public class AdvertisementFragment extends DialogFragment {
    private ImageView imgMain;// 活动图背景图
    private ImageView imgClose;// 关闭按钮
    public GSRecommendList.Msg msg;// 数据源
    private ClickEvent clickEvent;// 事件
    public int devicewidth = 0;// 屏幕宽度
    public int deviceheight = 0;// 屏幕高度
    @Nullable
    @Override
    public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        getDialog().requestWindowFeature(Window.FEATURE_NO_TITLE);
        View view = inflater.inflate(R.layout.layout_dialog_fragment_advertisement, container);
        initControl(view);// 初始化控件
        initData();// 获取数据
        setAnimation();// 设置动画
        return view;
    }

    @Override
    public void onStart() {
        super.onStart();
        getDialog().getWindow().setBackgroundDrawable(new ColorDrawable(Color.TRANSPARENT));//宽度全屏的关键
        getDialog().getWindow().setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
        getDialog().getWindow().setGravity(Gravity.CENTER);

        Window window = getDialog().getWindow();
        WindowManager.LayoutParams windowParams = window.getAttributes();
        windowParams.dimAmount = 0.3f;
        window.setAttributes(windowParams);

        if (devicewidth > 0 ) {// 按照宽高比设置图片的大小
            try {
                // 设计图的宽高为260*322尺寸；
                RelativeLayout.LayoutParams layoutParams = new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT);
                int imgwidth = (int) ((devicewidth * 260) / 375);
                int imgheight = (int) ((imgwidth * 322) / 260);

                // 根据宽高比例设置活动背景图的宽高
                layoutParams.width = imgwidth;
                layoutParams.height = imgheight;

                // 设置活动图片的左右边距使其居中显示；
                layoutParams.leftMargin = (int) ((devicewidth - imgwidth) / 2);
                layoutParams.rightMargin = (int) ((devicewidth - imgwidth) / 2);

                imgMain.setLayoutParams(layoutParams);
            } catch (Exception ex) {
                ToastUtil.showCustomToast(ToastUtil.ToastType.FAIL, ex.getMessage());
            }
        }
    }
    /**
     * todo 初始化控件
     */
    private void initControl(View view) {
        imgMain = (ImageView) view.findViewById(R.id.imgMain);
        imgMain.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(null == msg)
                    return;
                String adverstr = AppSPUtils.getString(getActivity(),"adverstrinfo","");
                if(!TextUtils.isEmpty(adverstr)) {
                    GSRecommendList mBean = new Gson().fromJson(adverstr, GSRecommendList.class);
                    if(null != mBean && null != msg) {
                        SimpleDateFormat sdf = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss" );
                        for (GSRecommendList.Msg msgs : mBean.getRetdata().getNoticelist()) {
                            if(msgs.getNoticeid().equals(msg.getNoticeid())) {
                                msgs.setReadtime(sdf.format(new Date()));
                            }
                        }
                        AppSPUtils.saveString(getActivity(),"adverstrinfo",new Gson().toJson(mBean));
                    }
                }
                if ("1".equals(msg.getGotofund())
                        && !TextUtils.isEmpty(msg.getFundcode())) {
                    BusiHelper.gotoFundDetail(getActivity(), msg.getFundcode());
                } else {
                    NoticeDetailActivity.startActivity(getActivity(), H5Helper.getNoticeDetailUrl(msg.getNoticeid()));
                }
                if(null != clickEvent) {
                    clickEvent.clickNotice();
                }
                dismissAllowingStateLoss();
            }
        });

        imgClose = (ImageView) view.findViewById(R.id.imgClose);
        imgClose.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(null == msg)
                    return;
                String adverstr = AppSPUtils.getString(getActivity(),"adverstrinfo","");
                if(!TextUtils.isEmpty(adverstr)) {
                    GSRecommendList mBean = new Gson().fromJson(adverstr, GSRecommendList.class);
                    if(null != mBean && null != msg) {
                        SimpleDateFormat sdf = new SimpleDateFormat( "yyyy-MM-dd HH:mm:ss" );
                        for (GSRecommendList.Msg msgs : mBean.getRetdata().getNoticelist()) {
                            if(msgs.getNoticeid().equals(msg.getNoticeid())) {
                                msgs.setClosetime(sdf.format(new Date()));
                            }
                        }
                        AppSPUtils.saveString(getActivity(),"adverstrinfo",new Gson().toJson(mBean));
                    }
                }
                if(null != clickEvent) {
                    clickEvent.clickCancel();
                }
                dismissAllowingStateLoss();
            }
        });
    }

    /**
     * 设置动画
     */
    private void setAnimation() {
        Objects.requireNonNull(getDialog().getWindow()).setWindowAnimations(R.style.animate_msg_dialog);
    }

    /**
     * todo 获取数据
     */
    private void initData() {
        if(null != msg) {
            loadingNetImg(imgMain,msg.getLittleimg());
        }
    }

    public void loadingNetImg(final ImageView imgView, String url) {
        com.nostra13.universalimageloader.core.ImageLoader.getInstance().loadImage(url, new SimpleImageLoadingListener() {
            @Override
            public void onLoadingComplete(String imageUri, View view, Bitmap loadedImage) {
                super.onLoadingComplete(imageUri, view, loadedImage);
                if (null != loadedImage) {
                    imgView.setImageBitmap(Bitmap.createScaledBitmap(loadedImage, loadedImage.getWidth(), loadedImage.getHeight(), false));
                    imgView.setTag("loadingsuccess");
                }
            }

            @Override
            public void onLoadingStarted(String imageUri, View view) {
                super.onLoadingStarted(imageUri, view);
                imgView.setImageBitmap(readBitMap(getActivity(), R.mipmap.loading_start));
                imgView.setTag("loadingstart");
            }

            @Override
            public void onLoadingFailed(String imageUri, View view, FailReason failReason) {
                super.onLoadingFailed(imageUri, view, failReason);
                imgView.setImageBitmap(readBitMap(getActivity(), R.mipmap.loading_failed));
                imgView.setTag("loadingfailed");
            }
        });
    }

    public static Bitmap readBitMap(Context context, int resId) {
        BitmapFactory.Options opt = new BitmapFactory.Options();
        opt.inPreferredConfig = Bitmap.Config.ARGB_4444;
        opt.inPurgeable = true;
        opt.inInputShareable = true;
        //获取资源图片
        if (context != null) {
            InputStream is = context.getResources().openRawResource(resId);
            return BitmapFactory.decodeStream(is, null, opt);
        }
        return null;
    }

    public interface ClickEvent {
        void clickCancel();

        void clickNotice();
    }

    public ClickEvent getClickEvent() {
        return clickEvent;
    }

    public void setClickEvent(ClickEvent clickEvent) {
        this.clickEvent = clickEvent;
    }
}

布局代码

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:id="@+id/rl_ct"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@color/transparent">
    <RelativeLayout
        android:id="@+id/rl_main"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:background="@drawable/bg_adv_corner"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintRight_toRightOf="parent">
        <ImageView
            android:id="@+id/imgMain"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:scaleType="fitXY"
            />
    </RelativeLayout>

    <ImageView
        android:id="@+id/imgClose"
        android:layout_width="26dp"
        android:layout_height="26dp"
        android:layout_marginTop="20dp"
        android:src="@mipmap/icon_ad_close"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@id/rl_main"
        />
</android.support.constraint.ConstraintLayout>