我收到了这个错误：
10-06 09:09:25.466:
E/not work(1300):
pass exceptionandroid.view.ViewRootImpl$CalledFromWrongThreadException: Only the original thread that created a view hierarchy can touch its views.
当我尝试禁用按钮时，我的Android项目传递错误。
if (success == 1) {
Log.i("enable", "working//////");
upload.setEnabled(true);
sendDeseaseDetails.setEnabled(false);
}else{
upload.setActivated(false);
sendDeseaseDetails.setEnabled(true);
}
以上代码运行时传递此错误。怎么了........？请帮帮我............
这是完整的代码：
package viewActivity;
//import java.io.Externalizable;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;
import com.src.adms.R;
import controller.DBConnection;
//import android.R.string;
import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.os.AsyncTask;
import android.os.Bundle;
//import android.text.Editable;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemSelectedListener;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageButton;
import android.widget.Spinner;
import android.widget.TextView;
import android.widget.Toast;
@SuppressLint("SimpleDateFormat")
public class Send_deases_Detail extends Activity {
Spinner diseaseSpinner; // disease type
Spinner weatherSpinner; // get weather
Spinner districSpinner; // get district
Spinner soilConditionSpinner; // get soil condition
ImageButton upload; // upload images
Button clear; // clear field
Button sendDeseaseDetails; // button send disease details
int success = 0; // use, to know disease details send successfully
private Bundle extraslogin; // to get username and password
private String userName;
@SuppressWarnings("unused")
private String password;
private String userType;
private int deases_id;
private String diseaseType;
private String weather;
private String soilCondition;
private String district;
private EditText plantName;
private EditText region;
private EditText userDescription;
private static final String SEND_DESEASE_URL = "http://10.0.2.2:80/ADMS/andrioidConnection/send_deases_detail.php";
// private static final String SEND_DESEASE_URL
// ="http://admstest.netau.net/ADMS/andrioidConnection/send_deases_detail.php";
private static final String TAG_SUCCESS = "success";
private static final String TAG_MESSAGE = "message";
private static final String TAG_USER_TYPE = "usertype";
private static final String TAG_DEASES_ID = "deases_id";
DBConnection dbConnection = new DBConnection();
private ProgressDialog dialogBox;
// private Object EditText;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.deases_detail);
// get user name and password form LoIin
extraslogin = getIntent().getExtras();
userName = extraslogin.getString("user_name");
password = extraslogin.getString("pass_word");
plantName = (EditText) findViewById(R.id.editPlantName);
diseaseSpinner = (Spinner) findViewById(R.id.diseaseTypeSpinner);
weatherSpinner = (Spinner) findViewById(R.id.weather_Spinner);
districSpinner = (Spinner) findViewById(R.id.district_Spinner);
soilConditionSpinner = (Spinner) findViewById(R.id.soil_condition_Spinner);
// get id of image upload button
upload = (ImageButton) findViewById(R.id.imagebtUpload);
//upload.setEnabled(false); // default set false
// get date
// ...................................................................................
Calendar calendar = Calendar.getInstance();
SimpleDateFormat simpleDateFormat = new SimpleDateFormat(
"d/M/yy h:m:s a");
String stringDate = simpleDateFormat.format(calendar.getTime());
TextView textView = (TextView) findViewById(R.id.txtDate);
textView.setText(stringDate);
// this for disease type spinner
ArrayAdapter<CharSequence> diseasearrArrayAdapter = ArrayAdapter
.createFromResource(this, R.array.diseaseType_array,
android.R.layout.simple_list_item_1);
diseasearrArrayAdapter
.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
diseaseSpinner.setAdapter(diseasearrArrayAdapter);
diseaseSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view,
int position, long id) {
((TextView) parent.getChildAt(0)).setTextSize(15);
// get selected item
diseaseType = parent.getSelectedItem().toString();
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
}
});
// this for weather type spinner
ArrayAdapter<CharSequence> weatherArrayAdapter = ArrayAdapter
.createFromResource(this, R.array.weather_array,
android.R.layout.simple_list_item_1);
weatherArrayAdapter
.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
weatherSpinner.setAdapter(weatherArrayAdapter);
weatherSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view,
int position, long id) {
((TextView) parent.getChildAt(0)).setTextSize(15);
// to get selected item
weather = parent.getSelectedItem().toString();
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
// TODO Auto-generated method stub
}
});
// this for district spinner
ArrayAdapter<CharSequence> districArrayAdapter = ArrayAdapter
.createFromResource(this, R.array.district_array,
android.R.layout.simple_list_item_1);
districArrayAdapter
.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
districSpinner.setAdapter(districArrayAdapter);
districSpinner.setOnItemSelectedListener(new OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view,
int position, long id) {
((TextView) parent.getChildAt(0)).setTextSize(15);
// get selected item
district = parent.getSelectedItem().toString();
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
// TODO Auto-generated method stub
}
});
// this for soil
// condition..........................................................................................................
ArrayAdapter<CharSequence> soilArrayAdapter = ArrayAdapter
.createFromResource(this, R.array.soil_array,
android.R.layout.simple_list_item_1);
soilArrayAdapter
.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
soilConditionSpinner.setAdapter(soilArrayAdapter);
soilConditionSpinner
.setOnItemSelectedListener(new OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent,
View view, int position, long id) {
((TextView) parent.getChildAt(0)).setTextSize(15);
// to get selected item
soilCondition = parent.getSelectedItem().toString();
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
// TODO Auto-generated method stub
}
});
// ..............................................................................
region = (EditText) findViewById(R.id.editRegion);
userDescription = (EditText) findViewById(R.id.editDescription);
// give action to send disease details
// button........................................................
sendDeseaseDetails = (Button) findViewById(R.id.btSendDetails);
sendDeseaseDetails.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
new sendDetail().execute();
}
});
// ..............................................................................
// give action to cancel
// button...................................................................
clear = (Button) findViewById(R.id.btCancel);
clear.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
clear();
//Toast.makeText(getApplicationContext(), "clear field",Toast.LENGTH_SHORT).show();
}
private void clear() {
plantName.setText("");
region.setText("");
userDescription.setText("");
upload.setEnabled(false);
sendDeseaseDetails.setEnabled(true);
weatherSpinner.setSelection(0);
soilConditionSpinner.setSelection(0);
districSpinner.setSelection(0);
diseaseSpinner.setSelection(0);
configureImageUploadButton();
}
});
clear.performClick();
}
// configure Image Upload Button......................................
private void configureImageUploadButton() {
// upload.setEnabled(true);
upload.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(getApplicationContext(), "click image button",
Toast.LENGTH_SHORT).show();
// pass data to image Take activity
Intent imageTakeActivity = new Intent(Send_deases_Detail.this,
ImageTakeActivity.class);
imageTakeActivity.putExtra("user_type", userType);
imageTakeActivity.putExtra("deases_id", deases_id);
success=0;
//enable();
// go to ImageTakeActivity
startActivity(imageTakeActivity);
finish();
}
});
}
// .................................................................................
protected void enable() {
if (success == 1) {
Log.i("enable", "working//////");
upload.setEnabled(true);
sendDeseaseDetails.setEnabled(false);
}else{
upload.setEnabled(false);
sendDeseaseDetails.setEnabled(true);
}
}
class sendDetail extends AsyncTask<String, String, String> {
// preprocessing part
@Override
protected void onPreExecute() {
// TODO Auto-generated method stub
super.onPreExecute();
dialogBox = new ProgressDialog(Send_deases_Detail.this);
dialogBox.setTitle("Processing...");
dialogBox.setMessage("Please wait...");
dialogBox.setIndeterminate(false);
dialogBox.setCancelable(true);
dialogBox.show();
}
// back ground run process
@Override
protected String doInBackground(String... args) {
String plant_name = plantName.getText().toString();
String region_name = region.getText().toString();
String user_discription = userDescription.getText().toString();
try {
// add first name, last name, Email & password to array list
ArrayList<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("user_name", userName));
// params.add(new BasicNameValuePair("pass_word", password));
params.add(new BasicNameValuePair("disease_type", diseaseType));
params.add(new BasicNameValuePair("weather", weather));
params.add(new BasicNameValuePair("soil_condition",
soilCondition));
params.add(new BasicNameValuePair("district", district));
params.add(new BasicNameValuePair("plant_name", plant_name));
params.add(new BasicNameValuePair("region _name", region_name));
params.add(new BasicNameValuePair("user_discription",
user_discription));
Log.d("request!", "starting");
// getting product details by making HTTP request
JSONObject json = dbConnection.createHttpRequest(
SEND_DESEASE_URL, "POST", params);
// check your register for json response
Log.d("Send detail attempt", json.toString());
// json success tag
success = json.getInt(TAG_SUCCESS);
deases_id = json.getInt(TAG_DEASES_ID);
userType = json.getString(TAG_USER_TYPE);
Log.d("deases_id", String.valueOf(deases_id));
if (success == 1) {
Log.d("Send Desease Detaiail Successful!", json.toString());
//configureImageUploadButton();//comment
Log.i("after!", "???pass configureImageUploadButton");
// configureImageUploadButton();
// finish();
// startActivity(i);
try {
enable(); // call to image button enable method
//finish();
} catch (Exception exception) {
Log.e("not work", "pass exception"+exception);
}
Log.i("work", "in back ground process......");
return json.getString(TAG_MESSAGE);
} else {
Log.d("Send detail fail!", json.getString(TAG_MESSAGE));
return json.getString(TAG_MESSAGE);
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
@Override
protected void onPostExecute(String result) {
// TODO Auto-generated method stub
super.onPostExecute(result);
dialogBox.dismiss();
if (result != null) {
Toast.makeText(Send_deases_Detail.this, result,
Toast.LENGTH_LONG).show();
}
}
}
}
请帮帮我
答案 0 :(得分：-1)
在android中，您需要对主UI线程的视图执行任何操作。这篇文章Running code in main thread from another thread将为您提供如何操作的建议。