在我的代码上，用户可以选择“个人资料图片”用户从图库中选择图片（好的工作）调整大小和裁剪（好的工作）我在分享图片的路径时遇到问题，因为我必须在其他地方看到那张图片活动我想将完整路径保存在共享首选项上，但我有“找不到文件”的错误，但补丁是正确的。
对不起英文有完整的代码：（当我再次打开这个活动时，我有错误）
public class profilo extends Activity{
String nickname;
EditText nick;
ImageView prof;
ImageButton elisse;
AlertDialog.Builder builder;
private static int RESULT_LOAD_IMAGE = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.settings);
//codici relativi alla action bar
ActionBar ab = getActionBar();
ab.setHomeButtonEnabled(true);
ab.setDisplayHomeAsUpEnabled(true);
setTitle("Impostazioni utente");
getActionBar().setIcon(R.drawable.back);
//________________________________
updatePreferencesData();
ImageButton Foto = (ImageButton) findViewById(R.id.imageButton1);
Button salva = (Button) findViewById(R.id.buttonSalva);
Button password = (Button) findViewById(R.id.button1);
elisse= (ImageButton) findViewById(R.id.imageView1);
Switch facebook = (Switch) findViewById(R.id.switch1);
nick = (EditText) findViewById(R.id.editText1);
nickname = "temp";
prof= (ImageView) findViewById(R.id.imageView2);
View.OnClickListener gestore = new View.OnClickListener() {
public void onClick(View view) {
switch(view.getId()){
case R.id.imageButton1: //imposta foto profilo
Intent i = new Intent( Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(i, RESULT_LOAD_IMAGE);
break;
case R.id.buttonSalva: //salva il nickname e le altre impostazioni
nickname = nick.getText().toString();
Toast.makeText(getApplicationContext(), "Salvataggio non implementato", Toast.LENGTH_SHORT).show();
System.out.println("il nick name è " +nickname);
break;
case R.id.button1:
Intent intent = new Intent(getApplicationContext(), EditPassword.class);
startActivity(intent);
break;
case R.id.imageView1: //setto al click anche sulla foto del profilo, l'apertura della gallery (o lo zoom?? )
Intent b = new Intent( Intent.ACTION_PICK, android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
startActivityForResult(b, RESULT_LOAD_IMAGE);
break;
}
}
};
Foto.setOnClickListener(gestore);
salva.setOnClickListener(gestore);
password.setOnClickListener(gestore);
elisse.setOnClickListener(gestore);
}
//gestisco la grafica della barra
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// TODO Auto-generated method stub
MenuInflater mMenuInflater = getMenuInflater();
mMenuInflater.inflate(R.menu.barra_home, menu);
return true;
}
//gestisco i click sulla barra in alto
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
Intent intent = new Intent(this, MenuLoggato.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
return true;
/* case R.id.abForwardHoloLight:
Intent intent2 = new Intent(this, SearchActivity.class);
intent2.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent2);
return true; */
default:
return super.onOptionsItemSelected(item);
}
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK && null != data) {
Uri selectedImage = data.getData();
String[] filePathColumn = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(selectedImage, filePathColumn, null, null, null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
String picturePath = cursor.getString(columnIndex);
cursor.close();
// String picturePath contains the path of selected Image
//qui dovrei mandare l'immagine a saverio e poi ritagliarla
SharedPreferences prefs = getSharedPreferences("Preferenze", Context.MODE_PRIVATE);
SharedPreferences.Editor editor = prefs.edit();
// EditText outputView = (EditText) findViewById(R.id.inputData);
CharSequence textData = picturePath;
if (textData != null) {
editor.putString("path", ""+textData);
editor.commit();
}
//aggiorno le preferenze e prendo la foto
updatePreferencesData();
}
}
//metodo per tagliare l'immagine
public Bitmap getCroppedBitmap(Bitmap bitmap) {
int minore = 0;
//devo trovare il minore fra larghezza ed altezza e setto il raggio con quello
if( bitmap.getWidth()<=bitmap.getHeight()){
minore = bitmap.getWidth();
}else{
minore = bitmap.getHeight();
}
Bitmap output = Bitmap.createBitmap(minore, minore, Config.ARGB_8888);
Canvas canvas = new Canvas(output);
final int color = 0xff424242;
final Paint paint = new Paint();
//final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight());
final Rect rect = new Rect(0, 0, minore, minore);
paint.setAntiAlias(true);
canvas.drawARGB(0, 0, 0, 0);
paint.setColor(color);
// canvas.drawRoundRect(rectF, roundPx, roundPx, paint);
canvas.drawCircle(minore / 2, minore / 2, minore / 2, paint);
paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN));
canvas.drawBitmap(bitmap, rect, rect, paint);
//Bitmap _bmp = Bitmap.createScaledBitmap(output, 60, 60, false);
//return _bmp;
return output;
}
private void updatePreferencesData(){
// Leggiamo le Preferences
SharedPreferences prefs = getSharedPreferences("Preferenze", Context.MODE_PRIVATE);
// Leggiamo l'informazione associata alla proprietà TEXT_DATA
String textData = prefs.getString("path", "NO");
System.out.println("path:" + textData);
if(textData.equalsIgnoreCase("NO")==false){
try{ Bitmap profilo = BitmapFactory.decodeFile(textData);
profilo = getCroppedBitmap(profilo);
prof.setImageBitmap(profilo);
}catch(Exception e){
System.out.println("errore " +e);
}
}
else{
Toast.makeText(getApplicationContext(), "Modifica la foto con un click", Toast.LENGTH_SHORT).show();
}
}
}