BannerViewPager

allprojects {
		repositories {
			...
			maven { url 'https://jitpack.io' }
		}
	}
	

implementation 'com.github.zhpanvip:BannerViewPager:latestVersion'

implementation 'com.zhpan.library:bannerview:latestVersion'

    <com.zhpan.bannerview.BannerViewPager
            android:id="@+id/banner_view"
            android:layout_width="match_parent"
            android:layout_margin="10dp"
            android:layout_height="160dp" />

    <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">

        <ImageView
            android:id="@+id/banner_image"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:scaleType="centerCrop" />

        <LinearLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_alignParentBottom="true"
            android:background="#66000000"
            android:gravity="center_vertical">

            <TextView
                android:id="@+id/tv_describe"
                android:layout_width="wrap_content"
                android:layout_height="match_parent"
                android:layout_gravity="center_vertical"
                android:layout_marginStart="15dp"
                android:gravity="center_vertical"
                android:paddingTop="5dp"
                android:paddingBottom="5dp"
                android:textColor="#FFFFFF"
                android:textSize="16sp" />
        </LinearLayout>

    </RelativeLayout>

    public class NetViewHolder implements ViewHolder<CustomBean> {

        @Override
        public int getLayoutId() {
            return R.layout.item_net;
        }

        @Override
        public void onBind(View itemView, CustomBean data, int position, int size) {
            CornerImageView imageView = itemView.findViewById(R.id.banner_image);
            imageView.setRoundCorner(imageView.getContext().getResources().getDimensionPixelOffset(R.dimen.dp_5));
            ImageLoaderOptions options = new ImageLoaderOptions.Builder()
                    .into(imageView).load(data.getImageRes())
                    .placeHolder(R.drawable.placeholder).build();
            ImageLoaderManager.getInstance().loadImage(options);
        }
    }

    private lateinit var mViewPager: BannerViewPager<CustomBean, NetViewHolder>

    private fun initViewPager() {
            mBannerViewPager = findViewById(R.id.banner_view)
            mBannerViewPager.setCanLoop(false)
                .setIndicatorSlideMode(IndicatorSlideMode.SMOOTH)
                .setIndicatorMargin(0, 0, 0, getResources().getDimensionPixelOffset(R.dimen.dp_40))
                .setIndicatorGravity(IndicatorGravity.CENTER)
                .setHolderCreator { NetViewHolder() }
                .setOnPageChangeListener(
                    object : OnPageChangeListenerAdapter() {
                        override fun onPageSelected(position: Int) {
                            pageSelect(position)
                        }
                    }
                )
                .create(res.toList())
        }

    private BannerViewPager<CustomBean, NetViewHolder> mBannerViewPager;
    ...
	private void initViewPager() {
             mBannerViewPager = findViewById(R.id.banner_view);
             mBannerViewPager.showIndicator(true)
                .setInterval(3000)
                .setCanLoop(false)
                .setAutoPlay(true)
                .setRoundCorner(getResources().getDimensionPixelOffset(R.dimen.dp_7))
                .setIndicatorSliderColor(Color.parseColor("#935656"), Color.parseColor("#FF4C39"))
                .setIndicatorGravity(IndicatorGravity.END)
                .setScrollDuration(1000).setHolderCreator(NetViewHolder::new)
                .setOnPageClickListener(position -> {
                    CustomBean bannerData = mBannerViewPager.getList().get(position);
                    Toast.makeText(NetworkBannerActivity.this,
                            "点击了图片" + position + " " + bannerData.getImageDescription(), Toast.LENGTH_SHORT).show();

                }).create(mList);
        }

     @Override
      public void onPause() {
          super.onPause();
          if (mViewPager != null) {
              mViewPager.stopLoop();
          }
      }

    @Override
    protected void onResume() {
        super.onResume();
        if (mBannerViewPager != null)
            mBannerViewPager.startLoop();
    }

public class FigureIndicatorView extends BaseIndicatorView {

    private int radius = DpUtils.dp2px(20);

    private int backgroundColor = Color.parseColor("#88FF5252");

    private int textColor = Color.WHITE;

    private int textSize=DpUtils.dp2px(13);

    public FigureIndicatorView(Context context) {
        this(context, null);
    }

    public FigureIndicatorView(Context context, @Nullable AttributeSet attrs) {
        this(context, attrs, 0);
    }

    public FigureIndicatorView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        mPaint = new Paint();
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        setMeasuredDimension(2 * radius, 2 * radius);
    }

    @Override
    protected void onDraw(Canvas canvas) {
        super.onDraw(canvas);
        mPaint.setColor(backgroundColor);
        canvas.drawCircle(getWidth() / 2, getHeight() / 2, radius, mPaint);
        mPaint.setColor(textColor);
        mPaint.setTextSize(textSize);
        String text = currentPosition + 1 + "/" + pageSize;
        int textWidth = (int) mPaint.measureText(text);
        Paint.FontMetricsInt fontMetricsInt = mPaint.getFontMetricsInt();
        int baseline = (getMeasuredHeight() - fontMetricsInt.bottom + fontMetricsInt.top) / 2 - fontMetricsInt.top;
        canvas.drawText(text, (getWidth() - textWidth) / 2, baseline, mPaint);
    }

    public void setRadius(int radius) {
        this.radius = radius;
    }

    @Override
    public void setBackgroundColor(@ColorInt int backgroundColor) {
        this.backgroundColor = backgroundColor;
    }

    public void setTextSize(int textSize) {
        this.textSize = textSize;
    }

    public void setTextColor(int textColor) {
        this.textColor = textColor;
    }
}

    FigureIndicatorView indicatorView = new FigureIndicatorView(mContext);
    indicatorView.setRadius(BannerUtils.dp2px(18));
    indicatorView.setTextSize(BannerUtils.dp2px(13));
    indicatorView.setBackgroundColor(Color.parseColor("#aa118EEA"));

    mViewPager.setIndicatorGravity(IndicatorGravity.END)
              .setIndicatorView(indicatorView)
              .setHolderCreator(() -> new ImageResourceViewHolder(0))
              .create(mDrawableList);

Copyright 2019 zhpanvip

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

   http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.