我已附加registeractivity.xml文件，registeractivity.java文件，mainactivity.java文件，清单文件和logcat。
每当我点击注册按钮后输入用户名，电子邮件和密码后运行此应用程序，就会停止工作。
XML文件：
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"
android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
android:paddingBottom="@dimen/activity_vertical_margin"
tools:context="com.example.user.loginapp.RegisterActivity">
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="textPersonName"
android:hint="Username"
android:ems="10"
android:id="@+id/usernameRegistereditText"
android:layout_alignParentTop="true"
android:layout_alignParentStart="true" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="textEmailAddress"
android:ems="10"
android:hint="E-mail"
android:id="@+id/emailRegistereditText"
android:layout_below="@+id/usernameRegistereditText"
android:layout_centerHorizontal="true" />
<EditText
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="textPassword"
android:ems="10"
android:hint="Password"
android:id="@+id/passwordRegistereditText"
android:layout_below="@+id/emailRegistereditText"
android:layout_alignParentEnd="true" />
<Button
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Sign Up"
android:id="@+id/signupbutton"
android:layout_centerVertical="true"
android:layout_centerHorizontal="true" />
</RelativeLayout>
RegisterActivity.Java文件：
package com.example.user.loginapp;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import com.parse.ParseException;
import com.parse.ParseUser;
import com.parse.SignUpCallback;
public class RegisterActivity extends AppCompatActivity {
protected EditText mUsername;
protected EditText mEmail;
protected EditText mPassword;
protected Button mSignup;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
//initialise
mUsername=(EditText)findViewById(R.id.usernameRegistereditText);
mEmail=(EditText)findViewById(R.id.emailRegistereditText);
mPassword=(EditText)findViewById(R.id.passwordRegistereditText);
mSignup=(Button)findViewById(R.id.signupbutton);
//Listen to button
mSignup.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//get username password and email and convert to string
String username=mUsername.getText().toString().trim();
String email=mEmail.getText().toString().trim();
String password=mPassword.getText().toString().trim();
// store user to parse
ParseUser user=new ParseUser();
user.setUsername(username);
user.setEmail(email);
user.setPassword(password);
user.signUpInBackground(new SignUpCallback() {
@Override
public void done(ParseException e) {
if(e==null){
Toast.makeText(RegisterActivity.this,"Sign-up successful",Toast.LENGTH_LONG).show();
}else{
//error message
}
}
});
}
});
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_register, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
mainActivity.java文件：
import com.parse.Parse;
import com.parse.ParseObject;
import com.parse.ParseObject.*;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Parse.enableLocalDatastore(this);
Parse.initialize(this);
ParseObject testObject = new ParseObject("TestObject");
testObject.put("foo", "bar");
testObject.saveInBackground();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.menu_main, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
//noinspection SimplifiableIfStatement
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
}
清单文件：
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.user.loginapp" >
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<meta-data
android:name="com.parse.APPLICATION_ID"
android:value="E9N4CpvflF5WfGVaQ5kBXYHgNA1Z2BE0cXhgc82j" />
<meta-data
android:name="com.parse.CLIENT_KEY"
android:value="IybWtApcNpi8Ky5odgHSAp34oyaxkFw0Jz9voH5U" />
<activity
android:name=".RegisterActivity"
android:label="@string/title_activity_register" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
</activity>
</application>
</manifest>
logcat的：
01-26 16:40:41.028 3836-3836/com.example.user.loginapp E/OpenGLRenderer﹕ Getting MAX_TEXTURE_SIZE from GradienCache
01-26 16:40:41.048 3836-3836/com.example.user.loginapp E/OpenGLRenderer﹕ Getting MAX_TEXTURE_SIZE from Caches::initConstraints()
01-26 16:41:00.912 3836-3836/com.example.user.loginapp E/AndroidRuntime﹕ FATAL EXCEPTION: main
java.lang.IllegalArgumentException: You must create this type of ParseObject using ParseObject.create() or the proper subclass.
at com.parse.ParseObject.<init>(ParseObject.java:365)
at com.parse.ParseObject.<init>(ParseObject.java:334)
at com.parse.ParseUser.<init>(ParseUser.java:162)
at com.example.user.loginapp.RegisterActivity$1.onClick(RegisterActivity.java:43)
at android.view.View.performClick(View.java:4240)
at android.view.View$PerformClick.run(View.java:17721)
at android.os.Handler.handleCallback(Handler.java:730)
at android.os.Handler.dispatchMessage(Handler.java:92)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5103)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:525)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:737)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:553)
at dalvik.system.NativeStart.main(Native Method)
答案 0 :(得分：1)
替换代码中的以下行
ParseObject testObject = ParseObject.create("TestObject");
用，
provider_id它将被解决。
答案 1 :(得分：0)
错误是必须使用create（）方法创建ParseObject。您刚刚使用其工厂方法新建了一个。你想要这样的东西：
ParseObject testObject = ParseObject.create("TestObject");
答案 2 :(得分：0)
注释以下几行尝试再次运行：
// Parse.enableLocalDatastore(this);
// Parse.initialize(this);
// ParseObject testObject = new ParseObject("TestObject");
// testObject.put("foo", "bar");
// testObject.saveInBackground();