Example usage for android.widget GridView setCacheColorHint

Introduction

In this page you can find the example usage for android.widget GridView setCacheColorHint.

Prototype

public void setCacheColorHint(@ColorInt int color) 

Source Link

Document

When set to a non-zero value, the cache color hint indicates that this list is always drawn on top of a solid, single-color, opaque background.

Usage

From source file:com.lm.im_huanxin.emoji.EmojiPageFragment.java

protected void initWidget(View rootView) {
    mPagerFace = (ViewPager) rootView.findViewById(R.id.frag_pager_face);
    pagePointLayout = (LinearLayout) rootView.findViewById(R.id.frag_point);

    int total = datas.size();
    int pages = total / ITEM_PAGE_COUNT + (total % ITEM_PAGE_COUNT == 0 ? 0 : 1);

    allPageViews = new GridView[pages];
    pointViews = new RadioButton[pages];

    for (int x = 0; x < pages; x++) {
        int start = x * ITEM_PAGE_COUNT;
        int end = (start + ITEM_PAGE_COUNT) > total ? total : (start + ITEM_PAGE_COUNT);
        final List<Emojicon> itemDatas = datas.subList(start, end);
        GridView view = new GridView(aty);
        EmojiAdapter faceAdapter = new EmojiAdapter(view, itemDatas);

        view.setNumColumns(7);/*from   ww w .  jav a  2s .  c  o  m*/
        view.setHorizontalSpacing(1);
        view.setVerticalSpacing(1);
        view.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);
        view.setCacheColorHint(0);
        view.setPadding(2, 0, 2, 0);
        view.setBackgroundResource(android.R.color.transparent);
        view.setSelector(android.R.color.transparent);
        view.setVerticalScrollBarEnabled(false);
        view.setGravity(Gravity.CENTER);
        view.setLayoutParams(new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT,
                FrameLayout.LayoutParams.WRAP_CONTENT));
        view.setAdapter(faceAdapter);

        view.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                if (listener != null) {
                    Emojicon emoji = itemDatas.get(position);
                    if (DisplayRules.isDeleteEmojicon(emoji)) {
                        listener.selectedBackSpace(emoji);
                    } else {
                        listener.selectedEmoji(emoji);
                    }
                }
            }
        });
        allPageViews[x] = view;

        RadioButton tip = new RadioButton(aty);
        tip.setBackgroundResource(R.drawable.selector_bg_tip);
        RadioGroup.LayoutParams layoutParams = new RadioGroup.LayoutParams(8, 8);
        layoutParams.leftMargin = 10;
        pagePointLayout.addView(tip, layoutParams);
        if (x == 0) {
            tip.setChecked(true);
        }
        pointViews[x] = tip;
    }

    PagerAdapter facePagerAdapter = new FacePagerAdapter(allPageViews);
    mPagerFace.setAdapter(facePagerAdapter);
    mPagerFace.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {

        @Override
        public void onPageSelected(int index) {
            pointViews[index].setChecked(true);
        }

        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2) {
        }

        @Override
        public void onPageScrollStateChanged(int arg0) {
        }
    });
}

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From source file:com.app.sample.chatting.data.emoji.EmojiPageFragment.java

@Override
protected void initWidget(View rootView) {
    super.initWidget(rootView);
    mPagerFace = (ViewPager) rootView.findViewById(R.id.frag_pager_face);
    pagePointLayout = (LinearLayout) rootView.findViewById(R.id.frag_point);

    int total = datas.size();
    int pages = total / ITEM_PAGE_COUNT + (total % ITEM_PAGE_COUNT == 0 ? 0 : 1);

    allPageViews = new GridView[pages];
    pointViews = new RadioButton[pages];

    for (int x = 0; x < pages; x++) {
        int start = x * ITEM_PAGE_COUNT;
        int end = (start + ITEM_PAGE_COUNT) > total ? total : (start + ITEM_PAGE_COUNT);
        final List<Emojicon> itemDatas = datas.subList(start, end);
        GridView view = new GridView(aty);
        EmojiAdapter faceAdapter = new EmojiAdapter(view, itemDatas);

        view.setNumColumns(7);//from  w  w  w  . j  a v  a 2 s  . c  o  m
        view.setHorizontalSpacing(1);
        view.setVerticalSpacing(1);
        view.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);
        view.setCacheColorHint(0);
        view.setPadding(2, 0, 2, 0);
        view.setBackgroundResource(android.R.color.transparent);
        view.setSelector(android.R.color.transparent);
        view.setVerticalScrollBarEnabled(false);
        view.setGravity(Gravity.CENTER);
        view.setLayoutParams(new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT,
                FrameLayout.LayoutParams.WRAP_CONTENT));
        view.setAdapter(faceAdapter);

        view.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                if (listener != null) {
                    Emojicon emoji = itemDatas.get(position);
                    if (DisplayRules.isDeleteEmojicon(emoji)) {
                        listener.selectedBackSpace(emoji);
                    } else {
                        listener.selectedEmoji(emoji);
                    }
                }
            }
        });
        allPageViews[x] = view;

        RadioButton tip = new RadioButton(aty);
        tip.setBackgroundResource(R.drawable.selector_bg_tip);
        RadioGroup.LayoutParams layoutParams = new RadioGroup.LayoutParams(8, 8);
        layoutParams.leftMargin = 10;
        pagePointLayout.addView(tip, layoutParams);
        if (x == 0) {
            tip.setChecked(true);
        }
        pointViews[x] = tip;
    }

    PagerAdapter facePagerAdapter = new FacePagerAdapter(allPageViews);
    mPagerFace.setAdapter(facePagerAdapter);
    mPagerFace.setOnPageChangeListener(new ViewPager.OnPageChangeListener() {

        @Override
        public void onPageSelected(int index) {
            pointViews[index].setChecked(true);
        }

        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2) {
        }

        @Override
        public void onPageScrollStateChanged(int arg0) {
        }
    });
}

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From source file:com.app.sample.chatting.activity.chat.FacePageFragment.java

@Override
protected void initWidget(View rootView) {
    super.initWidget(rootView);
    mPagerFace = (ViewPager) rootView.findViewById(R.id.frag_pager_face);
    pagePointLayout = (LinearLayout) rootView.findViewById(R.id.frag_point);

    int total = datas.size();
    int pages = total / ITEM_PAGE_COUNT + (total % ITEM_PAGE_COUNT == 0 ? 0 : 1);

    allPageViews = new GridView[pages];
    pointViews = new RadioButton[pages];

    for (int x = 0; x < pages; x++) {
        int start = x * ITEM_PAGE_COUNT;
        int end = (start + ITEM_PAGE_COUNT) > total ? total : (start + ITEM_PAGE_COUNT);
        final List<Faceicon> itemDatas = datas.subList(start, end);
        GridView view = new GridView(aty);
        FaceAdapter faceAdapter = new FaceAdapter(view, itemDatas);
        view.setAdapter(faceAdapter);//  ww w. j  a v a  2  s.c  o  m

        view.setNumColumns(4);
        view.setBackgroundColor(Color.TRANSPARENT);
        view.setHorizontalSpacing(1);
        view.setVerticalSpacing(1);
        view.setStretchMode(GridView.STRETCH_COLUMN_WIDTH);
        view.setCacheColorHint(0);
        view.setVerticalScrollBarEnabled(false);
        view.setPadding(5, 0, 5, 0);
        view.setSelector(new ColorDrawable(Color.TRANSPARENT));
        view.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT));
        view.setGravity(Gravity.CENTER);

        view.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                if (listener != null) {
                    listener.selectedFace(itemDatas.get(position));
                }
            }
        });
        allPageViews[x] = view;

        RadioButton tip = new RadioButton(aty);
        tip.setBackgroundResource(R.drawable.selector_bg_tip);
        RadioGroup.LayoutParams layoutParams = new RadioGroup.LayoutParams(8, 8);
        layoutParams.leftMargin = 10;
        pagePointLayout.addView(tip, layoutParams);
        if (x == 0) {
            tip.setChecked(true);
        }
        pointViews[x] = tip;
    }

    PagerAdapter facePagerAdapter = new FacePagerAdapter(allPageViews);
    mPagerFace.setAdapter(facePagerAdapter);
    mPagerFace.setOnPageChangeListener(new OnPageChangeListener() {

        @Override
        public void onPageSelected(int index) {
            pointViews[index].setChecked(true);
        }

        @Override
        public void onPageScrolled(int arg0, float arg1, int arg2) {
        }

        @Override
        public void onPageScrollStateChanged(int arg0) {
        }
    });
}

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