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这是我的问题：无法解析构造 'arrayadapter（android.widget.adapterview.onitemselectedlistener，INT，java.util.ArrayList中的）'
public class captura_actividad extends Activity {
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyymmdd");
String date = dateFormat.format(new Date());
private final String ruta_fotos = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES) + "/CivilControl/" + date + "/";
private File file = new File(ruta_fotos);
private Button boton;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.captura_actividad);
final ImageButton boton_categoria_actividad = (ImageButton) findViewById(R.id.crearCapturaActividad);
boton_categoria_actividad.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Intent boton_intent_categoria_actividad = new Intent (captura_actividad.this, categoria_actividad.class);
startActivity(boton_intent_categoria_actividad);
}
});
// MANEJO SPINNER O SELECT CATEGORIA
Spinner spinnerCategoria = (Spinner) findViewById(R.id.spinnerCategoria);
// String[] dbNombreCategoria = {"a","b","c","d","e","f", "g", "h"};
crearBD usdbh = new crearBD (this, "civilControl", null, 1);
SQLiteDatabase db;
db = usdbh.getWritableDatabase();
String[] campos = new String[] {"_id","nombreCategoria"};
//String[] args = new String[] {""};
//Se ejecuta la consulta
Cursor c;
c = db.query("categoria", campos, null, null,null, null, null);
final ArrayList<String> dbNombreCategoria = new ArrayList<String>();
String categoria;
if(c.getCount()!=0){
if(c.moveToFirst()){
do{
categoria = c.getString(1);
dbNombreCategoria.add(categoria);
}while(c.moveToNext());
}
}
else{
dbNombreCategoria.add("No existen categorias");
}
spinnerCategoria.setAdapter(new ArrayAdapter<String>(this, simple_spinner_item, dbNombreCategoria));
spinnerCategoria.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> adapterView, View view, int position, long id)
{
/*******************************************/
Spinner spinnerActividad = (Spinner) findViewById(R.id.spinnerActividad);
// String[] dbNombreCategoria = {"a","b","c","d","e","f", "g", "h"};
final ArrayList<String> dbSpinnerActividad = new ArrayList<String>();
dbSpinnerActividad.add("si");
dbSpinnerActividad.add("ok");
spinnerActividad.setAdapter(new ArrayAdapter<String>(this, simple_spinner_item, dbSpinnerActividad));
spinnerActividad.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> adapterView, View view, int position, long id)
{
}
@Override
public void onNothingSelected(AdapterView<?> parent)
{
// vacio
}
});
/*******************************************/
}
@Override
public void onNothingSelected(AdapterView<?> parent)
{
// vacio
}
});
// FIN MANEJO SPINNER O SELECT CATEGORIA
// MANEJO SPINNER O SELECT ACTIVIDAD
Spinner spinnerActividad = (Spinner) findViewById(R.id.spinnerActividad);
String[] valoresActividad = {"a","b","c","d","e","f", "g", "h"};
spinnerActividad.setAdapter(new ArrayAdapter<String>(this, simple_spinner_item, valoresActividad));
spinnerActividad.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> adapterView, View view, int position, long id)
{
Toast.makeText(adapterView.getContext(), (String) adapterView.getItemAtPosition(position), Toast.LENGTH_SHORT).show();
}
@Override
public void onNothingSelected(AdapterView<?> parent)
{
// vacio
}
});
// FIN MANEJO SPINNER O SELECT ACTIVIDAD
// MANEJO CAMARA
boton = (Button) findViewById(R.id.btnTomaFoto);
//Si no existe crea la carpeta donde se guardaran las fotos
file.mkdirs();
//accion para el boton
boton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String file = ruta_fotos + getCode() + ".jpg";
File mi_foto = new File(file);
try {
mi_foto.createNewFile();
} catch (IOException ex) {
Log.e("ERROR ", "Error:" + ex);
}
//
Uri uri = Uri.fromFile(mi_foto);
//Abre la camara para tomar la foto
Intent cameraIntent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
//Guarda imagen
cameraIntent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
//Retorna a la actividad
startActivityForResult(cameraIntent, 0);
}
});
//====== FIN MANEJO CAMARA ======
}
/**
* Metodo privado que genera un codigo unico segun la hora y fecha del sistema
* @return photoCode
* */
@SuppressLint("SimpleDateFormat")
private String getCode()
{
SimpleDateFormat dateFormat = new SimpleDateFormat("yyyymmddhhmmss");
String date = dateFormat.format(new Date());
String photoCode = "pic_" + date;
return photoCode;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.captura, menu);
return true;
}
}
我已经进口了：
import android.annotation.SuppressLint;
import android.app.Activity;
import android.content.Intent;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import android.os.Bundle;
import android.os.Environment;
import android.provider.MediaStore;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.Spinner;
import android.widget.Toast;
import java.io.File;
import java.io.IOException;
import java.lang.reflect.Array;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import static android.R.layout.*;
而我得到这个错误：
cannot resolve constructor 'arrayadapter(android.widget.adapterview.onitemselectedlistener, int, java.util.arraylist)'
在这一行
spinnerActividad.setAdapter(new ArrayAdapter<String>(this, simple_spinner_item, dbSpinnerActividad));