这是我在两个文件夹mySDcard文件夹＆＃34; myfolder23＆＃34;中保存捕获图像时的源代码。还有移动默认图库我怎么能只保存在Sdcard文件夹＆＃34; myfolder＆＃34;不在移动默认文件夹中？或者如何从移动图库中删除只在SD卡中保存一份图像＆＃34; myfolder23＆＃34;任何想法???
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.Toast;
public class AddEditCountry extends Activity {
private long rowID;
private EditText nameEt;
private EditText capEt;
private EditText codeEt;
private EditText Donedate;
private EditText Notes;
private EditText Person;
private ImageView imageView1;
public static Bitmap yourSelectedImage = null;
public static byte[] blob = null;
private final int CAMERA_PICTURE = 1;
private final int GALLERY_PICTURE = 2;
private Intent pictureActionIntent = null;
public final String SDCARD_ROOT_PATH =
Environment.getExternalStorageDirectory().getAbsolutePath();
public final String SAVE_PATH_IN_SDCARD = "/myFolder23/";
public final String IMAGE_CAPTURE_NAME
="imgtemp"+System.currentTimeMillis()+".jpeg";
//public static byte[] blob = new byte[2048];
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.add_country);
nameEt = (EditText) findViewById(R.id.Address);
capEt = (EditText) findViewById(R.id.Stage);
codeEt = (EditText) findViewById(R.id.Dueby);
Donedate = (EditText) findViewById(R.id.Donedate);
Notes = (EditText) findViewById(R.id.Notes);
Person = (EditText) findViewById(R.id.Person);
imageView1 = (ImageView) findViewById(R.id.imageView1);
Button Browse = (Button) findViewById(R.id.Browse);
Browse.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
// Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
// intent.setType("image/*");
// startActivityForResult(intent, 0);
startDialog();
}
});
Bundle extras = getIntent().getExtras();
if (extras != null)
{
rowID = extras.getLong("row_id");
nameEt.setText(extras.getString("name"));
capEt.setText(extras.getString("cap"));
codeEt.setText(extras.getString("code"));
Donedate.setText(extras.getString("Location"));
Notes.setText(extras.getString("Notes"));
Person.setText(extras.getString("Person"));
}
Button saveButton =(Button) findViewById(R.id.saveBtn);
saveButton.setOnClickListener(new OnClickListener() {
public void onClick(View v)
{
if (nameEt.getText().length() != 0)
{
AsyncTask<Object, Object, Object> saveContactTask =
new AsyncTask<Object, Object, Object>()
{
@Override
protected Object doInBackground(Object... params)
{
saveContact();
return null;
}
@Override
protected void onPostExecute(Object result)
{
finish();
}
};
saveContactTask.execute((Object[]) null);
}
else
{
AlertDialog.Builder alert = new
AlertDialog.Builder(AddEditCountry.this);
alert.setTitle(R.string.errorTitle);
alert.setMessage(R.string.errorMessage);
alert.setPositiveButton(R.string.errorButton, null);
alert.show();
}
}
});
}
private void saveContact()
{
ByteArrayOutputStream outStr = new ByteArrayOutputStream();
yourSelectedImage.compress(CompressFormat.JPEG, 100, outStr);
blob = outStr.toByteArray();
DatabaseConnector dbConnector = new DatabaseConnector(this);
if (getIntent().getExtras() == null)
{
dbConnector.insertContact(nameEt.getText().toString(),
capEt.getText().toString(),
codeEt.getText().toString(),
Donedate.getText().toString(),
Notes.getText().toString(),
Person.getText().toString()
,blob
);
}
else
{
dbConnector.updateContact(rowID,
nameEt.getText().toString(),
capEt.getText().toString(),
codeEt.getText().toString(),
Donedate.getText().toString(),
Notes.getText().toString(),
Person.getText().toString()
, blob
);
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent
imageReturnedIntent) {
super.onActivityResult(requestCode, resultCode, imageReturnedIntent);
if (requestCode == GALLERY_PICTURE) {
Uri uri = imageReturnedIntent.getData();
if (uri != null) {
// User had pick an image.
Cursor cursor = getContentResolver().query(uri, new String[]
{ android.provider.MediaStore.Images.ImageColumns.DATA }, null, null, null);
cursor.moveToFirst();
final String imageFilePath = cursor.getString(0);
File photos = new File(imageFilePath);
yourSelectedImage = decodeFile(photos);
yourSelectedImage =
Bitmap.createScaledBitmap(yourSelectedImage, 150, 150, true);
imageView1.setImageBitmap(yourSelectedImage);
cursor.close();
}
else {
Toast toast = Toast.makeText(this, "No Image is selected.", Toast.LENGTH_LONG);
toast.show();
}
}
else if (requestCode == CAMERA_PICTURE) {
if (imageReturnedIntent.getExtras() != null) {
// here is the image from camera
yourSelectedImage = (Bitmap)
imageReturnedIntent.getExtras().get("data");
imageView1.setImageBitmap(yourSelectedImage);
}
}
}
private Bitmap decodeFile(File f) {
try {
// decode image size
BitmapFactory.Options o = new BitmapFactory.Options();
o.inJustDecodeBounds = true;
BitmapFactory.decodeStream(new FileInputStream(f), null, o);
// Find the correct scale value. It should be the power of 2.
final int REQUIRED_SIZE = 70;
int width_tmp = o.outWidth, height_tmp = o.outHeight;
int scale = 1;
while (true) {
if (width_tmp / 2 < REQUIRED_SIZE || height_tmp / 2 <
REQUIRED_SIZE)
break;
width_tmp /= 2;
height_tmp /= 2;
scale++;
}
// decode with inSampleSize
BitmapFactory.Options o2 = new BitmapFactory.Options();
o2.inSampleSize = scale;
return BitmapFactory.decodeStream(new FileInputStream(f), null,
o2);
}
catch (FileNotFoundException e) {
}
return null;
}
private void startDialog() {
AlertDialog.Builder myAlertDialog = new AlertDialog.Builder(this);
myAlertDialog.setTitle("Upload Pictures Option");
myAlertDialog.setMessage("How do you want to set your picture?");
myAlertDialog.setPositiveButton("Gallery", new
DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
pictureActionIntent = new Intent(Intent.ACTION_GET_CONTENT,
null);
pictureActionIntent.setType("image/*");
pictureActionIntent.putExtra("return-data", true);
startActivityForResult(pictureActionIntent, GALLERY_PICTURE);
}
});
myAlertDialog.setNegativeButton("Camera", new
DialogInterface.OnClickListener() {
public void onClick(DialogInterface arg0, int arg1) {
pictureActionIntent = new
Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
File dir = new File(Environment.getExternalStorageDirectory()
+ "/myFolder23");
if(dir.exists() && dir.isDirectory()) {
// do something here
}
else{
//create dir here
dir.mkdir();
}
Intent pictureActionIntent = new
Intent(MediaStore.ACTION_IMAGE_CAPTURE);
pictureActionIntent.putExtra(MediaStore.EXTRA_OUTPUT,
Uri.fromFile(new
File(SDCARD_ROOT_PATH +
SAVE_PATH_IN_SDCARD,IMAGE_CAPTURE_NAME)));
startActivityForResult(pictureActionIntent,CAMERA_PICTURE);
}
});
myAlertDialog.show();
}
}