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android照相及照片上传

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09/25
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Java代码

  1. package com.android.cist.camera.view;
  2. import java.io.ByteArrayOutputStream;
  3. import java.io.InputStream;
  4. import java.util.HashMap;
  5. import java.util.Map;
  6. import android.app.Activity;
  7. import android.app.AlertDialog;
  8. import android.content.ContentResolver;
  9. import android.content.DialogInterface;
  10. import android.content.Intent;
  11. import android.graphics.Bitmap;
  12. import android.graphics.BitmapFactory;
  13. import android.net.Uri;
  14. import android.os.Bundle;
  15. import android.os.Handler;
  16. import android.os.Message;
  17. import android.view.View;
  18. import android.view.View.OnClickListener;
  19. import android.widget.Button;
  20. import android.widget.EditText;
  21. import android.widget.ImageView;
  22. import android.widget.LinearLayout;
  23. import android.widget.Toast;
  24. import com.android.cist.R;
  25. import com.android.cist.network.HttpUtil;
  26. import com.android.cist.network.form.FormFile;
  27. import com.android.cist.network.form.HttpFormUtil;
  28. import com.android.cist.util.ApplicationUtil;
  29. import com.android.cist.util.ImageUtil;
  30. public class CameraActivity extends Activity implements OnClickListener{
  31. private ImageView preview;
  32. private EditText carNo;
  33. private EditText addres;
  34. private EditText type;
  35. private Button back;
  36. private Button submit;
  37. private Button capture;
  38. private Button reCapture;
  39. private OnClickListener imgViewListener;
  40. private Bitmap myBitmap;
  41. private byte[] mContent;
  42. private Handler handler;
  43. String returnString;
  44. private CalendarView happenDate;
  45. private static final int REQUEST_CAMERA = 1;
  46. private static final int REQUEST_CALENDAR = 2;
  47. @ Override
  48. public void onCreate ( Bundle savedInstanceState )
  49. {
  50. super.onCreate(savedInstanceState);
  51. setContentView(R.layout.camera);
  52. setUpViews();
  53. setUpListeners();
  54. ApplicationUtil.getInstance().addActivity(this);
  55. }
  56. @ Override
  57. protected void onActivityResult ( int requestCode , int resultCode , Intent data )
  58. {
  59. super.onActivityResult(requestCode, resultCode, data);
  60. ContentResolver resolver = getContentResolver();
  61. /**
  62. * 因为两种方式都用到了startActivityForResult方法，
  63. * 这个方法执行完后都会执行onActivityResult方法， 所以为了区别到底选择了那个方式获取图片要进行判断，
  64. * 这里的requestCode跟startActivityForResult里面第二个参数对应
  65. */
  66. if (requestCode == 0)
  67. {
  68. try
  69. {
  70. // 获得图片的uri
  71. Uri originalUri = data.getData();
  72. // 将图片内容解析成字节数组
  73. mContent = readStream(resolver.openInputStream(Uri.parse(originalUri.toString())));
  74. // 将字节数组转换为ImageView可调用的Bitmap对象
  75. myBitmap = getPicFromBytes(mContent, null);
  76. // //把得到的图片绑定在控件上显示
  77. preview.setImageBitmap(myBitmap);
  78. } catch ( Exception e )
  79. {
  80. System.out.println(e.getMessage());
  81. }
  82. } else if (requestCode == REQUEST_CAMERA){
  83. try
  84. {
  85. super.onActivityResult(requestCode, resultCode, data);
  86. Bundle extras = data.getExtras();
  87. myBitmap = (Bitmap) extras.get("data");
  88. ByteArrayOutputStream baos = new ByteArrayOutputStream();
  89. myBitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
  90. mContent = baos.toByteArray();
  91. } catch ( Exception e )
  92. {
  93. e.printStackTrace();
  94. }
  95. // 把得到的图片绑定在控件上显示
  96. preview.setImageBitmap(ImageUtil.toRoundCorner(myBitmap, 10));//把拍摄的照片转成圆角显示在预览控件上
  97. }else if(requestCode==REQUEST_CALENDAR){
  98. if(resultCode == RESULT_OK){
  99. happenDate.setCalendar(data.getIntExtra("year", 1900),
    data.getIntExtra("month", 0), data.getIntExtra("day", 1));
  100. }
  101. }
  102. }
  103. public static Bitmap getPicFromBytes ( byte[] bytes , BitmapFactory.Options opts )
  104. {
  105. if (bytes != null)
  106. if (opts != null)
  107. return BitmapFactory.decodeByteArray(bytes, 0, bytes.length, opts);
  108. else
  109. return BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
  110. return null;
  111. }
  112. public static byte[] readStream ( InputStream inStream ) throws Exception
  113. {
  114. byte[] buffer = new byte[1024];
  115. int len = -1;
  116. ByteArrayOutputStream outStream = new ByteArrayOutputStream();
  117. while ((len = inStream.read(buffer)) != -1)
  118. {
  119. outStream.write(buffer, 0, len);
  120. }
  121. byte[] data = outStream.toByteArray();
  122. outStream.close();
  123. inStream.close();
  124. return data;
  125. }
  126. @Override
  127. public void onClick(View v) {
  128. int id = v.getId();
  129. switch(id){
  130. case R.id.capture:{
  131. final CharSequence[] items =
  132. { "相册", "拍照" };
  133. AlertDialog dlg = new AlertDialog.Builder(CameraActivity.this).setTitle("选择图片").setItems(items,
  134. new DialogInterface.OnClickListener()
  135. {
  136. public void onClick ( DialogInterface dialog , int item )
  137. {
  138. // 这里item是根据选择的方式，
  139. // 在items数组里面定义了两种方式，拍照的下标为1所以就调用拍照方法
  140. if (item == 1){
  141. Intent getImageByCamera = new
    Intent("android.media.action.IMAGE_CAPTURE");
  142. startActivityForResult(getImageByCamera, REQUEST_CAMERA);
  143. } else{
  144. Intent getImage = new Intent(Intent.ACTION_GET_CONTENT);
  145. getImage.addCategory(Intent.CATEGORY_OPENABLE);
  146. getImage.setType("image/jpeg");
  147. startActivityForResult(getImage, 0);
  148. }
  149. }
  150. }).create();
  151. dlg.show();
  152. }
  153. break;
  154. /*case R.id.reCapture:{
  155. final CharSequence[] items =
  156. { "相册", "拍照" };
  157. AlertDialog dlg = new AlertDialog.Builder(CameraActivity.this).setTitle("选择图片").setItems(items,
  158. new DialogInterface.OnClickListener()
  159. {
  160. public void onClick ( DialogInterface dialog , int item )
  161. {
  162. // 这里item是根据选择的方式，
  163. // 在items数组里面定义了两种方式，拍照的下标为1所以就调用拍照方法
  164. if (item == 1)
  165. {
  166. Intent getImageByCamera = new
    Intent("android.media.action.IMAGE_CAPTURE");
  167. startActivityForResult(getImageByCamera, 1);
  168. } else
  169. {
  170. Intent getImage = new Intent(Intent.ACTION_GET_CONTENT);
  171. getImage.addCategory(Intent.CATEGORY_OPENABLE);
  172. getImage.setType("image/jpeg");
  173. startActivityForResult(getImage, 0);
  174. }
  175. }
  176. }).create();
  177. dlg.show();
  178. }
  179. break;*/
  180. case R.id.submit:{
  181. new PostThread().start();//开启线程提交数据
  182. }
  183. break;
  184. case R.id.back:{
  185. CameraActivity.this.finish();//返回，销毁当前Activity
  186. }
  187. break;
  188. default:
  189. break;
  190. }
  191. }
  192. }