Java View.setContentDescription方法代码示例

import android.view.View; //导入方法依赖的package包/类
/** Configures the call button area using the given entry. */
private void configureCallButton(String callText, CharSequence nbrLabel, CharSequence number) {
    View convertView = getView().findViewById(R.id.call_and_sms);
    convertView.setVisibility(TextUtils.isEmpty(number) ? View.GONE : View.VISIBLE);

    TextView text = (TextView) convertView.findViewById(R.id.call_and_sms_text);

    View mainAction = convertView.findViewById(R.id.call_and_sms_main_action);
    mainAction.setOnClickListener(mPrimaryActionListener);
    mainAction.setContentDescription(callText);
    if(TextUtils.isEmpty(number)) {
        number = "";
    }
    mainAction.setTag(SipUri.getCanonicalSipContact(number.toString(), false));
    text.setText(callText);

    TextView label = (TextView) convertView.findViewById(R.id.call_and_sms_label);
    if (TextUtils.isEmpty(nbrLabel)) {
        label.setVisibility(View.GONE);
    } else {
        label.setText(nbrLabel);
        label.setVisibility(View.VISIBLE);
    }
}
 

import android.view.View; //导入方法依赖的package包/类
/**
 * Add a content description to the specified swatch view. Because the colors get added in a
 * snaking form, every other row will need to compensate for the fact that the colors are added
 * in an opposite direction from their left->right/top->bottom order, which is how the system
 * will arrange them for accessibility purposes.
 */
private void setSwatchDescription(int rowNumber, int index, int rowElements, boolean selected,
        View swatch, String[] contentDescriptions) {
    String description;
    if (contentDescriptions != null && contentDescriptions.length > index) {
        description = contentDescriptions[index];
    } else {
        int accessibilityIndex;
        if (rowNumber % 2 == 0) {
            // We're in a regular-ordered row
            accessibilityIndex = index + 1;
        } else {
            // We're in a backwards-ordered row.
            int rowMax = ((rowNumber + 1) * mNumColumns);
            accessibilityIndex = rowMax - rowElements;
        }

        if (selected) {
            description = String.format(mDescriptionSelected, accessibilityIndex);
        } else {
            description = String.format(mDescription, accessibilityIndex);
        }
    }
    swatch.setContentDescription(description);
}
 

import android.view.View; //导入方法依赖的package包/类
public static void setAccessibilityIgnore(View view) {
    view.setClickable(false);
    view.setFocusable(false);
    view.setContentDescription("");
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
        view.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
    }
}
 

import android.view.View; //导入方法依赖的package包/类
public static void setAccessiblityIgnore(View view) {
	view.setClickable(false);
	view.setFocusable(false);
	view.setContentDescription("");
	if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
		view.setImportantForAccessibility(View.IMPORTANT_FOR_ACCESSIBILITY_NO);
	}
}
 

import android.view.View; //导入方法依赖的package包/类
@Override
protected void onBindView(View view) {
    super.onBindView(view);
    mImageView = (ImageView) view.findViewById(R.id.expando);
    if (mDrawable != null) mImageView.setImageDrawable(mDrawable);

    // For accessibility, read out the whole title and whether the group is collapsed/expanded.
    String description = getTitle() + getContext().getResources().getString(mExpanded
            ? R.string.accessibility_expanded_group
            : R.string.accessibility_collapsed_group);
    view.setContentDescription(description);
}
 

import android.view.View; //导入方法依赖的package包/类
@Override
protected void onBindView(final View view) {
    super.onBindView(view);
    // On pre-L devices, PreferenceCategoryWithButtonStyle is reused for PreferenceCategory,
    // which needs a top padding of 16dp; we don't want this top padding for
    // PreferenceCategoryWithButton views.
    view.setPadding(view.getPaddingLeft(), 0, view.getPaddingRight(), view.getPaddingBottom());
    View button = view.findViewById(android.R.id.icon);
    button.setOnClickListener(this);

    if (!TextUtils.isEmpty(mContentDescription)) {
        button.setContentDescription(mContentDescription);
    }
}
 

import android.view.View; //导入方法依赖的package包/类
@Nullable
@Override
public View onCreateView(LayoutInflater inflater,
                         @Nullable ViewGroup container,
                         @Nullable Bundle savedInstanceState) {
    View view = new View(getContext());
    view.setContentDescription("First Fragment");
    return view;
}
 

import android.view.View; //导入方法依赖的package包/类
@Nullable
@Override
public View onCreateView(LayoutInflater inflater,
                         @Nullable ViewGroup container,
                         @Nullable Bundle savedInstanceState) {
    View view = new View(getContext());
    view.setContentDescription("Second Fragment");
    return view;
}
 

import android.view.View; //导入方法依赖的package包/类
@Override
public Holder onCreateViewHolder(ViewGroup parent, int viewType) {
    final View view;
    switch (viewType) {
        case SampleAppConstants.TITLE:
            // Programmatically set the text of the title here.
            view = mInflater.inflate(R.layout.title_layout, parent, false);
            TextView titleView = view.findViewById(R.id.title_text);
            titleView.setText(R.string.a_long_list);
            break;
        case SampleAppConstants.SWITCH:
            // Reference the switch widget's text and view.
            view = mInflater.inflate(R.layout.long_list_switch_widget_layout, parent, false);
            TextView switchText = view.findViewById(R.id.switch_text);
            switchText.setText(R.string.bottom_action_drawer);

            mSwitchWidget = view.findViewById(R.id.switch_widget);

            view.setContentDescription(
                    mContext.getResources()
                            .getString(
                                    R.string.switch_bottom_action_drawer,
                                    getSwitchToggleString(mSwitchWidget.isChecked())));

            // Set the OnClickListener (Observer pattern used here).
            view.setOnClickListener(
                    new OnClickListener() {
                        @Override
                        public void onClick(View v) {
                            mSwitchWidget.setChecked(!(mSwitchWidget.isChecked()));
                            if (mSwitchChangeListener != null) {
                                mSwitchChangeListener.onChange(mSwitchWidget.isChecked());
                            }
                            view.setContentDescription(
                                    mContext.getResources()
                                            .getString(
                                                    R.string.switch_bottom_action_drawer,
                                                    getSwitchToggleString(
                                                            mSwitchWidget.isChecked())));
                        }
                    });
            break;
        case SampleAppConstants.HEADER_FOOTER:
            view = mInflater.inflate(R.layout.header_footer_layout, parent, false);
            break;
        case SampleAppConstants.PROGRESS_BAR:
            view = mInflater.inflate(R.layout.progress_bar_layout, parent, false);
            break;
        case SampleAppConstants.NORMAL:
            view = mInflater.inflate(R.layout.shifted_app_item_layout, parent, false);
            break;
        default:
            view = mInflater.inflate(R.layout.shifted_app_item_layout, parent, false);
            break;
    }
    return new Holder(view);
}
 

import android.view.View; //导入方法依赖的package包/类
@Override
public void onBind(View view, Object o) {
    view.setContentDescription(TestOnBind.class.getSimpleName());
}
 

import android.view.View; //导入方法依赖的package包/类
private void setButtonContentDescription(View v, int stringResouce) {
  v.setContentDescription(
      getResources().getString(R.string.accessibility_search_activity_add_to, // Format string
          getResources().getString(stringResouce))
  );
}
 

import android.view.View; //导入方法依赖的package包/类
protected void setAriaLabel(String label) {
  View host = getHostView();
  if(host != null){
    host.setContentDescription(label);
  }
}
 

import android.view.View; //导入方法依赖的package包/类
@Override
public void bindCollectionItemView(Context context, View view, int groupId,
        int indexInGroup, int dataIndex, Object tag) {
    if (GROUP_ID_KEYNOTE_STREAM_CARD == groupId ||
            GROUP_ID_MESSAGE_CARDS == groupId) {
        // These two group id types don't have child views.
        populateSubItemInfo(context, view, groupId, tag);
        // Set the object's data into the view's tag so that the click listener on the view can
        // extract it and use the data to handle a click.
        View clickableView = view.findViewById(R.id.explore_io_clickable_item);
        if (clickableView != null) {
            clickableView.setTag(tag);
        }
    } else {
        // These group ids have children who are child items.
        ViewGroup viewWithChildrenSubItems = (ViewGroup)(view.findViewById(
                R.id.explore_io_card_container_contents));
        ItemGroup itemGroup = (ItemGroup) tag;

        // Set Header tag and title.
        viewWithChildrenSubItems.getChildAt(0).setTag(tag);
        TextView titleTextView = ((TextView) view.findViewById(android.R.id.title));
        View headerView = view.findViewById(R.id.explore_io_card_header_layout);
        if (headerView != null) {
            headerView.setContentDescription(
                    getString(R.string.more_items_button_desc_with_label_a11y,
                            itemGroup.getTitle()));
        }

        // Set the tag on the moreButton so it can be accessed by the click listener.
        View moreButton = view.findViewById(android.R.id.button1);
        if (moreButton != null) {
            moreButton.setTag(tag);
        }
        if (titleTextView != null) {
            titleTextView.setText(itemGroup.getTitle());
        }

        // Skipping first child b/c it is a header view.
        for (int viewChildIndex = 1; viewChildIndex < viewWithChildrenSubItems.getChildCount(); viewChildIndex++) {
            View childView = viewWithChildrenSubItems.getChildAt(viewChildIndex);

            int sessionIndex = viewChildIndex - 1;
            int sessionSize = itemGroup.getSessions().size();
            if (childView != null && sessionIndex < sessionSize) {
                childView.setVisibility(View.VISIBLE);
                SessionData sessionData = itemGroup.getSessions().get(sessionIndex);
                childView.setTag(sessionData);
                populateSubItemInfo(context, childView, groupId, sessionData);
            } else if (childView != null) {
                childView.setVisibility(View.GONE);
            }
        }
    }

}
 

import android.view.View; //导入方法依赖的package包/类
private void trySetContentDescription(View root, int viewId, int contDescResId) {
    View target = root.findViewById(viewId);
    if (target != null) {
        target.setContentDescription(mContext.getString(contDescResId));
    }
}