1 <LinearLayout
2 android:layout_width="match_parent"
3 android:layout_height="wrap_content"
4 android:orientation="vertical"
5 android:background="@color/white"
6 >
7 android.support.v7.widget.RecyclerView
8 android:id="@+id/rvPic"
9 android:layout_width10 android:layout_height11 android:layout_gravity="center_horizontal"12
13 </android.support.v7.widget.RecyclerView14
15 TextView
16 ="@+id/tvNum"
17 18 19 android:text="0/8"
20 android:textColor="#666666"
21 ="right|bottom"
22 android:paddingRight="@dimen/dp_10"/>
23
24
25 LinearLayout26 Button
27
28 ="@+id/btn_Enter"
29 android:layout_width30 android:layout_height="@dimen/dp_45"
31 android:layout_alignParentBottom="true"
32 android:background="@drawable/selecter_button"
33 android:text="确认上传"
34 android:textColor="@color/inButtonText"
35 android:textSize="@dimen/dp_18" />
1 public class LoadFileVo {
2
3 File file;
4
5 int pg; //图片下方的进度条
6
7 boolean isUpload = false; 标识该文件是否上传
8
9 Bitmap bitmap;
10
11 public Bitmap getBitmap() {
12 return bitmap;
13 }
15 void setBitmap(Bitmap bitmap) {
16 this.bitmap =17 18
19 boolean isUpload() {
20 isUpload;
21 22
23 void setUpload( upload) {
24 isUpload = upload;
25 26
27 LoadFileVo() {
28 29
30 public LoadFileVo(File file,int pg) {
31 this.file = file;
32 this.pg = pg;
33 34
35 boolean isUpload,1)"> pg,Bitmap bitmap) {
36 37 38 this.isUpload =39 40 41
42 File getFile() {
43 44 45
46 setFile(File file) {
47 48 49
50 getPg() {
51 52 53
54 void setPg(55 56 57 }
1 /*
2 *Create By 小群子 2018/12/10
3 */
4
5 class LoadPicAdapter extends RecyclerView.Adapter<LoadPicAdapter.MyViewHolder> {
6
7 Context context;
8 List<LoadFileVo> fileList = null;
9 View view;
10 int picNum = 8;列表的图片个数最大值
11
12 public LoadPicAdapter(Context context,List<LoadFileVo> fileList) {
13 this.context = context;
14 this.fileList = fileList;
15 16
17 picNum) {
18 19 20 this.picNum = picNum;
21 22
23 interface OnItemClickListener {
24 void click(View view,1)"> positon);
25
26 del(View view);
27 28
29 OnItemClickListener listener;
30
31 setListener(OnItemClickListener listener) {
32 this.listener = listener;
33 34
35 @Override
36 public MyViewHolder onCreateViewHolder(ViewGroup parent,1)"> viewType) {
37
38 view = LayoutInflater.from(context).inflate(R.layout.load_item_pic,parent,1)">false);
39 return new MyViewHolder(view);
40 41
42 43 void onBindViewHolder(MyViewHolder holder,1)">final position) {
44
45 通过默认设置第一个为空文件为添加退保，且在文件个数小于最大限制值的情况。当图片个数等于最大限制值，第一个则不是添加按钮
46 if (position == 0&&fileList.get(position).getBitmap()==) {
47 holder.ivPic.setImageResource(R.drawable.addpic);加号图片
48 holder.ivPic.setOnClickListener( View.OnClickListener() {
49 @Override
50 onClick(View view) {
51 listener.click(view,position);
52 }
53 });
54 holder.ivDel.setVisibility(View.INVISIBLE);
55 holder.bg_progressbar.setVisibility(View.GONE);
56
57 } else 58 Uri uri = Uri.parse(fileList.get(position).getFile().getPath());
59 holder.ivPic.setImageURI(uri);
60
61 holder.ivPic.setImageBitmap(fileList.get(position).getBitmap());
62 使用压缩后的图片进行填充到界面上
63
64
65
66 holder.ivDel.setVisibility(View.VISIBLE);
67 holder.bg_progressbar.setVisibility(View.VISIBLE);
68 holder.bg_progressbar.setProgress(fileList.get(position).getPg());
69 }
70
71
72 holder.ivDel.setOnClickListener( 73 @Override
74 75 判断图片是否上传，上传后将无法删除
76 if (fileList.get(position).isUpload()) {
77 Toast.makeText(context,"该图片已上传！",Toast.LENGTH_SHORT).show();
78 } 79 fileList.remove(position);
80 if (fileList.size()==picNum-1&&fileList.get(0).getBitmap()!=){
81 fileList.add(0,1)"> LoadFileVo());
82 }如果数量达到最大数时，前面的加号去掉，然后再减去时，则添加前面的加号
83 notifyDataSetChanged();
84 if (listener!= 85 listener.del(view);传递接口，计算图片个数显示在界面中
86 }
87
88 89 }
90 });
91
92
93 94
95 96 getItemCount() {
97 fileList.size();
98 99
100
101 static class MyViewHolder extends RecyclerView.ViewHolder {
102 @BindView(R.id.ivPic)
103 ImageView ivPic;
104 @BindView(R.id.ivDel)
105 ImageView ivDel;
106 @BindView(R.id.bg_progressbar)
107 ProgressBar bg_progressbar;
108
109 View view;
110
111
112 MyViewHolder(View view) {
113 super(view);
114 this.view = view;
115 ButterKnife.bind(this116 117 118 }
1 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
2 android:layout_width="@dimen/dp_110"
3 android:layout_height="@dimen/dp_115"
5 >
7 < 8 android:layout_width="match_parent"
9 android:layout_height="match_parent"
10 android:orientation="vertical"
11 android:padding="@dimen/dp_5">
13 <ImageView
14 android:id="@+id/ivPic"
15 android:layout_width="match_parent"
16 android:layout_height="@dimen/dp_100"
17 android:scaleType="centerCrop"
18 android:src="@drawable/ic_pick"
19 />
20
21 <ProgressBar
22 android:id="@+id/bg_progressbar"
23 style="@style/StyleProgressBarMini"
24 android:layout_width="match_parent"
25 android:layout_height="@dimen/dp_5"
26 android:background="@drawable/shape_progressbar_mini"
27 android:max="100"
28 android:progress="60" />
29 </LinearLayout>
30 <31 android:id="@+id/ivDel"
32 android:layout_width="@dimen/dp_25"
33 android:layout_height="@dimen/dp_25"
34 android:src="@drawable/delete_round"
35 android:layout_alignParentRight="true"/>
36
37 </RelativeLayout>
1 List<LoadFileVo> fileList = new ArrayList<>();
2 LoadPicAdapter adapter = 3
4 这里使用ButterKnife
5 @BindView(R.id.rvPic)
6 RecyclerView rvPic;
7
8 @BindView(R.id.tvNum)
TextView tvNum;
11
12 初始化Adapter
13 设置图片选择的接口
14 private initAdapter() {
15 fileList.add(16 adapter = new LoadPicAdapter(this,fileList,8 rvPic.setAdapter(adapter);
18 rvPic.setLayoutManager(new GridLayoutManager());
19 adapter.setListener( LoadPicAdapter.OnItemClickListener() {
20 21 positon) {
22 if (fileList.size()>823 showShortToast("一次最多上传8张图片！"24 }25 selectPic(); 选择添加图片方法
26 30 31 del(View view) {
32 tvNum.setText((fileList.size()-1)+"/8"34 35 }
String mPhtotPath;
2 Uri uriImage;
3 File mPhotoFile = 5
选择图片
7 selectPic() {
动态请求权限，除此之外还需进行Androidmanifest.xml中进行请求
11 if (ContextCompat.checkSelfPermission(12 != PackageManager.PERMISSION_GRANTED || ContextCompat.checkSelfPermission(13 Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED
14 || ContextCompat.checkSelfPermission(15 Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
16 ActivityCompat.requestPermissions(17 String[]{Manifest.permission.CAMERA,1)">18 Manifest.permission.READ_EXTERNAL_STORAGE,1)">19 Manifest.permission.WRITE_EXTERNAL_STORAGE},1)">20 124 final CharSequence[] items = {"相册","拍照"};
25 AlertDialog.Builder dlg = new AlertDialog.Builder(EndLoadMstActivity.26 dlg.setTitle("添加图片"27 dlg.setItems(items,1)"> DialogInterface.OnClickListener() {
28 void onClick(DialogInterface dialog,1)"> item) {
29 这里item是根据选择的方式，
30 if (item == 031 Intent intent = Intent(Intent.ACTION_PICK);
32 intent.setType("image/*"33 startActivityForResult(intent,034 } 35 try36 Intent intent = new Intent("android.media.action.IMAGE_CAPTURE"37 mPhtotPath = getSDPath() + "/" + getPhotoFileName();
38 mPhotoFile = File(mPhtotPath);
39 if (!mPhotoFile.exists()) {
mPhotoFile.createNewFile();
41 }
42 uriImage = FileProvider.getUriForFile(EndLoadMstActivity.this,getPackageName() + ".provider",createImageFile());
43
44 uriImage = FileProvider.getUriForFile(EndLoadMstActivity.45 Log.i("TAG","onClick: "+mPhtotPath+"---------" + getPackageName() + ".provider"46 uriImage = Uri.fromFile(mPhotoFile);以上一句代替解决相机兼容问题
47 intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.putExtra(MediaStore.EXTRA_OUTPUT,uriImage);
50 startActivityForResult(intent,151
52 } catch (Exception e) {
53 e.printStackTrace();
54 55 57 }).create();
58 dlg.show();
59 60
61 String getSDPath() {
62 File sdDir = 63 boolean sdCardExsit = Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED);
64 (sdCardExsit) {
65 sdDir = Environment.getExternalStorageDirectory();
66 67 sdDir.toString();
68 69
70 private String getPhotoFileName() {
71 Date date = Date(System.currentTimeMillis());
72 SimpleDateFormat dateFormat = new SimpleDateFormat("'IMG'_yyyyMMdd_HHmmss"73 return dateFormat.format(date) + ".jpg"74 }
重写onActivityResult方法
@Override
3 protected void onActivityResult(int requestCode,1)"> resultCode,Intent data) {
4 .onActivityResult(requestCode,resultCode,data);
5 if (requestCode == 1 6 BitmapFactory.Options options = BitmapFactory.Options();
7 options.inSampleSize = 2; 图片宽高都为原来的二分之一，即图片为原来的四分之一
8 Bitmap bitmap = BitmapFactory.decodeFile(mPhtotPath,options);
9 if (bitmap != 10 if (uriImage != 11 saveUritoFile(uriImage,1)">12 13
14 bitmap.isRecycled()) {
15 bitmap.recycle(); 回收图片所占的内存
16 System.gc(); 提醒系统及时回收
if (requestCode == 0if (data != 22 Uri uri = data.getData();
23 saveUritoFile(uri,1)">24 27 28
29 将Uri图片类型转换成File，BitMap类型
在界面上显示BitMap图片，以防止内存溢出
31 上传可选择File文件上传
32
33 void saveUritoFile(Uri uriImage,1)"> type) {
34 Bitmap photoBmp = 35
37 38 photoBmp = MediaStore.Images.Media.getBitmap(this.getContentResolver(),1)">39 ByteArrayOutputStream fos = new ByteArrayOutputStream();
photoBmp.compress(Bitmap.CompressFormat.JPEG,80,fos);
41 以上代码压缩不行，还是会造成内存溢出
42
43 BitmapFactory.Options options = 44 options.inSampleSize = 2; 45 photoBmp = BitmapFactory.decodeStream(.getContentResolver()
46 .openInputStream(uriImage),1)">47
48 File file = new File(""49 if (type==050 file = FileParseUtils.getFileByUri(52 }53 if (mPhotoFile!=54 file = mPhotoFile;
56
File file = new File("");
try {
60 file = new File(new URI(uriImage.toString()));
} catch (URISyntaxException e) {
62 e.printStackTrace();
63 }
64 fileList.add(new LoadFileVo(file,1)">false,photoBmp));
65 tvNum.setText((fileList.size()-1)+"/8"66 ){ //判断时候达到最大数量，如果达到最大数量，则去掉前面的加号
67 fileList.remove(070 adapter.notifyDataSetChanged();
71
72 } (IOException e) {
73 e.printStackTrace();
74 Log.i("TAG","saveUritoFile: ---------压缩图片异常！"75 76
77
78 79
80 }
一张张图片轮流上传
void netUpload(int i,1)">final String joData) {用jsonOject方式转string传递其他参数
3 5 isRequestHttp) {
6 isRequestHttp = true 7 int finalI = i;
8 enterEnable( 9
10 (fileList.get(finalI).isUpload()) {
11 netUpload(finalI + 1 12 } 13
14 RequestBody requestBody = MultipartBody.Builder()
.setType(MultipartBody.FORM)
16 .addFormDataPart("mstjson",msg) 其他信息
17 .addFormDataPart("file" 18 RequestBody.create(MediaType.parse("application/octet-stream"),file))文件
19 .build();
20 Request request = Request.Builder()
21 .url(uploadPic---这里是图片上传的地址).post(requestBody)
22 23 okHttpClient.newCall(request).enqueue( UICallBack() {
24 @Override
25 onFailureUI(Call call,IOException e) {
26 showShortToast("连接服务器失败" 27 isRequestHttp = 28 enterEnable( 29
30 31
32 33 onResponseUI(Call call,Response response) {
34 35
36 isRequestHttp = 38 String result = response.body().string();
39 Utils.log("上传图片结果：" + result);
40
42 response.isSuccessful()) {
43 Utils.log("响应失败：" + response.code());
44 showShortToast("响应失败：" + 45 enterEnable( 46
47 48 }
49 if (result.equals("{}")) {
50 showShortToast("获取服务端数据为空" 51 enterEnable( 52
53 55 JSONObject jsonObject = JSONObject(result);
56 if (jsonObject.getString("IsError").equals("true" 57 showShortToast(jsonObject.getString("ErrMsg" 58 enterEnable( 59
60 } 61 String Data = jsonObject.getString("Data" 62 fileList.get(finalI).setPg(100 63 fileList.get(finalI).setUpload( 64 adapter.notifyDataSetChanged();
66 if (finalI == fileList.size() - 1 67 showShortToast("上传成功！" 68
69 btnEnter.setText("已上传" 70
71 } 72 netUpload((finalI + 1),1)"> }
74
75 76 } 77 isRequestHttp = 78 hideLoadingDialog();
79 showShortToast("上传凭证发生异常！" 80 LogToFile.e("上传凭证发生异常，" + e);
81 enterEnable( 82
}
84 85 });
86
87 }
89 } 90 isRequestHttp = 91 hideLoadingDialog();
93 showShortToast("上传图片请求异常！" 94 LogToFile.e("上传图片请求异常，" + 95 enterEnable( 96
97 101 用来提示用户文件上传的情况。同时也是避免同时反复操作
void enterEnable( isEnabled) {
103 (isEnabled) {
104 btnEnter.setText("重新上传"105 btnEnter.setEnabled( btnEnter.setBackgroundResource(R.drawable.selecter_button);
btnEnter.setTextColor(getResources().getColor(R.color.inButtonText));
109 } 110 btnEnter.setText("正在上传···"111 btnEnter.setEnabled( btnEnter.setBackgroundResource(R.drawable.buttonshap);
113 btnEnter.setTextColor(getResources().getColor(R.color.outButtonText));
114 115 }
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