Aandroid 相册选取多个图片，gridview展示 ，集合添加 多个图片，删除等

首先 对应的就一个activiy 还有两个布局 一个主布局 一个是配置 gridview子条目的

下面撸代码

 

public class GridviewjiuActivity extends AppCompatActivity {

    private GridView gridView1;                   //网格显示缩略图

    private final int IMAGE_OPEN = 1;        //打开图片标记

    private String pathImage;                       //选择图片路径
    private Bitmap bmp;                               //导入临时图片
    private ArrayList> imageItem;
    private SimpleAdapter simpleAdapter;     //适配器
    ArrayList list;

    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_gridviewjiu);
        list = new ArrayList<>();
//
//                防止键盘挡住输入框
//                 不希望遮挡设置activity属性 android:windowSoftInputMode="adjustPan"
//                 希望动态调整高度 android:windowSoftInputMode="adjustResize"

        getWindow().setSoftInputMode(WindowManager.LayoutParams.
                SOFT_INPUT_ADJUST_PAN);
        //锁定屏幕
        setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);



        //获取控件对象
        gridView1 = (GridView) findViewById(R.id.gridView1);

        /*

       /*
         * 载入默认图片添加图片加号
         * 通过适配器实现
         * SimpleAdapter参数imageItem为数据源 R.layout.griditem_addpic为布局
         */
        bmp = BitmapFactory.decodeResource(getResources(), R.mipmap.gridview_addpic); //加号
        imageItem = new ArrayList>();
        HashMap map = new HashMap();
        map.put("itemImage", R.mipmap.gridview_addpic);
        imageItem.add(map);
        simpleAdapter = new SimpleAdapter(this,
                imageItem, R.layout.gridview,
                new String[]{"itemImage"}, new int[]{R.id.imageView1});
        /*
         * HashMap载入bmp图片在GridView中不显示,但是如果载入资源ID能显示 如
         * map.put("itemImage", R.drawable.img);
         * 解决方法:
         *              1.自定义继承BaseAdapter实现
         *              2.ViewBinder()接口实现
         *  参考 http://blog.csdn.net/admin_/article/details/7257901
         */


        simpleAdapter.setViewBinder(new SimpleAdapter.ViewBinder() {
            @Override
            public boolean setViewValue(View view, Object data,
                                        String textRepresentation) {
                // TODO Auto-generated method stub
                if (view instanceof ImageView && data instanceof Bitmap) {
//                    ImageView i = (ImageView) view;
                    ImageView img = (ImageView)findViewById(R.id.imageView1);
                    img.setImageBitmap((Bitmap) data);
                    return true;
                }
                return false;
            }
        });
        gridView1.setAdapter(simpleAdapter);

        /*
         * 监听GridView点击事件
         * 报错:该函数必须抽象方法 故需要手动导入import android.view.View;
         */
        gridView1.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView parent, View v, int position, long id) {
                if (imageItem.size() == 10) { //第一张为默认图片
                    Toast.makeText(GridviewjiuActivity.this, "图片数9张已满", Toast.LENGTH_SHORT).show();
                } else if (position == 0) { //点击图片位置为+ 0对应0张图片
                    Toast.makeText(GridviewjiuActivity.this, "添加图片", Toast.LENGTH_SHORT).show();
                    //选择图片
                    Intent intent = new Intent(Intent.ACTION_PICK,
                            android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
                    startActivityForResult(intent, IMAGE_OPEN);
                    //通过onResume()刷新数据
                } else {
                    dialog(position);
                    //Toast.makeText(MainActivity.this, "点击第" + (position + 1) + " 号图片",
                    //		Toast.LENGTH_SHORT).show();
                }

            }
        });


    }

    //获取图片路径 响应startActivityForResult
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        //打开图片
        if (resultCode == RESULT_OK && requestCode == IMAGE_OPEN) {
            Uri uri = data.getData();
            if (!TextUtils.isEmpty(uri.getAuthority())) {
                //查询选择图片
                Cursor cursor = getContentResolver().query(
                        uri,
                        new String[]{MediaStore.Images.Media.DATA},
                        null,
                        null,
                        null);

                //返回 没找到选择图片
                if (null == cursor) {
                    return;
                }

//                //光标移动至开头 获取图片路径
             cursor.moveToFirst();
              pathImage = cursor.getString(cursor
                      .getColumnIndex(MediaStore.Images.Media.DATA));


                 list.add(pathImage); //这里就是对应的所以图片

                Log.e("tupian1", "onActivityResult: "+pathImage );
                Log.e("tupian2", "onActivityResult: "+list.toString());



            }
        }  //end if 打开图片
    }

    //刷新图片
    @Override
    protected void onResume() {
        super.onResume();
        if (!TextUtils.isEmpty(pathImage)) {





          //  Bitmap addbmp = BitmapFactory.decodeFile(pathImage);

             //压缩
            Bitmap bm = Bitmap.createScaledBitmap(BitmapFactory.decodeFile(pathImage), 502, 302, true);


            HashMap map = new HashMap();
            map.put("itemImage", bm);
            imageItem.add(map);
            simpleAdapter = new SimpleAdapter(this,
                    imageItem, R.layout.gridview,
                    new String[]{"itemImage"}, new int[]{R.id.imageView1});
            simpleAdapter.setViewBinder(new SimpleAdapter.ViewBinder() {
                @Override
                public boolean setViewValue(View view, Object data,
                                            String textRepresentation) {
                    // TODO Auto-generated method stub
                    if (view instanceof ImageView && data instanceof Bitmap) {
                        ImageView i = (ImageView) view;
                        i.setImageBitmap((Bitmap) data);
                        return true;
                    }
                    return false;
                }
            });
            gridView1.setAdapter(simpleAdapter);
            simpleAdapter.notifyDataSetChanged();



            //刷新后释放防止手机休眠后自动添加
            pathImage = null;
        }
    }

    /*
     * Dialog对话框提示用户删除操作
     * position为删除图片位置
     */
    protected void dialog(final int position) {
        AlertDialog.Builder builder = new AlertDialog.Builder(GridviewjiuActivity.this);
        builder.setMessage("确认移除已添加图片吗？");
        builder.setTitle("提示");
        builder.setPositiveButton("确认", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
                imageItem.remove(position);

                simpleAdapter.notifyDataSetChanged();
            }
        });
        builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int which) {
                dialog.dismiss();
            }
        });
        builder.create().show();
    }


}

下面是对应的一个主布局x ml 里面就一个 g ridview布局

下面是 是配置对应的字条目

里面对应在res 下面drawable里面一个布局设置 e ditview_shape

还有一个图片 就是一个添加图片一个加号 这里面就不复制啦