Example usage for android.app ListActivity findViewById

Introduction

In this page you can find the example usage for android.app ListActivity findViewById.

Prototype

@Nullable
public <T extends View> T findViewById(@IdRes int id) 

Source Link

Document

Finds a view that was identified by the android:id XML attribute that was processed in #onCreate .

Usage

From source file:com.andrewshu.android.reddit.common.Common.java

public static void updateNextPreviousButtons(ListActivity act, View nextPreviousView, String after,
        String before, int count, RedditSettings settings, OnClickListener downloadAfterOnClickListener,
        OnClickListener downloadBeforeOnClickListener) {
    boolean shouldShow = after != null || before != null;
    Button nextButton = null;//from  w ww  .j a  va 2s  .c om
    Button previousButton = null;

    // If alwaysShowNextPrevious, use the navbar
    if (settings.isAlwaysShowNextPrevious()) {
        nextPreviousView = act.findViewById(R.id.next_previous_layout);
        if (nextPreviousView == null)
            return;
        View nextPreviousBorder = act.findViewById(R.id.next_previous_border_top);

        if (shouldShow) {
            if (nextPreviousView != null && nextPreviousBorder != null) {
                if (Util.isLightTheme(settings.getTheme())) {
                    nextPreviousView.setBackgroundResource(android.R.color.background_light);
                    nextPreviousBorder.setBackgroundResource(R.color.black);
                } else {
                    nextPreviousBorder.setBackgroundResource(R.color.white);
                }
                nextPreviousView.setVisibility(View.VISIBLE);
            }
            // update the "next 25" and "prev 25" buttons
            nextButton = (Button) act.findViewById(R.id.next_button);
            previousButton = (Button) act.findViewById(R.id.previous_button);
        } else {
            nextPreviousView.setVisibility(View.GONE);
        }
    }
    // Otherwise we are using the ListView footer
    else {
        if (nextPreviousView == null)
            return;
        if (shouldShow && nextPreviousView.getVisibility() != View.VISIBLE) {
            nextPreviousView.setVisibility(View.VISIBLE);
        } else if (!shouldShow && nextPreviousView.getVisibility() == View.VISIBLE) {
            nextPreviousView.setVisibility(View.GONE);
        }
        // update the "next 25" and "prev 25" buttons
        nextButton = (Button) nextPreviousView.findViewById(R.id.next_button);
        previousButton = (Button) nextPreviousView.findViewById(R.id.previous_button);
    }
    if (nextButton != null) {
        if (after != null) {
            nextButton.setVisibility(View.VISIBLE);
            nextButton.setOnClickListener(downloadAfterOnClickListener);
        } else {
            nextButton.setVisibility(View.INVISIBLE);
        }
    }
    if (previousButton != null) {
        if (before != null && count != Constants.DEFAULT_THREAD_DOWNLOAD_LIMIT) {
            previousButton.setVisibility(View.VISIBLE);
            previousButton.setOnClickListener(downloadBeforeOnClickListener);
        } else {
            previousButton.setVisibility(View.INVISIBLE);
        }
    }
}

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From source file:in.shick.diode.common.Common.java

public static void updateNextPreviousButtons(ListActivity act, View nextPreviousView, String after,
        String before, int count, RedditSettings settings, OnClickListener downloadAfterOnClickListener,
        OnClickListener downloadBeforeOnClickListener) {
    boolean shouldShow = after != null || before != null;
    Button nextButton = null;//from ww w.ja va 2  s.  c  om
    Button previousButton = null;

    // If alwaysShowNextPrevious, use the navbar
    if (settings.isAlwaysShowNextPrevious()) {
        nextPreviousView = act.findViewById(R.id.next_previous_layout);
        if (nextPreviousView == null) {
            return;
        }
        View nextPreviousBorder = act.findViewById(R.id.next_previous_border_top);

        if (shouldShow) {
            if (nextPreviousBorder != null) {
                if (Util.isLightTheme(settings.getTheme())) {
                    nextPreviousView.setBackgroundResource(android.R.color.background_light);
                    nextPreviousBorder.setBackgroundResource(R.color.black);
                } else {
                    nextPreviousBorder.setBackgroundResource(R.color.white);
                }
                nextPreviousView.setVisibility(View.VISIBLE);
            }
            // update the "next 25" and "prev 25" buttons
            nextButton = (Button) act.findViewById(R.id.next_button);
            previousButton = (Button) act.findViewById(R.id.previous_button);
        } else {
            nextPreviousView.setVisibility(View.GONE);
        }
    }
    // Otherwise we are using the ListView footer
    else {
        if (nextPreviousView == null) {
            return;
        }
        if (shouldShow && nextPreviousView.getVisibility() != View.VISIBLE) {
            nextPreviousView.setVisibility(View.VISIBLE);
        } else if (!shouldShow && nextPreviousView.getVisibility() == View.VISIBLE) {
            nextPreviousView.setVisibility(View.GONE);
        }
        // update the "next 25" and "prev 25" buttons
        nextButton = (Button) nextPreviousView.findViewById(R.id.next_button);
        previousButton = (Button) nextPreviousView.findViewById(R.id.previous_button);
    }
    if (nextButton != null) {
        if (after != null) {
            nextButton.setVisibility(View.VISIBLE);
            nextButton.setOnClickListener(downloadAfterOnClickListener);
        } else {
            nextButton.setVisibility(View.INVISIBLE);
        }
    }
    if (previousButton != null) {
        if (before != null && count != Constants.DEFAULT_THREAD_DOWNLOAD_LIMIT) {
            previousButton.setVisibility(View.VISIBLE);
            previousButton.setOnClickListener(downloadBeforeOnClickListener);
        } else {
            previousButton.setVisibility(View.INVISIBLE);
        }
    }
}

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