Android 调用系统相机以及相册源码

转自http://blog.csdn.net/qq_16064871/article/details/45007469

Android 调用系统相机拍照、以及相册。完成之后图片是上传到app上。前面的功能已经测试过了。没有上传到服务器，因为我没服务器测试。但项目里面有个类可以参考上传图片到服务器，我就没测试了。接下来看代码，虽然注释写得少，但其作用看英文单词意思，又在或是查看调用。
项目源码下载地址:http://download.csdn.net/detail/qq_16064871/8585169

转载请注明出处: http://blog.csdn.net/qq_16064871

[java] view plaincopy
  1. package com.example.takephotodemo;  
  2.   
  3. import java.io.File;  
  4. import java.io.IOException;  
  5. import android.media.ExifInterface;  
  6. import android.net.Uri;  
  7. import android.os.Bundle;  
  8. import android.os.Environment;  
  9. import android.provider.MediaStore;  
  10. import android.app.Activity;  
  11. import android.content.Intent;  
  12. import android.database.Cursor;  
  13. import android.graphics.Bitmap;  
  14. import android.graphics.BitmapFactory;  
  15. import android.graphics.Matrix;  
  16. import android.view.Gravity;  
  17. import android.view.LayoutInflater;  
  18. import android.view.View;  
  19. import android.view.View.OnClickListener;  
  20. import android.widget.Button;  
  21. import android.widget.ImageView;  
  22. import android.widget.PopupWindow;  
  23. import android.widget.Toast;  
  24.   
  25. public class MainActivity extends Activity implements OnClickListener {  
  26.     private ImageView mimageViewPhotoShow;  
  27.     private PopupWindow mPopupWindow;  
  28.     private View mpopview;  
  29.     private Bitmap photo;  
  30.     private File mPhotoFile;  
  31.     private int CAMERA_RESULT = 100;  
  32.     private int RESULT_LOAD_IMAGE = 200;  
  33.     private String saveDir = Environment.getExternalStorageDirectory()  
  34.             .getPath() + "/temp_image";  
  35.   
  36.     @Override  
  37.     protected void onCreate(Bundle savedInstanceState) {  
  38.         super.onCreate(savedInstanceState);  
  39.         setContentView(R.layout.activity_main);  
  40.         InitUI();  
  41.     }  
  42.   
  43.     private void InitUI() {  
  44.         View buttonChoosePhoto = (Button) findViewById(R.id.buttonChoosePhoto);  
  45.         if (buttonChoosePhoto != null) {  
  46.             buttonChoosePhoto.setOnClickListener(this);  
  47.         }  
  48.   
  49.         mimageViewPhotoShow = (ImageView) findViewById(R.id.imageViewPhotoShow);  
  50.     }  
  51.   
  52.     @Override  
  53.     public void onClick(View arg0) {  
  54.         if (arg0.getId() == R.id.buttonChoosePhoto) {  
  55.             LayoutInflater inflater = LayoutInflater.from(this);  
  56.             mpopview = inflater.inflate(R.layout.layout_login_choose_photo,  
  57.                     null);  
  58.   
  59.             mPopupWindow = new PopupWindow(mpopview, 300, 400, true);  
  60.             mPopupWindow.setBackgroundDrawable(getResources().getDrawable(  
  61.                     R.drawable.tekephoto_dialog_background));  
  62.   
  63.             mPopupWindow.showAtLocation(mimageViewPhotoShow, Gravity.CENTER, 0,  
  64.                     0);  
  65.             Button mbuttonTakePhoto = (Button) mpopview  
  66.                     .findViewById(R.id.button_take_photo);  
  67.             Button mbuttonChoicePhoto = (Button) mpopview  
  68.                     .findViewById(R.id.button_choice_photo);  
  69.             Button mbuttonChoicecannce = (Button) mpopview  
  70.                     .findViewById(R.id.button_choice_cancer);  
  71.   
  72.             // 相册上传  
  73.             mbuttonChoicePhoto.setOnClickListener(new OnClickListener() {  
  74.                 @Override  
  75.                 public void onClick(View v) {  
  76.                     mPopupWindow.dismiss();  
  77.                     Intent i = new Intent(  
  78.                             Intent.ACTION_PICK,  
  79.                             android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);  
  80.                     startActivityForResult(i, RESULT_LOAD_IMAGE);  
  81.                 }  
  82.             });  
  83.   
  84.             File savePath = new File(saveDir);  
  85.             if (!savePath.exists()) {  
  86.                 savePath.mkdirs();  
  87.             }  
  88.   
  89.             // 拍照上传  
  90.             mbuttonTakePhoto.setOnClickListener(new OnClickListener() {  
  91.                 @Override  
  92.                 public void onClick(View v) {  
  93.                     mPopupWindow.dismiss();  
  94.                     destoryImage();  
  95.                     String state = Environment.getExternalStorageState();  
  96.                     if (state.equals(Environment.MEDIA_MOUNTED)) {  
  97.                         mPhotoFile = new File(saveDir, "temp.jpg");  
  98.                         mPhotoFile.delete();  
  99.                         if (!mPhotoFile.exists()) {  
  100.                             try {  
  101.                                 mPhotoFile.createNewFile();  
  102.                             } catch (IOException e) {  
  103.                                 e.printStackTrace();  
  104.                                 Toast.makeText(getApplication(), "照片创建失败!",  
  105.                                         Toast.LENGTH_LONG).show();  
  106.                                 return;  
  107.                             }  
  108.                         }  
  109.                         Intent intent = new Intent(  
  110.                                 "android.media.action.IMAGE_CAPTURE");  
  111.                         intent.putExtra(MediaStore.EXTRA_OUTPUT,  
  112.                                 Uri.fromFile(mPhotoFile));  
  113.                         startActivityForResult(intent, CAMERA_RESULT);  
  114.                     } else {  
  115.                         Toast.makeText(getApplication(), "sdcard无效或没有插入!",  
  116.                                 Toast.LENGTH_SHORT).show();  
  117.                     }  
  118.                 }  
  119.             });  
  120.   
  121.             mbuttonChoicecannce.setOnClickListener(new OnClickListener() {  
  122.                 @Override  
  123.                 public void onClick(View v) {  
  124.                     // TODO Auto-generated method stub  
  125.                     mPopupWindow.dismiss();  
  126.                 }  
  127.             });  
  128.         }  
  129.     }  
  130.   
  131.     @Override  
  132.     protected void onActivityResult(int requestCode, int resultCode, Intent data) {  
  133.         super.onActivityResult(requestCode, resultCode, data);  
  134.         if (requestCode == CAMERA_RESULT && resultCode == RESULT_OK) {  
  135.             if (mPhotoFile != null && mPhotoFile.exists()) {  
  136.                 BitmapFactory.Options bitmapOptions = new BitmapFactory.Options();  
  137.                 bitmapOptions.inSampleSize = 8;  
  138.                 int degree = readPictureDegree(mPhotoFile.getAbsolutePath());  
  139.                 Bitmap bitmap = BitmapFactory.decodeFile(mPhotoFile.getPath(),  
  140.                         bitmapOptions);  
  141.                 bitmap = rotaingImageView(degree, bitmap);  
  142.                 mimageViewPhotoShow.setImageBitmap(bitmap);  
  143.             }  
  144.         }  
  145.         if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK  
  146.                 && null != data) {  
  147.             Uri selectedImage = data.getData();  
  148.             String[] filePathColumn = { MediaStore.Images.Media.DATA };  
  149.   
  150.             Cursor cursor = getContentResolver().query(selectedImage,  
  151.                     filePathColumn, null, null, null);  
  152.             cursor.moveToFirst();  
  153.   
  154.             int columnIndex = cursor.getColumnIndex(filePathColumn[0]);  
  155.             String picturePath = cursor.getString(columnIndex);  
  156.             cursor.close();  
  157.   
  158.             mimageViewPhotoShow.setImageBitmap(BitmapFactory  
  159.                     .decodeFile(picturePath));  
  160.         }  
  161.     }  
  162.   
  163.     private static int readPictureDegree(String path) {  
  164.         int degree = 0;  
  165.         try {  
  166.             ExifInterface exifInterface = new ExifInterface(path);  
  167.             int orientation = exifInterface.getAttributeInt(  
  168.                     ExifInterface.TAG_ORIENTATION,  
  169.                     ExifInterface.ORIENTATION_NORMAL);  
  170.             switch (orientation) {  
  171.             case ExifInterface.ORIENTATION_ROTATE_90:  
  172.                 degree = 90;  
  173.                 break;  
  174.             case ExifInterface.ORIENTATION_ROTATE_180:  
  175.                 degree = 180;  
  176.                 break;  
  177.             case ExifInterface.ORIENTATION_ROTATE_270:  
  178.                 degree = 270;  
  179.                 break;  
  180.             }  
  181.         } catch (IOException e) {  
  182.             e.printStackTrace();  
  183.         }  
  184.         return degree;  
  185.     }  
  186.   
  187.     private static Bitmap rotaingImageView(int angle, Bitmap bitmap) {  
  188.         // 旋转图片 动作  
  189.         Matrix matrix = new Matrix();  
  190.         matrix.postRotate(angle);  
  191.         System.out.println("angle2=" + angle);  
  192.         // 创建新的图片  
  193.         Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0,  
  194.                 bitmap.getWidth(), bitmap.getHeight(), matrix, true);  
  195.         return resizedBitmap;  
  196.     }  
  197.   
  198.     @Override  
  199.     protected void onDestroy() {  
  200.         destoryImage();  
  201.         super.onDestroy();  
  202.     }  
  203.   
  204.     private void destoryImage() {  
  205.         if (photo != null) {  
  206.             photo.recycle();  
  207.             photo = null;  
  208.         }  
  209.     }  
  210. }  


activity_main.xml

[html] view plaincopy
  1. <?xml version="1.0" encoding="utf-8"?>  
  2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  
  3.     android:layout_width="match_parent"  
  4.     android:layout_height="match_parent"  
  5.     android:orientation="vertical" >  
  6.   
  7.     <ScrollView  
  8.         android:id="@+id/scrollView1"  
  9.         android:layout_width="match_parent"  
  10.         android:layout_height="wrap_content"  
  11.         android:layout_weight="1" >  
  12.   
  13.         <LinearLayout  
  14.             android:layout_width="match_parent"  
  15.             android:layout_height="match_parent"  
  16.             android:orientation="vertical"  
  17.             android:paddingTop="20dp" >  
  18.   
  19.             <LinearLayout  
  20.                 android:layout_width="match_parent"  
  21.                 android:layout_height="match_parent"  
  22.                 android:gravity="center"  
  23.                 android:orientation="vertical" >  
  24.   
  25.                 <ImageView  
  26.                     android:id="@+id/imageViewPhotoShow"  
  27.                     android:layout_width="150dp"  
  28.                     android:layout_height="150dp"  
  29.                     android:layout_weight="1" />  
  30.             </LinearLayout>  
  31.   
  32.             <LinearLayout  
  33.                 android:layout_width="match_parent"  
  34.                 android:layout_height="match_parent"  
  35.                 android:gravity="center"  
  36.                  android:paddingTop="20dp"  
  37.                 android:orientation="vertical" >  
  38.   
  39.                 <Button  
  40.                     android:id="@+id/buttonChoosePhoto"  
  41.                     android:layout_width="100dp"  
  42.                     android:layout_height="40dp"  
  43.                     android:background="@drawable/btn_takephoto_background"  
  44.                     android:text="选择头像"  
  45.                     android:textColor="#eee"  
  46.                     android:textSize="16sp" />  
  47.             </LinearLayout>  
  48.         </LinearLayout>  
  49.     </ScrollView>  
  50.   
  51. </LinearLayout>  


layout_login_choose_photo.xml

[html] view plaincopy
  1. <?xml version="1.0" encoding="utf-8"?>  
  2. <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"  
  3.     android:layout_width="fill_parent"  
  4.     android:layout_height="fill_parent"  
  5.     android:orientation="vertical" >  
  6.   
  7.     <TextView  
  8.         android:id="@+id/textchoice"  
  9.         android:layout_width="wrap_content"  
  10.         android:layout_height="40dp"  
  11.         android:layout_gravity="center_horizontal"  
  12.         android:gravity="center"  
  13.         android:text="请选择获取头像方式："  
  14.         android:textAppearance="?android:attr/textAppearanceMedium"  
  15.         android:textSize="16sp" />  
  16.   
  17.     <Button  
  18.         android:id="@+id/button_take_photo"  
  19.         android:layout_width="match_parent"  
  20.         android:layout_height="40dp"  
  21.         android:layout_marginLeft="10dp"  
  22.         android:layout_marginRight="10dp"  
  23.         android:layout_marginTop="5dp"  
  24.         android:background="@drawable/btn_takephoto_background"  
  25.         android:text="拍照"  
  26.         android:textColor="#eee"  
  27.         android:textSize="16sp" />  
  28.   
  29.     <Button  
  30.         android:id="@+id/button_choice_photo"  
  31.         android:layout_width="match_parent"  
  32.         android:layout_height="40dp"  
  33.         android:layout_marginLeft="10dp"  
  34.         android:layout_marginRight="10dp"  
  35.         android:layout_marginTop="10dp"  
  36.         android:background="@drawable/btn_takephoto_background"  
  37.         android:text="从相册选择"  
  38.         android:textColor="#eee"  
  39.         android:textSize="16sp" />  
  40.   
  41.     <Button  
  42.         android:id="@+id/button_choice_cancer"  
  43.         android:layout_width="match_parent"  
  44.         android:layout_height="40dp"  
  45.         android:layout_marginLeft="10dp"  
  46.         android:layout_marginRight="10dp"  
  47.         android:layout_marginTop="10dp"  
  48.         android:background="@drawable/btn_takephoto_background"  
  49.         android:text="取消"  
  50.         android:textColor="#eee"  
  51.         android:textSize="16sp" />  
  52.   
  53. </LinearLayout>  

NetUtil这个类，我也是参考网上的，没测试过。是图片上传服务器的。

[java] view plaincopy
  1. package com.example.takephotodemo;  
  2.   
  3. import java.io.BufferedReader;  
  4. import java.io.File;  
  5. import java.io.InputStream;  
  6. import java.io.InputStreamReader;  
  7. import java.util.ArrayList;  
  8. import java.util.List;  
  9. import java.util.Map;  
  10. import java.util.Set;  
  11. import org.apache.http.HttpEntity;  
  12. import org.apache.http.HttpResponse;  
  13. import org.apache.http.HttpStatus;  
  14. import org.apache.http.StatusLine;  
  15. import org.apache.http.client.HttpClient;  
  16. import org.apache.http.client.entity.UrlEncodedFormEntity;  
  17. import org.apache.http.client.methods.HttpGet;  
  18. import org.apache.http.client.methods.HttpPost;  
  19. import org.apache.http.entity.mime.MultipartEntity;  
  20. import org.apache.http.entity.mime.content.FileBody;  
  21. import org.apache.http.entity.mime.content.StringBody;  
  22. import org.apache.http.impl.client.DefaultHttpClient;  
  23. import org.apache.http.message.BasicNameValuePair;  
  24.   
  25. public class NetUtil {  
  26.     /** 
  27.      * 以POST方式提交表单 
  28.      *  
  29.      * @param url 
  30.      *            服务器路径 
  31.      * @param param 
  32.      *            参数键值对 
  33.      * @return 响应结果 
  34.      * @throws Exception 
  35.      */  
  36.     public static String doPost(String url, Map<String, Object> param)  
  37.             throws Exception {  
  38.         HttpClient client = new DefaultHttpClient();  
  39.         HttpPost post = new HttpPost(url);  
  40.         if (param != null && param.size() > 0) {  
  41.             List<BasicNameValuePair> nameValuePairs = new ArrayList<BasicNameValuePair>(  
  42.                     param.size());  
  43.             Set<String> keys = param.keySet();  
  44.             for (Object o : keys) {  
  45.                 String key = (String) o;  
  46.                 nameValuePairs.add(new BasicNameValuePair(key, String  
  47.                         .valueOf(param.get(key))));  
  48.             }  
  49.             post.setEntity(new UrlEncodedFormEntity(nameValuePairs, "utf-8"));  
  50.         }  
  51.         HttpResponse response = client.execute(post);  
  52.         /** 返回状态 **/  
  53.         int statusCode = response.getStatusLine().getStatusCode();  
  54.         StringBuffer sb = new StringBuffer();  
  55.         if (statusCode == HttpStatus.SC_OK) {  
  56.             HttpEntity entity = response.getEntity();  
  57.             if (entity != null) {  
  58.                 InputStream instream = entity.getContent();  
  59.                 BufferedReader br = new BufferedReader(new InputStreamReader(  
  60.                         instream));  
  61.                 String tempLine;  
  62.                 while ((tempLine = br.readLine()) != null) {  
  63.                     sb.append(tempLine);  
  64.                 }  
  65.             }  
  66.         }  
  67.         post.abort();  
  68.         return sb.toString();  
  69.     }  
  70.   
  71.     /** 
  72.      *  
  73.      *  
  74.      * @param url 
  75.      * @param param 
  76.      * @param file 
  77.      * @return  
  78.      * @throws Exception 
  79.      */  
  80.     private String doPost(String url, Map<String, String> param, File file)  
  81.             throws Exception {  
  82.         HttpPost post = new HttpPost(url);  
  83.   
  84.         HttpClient client = new DefaultHttpClient();  
  85.         MultipartEntity entity = new MultipartEntity();  
  86.         if (param != null && !param.isEmpty()) {  
  87.             for (Map.Entry<String, String> entry : param.entrySet()) {  
  88.                 entity.addPart(entry.getKey(), new StringBody(entry.getValue()));  
  89.             }  
  90.         }  
  91.         // 添加文件参数  
  92.         if (file != null && file.exists()) {  
  93.             entity.addPart("file", new FileBody(file));  
  94.         }  
  95.         post.setEntity(entity);  
  96.         HttpResponse response = client.execute(post);  
  97.         int stateCode = response.getStatusLine().getStatusCode();  
  98.         StringBuffer sb = new StringBuffer();  
  99.         if (stateCode == HttpStatus.SC_OK) {  
  100.             HttpEntity result = response.getEntity();  
  101.             if (result != null) {  
  102.                 InputStream is = result.getContent();  
  103.                 BufferedReader br = new BufferedReader(  
  104.                         new InputStreamReader(is));  
  105.                 String tempLine;  
  106.                 while ((tempLine = br.readLine()) != null) {  
  107.                     sb.append(tempLine);  
  108.                 }  
  109.             }  
  110.         }  
  111.         post.abort();  
  112.         return sb.toString();  
  113.     }  
  114.   
  115.     private String doGet(String url) {  
  116.         StringBuilder sb = new StringBuilder();  
  117.         try {  
  118.             HttpGet get = new HttpGet(url);  
  119.             // HttpPost post = new HttpPost(url);  
  120.   
  121.             HttpClient client = new DefaultHttpClient();  
  122.             HttpResponse response = client.execute(get);  
  123.             StatusLine state = response.getStatusLine();  
  124.             if (state.getStatusCode() == HttpStatus.SC_OK) {  
  125.                 HttpEntity eneity = response.getEntity();  
  126.                 BufferedReader br = new BufferedReader(new InputStreamReader(  
  127.                         eneity.getContent()));  
  128.                 String content;  
  129.                 while ((content = br.readLine()) != null) {  
  130.                     sb.append(content);  
  131.                 }  
  132.             }  
  133.             get.abort();  
  134.         } catch (Exception e) {  
  135.             e.printStackTrace();  
  136.             return sb.toString();  
  137.         }  
  138.         return sb.toString();  
  139.     }  
  140. }  

记得加入权限，权限主要是访问sd存储，以及调用系统相机，相册。上传服务器权限也有了。只是我没服务器测试。

[html] view plaincopy
  1. <uses-permission android:name="android.permission.CAMERA" />  
  2. <uses-permission android:name="android.permission.INTERNET" />  
  3. <uses-permission android:name="android.permission.VIBRATE" />  
  4. <uses-permission android:name="android.permission.INTERNET" />  
  5. <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />  
  6. <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />  


项目源码下载地址:http://download.csdn.net/detail/qq_16064871/8585169

转载请注明出处: http://blog.csdn.net/qq_16064871


posted on 2015-06-13 23:43  moffis  阅读(1256)  评论(0)  编辑  收藏  举报

导航