView.getPaddingLeft();
    final float iconPaddingTop = iconView.getPaddingTop();
    final float iconWidth = iconView.getWidth() - iconPaddingLeft - iconView.getPaddingRight();
    final float iconHeight = iconView.getHeight() - iconPaddingTop - iconView.getPaddingBottom();
    final float x = mTrashIconRootView.getX() + iconPaddingLeft;
    final float y = mRootView.getHeight() - mTrashIconRootView.getY() - iconPaddingTop - iconHeight;
    final int left = (int) (x - TARGET_CAPTURE_HORIZONTAL_REGION * mMetrics.density);
    final int top = -mRootView.getHeight();
    final int right = (int) (x + iconWidth + TARGET_CAPTURE_HORIZONTAL_REGION * mMetrics.density);
    final int bottom = (int) (y + iconHeight + TARGET_CAPTURE_VERTICAL_REGION * mMetrics.density);
    outRect.set(left, top, right, bottom);
}
 

/**
 * 削除アイコンの中心X座標を取得します。
 *
 * @return 削除アイコンの中心X座標
 */
float getTrashIconCenterX() {
    final ImageView iconView = hasActionTrashIcon() ? mActionTrashIconView : mFixedTrashIconView;
    final float iconViewPaddingLeft = iconView.getPaddingLeft();
    final float iconWidth = iconView.getWidth() - iconViewPaddingLeft - iconView.getPaddingRight();
    final float x = mTrashIconRootView.getX() + iconViewPaddingLeft;
    return x + iconWidth / 2;
}
 

void resetSizes(@NonNull ImageView imageView) {
    final int imageViewWidth = imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
    final int imageViewHeight = imageView.getHeight() - imageView.getPaddingTop() - imageView.getPaddingBottom();
    if (imageViewWidth == 0 || imageViewHeight == 0) {
        return;
    }

    Drawable drawable = SketchUtils.getLastDrawable(imageView.getDrawable());
    if (drawable == null) {
        return;
    }

    final int drawableWidth = drawable.getIntrinsicWidth();
    final int drawableHeight = drawable.getIntrinsicHeight();
    if (drawableWidth == 0 || drawableHeight == 0) {
        return;
    }

    viewSize.set(imageViewWidth, imageViewHeight);
    drawableSize.set(drawableWidth, drawableHeight);
    if (drawable instanceof SketchDrawable && !(drawable instanceof SketchLoadingDrawable)) {
        SketchDrawable sketchDrawable = (SketchDrawable) drawable;
        imageSize.set(sketchDrawable.getOriginWidth(), sketchDrawable.getOriginHeight());
    } else {
        imageSize.set(drawableWidth, drawableHeight);
    }
}
 

/**
 * 削除アイコンの中心X座標を取得します。
 *
 * @return 削除アイコンの中心X座標
 */
float getTrashIconCenterX() {
    final ImageView iconView = hasActionTrashIcon() ? mActionTrashIconView : mFixedTrashIconView;
    final float iconViewPaddingLeft = iconView.getPaddingLeft();
    final float iconWidth = iconView.getWidth() - iconViewPaddingLeft - iconView.getPaddingRight();
    final float x = mTrashIconRootView.getX() + iconViewPaddingLeft;
    return x + iconWidth / 2;
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView)
        return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView)
        return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView)
        return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView)
        return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

public static Rect getBitmapRectFromImageView(ImageView imageView) {
    Drawable drawable = imageView.getDrawable();
    Bitmap bitmap = null;
    if (drawable instanceof BitmapDrawable) {
        bitmap = ((BitmapDrawable) drawable).getBitmap();
    }

    Rect rect = new Rect();
    boolean isVisible = imageView.getGlobalVisibleRect(rect);
    if (!isVisible) {
        int[] location = new int[2];
        imageView.getLocationOnScreen(location);

        rect.left = location[0];
        rect.top = location[1];
        rect.right = rect.left + imageView.getWidth();
        rect.bottom = rect.top + imageView.getHeight();
    }

    if (bitmap != null) {

        int bitmapWidth = bitmap.getWidth();
        int bitmapHeight = bitmap.getHeight();

        int imageViewWidth = imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
        int imageviewHeight = imageView.getHeight() - imageView.getPaddingTop() - imageView.getPaddingBottom();

        float startScale;
        if ((float) imageViewWidth / bitmapWidth > (float) imageviewHeight / bitmapHeight) {
            // Extend start bounds horizontally
            startScale = (float) imageviewHeight / bitmapHeight;

        } else {
            startScale = (float) imageViewWidth / bitmapWidth;

        }

        bitmapHeight = (int) (bitmapHeight * startScale);
        bitmapWidth = (int) (bitmapWidth * startScale);

        int deltaX = (imageViewWidth - bitmapWidth) / 2;
        int deltaY = (imageviewHeight - bitmapHeight) / 2;

        rect.set(rect.left + deltaX, rect.top + deltaY, rect.right - deltaX, rect.bottom - deltaY);

        return rect;
    } else {
        return null;
    }

}
 

private int getImageViewWidth(ImageView imageView) {
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView)
        return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView)
        return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView) return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView)
        return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView)
        return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView)
        return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView)
        return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}
 

private int getImageViewWidth(ImageView imageView) {
    if (null == imageView)
        return 0;
    return imageView.getWidth() - imageView.getPaddingLeft() - imageView.getPaddingRight();
}