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這是我的示例代碼，它將圖庫選擇的圖像保存到應用程序內存/data/data/com.isummation.customgallery/files/。但我想將文件路徑更改爲/data/data/com.isummation.customgallery/files/photos。我需要做什麼？我如何改變它？如何更改應用程序的默認存儲空間
package com.isummation.customgallery;
import com.database.DataBase;
public class AndroidCustomGalleryActivity extends Activity {
private int count;
private Bitmap[] thumbnails;
private boolean[] thumbnailsselection;
private String[] arrPath;
private ImageAdapter imageAdapter;
Cursor imagecursor;
int image_column_index;
Button selectBtn;
ProgressDialog myProgressDialog = null;
DataBase db;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.gallery);
showProgress();
new Thread() {
public void run() {
try
{
loadFeed();
android.os.Message alertMessage = new android.os.Message();
alertMessage.what = 1;
handle.sendMessage(alertMessage);
}
catch(Exception e)
{
android.os.Message alertMessage = new android.os.Message();
alertMessage.what = 2;
handle.sendMessage(alertMessage);
}
}
}.start();
selectBtn = (Button) findViewById(R.id.selectBtn);
selectBtn.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
showProgress();
new Thread() {
public void run() {
try
{
SelecedtPhotos();
android.os.Message alertMessage = new
android.os.Message();
alertMessage.what = 3;
handle.sendMessage(alertMessage);
}
catch(Exception e)
{
android.os.Message alertMessage = new
android.os.Message();
alertMessage.what = 2;
handle.sendMessage(alertMessage);
}
}
}.start();
}
});
}
public static byte[] getBitmapAsByteArray(Bitmap bitmap) {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
bitmap.compress(CompressFormat.PNG, 0, outputStream);
return outputStream.toByteArray();
}
public class ImageAdapter extends BaseAdapter {
private LayoutInflater mInflater;
public ImageAdapter() {
mInflater = (LayoutInflater)
getSystemService(Context.LAYOUT_INFLATER_SERVICE);
}
public int getCount() {
return count;
}
public Object getItem(int position) {
return position;
}
public long getItemId(int position) {
return position;
}
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder holder;
if (convertView == null) {
holder = new ViewHolder();
convertView = mInflater.inflate(R.layout.galleryitem,
null);
holder.imageview = (ImageView)
convertView.findViewById(R.id.thumbImage);
holder.checkbox = (CheckBox)
convertView.findViewById(R.id.itemCheckBox);
convertView.setTag(holder);
}
else
{
holder = (ViewHolder) convertView.getTag();
}
holder.checkbox.setId(position);
holder.imageview.setId(position);
holder.checkbox.setOnClickListener(new OnClickListener()
{
public void onClick(View v) {
// TODO Auto-generated method stub
CheckBox cb = (CheckBox) v;
int id = cb.getId();
if (thumbnailsselection[id])
{
cb.setChecked(false);
thumbnailsselection[id] = false;
}
else
{
cb.setChecked(true);
thumbnailsselection[id] = true;
}
}
});
/*holder.imageview.setOnClickListener(new OnClickListener()
{
public void onClick(View v) {
// TODO Auto-generated method stub
int id = v.getId();
Intent intent = new Intent();
intent.setAction(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.parse("file://" +
arrPath[id]), "image/*");
startActivity(intent);
}
});*/
holder.imageview.setImageBitmap(thumbnails[position]);
holder.checkbox.setChecked(thumbnailsselection[position]);
holder.id = position;
return convertView;
}
}
class ViewHolder {
ImageView imageview;
CheckBox checkbox;
int id;
}
public void loadFeed()
{
final String[] columns = { MediaStore.Images.Media.DATA,
MediaStore.Images.Media._ID };
final String orderBy = MediaStore.Images.Media._ID;
imagecursor = managedQuery(MediaStore.Images.Media.EXTERNAL_CONTENT_URI,
columns, null,null, orderBy);
image_column_index =
imagecursor.getColumnIndex(MediaStore.Images.Media._ID);
this.count = imagecursor.getCount();
this.thumbnails = new Bitmap[this.count];
this.arrPath = new String[this.count];
this.thumbnailsselection = new boolean[this.count];
for (int i = 0; i < this.count; i++)
{
imagecursor.moveToPosition(i);
int id = imagecursor.getInt(image_column_index);
int dataColumnIndex =
imagecursor.getColumnIndex(MediaStore.Images.Media.DATA);
thumbnails[i] =
MediaStore.Images.Thumbnails.getThumbnail
(getApplicationContext().getContentResolver(),
id,MediaStore.Images.Thumbnails.MICRO_KIND, null);
arrPath[i]= imagecursor.getString(dataColumnIndex);
}
imagecursor.close();
}
private void showProgress()
{
myProgressDialog =
ProgressDialog.show(AndroidCustomGalleryActivity.this,null,
"Loading Data...", true);
}
private void hideProgress()
{
if (myProgressDialog != null)
myProgressDialog.dismiss();
}
///////////////////// Get File Name from path ////////////////////////////
public String FileName(String path)
{
String f = " /";
boolean c = false;
for(int i=path.length()-1;i>0;i--)
{
if(c == false)
if(path.charAt(i) == f.charAt(1))
{
c = true;
return
path.substring(i+1,path.length());
}
}
return "";
}
///////////////////// Get Extension from path ////////////////////////////
public String fileExt(String audio)
{
String fileName = "";
String f = " .";
boolean c = false;
for(int i=audio.length()-1;i>0;i--)
{
if(c == false)
if(audio.charAt(i) == f.charAt(1))
{
fileName = audio.substring(i+1,audio.length());
c = true;
}
}
return fileName;
}
public void SelecedtPhotos()
{
final int len = thumbnailsselection.length;
// int cnt = 0;
for (int i =0; i<len; i++)
{
if (thumbnailsselection[i])
{
//cnt++;
BitmapFactory.Options options = new
BitmapFactory.Options();
options.inSampleSize = 8;
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
Bitmap bitmap = BitmapFactory.decodeFile(arrPath[i],
options);
try {
FileOutputStream outputStream =
openFileOutput(FileName(arrPath[i]), Context.MODE_PRIVATE);
outputStream.write(getBitmapAsByteArray(bitmap));
outputStream.close();
} catch (Exception e) {
e.printStackTrace();
}
db = new DataBase(getBaseContext());
try {
db.createDataBase();
} catch (IOException e1) {
e1.printStackTrace();
}
db.insert_update("INSERT INTO Photos(name,ext,path)
VALUES ('"+FileName(arrPath[i])+"','"+fileExt(arrPath[i])+"','"+arrPath[i]+"')");
db.close();
File file = new File(arrPath[i]);
boolean t = file.delete();
}
}
日Thnx是工作 –