//設(shè)置返回碼：標(biāo)識本地圖庫   private static final int RESULT_IMAGE=100;   //設(shè)置MIME碼：表示image所有格式的文件均可   private static final String IMAGE_TYPE="image/*";   //實(shí)例化Intent,傳入ACTION_PICK,表示從Item中選取一個(gè)數(shù)據(jù)返回   Intent intent=new Intent(Intent.ACTION_PICK,null);    //設(shè)置Data和Type屬性，前者是URI：表示系統(tǒng)圖庫的URI,后者是MIME碼   intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,IMAGE_TYPE);   //啟動這個(gè)intent所指向的Activity   startActivityForResult(intent,RESULT_IMAGE); 

//設(shè)置返回碼：標(biāo)志照相機(jī)拍攝   private static final int RESULT_CAMERA=200;   //設(shè)置一個(gè)臨時(shí)路徑，保存所拍的照片   private static String TEMP_IMAGE_PATH;   //獲取該路徑   TEMP_IMAGE_PATH= Environment.getExternalStorageDirectory().getPath()+"/temp.png";   //傳入ACTION_IMAGE_CAPTURE:該action指向一個(gè)照相機(jī)app   Intent intent1=new Intent(MediaStore.ACTION_IMAGE_CAPTURE);   //創(chuàng)建File并獲取它的URI值   Uri photoUri=Uri.fromFile(new File(TEMP_IMAGE_PATH));   //MediaStore.EXTRA_OUTPUT為字符串"output"，即將該鍵值對放進(jìn)intent中   intent1.putExtra(MediaStore.EXTRA_OUTPUT,photoUri);   startActivityForResult(intent1,RESULT_CAMERA); 

@Override   protected void onActivityResult(int requestCode, int resultCode, Intent data) {     super.onActivityResult(requestCode, resultCode, data);     if(resultCode==RESULT_OK){       if(requestCode==RESULT_IMAGE&&data!=null){         //相冊         //通過獲取當(dāng)前應(yīng)用的contentResolver對象來查詢返回的data數(shù)據(jù)         Cursor cursor=this.getContentResolver().query(data.getData(),null,null,null,null);         //將cursor指針移動到數(shù)據(jù)首行         cursor.moveToFirst();         //獲取字段名為_data的數(shù)據(jù)         String imagePath=cursor.getString(cursor.getColumnIndex("_data"));         //設(shè)置一個(gè)intent         Intent intent=new Intent(MainActivity.this,ResultActvity.class);         //傳入所獲取的圖片的路徑         intent.putExtra("mPicPath",imagePath);         //銷毀cursor對象，釋放資源         cursor.close();         startActivity(intent);       }else if(requestCode==RESULT_CAMERA){         //相機(jī)         Intent intent=new Intent(MainActivity.this,ResultActvity.class);         //由于拍照的時(shí)候設(shè)置了一個(gè)保存路徑，所以直接放入該路徑         intent.putExtra("mPicPath",TEMP_IMAGE_PATH);         startActivity(intent);       }     }   } 

public class ResultActvity extends Activity {   private ImageView imageView;   @Override   protected void onCreate(Bundle savedInstanceState) {     super.onCreate(savedInstanceState);     setContentView(R.layout.result);     imageView= (ImageView) findViewById(R.id.image);     Intent intent=getIntent();     String picPath=intent.getStringExtra("mPicPath");     Bitmap bitmap=BitmapFactory.decodeFile(picPath);     imageView.setImageBitmap(bitmap);    } }