android 拍照和上傳

怎麼把拍照好的圖片資料放到gallery中顯示又要儲存到sdcard上 

package com.droidstouch.takephoto;    import java.io.ByteArrayOutputStream;    import java.io.File;  import android.app.Activity;  import android.content.Intent;  import android.graphics.Bitmap;  import android.net.Uri;  import android.os.Bundle;  import android.os.Environment;  import android.provider.MediaStore;  import android.view.View;  import android.view.View.OnClickListener;  import android.widget.Button;  import android.widget.ImageView;    public class PhotoActivity extends Activity {      public static final int NONE = 0;        public static final int PHOTOHRAPH = 1;// 拍照        public static final int PHOTOZOOM = 2; // 縮放        public static final int PHOTORESOULT = 3;// 結果        public static final String IMAGE_UNSPECIFIED = "image/*";        ImageView imageView = null;        Button button0 = null;        Button button1 = null;        @Override      public void onCreate(Bundle savedInstanceState) {            super.onCreate(savedInstanceState);            setContentView(R.layout.photo);            imageView = (ImageView) findViewById(R.id.imageID);            button0 = (Button) findViewById(R.id.btn_01);            button1 = (Button) findViewById(R.id.btn_02);            button0.setOnClickListener(new OnClickListener() {                @Override              public void onClick(View v) {                    Intent intent = new Intent(Intent.ACTION_PICK, null);                    intent.setDataAndType(                          MediaStore.Images.Media.EXTERNAL_CONTENT_URI,                          IMAGE_UNSPECIFIED);                    startActivityForResult(intent, PHOTOZOOM);                }            });            button1.setOnClickListener(new OnClickListener() {                @Override              public void onClick(View v) {                    Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);                    intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(new File(                          Environment.getExternalStorageDirectory(), "temp.jpg")));                    startActivityForResult(intent, PHOTOHRAPH);                }            });        }        @Override      protected void onActivityResult(int requestCode, int resultCode, Intent data) {            if (resultCode == NONE)                return;            // 拍照            if (requestCode == PHOTOHRAPH) {                // 設定檔案儲存路徑這裡放在跟目錄下                File picture = new File(Environment.getExternalStorageDirectory()                      + "/temp.jpg");                startPhotoZoom(Uri.fromFile(picture));            }            if (data == null)                return;            // 讀取相簿縮放圖片            if (requestCode == PHOTOZOOM) {                startPhotoZoom(data.getData());            }            // 處理結果            if (requestCode == PHOTORESOULT) {                Bundle extras = data.getExtras();                if (extras != null) {                    Bitmap photo = extras.getParcelable("data");                    ByteArrayOutputStream stream = new ByteArrayOutputStream();                    photo.compress(Bitmap.CompressFormat.JPEG, 75, stream);// (0 -                                                                          // 100)壓縮檔                    imageView.setImageBitmap(photo);                }            }            super.onActivityResult(requestCode, resultCode, data);        }        public void startPhotoZoom(Uri uri) {            Intent intent = new Intent("com.android.camera.action.CROP");            intent.setDataAndType(uri, IMAGE_UNSPECIFIED);            intent.putExtra("crop", "true");            // aspectX aspectY 是寬高的比例            intent.putExtra("aspectX", 1);            intent.putExtra("aspectY", 1);            // outputX outputY 是裁剪圖片寬�?            intent.putExtra("outputX", 64);            intent.putExtra("outputY", 64);            intent.putExtra("return-data", true);            startActivityForResult(intent, PHOTORESOULT);        }  }