Example usage for android.widget SpinnerAdapter getView

Introduction

In this page you can find the example usage for android.widget SpinnerAdapter getView.

Prototype

View getView(int position, View convertView, ViewGroup parent);

Source Link

Document

Get a View that displays the data at the specified position in the data set.

Usage

From source file:com.actionbarsherlock.internal.widget.IcsSpinner.java

int measureContentWidth(SpinnerAdapter adapter, Drawable background) {
    if (adapter == null) {
        return 0;
    }//from   w  w w.  ja  va  2  s  .  com

    int width = 0;
    View itemView = null;
    int itemType = 0;
    final int widthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
    final int heightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);

    // Make sure the number of items we'll measure is capped. If it's a huge data set
    // with wildly varying sizes, oh well.
    int start = Math.max(0, getSelectedItemPosition());
    final int end = Math.min(adapter.getCount(), start + MAX_ITEMS_MEASURED);
    final int count = end - start;
    start = Math.max(0, start - (MAX_ITEMS_MEASURED - count));
    for (int i = start; i < end; i++) {
        final int positionType = adapter.getItemViewType(i);
        if (positionType != itemType) {
            itemType = positionType;
            itemView = null;
        }
        itemView = adapter.getView(i, itemView, this);
        if (itemView.getLayoutParams() == null) {
            itemView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
                    ViewGroup.LayoutParams.WRAP_CONTENT));
        }
        itemView.measure(widthMeasureSpec, heightMeasureSpec);
        width = Math.max(width, itemView.getMeasuredWidth());
    }

    // Add background padding to measured width
    if (background != null) {
        background.getPadding(mTempRect);
        width += mTempRect.left + mTempRect.right;
    }

    return width;
}

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From source file:android.support.v7.widget.AppCompatSpinner.java

private int compatMeasureContentWidth(SpinnerAdapter adapter, Drawable background) {
    if (adapter == null) {
        return 0;
    }/*from ww  w  . ja  v  a  2s. com*/

    int width = 0;
    View itemView = null;
    int itemType = 0;
    final int widthMeasureSpec = MeasureSpec.makeMeasureSpec(getMeasuredWidth(), MeasureSpec.UNSPECIFIED);
    final int heightMeasureSpec = MeasureSpec.makeMeasureSpec(getMeasuredHeight(), MeasureSpec.UNSPECIFIED);

    // Make sure the number of items we'll measure is capped. If it's a huge data set
    // with wildly varying sizes, oh well.
    int start = Math.max(0, getSelectedItemPosition());
    final int end = Math.min(adapter.getCount(), start + MAX_ITEMS_MEASURED);
    final int count = end - start;
    start = Math.max(0, start - (MAX_ITEMS_MEASURED - count));
    for (int i = start; i < end; i++) {
        final int positionType = adapter.getItemViewType(i);
        if (positionType != itemType) {
            itemType = positionType;
            itemView = null;
        }
        itemView = adapter.getView(i, itemView, this);
        if (itemView.getLayoutParams() == null) {
            itemView.setLayoutParams(new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT));
        }
        itemView.measure(widthMeasureSpec, heightMeasureSpec);
        width = Math.max(width, itemView.getMeasuredWidth());
    }

    // Add background padding to measured width
    if (background != null) {
        background.getPadding(mTempRect);
        width += mTempRect.left + mTempRect.right;
    }

    return width;
}

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From source file:com.quran.labs.androidquran.widgets.spinner.SpinnerCompat.java

int measureContentWidth(SpinnerAdapter adapter, Drawable background) {
    if (adapter == null) {
        return 0;
    }/*  w ww  .  ja v  a 2s  .c  o m*/

    int width = 0;
    View itemView = null;
    int itemType = 0;
    final int widthMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);
    final int heightMeasureSpec = MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED);

    // Make sure the number of items we'll measure is capped. If it's a huge data set
    // with wildly varying sizes, oh well.

    // SpinnerCompat's original code looked like this:
    // int start = Math.max(0, getSelectedItemPosition());
    // final int end = Math.min(adapter.getCount(), start + MAX_ITEMS_MEASURED);
    // final int count = end - start;
    // start = Math.max(0, start - (MAX_ITEMS_MEASURED - count));
    // for Quran Android, we changed it to always take the last 15 items (or all
    // items if the total count is less than 15).

    final int end = adapter.getCount();
    int start = Math.max(end - MAX_ITEMS_MEASURED, 0);
    for (int i = start; i < end; i++) {
        final int positionType = adapter.getItemViewType(i);
        if (positionType != itemType) {
            itemType = positionType;
            itemView = null;
        }
        itemView = adapter.getView(i, itemView, this);
        if (itemView.getLayoutParams() == null) {
            itemView.setLayoutParams(new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,
                    ViewGroup.LayoutParams.WRAP_CONTENT));
        }
        itemView.measure(widthMeasureSpec, heightMeasureSpec);
        width = Math.max(width, itemView.getMeasuredWidth());
    }

    width *= 1.1; // we add some extra space for Quran Android
    // Add background padding to measured width
    if (background != null) {
        background.getPadding(mTempRect);
        width += mTempRect.left + mTempRect.right;
    }

    return width;
}

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