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

<picturedisplayview.yangshijie.com.library.PDPView<br>
    android:id="@+id/myPDPView"<br>
    android:layout_width="match_parent"<br>
    android:layout_height="match_parent"><br>
</picturedisplayview.yangshijie.com.library.PDPView><br>

public class MainActivity extends AppCompatActivity {
private static final String TAG = "MainActivity";
private static final int REQUEST_CODE_CHOOSE = 0xff1;
private PDPView<Uri> myPDPView;
private  PDPViewAdapter<Uri> pdpViewAdapter;
private List<Uri> data=new ArrayList<>();
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    /**
     * 初始化控件
     */
    myPDPView = (PDPView) findViewById(R.id.myPDPView);
    /**
     * 初始化适配器
     */
    pdpViewAdapter = new PDPViewAdapter(this, data);
    /**
     * 设置适配器
     */
    myPDPView.setAdapter(pdpViewAdapter);
    /**
     * 
     * 设置监听回调
     */
    myPDPView.setCall(new PDPViewCall<Uri>() {

        /**
         * 添加图片回调  自行处理
         */
        @Override
        public void addImage() {
            Log.i(TAG, "addImage: ");
            openCamera();
        }


        /**
         * 图片点击事件
         * @param holder
         * @param p
         */
        @Override
        public void onImageEvent(BaseMyHolder holder, int p) {
            Log.i(TAG, "onImageEvent: ");
        }


        /**
         * 图片资源回调 ——————》  图片顺序改变时、增加、删除图片都会回调  ，回调后请自行删除列表的最后一项
         * @param list  
         */
        @Override
        public void onUpdate(List<Uri> list) {
            Log.i(TAG, "onUpdate: "+list);
            
        }
    });

}

/**
 * 选择照片
 */
private void openCamera() {
    Matisse.from(MainActivity.this)
            .choose(MimeType.of(MimeType.JPEG)) // 选择 mime 的类型
            .countable(true)
            .maxSelectable(9) // 图片选择的最多数量
            //.gridExpectedSize(getResources().getDimensionPixelSize(R.dimen.grid_expected_size))
            .restrictOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED)
            .thumbnailScale(0.85f) // 缩略图的比例
            .imageEngine(new GlideEngine()) // 使用的图片加载引擎
            .forResult(REQUEST_CODE_CHOOSE);
}
List<Uri> mSelected;

/**
 * 选择图片后的回调
 * @param requestCode
 * @param resultCode
 * @param data
 */
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    if (requestCode == REQUEST_CODE_CHOOSE && resultCode == RESULT_OK) {
        mSelected = Matisse.obtainResult(data);
        Log.d("Matisse", "mSelected: " + mSelected);

        /**
         * 向适配器里面添加新增的图片
         */
        pdpViewAdapter.addItme(mSelected);
    }
}