当我运行应用程序logcat时,在register.java文件中给我3个错误,有人知道可能出了什么问题吗?
//Register.java代码和错误在第101,91,73行当我运行应用程序logcat时,在register.java文件中给我3个错误,有人知道可能出了什么问题吗?,java,android,database-connection,Java,Android,Database Connection,//Register.java代码和错误在第101,91,73行 package com.panos.mysqltest; import java.util.ArrayList; import java.util.List; import org.apache.http.NameValuePair; import org.apache.http.message.BasicNameValuePair; import org.json.JSONExcepti
package com.panos.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.os.AsyncTask;
import android.os.Bundle;
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 Register extends Activity implements OnClickListener{
private EditText user, pass;
private Button mRegister;
// Progress Dialog
private ProgressDialog pDialog;
// JSON parser class
JSONParser jsonParser = new JSONParser();
//php login script
//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 /register.php";
//testing on Emulator:
private static final String LOGIN_URL = "http://192.168.10.9:1234/wamp/www/android_connect/register.php";
//testing from a real server:
//private static final String LOGIN_URL = "http://www.yourdomain.com/webservice/register.php";
//ids
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.register);
user = (EditText)findViewById(R.id.username);
pass = (EditText)findViewById(R.id.password);
mRegister = (Button)findViewById(R.id.register1);
mRegister.setOnClickListener(this);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
//LINE73 new CreateUser().execute();
}
class CreateUser extends AsyncTask<String, String, String> {
/**
* Before starting background thread Show Progress Dialog
* */
boolean failure = false;
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(Register.this);
pDialog.setMessage("Creating User...");
pDialog.setIndeterminate(false);
pDialog.setCancelable(true);
//LINE91 pDialog.show();
}
@Override
protected String doInBackground(String... args) {
// TODO Auto-generated method stub
// Check for success tag
int success;
//LINE101 String username = user.getText().toString();
String password = pass.getText().toString();
try {
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("username1",username));
params.add(new BasicNameValuePair("password1", password));
Log.d("request!", "starting");
//Posting user data to script
JSONObject json = jsonParser.makeHttpRequest(
LOGIN_URL, "POST", params);
// full json response
Log.d("Login attempt", json.toString());
// json success element
success = json.getInt(TAG_SUCCESS);
if (success == 1) {
Log.d("User Created!", json.toString());
finish();
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;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog once product deleted
pDialog.dismiss();
if (file_url != null){
Toast.makeText(Register.this, file_url, Toast.LENGTH_LONG).show();
}
}
}
}
package com.panos.mysqltest;
导入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.os.AsyncTask;
导入android.os.Bundle;
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;
公共类寄存器扩展活动实现OnClickListener{
私人编辑文本用户,通过;
私人按钮注册器;
//进度对话框
私人对话;
//JSON解析器类
JSONParser JSONParser=新的JSONParser();
//php登录脚本
//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 /register.php”;
//在模拟器上测试:
私有静态最终字符串登录\u URL=”http://192.168.10.9:1234/wamp/www/android_connect/register.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.yourdomain.com/webservice/register.php";
//身份证
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.register);
user=(EditText)findViewById(R.id.username);
pass=(EditText)findViewById(R.id.password);
mRegister=(按钮)findviewbyd(R.id.register1);
mRegister.setOnClickListener(此);
}
@凌驾
公共void onClick(视图v){
//TODO自动生成的方法存根
//LINE73新建CreateUser().execute();
}
类CreateUser扩展异步任务{
/**
*在启动后台线程显示进度对话框之前
* */
布尔失败=假;
@凌驾
受保护的void onPreExecute(){
super.onPreExecute();
pDialog=新建进度对话框(Register.this);
setMessage(“正在创建用户…”);
pDialog.setUndeterminate(假);
pDialog.setCancelable(真);
//LINE91 pDialog.show();
}
@凌驾
受保护的字符串doInBackground(字符串…args){
//TODO自动生成的方法存根
//检查成功标签
成功;
//LINE101字符串username=user.getText().toString();
字符串密码=pass.getText().toString();
试一试{
//建筑参数
List params=new ArrayList();
添加(新的BasicNameValuePair(“username1”,username));
添加(新的BasicNameValuePair(“password1”,password));
Log.d(“请求!”,“启动”);
//将用户数据发布到脚本
JSONObject json=jsonParser.makeHttpRequest(
登录URL,“POST”,参数);
//完整json响应
Log.d(“登录尝试”,json.toString());
//json成功元素
success=json.getInt(TAG_success);
如果(成功==1){
Log.d(“用户创建的!”,json.toString());
完成();
返回json.getString(TAG_消息);
}否则{
Log.d(“登录失败!”,json.getString(TAG_MESSAGE));
返回json.getString(TAG_消息);
}
}捕获(JSONException e){
e、 printStackTrace();
}
返回null;
}
/**
*完成后台任务后,关闭“进度”对话框
* **/
受保护的void onPostExecute(字符串文件\u url){
//删除产品后关闭对话框
pDialog.disclose();
如果(文件url!=null){
Toast.makeText(Register.this,file_url,Toast.LENGTH_LONG.show();
}
}
}
}
//register.xml文件
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_gravity="center" >
<TextView
android:id="@+id/txViewregister"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="70dp"
android:text="@string/textView2" />
<EditText
android:id="@+id/username1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="90dp"
android:ems="10"
android:inputType="textPersonName" >
<requestFocus />
</EditText>
<TextView
android:id="@+id/TextView01"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="140dp"
android:text="@string/textView1" />
<EditText
android:id="@+id/password1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="160dp"
android:ems="10"
android:inputType="textPassword" />
<Button
android:id="@+id/register1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerHorizontal="true"
android:layout_marginTop="200dp"
android:text="@string/register1" />
</RelativeLayout>
</LinearLayout>
//最后是错误
E/AndroidRuntime(2462): FATAL EXCEPTION: AsyncTask #1
E/AndroidRuntime(2462): java.lang.RuntimeException: An error occured while executing doInBackground()
E/AndroidRuntime(2462): at android.os.AsyncTask$3.done(AsyncTask.java:299)
E/AndroidRuntime(2462): at java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
E/AndroidRuntime(2462): at java.util.concurrent.FutureTask.setException(FutureTask.java:219)
E/AndroidRuntime(2462): at java.util.concurrent.FutureTask.run(FutureTask.java:239)
E/AndroidRuntime(2462): at android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
E/AndroidRuntime(2462): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
E/AndroidRuntime(2462): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
E/AndroidRuntime(2462): at java.lang.Thread.run(Thread.java:856)
E/AndroidRuntime(2462): Caused by: java.lang.NullPointerException
E/AndroidRuntime(2462): at com.panos.mysqltest.Register$CreateUser.doInBackground(Register.java:101)
E/AndroidRuntime(2462): at com.panos.mysqltest.Register$CreateUser.doInBackground(Register.java:1)
E/AndroidRuntime(2462): at android.os.AsyncTask$2.call(AsyncTask.java:287)
E/AndroidRuntime(2462): at java.util.concurrent.FutureTask.run(FutureTask.java:234)
E/WindowManager(2462): Activity com.panos.mysqltest.Register has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{b50cc420 V.E..... R.....ID 0,0-456,144} that was originally added here
E/WindowManager(2462): android.view.WindowLeaked: Activity com.panos.mysqltest.Register has leaked window com.android.internal.policy.impl.PhoneWindow$DecorView{b50cc420 V.E..... R.....ID 0,0-456,144} that was originally added here
E/WindowManager(2462): at android.view.ViewRootImpl.<init>(ViewRootImpl.java:354)
E/WindowManager(2462): at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:216)
E/WindowManager(2462): at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:69)
E/WindowManager(2462): at android.app.Dialog.show(Dialog.java:281)
E/WindowManager(2462): at com.panos.mysqltest.Register$CreateUser.onPreExecute(Register.java:91)
E/WindowManager(2462): at android.os.AsyncTask.executeOnExecutor(AsyncTask.java:586)
E/WindowManager(2462): at android.os.AsyncTask.execute(AsyncTask.java:534)
E/WindowManager(2462): at com.panos.mysqltest.Register.onClick(Register.java:73)
E/WindowManager(2462): at android.view.View.performClick(View.java:4202)
E/WindowManager(2462): at android.view.View$PerformClick.run(View.java:17340)
E/WindowManager(2462): at android.os.Handler.handleCallback(Handler.java:725)
E/WindowManager(2462): at android.os.Handler.dispatchMessage(Handler.java:92)
E/WindowManager(2462): at android.os.Looper.loop(Looper.java:137)
E/WindowManager(2462): at android.app.ActivityThread.main(ActivityThread.java:5039)
E/WindowManager(2462): at java.lang.reflect.Method.invokeNative(Native Method)
E/WindowManager(2462): at java.lang.reflect.Method.invoke(Method.java:511)
E/WindowManager(2462): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
E/WindowManager(2462): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
E/WindowManager(2462): at dalvik.system.NativeStart.main(Native Method)
E/AndroidRuntime(2462):致命异常:AsyncTask#1
E/AndroidRuntime(2462):java.lang.RuntimeException:执行doInBackground()时出错
E/AndroidRuntime(2462):位于android.os.AsyncTask$3.done(AsyncTask.java:299)
E/AndroidRuntime(2462):位于java.util.concurrent.FutureTask.finishCompletion(FutureTask.java:352)
E/AndroidRuntime(2462):位于java.util.concurrent.FutureTask.setException(FutureTask.java:219)
E/AndroidRuntime(2462):位于java.util.concurrent.FutureTask.run(FutureTask.java:239)
E/AndroidRuntime(2462):位于android.os.AsyncTask$SerialExecutor$1.run(AsyncTask.java:230)
E/AndroidRuntime(2462):位于java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1080)
E/AndroidRuntime(2462):位于java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:573)
E/AndroidRuntime(2462):位于java.lang.Thread.run(Thread.java:856)
E/AndroidRuntime(2462):由以下原因引起:java.lang.NullPointerException
E/AndroidRuntime(2462):位于com.panos.mysqltest.Register$CreateUser.doInBackground(Register.java:101)
E/AndroidRuntime(2462):位于com.panos.mysqltest.Register$CreateUser.doInBackground(Register.java:1)
E/AndroidRuntime(2462):位于android.os.AsyncTask$2.call(AsyncTask.java:287)
E/AndroidRuntime(2462):位于java.util.concurrent.FutureTask.run(FutureTask.java:234)
E/WindowManager(2462):Activity com.panos.mysqltest.Register泄漏了window com.android.internal.policy.impl.PhoneWindow$DecorView{b50cc420 V.E..R..ID 0,0-456144},即
user = (EditText)findViewById(R.id.username);
pass = (EditText)findViewById(R.id.password);
user = (EditText)findViewById(R.id.username1);
pass = (EditText)findViewById(R.id.password1);
pass = (EditText)findViewById(R.id.password);
pass = (EditText)findViewById(R.id.password1);
class CreateUser extends AsyncTask<String, String, String>
class CreateUser extends AsyncTask<Void, Void, String>
doInBackground(String... args)
doInBackground(Void... args)
class CreateUser extends AsyncTask<String, Void, String> {
/**
* Before starting background thread Show Progress Dialog
* */
boolean failure = false;
ProgressDialog pDialog ;
Context _context;
public CreateUser(Register activity) {
_context = activity; // Create a constructor to initialize the `_context`
}
@Override
protected void onPreExecute() {
super.onPreExecute();
pDialog = new ProgressDialog(_context);
pDialog.setMessage("Creating User...");
pDialog.setIndeterminate(true);
pDialog.setTitle("Processing");
pDialog.setCancelable(false);
pDialog.show();
}
@Override
protected String doInBackground(String... args) {
// TODO Auto-generated method stub
// Check for success tag
int success;
try {
// Building Parameters
List<NameValuePair> params = new ArrayList<NameValuePair>();
params.add(new BasicNameValuePair("username1",args[0])); // put the values sent from activity i.e username and password.
params.add(new BasicNameValuePair("password1", args[1]));
Log.d("request!", "starting");
//Posting user data to script
JSONObject json = jsonParser.makeHttpRequest(
LOGIN_URL, "POST", params);
// full json response
Log.d("Login attempt", json.toString());
// json success element
success = json.getInt(TAG_SUCCESS);
if (success == 1) {
Log.d("User Created!", json.toString());
finish();
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;
}
/**
* After completing background task Dismiss the progress dialog
* **/
protected void onPostExecute(String file_url) {
// dismiss the dialog once product deleted
if (pDialog.isShowing())
pDialog.dismiss();
if (file_url != null){
Toast.makeText(Register.this, file_url, Toast.LENGTH_LONG).show();
}
}
}
}