Android 拍照上传与选择文件上传至服务器

Android 拍照上传与选择文件上传至服务器

源码下载： 

https://github.com/kkman2008/androidbrowseuploadfile

项目演示及讲解 

优酷  http://v.youku.com/v_show/id_XODk5NjkwOTg4.html​

爱奇艺  http://www.iqiyi.com/w_19rs1v2m15.html#vfrm=8-7-0-1

土豆 http://www.tudou.com/programs/view/fv0H93IHfhM

 

​大家在调试的同时一定要注意

1、网络下载、上传这些操作，就是耗时的操作，要另外开线程操作，不能放到主线程里面。

2、网络下载、上传里面不能有ui操作,不能在里面显示ui。就是不能在子线程里面操作UI。如果操作完毕ui提示用户等操作，可以使用利用handler结合Thread更新UI，或者AsyncTask异步更新UI。

3、上传到本地Tomcat服务器，要关闭防火墙

接下来将给出两个项目部分代码，当然两个项目都有一个工具类HttpPost

 

1. public class HttpPost {

2. /**

3. * 通过拼接的方式构造请求内容，实现参数传输以及文件传输

4. *

5. * @param acti

6. * .nUrl

7. * @param params

8. * @param files

9. * @return

10. * @throws IOException

11. */

12. public static String post(String actionUrl, Map params, Map files) throws IOException {

13.  

14. String BOUNDARY = java.util.UUID.randomUUID().toString();

15. String PREFIX = "--", LINEND = "\r\n";

16. String MULTIPART_FROM_DATA = "multipart/form-data";

17. String CHARSET = "UTF-8";

18.  

19. URL uri = new URL(actionUrl);

20. HttpURLConnection conn = (HttpURLConnection) uri.openConnection();

21. conn.setReadTimeout(5 * 1000); // 缓存的最长时间

22. conn.setDoInput(true);// 允许输入

23. conn.setDoOutput(true);// 允许输出

24. conn.setUseCaches(false); // 不允许使用缓存

25. conn.setRequestMethod("POST");

26. conn.setRequestProperty("connection", "keep-alive");

27. conn.setRequestProperty("Charsert", "UTF-8");

28. conn.setRequestProperty("Content-Type", MULTIPART_FROM_DATA + ";boundary=" + BOUNDARY);

29.  

30. // 首先组拼文本类型的参数

31. StringBuilder sb = new StringBuilder();

32. for (Map.Entry entry : params.entrySet()) {

33. sb.append(PREFIX);

34. sb.append(BOUNDARY);

35. sb.append(LINEND);

36. sb.append("Content-Disposition: form-data; name=\"" + entry.getKey() + "\"" + LINEND);

37. sb.append("Content-Type: text/plain; charset=" + CHARSET + LINEND);

38. sb.append("Content-Transfer-Encoding: 8bit" + LINEND);

39. sb.append(LINEND);

40. sb.append(entry.getValue());

41. sb.append(LINEND);

42. }

43.  

44. DataOutputStream outStream = new DataOutputStream(conn.getOutputStream());

45. outStream.write(sb.toString().getBytes());

46. // 发送文件数据

47. if (files != null)

48. for (Map.Entry file : files.entrySet()) {

49. StringBuilder sb1 = new StringBuilder();

50. sb1.append(PREFIX);

51. sb1.append(BOUNDARY);

52. sb1.append(LINEND);

53. sb1.append("Content-Disposition: form-data; name=\"file\"; filename=\"" + file.getKey() + "\"" + LINEND);

54. sb1.append("Content-Type: application/octet-stream; charset=" + CHARSET + LINEND);

55. sb1.append(LINEND);

56. outStream.write(sb1.toString().getBytes());

57.  

58. InputStream is = new FileInputStream(file.getValue());

59. byte[] buffer = new byte[1024];

60. int len = 0;

61. while ((len = is.read(buffer)) != -1) {

62. outStream.write(buffer, 0, len);

63. }

64.  

65. is.close();

66. outStream.write(LINEND.getBytes());

67. }

68.  

69. // 请求结束标志

70. byte[] end_data = (PREFIX + BOUNDARY + PREFIX + LINEND).getBytes();

71. outStream.write(end_data);

72. outStream.flush();

73. // 得到响应码

74. int res = conn.getResponseCode();

75. InputStream in = conn.getInputStream();

76. if (res == 200) {

77. int ch;

78. StringBuilder sb2 = new StringBuilder();

79. while ((ch = in.read()) != -1) {

80. sb2.append((char) ch);

81. }

82. }

83. outStream.close();

84. conn.disconnect();

85. return in.toString();

86.  

87. }

88.  

89. }

这个工具类两个项目所共有

接下来是拍照上传至服务器的主要代码（界面代码不再给出）

 

1. public class MainActivity extends Activity {

2.  

3. private static final int PHOTO_CAPTURE = 0x11;

4. private static String photoPath = "/sdcard/AnBo/";

5. private static String photoName = photoPath + "laolisb.jpg";

6. Uri imageUri = Uri.fromFile(new File(Environment.getExternalStorageDirectory(), "image.jpg"));//第二个参数是临时文件，在后面将会被修改

7. private Button photo, sc_photo;//拍照与下载

8. private ImageView img_photo;//显示图片

9. //private String newName = "laoli.jpg";

10. /*

11. * 这里的代码应该有问题

12. */

13. private String uploadFile = "/sdcard/AnBo/laolisb.jpg";

14. private String actionUrl = "http://192.168.0.104:8080/UploadPhoto1/UploadServlet";

15. // private String actionUrl = "http://192.168.0.104:8080/File/UploadAction";

16.  

17. @Override

18. protected void onCreate(Bundle savedInstanceState) {

19. super.onCreate(savedInstanceState);

20. setContentView(R.layout.activity_main);

21. photo = (Button) findViewById(R.id.photo);

22. sc_photo = (Button) findViewById(R.id.sc_photo);

23. img_photo = (ImageView) findViewById(R.id.imt_photo);

24.  

25. /*

26. * android.os.NetworkOnMainThreadException

27. * 耗时操作，加如下代码，可在主线程中进行，但不推荐

28. */

29. // StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder().detectDiskReads().detectDiskWrites().detectNetwork().penaltyLog().build());

30. // StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder().detectLeakedSqlLiteObjects().penaltyLog().penaltyDeath().build());

31. sc_photo.setOnClickListener(new Sc_photo());

32. photo.setOnClickListener(new Photo());

33. }

34.  

35. class Sc_photo implements View.OnClickListener {

36.  

37. @Override

38. public void onClick(View arg0) {

39. dialog();

40. }

41. }

42.  

43. class Photo implements View.OnClickListener {

44.  

45. @Override

46. public void onClick(View v) {

47.  

48. Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");

49. //"/sdcard/AnBo/";

50. File file = new File(photoPath);

51. if (!file.exists()) { // 检查图片存放的文件夹是否存在

52. file.mkdir(); // 不存在的话 创建文件夹

53. }

54. //photoPath + "laolisb.jpg"

55. File photo = new File(photoName);

56. imageUri = Uri.fromFile(photo);

57. // 这样就将文件的存储方式和uri指定到了Camera应用中

58. intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);

59. startActivityForResult(intent, PHOTO_CAPTURE);

60. }

61. }

62.  

63. @Override

64. protected void onActivityResult(int requestCode, int resultCode, Intent data) {

65. // TODO Auto-generated method stub

66. super.onActivityResult(requestCode, resultCode, data);

67. String sdStatus = Environment.getExternalStorageState();

68. switch (requestCode) {

69. case PHOTO_CAPTURE:

70. if (!sdStatus.equals(Environment.MEDIA_MOUNTED)) {

71. Log.i("内存卡错误", "请检查您的内存卡");

72. } else {

73. BitmapFactory.Options op = new BitmapFactory.Options();

74. // 设置图片的大小

75. Bitmap bitMap = BitmapFactory.decodeFile(photoName);

76. int width = bitMap.getWidth();

77. int height = bitMap.getHeight();

78. // 设置想要的大小

79. int newWidth = 480;

80. int newHeight = 640;

81. // 计算缩放比例

82. float scaleWidth = ((float) newWidth) / width;

83. float scaleHeight = ((float) newHeight) / height;

84. // 取得想要缩放的matrix参数

85. Matrix matrix = new Matrix();

86. matrix.postScale(scaleWidth, scaleHeight);

87. // 得到新的图片

88. bitMap = Bitmap.createBitmap(bitMap, 0, 0, width, height, matrix, true);

89.  

90. // canvas.drawBitmap(bitMap, 0, 0, paint)

91. // 防止内存溢出

92. op.inSampleSize = 4; // 这个数字越大,图片大小越小.

93.  

94. Bitmap pic = null;

95. pic = BitmapFactory.decodeFile(photoName, op);

96. img_photo.setImageBitmap(pic); // 这个ImageView是拍照完成后显示图片

97. FileOutputStream b = null;

98. ;

99. try {

100. b = new FileOutputStream(photoName);

101. } catch (FileNotFoundException e) {

102. e.printStackTrace();

103. }

104. if (pic != null) {

105. pic.compress(Bitmap.CompressFormat.JPEG, 50, b);

106. }

107. }

108. break;

109. default:

110. return;

111. }

112. }

113.  

114. protected void dialog() {

115.  

116. AlertDialog.Builder builder = new Builder(MainActivity.this);

117. builder.setMessage("确认上传图片吗？");

118.  

119. builder.setTitle("提示");

120.  

121. builder.setPositiveButton("确认", new OnClickListener() {

122.  

123. @Override

124. public void onClick(DialogInterface dialog, int which) {

125. new Thread(new Runnable() {

126.  

127. @Override

128. public void run() {

129. uploadPhoto();

130. //uploadFile();

131. }

132. }).start();

133. }

134. });

135. builder.setNegativeButton("取消", new OnClickListener() {

136.  

137. @Override

138. public void onClick(DialogInterface dialog, int which) {

139. dialog.dismiss();

140. }

141. });

142. builder.create().show();

143. }

144.  

145. //第二种上传方式

146. public void uploadPhoto() {

147.  

148. Map params = new HashMap();

149. params.put("strParamName", "strParamValue");

150. Map files = new HashMap();

151. files.put(System.currentTimeMillis()+".jpg", new File(uploadFile));//uploadFile = "/sdcard/AnBo/laolisb.jpg";

152. try {

153. String str = HttpPost.post(actionUrl, params, files);

154. System.out.println("str--->>>" + str);

155. } catch (Exception e) {

156. }

157. }

158.  

159. /* 显示Dialog的method */

160. private void showDialog(String mess) {

161. new AlertDialog.Builder(MainActivity.this).setTitle("提示").setMessage(mess).setNegativeButton("确定", new DialogInterface.OnClickListener() {

162. public void onClick(DialogInterface dialog, int which) {

163. }

164. }).show();

165. }

166.  

167. }

以上就是拍照上传至服务器的主要代码，接下来是选择文件上传至服务器主要代码

界面布局

三个xml代码给出

activity_file_upload.xml

 

3. android:layout_width="fill_parent"

4. android:layout_height="fill_parent"

5. android:orientation="vertical" >

6.  

8. android:layout_width="fill_parent"

9. android:layout_height="40dp"

10. android:layout_gravity="center"

11. android:background="#ededed"

12. android:gravity="center_vertical"

13. android:paddingLeft="10dip"

14. android:paddingRight="10dip" >

15.  

17. android:id="@+id/cancel"

18. android:layout_width="wrap_content"

19. android:layout_height="wrap_content"

20. android:layout_weight="1"

21. android:background="@drawable/selector_message_button"

22. android:gravity="center"

23. android:padding="5dip"

24. android:text="@string/cancel_back"

25. android:textColor="@color/tab_indicator" />

26.  

28. android:id="@+id/title"

29. android:layout_width="0dip"

30. android:layout_height="fill_parent"

31. android:layout_weight="10"

32. android:gravity="center"

33. android:text="@string/upload_title"

34. android:textColor="@color/blank" />

35.  

37. android:id="@+id/upload"

38. android:layout_width="wrap_content"

39. android:layout_height="wrap_content"

40. android:layout_weight="1"

41. android:background="@drawable/selector_message_button"

42. android:gravity="center"

43. android:padding="5dip"

44. android:text="@string/upload_begin"

45. android:textColor="@color/tab_indicator" />

47.  

49. android:layout_width="match_parent"

50. android:layout_height="match_parent"

51. android:background="#ffffff" >

52.  

54. android:layout_width="fill_parent"

55. android:layout_height="fill_parent"

56. android:gravity="center"

57. android:orientation="vertical" >

58.  

60. android:layout_width="fill_parent"

61. android:layout_height="40dp"

62. android:layout_marginLeft="10dip"

63. android:layout_marginRight="10dip"

64. android:gravity="center"

65. android:orientation="horizontal" >

66.  

68. android:layout_width="wrap_content"

69. android:layout_height="40dp"

70. android:gravity="right|center_vertical"

71. android:text="@string/file_upload" />

72.  

74. android:id="@+id/file_path"

75. android:layout_width="match_parent"

76. android:layout_height="40dp"

77. android:focusable="false"

78. android:focusableInTouchMode="false"

79. android:singleLine="true"

80. android:gravity="center_vertical"

81. android:inputType="text" />

83.  

85. android:id="@+id/buttonLoadPicture"

86. android:layout_width="100dip"

87. android:layout_height="30dip"

88. android:layout_gravity="center"

89. android:layout_marginBottom="10dip"

90. android:layout_marginTop="30dip"

91. android:background="@drawable/selector_message_button"

92. android:text="@string/look_pictrue" >

95.  

97. android:layout_width="match_parent"

98. android:layout_height="match_parent"

99. android:background="#00000000" >

100.  

102. android:id="@+id/show"

103. android:layout_width="fill_parent"

104. android:layout_height="fill_parent"

105. android:background="#30000000"

106. android:gravity="center"

107. android:visibility="gone" >

108.  

110. android:id="@+id/show_pb"

111. android:layout_width="30dip"

112. android:layout_height="30dip"

113. android:indeterminateDrawable="@drawable/progressbar" />

117.  

activity_fileupload.xml

 

2. xmlns:tools="http://schemas.android.com/tools"

3. android:layout_width="match_parent"

4. android:layout_height="match_parent"

5. android:paddingBottom="@dimen/activity_vertical_margin"

6. android:paddingLeft="@dimen/activity_horizontal_margin"

7. android:paddingRight="@dimen/activity_horizontal_margin"

8. android:paddingTop="@dimen/activity_vertical_margin"

9. tools:context=".MainActivity" >

10.  

12. android:id="@+id/currPath"

13. android:layout_width="wrap_content"

14. android:layout_height="wrap_content" />

15.  

17. android:id="@android:id/list"

18. android:layout_width="match_parent"

19. android:layout_height="match_parent"

20. android:layout_below="@+id/currPath" >

22.  

item_fileuplaod.xml

 

3. android:layout_width="match_parent"

4. android:layout_height="match_parent"

5. android:orientation="horizontal"

6. android:gravity="center_vertical">

7.  

9. android:id="@+id/adapter_icon"

10. android:layout_width="wrap_content"

11. android:layout_height="wrap_content"

12. android:layout_margin="10dp" />

13.  

15. android:id="@+id/adapter_txt"

16. android:layout_width="wrap_content"

17. android:layout_height="wrap_content"

18. android:layout_marginLeft="20dp"

19. />

FileSelectActivity.class

 

1. public class FileSelectActivity extends ListActivity {

2. private static final String root = new String(Environment

3. .getExternalStorageDirectory().getPath() + File.separator);

4. private TextView tv;// 显示文件的目录

5. private File[] files;

6.  

7. @Override

8. protected void onCreate(Bundle savedInstanceState) {

9. super.onCreate(savedInstanceState);

10. setContentView(R.layout.activity_fileupload);

11. tv = (TextView) findViewById(R.id.currPath);

12. getFiles(root);

13. }

14.  

15. public void getFiles(String path) {

16. tv.setText(path);

17. File f = new File(path);

18. // 得到所有子文件和文件夹

19. File[] tem = f.listFiles();

20. // 如果当前的目录不是在顶层目录，就把父目录要到files数组中的第一个

21. if (!path.equals(root)) {

22. files = new File[tem.length + 1];

23. System.arraycopy(tem, 0, files, 1, tem.length);

24. files[0] = f.getParentFile();

25. } else {

26. files = tem;

27. }

28. sortFilesByDirectory(files);

29. // 为ListActivity设置Adapter

30. setListAdapter(new Adapter(this, files, files.length == tem.length));

31. }

32.  

33. // 对文件进行排序

34. private void sortFilesByDirectory(File[] files) {

35. Arrays.sort(files, new Comparator() {

36. public int compare(File f1, File f2) {

37. return Long.valueOf(f1.length()).compareTo(f2.length());

38. }

39. });

40. }

41.  

42. @Override

43. protected void onListItemClick(ListView l, View v, int position, long id) {

44. File f = files[position];

45. if (!f.canRead()) {

46. Toast.makeText(this, "文件不可读", Toast.LENGTH_SHORT).show();

47. return;

48. }

49. if (f.isFile()) {// 为文件

50. String path = f.getAbsolutePath();

51. Intent intent = new Intent();

52. intent.putExtra("path", path);

53. setResult(FileUploadActivity.RESULT_LOAD_FILE, intent);

54. finish();

55. } else {

56. getFiles(f.getAbsolutePath());

57. }

58. }

59.  

60. class Adapter extends BaseAdapter {

61. private File[] files;

62. private boolean istop;

63. private Context context;

64.  

65. public Adapter(Context context, File[] files, boolean istop) {

66. this.context = context;

67. this.files = files;

68. this.istop = istop;

69. }

70.  

71. @Override

72. public int getCount() {

73. return files.length;

74. }

75.  

76. @Override

77. public Object getItem(int position) {

78. return files[position];

79. }

80.  

81. @Override

82. public long getItemId(int position) {

83. return position;

84. }

85.  

86. @Override

87. public View getView(int position, View convertView, ViewGroup parent) {

88. Holder holder = null;

89. if (convertView == null) {

90. holder = new Holder();

91. convertView = View.inflate(context, R.layout.item_fileupload,

92. null);

93. holder.iv = (ImageView) convertView

94. .findViewById(R.id.adapter_icon);

95. holder.tv = (TextView) convertView

96. .findViewById(R.id.adapter_txt);

97. convertView.setTag(holder);

98. } else {

99. holder = (Holder) convertView.getTag();

100. }

101. // 设置convertView中控件的值

102. setconvertViewRow(position, holder);

103. return convertView;

104. }

105.  

106. private void setconvertViewRow(int position, Holder holder) {

107. File f = files[position];

108. holder.tv.setText(f.getName());

109. if (!istop && position == 0) {// 不是在顶层目录

110. // 加载后退图标

111. holder.iv.setImageResource(R.drawable.back_up);

112. } else if (f.isFile()) {// 是文件

113. // 加载文件图标

114. holder.iv.setImageResource(R.drawable.file);

115. } else {// 文件夹

116. // 加载文件夹图标

117. holder.iv.setImageResource(R.drawable.dir);

118. }

119. }

120.  

121. class Holder {

122. private ImageView iv;

123. private TextView tv;

124. }

125. }

126. }

FileUploadActivity.class

 

1. public class FileUploadActivity extends Activity implements OnClickListener {

2.  

3. protected static final int SUCCESS = 2;

4. protected static final int FAILD = 3;

5. protected static int RESULT_LOAD_FILE = 1;

6. private TextView cancel;

7. private TextView upload;

8. private EditText pathView;

9. private Button buttonLoadImage;

10. private String picturePath;

11. private View show;

12.  

13. @Override

14. public void onCreate(Bundle savedInstanceState) {

15. super.onCreate(savedInstanceState);

16. setContentView(R.layout.activity_file_upload);

17. initView();

18. initData();

19. }

20.  

21. private Handler mHandler = new Handler(new Handler.Callback() {

22.  

23. @Override

24. public boolean handleMessage(Message msg) {

25. switch (msg.what) {

26.  

27. case SUCCESS:

28. show.setVisibility(View.INVISIBLE);

29. picturePath = "";

30. pathView.setText(picturePath);

31. Toast.makeText(getApplicationContext(), "上传成功！", Toast.LENGTH_LONG).show();

32. break;

33. case FAILD:

34. show.setVisibility(View.INVISIBLE);

35. Toast.makeText(getApplicationContext(), "上传失败！", Toast.LENGTH_LONG).show();

36. break;

37. default:

38. break;

39. }

40. return false;

41. }

42.  

43. });

44.  

45. private void initView() {

46. cancel = (TextView) findViewById(R.id.cancel);

47. upload = (TextView) findViewById(R.id.upload);

48. buttonLoadImage = (Button) findViewById(R.id.buttonLoadPicture);

49. cancel.setOnClickListener(this);

50. upload.setOnClickListener(this);

51. buttonLoadImage.setOnClickListener(this);

52. show = findViewById(R.id.show);

53. pathView = (EditText) findViewById(R.id.file_path);

54. pathView.setKeyListener(null);

55. }

56.  

57. private void initData() {

58. picturePath = "";

59. }

60.  

61. @Override

62. public void onClick(View v) {

63. switch (v.getId()) {

64. case R.id.cancel:

65. finish();

66. break;

67. case R.id.buttonLoadPicture:

68. Intent intent = new Intent(getApplicationContext(), FileSelectActivity.class);

69.  

70. startActivityForResult(intent, RESULT_LOAD_FILE);

71. break;

72. case R.id.upload:

73. uploadFile();

74. break;

75. default:

76. break;

77. }

78. }

79.  

80. @Override

81. protected void onActivityResult(int requestCode, int resultCode, Intent data) {

82. super.onActivityResult(requestCode, resultCode, data);

83. if (requestCode == RESULT_LOAD_FILE && resultCode == RESULT_LOAD_FILE && data != null) {

84. picturePath = data.getStringExtra("path");

85. pathView.setText(picturePath);

86. }

87. }

88. /******************************************************/

89. private String fun(String msg){

90. int i = msg.length();

91. int j = msg.lastIndexOf("/") + 1;

92.  

93. String a = msg.substring(j, i) ;

94. System.out.println(a);

95. return a;

96. }

97. /******************************************************/

98.  

99. private void uploadFile() {

100. show.setVisibility(View.VISIBLE);

101. new Thread() {

102. @Override

103. public void run() {

104.  

105. Message msg = Message.obtain();

106.  

107. // 服务器的访问路径

108. String uploadUrl = "http://192.168.0.104:8080/UploadPhoto1/UploadServlet";

109. Map files = new HashMap();

110.  

111. String name = fun(picturePath);

112. files.put(name, new File(picturePath));

113. //files.put("test.jpg", new File(picturePath));

114. Log.d("str--->>>", picturePath);

115. try {

116. String str = HttpPost.post(uploadUrl, new HashMap(), files);

117. System.out.println("str--->>>" + str);

118. msg.what = SUCCESS;

119. } catch (Exception e) {

120. msg.what = FAILD;

121. }

122. mHandler.sendMessage(msg);

123.  

124. }

125. }.start();

126. }

127.  

128. @Override

129. protected void onDestroy() {

130. show.setVisibility(View.INVISIBLE);

131. super.onDestroy();

132. }

133. }