Php 将android应用程序连接到本地主机时出现问题
因此,我已经将我的笔记本电脑连接到我的androids wifi,并使用网关IP地址,但我仍然无法从数据库中提取数据。数据库的工作方式与我单独测试的一样。Php 将android应用程序连接到本地主机时出现问题,php,android,localhost,Php,Android,Localhost,因此,我已经将我的笔记本电脑连接到我的androids wifi,并使用网关IP地址,但我仍然无法从数据库中提取数据。数据库的工作方式与我单独测试的一样。 Logcat提示登录时出错。(我会在错误出现的地方做标记,这样你就不用担心了) 07-31 01:49:41.323:W/System.err(20516):位于org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119
Logcat提示登录时出错。(我会在错误出现的地方做标记,这样你就不用担心了)
07-31 01:49:41.323:W/System.err(20516):位于org.apache.http.impl.conn.AbstractPooledConnAdapter.open(AbstractPooledConnAdapter.java:119)
07-31 01:49:41.343:E/JSON解析器(20516):解析数据org.JSON.JSONException时出错:输入在的字符0处结束
07-31 01:49:41.353:D/请求!(20516):开始
07-31 01:49:41.353:W/dalvikvm(20516):threadid=11:线程退出时出现未捕获异常(组=0x4194AD10)
07-31 01:49:41.353:E/AndroidRuntime(20516):致命异常:AsyncTask#1
07-31 01:49:41.353:E/AndroidRuntime(20516):进程:com.example.mysqltest,PID:20516
07-31 01:49:41.353:E/AndroidRuntime(20516):java.lang.RuntimeException:执行doInBackground()时出错
07-31 01:49:41.353:E/AndroidRuntime(20516):在android.os.AsyncTask$3.done(AsyncTask.java:300)
07-31 01:49:41.353:E/AndroidRuntime(20516):在java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:355)
07-31 01:49:41.353:E/AndroidRuntime(20516):位于java.util.concurrent.FutureTask.setException(FutureTask.java:222)
07-31 01:49:41.353:E/AndroidRuntime(20516):在java.util.concurrent.FutureTask.run(FutureTask.java:242)
07-31 01:49:41.353:E/AndroidRuntime(20516):在android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:231)
07-31 01:49:41.353:E/AndroidRuntime(20516):位于java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1112)
07-31 01:49:41.353:E/AndroidRuntime(20516):在java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:587)
07-31 01:49:41.353:E/AndroidRuntime(20516):在java.lang.Thread.run(Thread.java:841)处
07-31 01:49:41.353:E/AndroidRuntime(20516):由以下原因引起:java.lang.NullPointerException//这将被标记
07-31 01:49:41.353:E/AndroidRuntime(20516):在com.example.mysqltest.Login$AttemptLogin.doInBackground(Login.java:125)
07-31 01:49:41.353:E/AndroidRuntime(20516):在com.example.mysqltest.Login$AttemptLogin.doInBackground(Login.java:1)
07-31 01:49:41.353:E/AndroidRuntime(20516):在android.os.AsyncTask$2.call(AsyncTask.java:288)
07-31 01:49:41.353:E/AndroidRuntime(20516):在java.util.concurrent.FutureTask.run(FutureTask.java:237)
2007-31 01:49:41.353:E/AndroidRuntime(20516):。。。4更多
07-31 01:49:42.054:W/IIInputConnectionWrapper(20516):在非活动输入连接上显示状态图标
07-31 01:49:42.474:E/WindowManager(20516):android.view.WindowLeaked:Activity com.example.mysqltest.Login泄漏了window com.android.internal.policy.impl.PhoneWindow$DecorView{42da7448 V.E…..R…..D 0,0-1026288},最初添加到这里
07-31 01:49:42.474:E/WindowManager(20516):在android.view.ViewRootImpl。(ViewRootImpl.java:457)
07-31 01:49:42.474:E/WindowManager(20516):在android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:267)
07-31 01:49:42.474:E/WindowManager(20516):在android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
07-31 01:49:42.474:E/WindowManager(20516):在android.app.Dialog.show(Dialog.java:288)
07-31 01:49:42.474:E/WindowManager(20516):位于com.example.mysqltest.Login$AttemptLogin.onPreExecute(Login.java:103)
07-31 01:49:42.474:E/WindowManager(20516):位于android.os.AsyncTask.executeOnExecutor(AsyncTask.java:587)
07-31 01:49:42.474:E/WindowManager(20516):在android.os.AsyncTask.execute(AsyncTask.java:535)
包com.example.mysqltest
import java.util.ArrayList;
import java.util.List;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class Login extends Activity implements OnClickListener {
private EditText user, pass;
private Button mSubmit, mRegister;
// Progress Dialog
private ProgressDialog pDialog;
// JSON parser class
JSONParser jsonParser = new JSONParser();
// php login script location:
// localhost :
// testing on your device
// put your local ip instead, on windows, run CMD > ipconfig
// or in mac's terminal type ifconfig and look for the ip under en0 or en1
// private static final String LOGIN_URL =
// "http://xxx.xxx.x.x:1234/webservice/login.php";
// testing on Emulator:
private static final String LOGIN_URL = "http://192.168.43.1/drinkdealz/login.php";
// testing from a real server:
// private static final String LOGIN_URL =
// "http://www.mybringback.com/webservice/login.php";
// JSON element ids from repsonse of php script:
private static final String TAG_SUCCESS = "success";
private static final String TAG_MESSAGE = "message";
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.login);
// setup input fields
user = (EditText) findViewById(R.id.username);
pass = (EditText) findViewById(R.id.password);
// setup buttons
mSubmit = (Button) findViewById(R.id.login);
mRegister = (Button) findViewById(R.id.register);
// register listeners
mSubmit.setOnClickListener(this);
mRegister.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.login:
new AttemptLogin().execute();
break;
case R.id.register:
Intent i = new Intent(this, Register.class);
startActivity(i);
break;
default:
break;
}
}
class AttemptLogin extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(Login.this);
pDialog.setMessage("Attempting login...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}
@Override
protected String doInBackground(String... args) {
// TODO Auto-generated method stub
// Check for success tag
int success;
String username = user.getText().toString();
String password = pass.getText().toString();
try {
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("username", username));
params.add(new BasicNameValuePair("password", password));
Log.d("request!", "starting");
// getting product details by making HTTP request
JSONObject json = jsonParser.makeHttpRequest(LOGIN_URL, "POST",
params);
// check your log for json response
Log.d("Login attempt", json.toString()); ////THIS IS WHERE ERROR COMES UP////
// json success tag
success = json.getInt(TAG_SUCCESS);
if (success == 1) {
Log.d("Login Successful!", json.toString());
// save user data
SharedPreferences sp = PreferenceManager
.getDefaultSharedPreferences(Login.this);
Editor edit = sp.edit();
edit.putString("username", username);
edit.commit();
Intent i = new Intent(Login.this, ReadComments.class);
finish();
startActivity(i);
return json.getString(TAG_MESSAGE);
} else {
Log.d("Login Failure!", json.getString(TAG_MESSAGE));
return json.getString(TAG_MESSAGE);
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
protected void onPostExecute(String file_url) {
// dismiss the dialog once product deleted
pDialog.dismiss();
if (file_url != null) {
Toast.makeText(Login.this, file_url, Toast.LENGTH_LONG).show();
}
}
}
}
import java.util.ArrayList;
导入java.util.List;
导入org.apache.http.NameValuePair;
导入org.apache.http.message.BasicNameValuePair;
导入org.json.JSONException;
导入org.json.JSONObject;
导入android.app.Activity;
导入android.app.ProgressDialog;
导入android.content.Intent;
导入android.content.SharedReferences;
导入android.content.SharedReferences.Editor;
导入android.os.AsyncTask;
导入android.os.Bundle;
导入android.preference.PreferenceManager;
导入android.util.Log;
导入android.view.view;
导入android.view.view.OnClickListener;
导入android.widget.Button;
导入android.widget.EditText;
导入android.widget.Toast;
公共类登录扩展活动实现OnClickListener{
私人编辑文本用户,通过;
私人按钮mSubmit,mRegister;
//进度对话框
私人对话;
//JSON解析器类
JSONParser JSONParser=新的JSONParser();
//php登录脚本位置:
//本地主机:
//在您的设备上进行测试
//将本地ip改为在windows上运行CMD>ipconfig
//或者在mac的终端类型ifconfig中,查找en0或en1下的ip
//私有静态最终字符串登录\u URL=
// "http://xxx.xxx.x.x:1234/webservice/login.php";
//在模拟器上测试:
私有静态最终字符串登录\u URL=”http://192.168.43.1/drinkdealz/login.php";
//从真实服务器进行测试:
//私有静态最终字符串登录\u URL=
// "http://www.mybringback.com/webservice/login.php";
//php脚本repsonse中的JSON元素ID:
私有静态最终字符串标记_SUCCESS=“SUCCESS”;
私有静态最终字符串标记_MESSAGE=“MESSAGE”;
@凌驾
创建时受保护的void(Bundle savedInstanceState){
//TODO自动生成的方法存根
super.onCreate(savedInstanceState);
setContentView(R.layout.login);
//设置输入字段
user=(EditText)findViewById(R.id.username);
pass=(EditText)findViewById(R.id.password);
//设置按钮
mSubmit=(按钮)findviewbyd(R.id.login);
mRegister=(按钮)findviewbyd(R.id.register);
//注册侦听器
mSubmit.setOnClickListener(这个);
s先生
import java.util.ArrayList;
import java.util.List;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONException;
import org.json.JSONObject;
import android.app.Activity;
import android.app.ProgressDialog;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.os.AsyncTask;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
public class Login extends Activity implements OnClickListener {
private EditText user, pass;
private Button mSubmit, mRegister;
// Progress Dialog
private ProgressDialog pDialog;
// JSON parser class
JSONParser jsonParser = new JSONParser();
// php login script location:
// localhost :
// testing on your device
// put your local ip instead, on windows, run CMD > ipconfig
// or in mac's terminal type ifconfig and look for the ip under en0 or en1
// private static final String LOGIN_URL =
// "http://xxx.xxx.x.x:1234/webservice/login.php";
// testing on Emulator:
private static final String LOGIN_URL = "http://192.168.43.1/drinkdealz/login.php";
// testing from a real server:
// private static final String LOGIN_URL =
// "http://www.mybringback.com/webservice/login.php";
// JSON element ids from repsonse of php script:
private static final String TAG_SUCCESS = "success";
private static final String TAG_MESSAGE = "message";
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.login);
// setup input fields
user = (EditText) findViewById(R.id.username);
pass = (EditText) findViewById(R.id.password);
// setup buttons
mSubmit = (Button) findViewById(R.id.login);
mRegister = (Button) findViewById(R.id.register);
// register listeners
mSubmit.setOnClickListener(this);
mRegister.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
switch (v.getId()) {
case R.id.login:
new AttemptLogin().execute();
break;
case R.id.register:
Intent i = new Intent(this, Register.class);
startActivity(i);
break;
default:
break;
}
}
class AttemptLogin extends AsyncTask<String, String, String> {
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(Login.this);
pDialog.setMessage("Attempting login...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
pDialog.show();
}
@Override
protected String doInBackground(String... args) {
// TODO Auto-generated method stub
// Check for success tag
int success;
String username = user.getText().toString();
String password = pass.getText().toString();
try {
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("username", username));
params.add(new BasicNameValuePair("password", password));
Log.d("request!", "starting");
// getting product details by making HTTP request
JSONObject json = jsonParser.makeHttpRequest(LOGIN_URL, "POST",
params);
// check your log for json response
Log.d("Login attempt", json.toString()); ////THIS IS WHERE ERROR COMES UP////
// json success tag
success = json.getInt(TAG_SUCCESS);
if (success == 1) {
Log.d("Login Successful!", json.toString());
// save user data
SharedPreferences sp = PreferenceManager
.getDefaultSharedPreferences(Login.this);
Editor edit = sp.edit();
edit.putString("username", username);
edit.commit();
Intent i = new Intent(Login.this, ReadComments.class);
finish();
startActivity(i);
return json.getString(TAG_MESSAGE);
} else {
Log.d("Login Failure!", json.getString(TAG_MESSAGE));
return json.getString(TAG_MESSAGE);
}
} catch (JSONException e) {
e.printStackTrace();
}
return null;
}
protected void onPostExecute(String file_url) {
// dismiss the dialog once product deleted
pDialog.dismiss();
if (file_url != null) {
Toast.makeText(Login.this, file_url, Toast.LENGTH_LONG).show();
}
}
}
}