我正在尝试使用Parse服务器在Android上构建电话号码登录，如Parse的AnyPhone-Android教程中所述。在我输入电话号码后，应用程序与logcat崩溃如下。
:56:04.376 10414-10414/com.parse.anyphone E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.parse.anyphone, PID: 10414
java.lang.ClassCastException: java.util.HashMap cannot be cast to org.json.JSONObject
at com.parse.anyphone.LoginActivity$2.done(LoginActivity.java:95)
at com.parse.ParseTaskUtils$2$1.run(ParseTaskUtils.java:107)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5300)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)
03-06 15
我的LoginActivity代码如下。
package com.parse.anyphone;
import android.content.Intent;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ProgressBar;
import android.widget.TextView;
import android.widget.Toast;
import com.parse.FunctionCallback;
import com.parse.LogInCallback;
import com.parse.ParseCloud;
import com.parse.ParseException;
import com.parse.ParseUser;
import org.json.JSONObject;
import java.util.HashMap;
public class LoginActivity extends AppCompatActivity {
private TextView questionLabel, substituteLabel;
private EditText textField;
private Button sendCodeButton;
public static String phoneNumber = null;
private String token = null;
private int code = 0;
private int flag = 0; //If flag = 0 call the sendCode method, otherwise call the doLogin method.
private ProgressBar progressBar;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
progressBar= (ProgressBar) findViewById(R.id.loadingSpinner);
questionLabel = (TextView) findViewById(R.id.questionLabel);
substituteLabel = (TextView) findViewById(R.id.subtitleLabel);
textField = (EditText) findViewById(R.id.phoneNumberField);
sendCodeButton = (Button) findViewById(R.id.sendCodeButton);
sendCodeButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
sendCodeButton.setClickable(false);
if(flag == 0)
sendCode();
else
doLogin();
}
});
phoneNumberUI();
}
private void phoneNumberUI() {
flag = 0;
questionLabel.setText("Please enter your phone number to log in:");
substituteLabel.setText("This example is limited to 10-digit US numbers");
textField.setHint(R.string.number_default);
sendCodeButton.setClickable(true);
}
private void codeUI(){
flag = 1;
questionLabel.setText("Enter the 4-digit confirmation code:");
substituteLabel.setText("It was sent in an SMS message to +1" + phoneNumber);
textField.setText("");
textField.setHint("1234");
sendCodeButton.setClickable(true);
}
private void sendCode() {
if(textField.getText().toString().length() != 10){
Toast.makeText(getApplicationContext(),
"You must enter a 10-digit US phone number including area code.",
Toast.LENGTH_LONG).show();
phoneNumberUI();
}
else{
phoneNumber = String.valueOf(textField.getText());
HashMap<String, Object> params = new HashMap<String, Object>();
params.put("phoneNumber", phoneNumber);
params.put("language", "en");
progressBar.setVisibility(View.VISIBLE);
ParseCloud.callFunctionInBackground("sendCode", params, new FunctionCallback<JSONObject>() {
public void done(JSONObject response, ParseException e) {
progressBar.setVisibility(View.GONE);
if (e == null) {
Log.d("Cloud Response", "There were no exceptions! " + response.toString());
codeUI();
} else {
Log.d("Cloud Response", "Exception: " + response.toString() + e);
Toast.makeText(getApplicationContext(),
"Something went wrong. Please try again." + e,
Toast.LENGTH_LONG).show();
phoneNumberUI();
}
}
});
}
}
private void doLogin() {
if(textField.getText().toString().length() != 4) {
Toast.makeText(getApplicationContext(),
"You must enter the 4 digit code texted to your phone number.",
Toast.LENGTH_LONG).show();
codeUI();
} else {
code = Integer.parseInt(textField.getText().toString());
HashMap<String, Object> params = new HashMap<String, Object>();
params.put("phoneNumber", phoneNumber);
params.put("codeEntry", code);
progressBar.setVisibility(View.VISIBLE);
ParseCloud.callFunctionInBackground("logIn", params, new FunctionCallback<String>() {
public void done(String response, ParseException e) {
progressBar.setVisibility(View.GONE);
if (e == null) {
token = response;
Log.d("Cloud Response", "There were no exceptions! " + response);
ParseUser.becomeInBackground(token, new LogInCallback() {
@Override
public void done(ParseUser parseUser, ParseException e) {
if (e == null){
Log.d("Cloud Response", "There were no exceptions! ");
Intent i = new Intent(LoginActivity.this, MainActivity.class);
startActivity(i);
finish();
}
else {
Log.d("Cloud Response", "Exception: " + e);
Toast.makeText(getApplicationContext(),
"Something went wrong. Please try again." + e,
Toast.LENGTH_LONG).show();
phoneNumberUI();
}
}
});
} else {
phoneNumberUI();
Log.d("Cloud Response", "Exception: " + response + e);
Toast.makeText(getApplicationContext(),
"Something went wrong. Please try again.",
Toast.LENGTH_LONG).show();
}
}
});
}
}
@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_login, 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);
}
}
Parse云代码运行意味着代码正常执行，但我不明白它崩溃的原因。云代码的网络版本运行没有错误。
答案 0 :(得分：2)
只需将HashMap添加到new FunctionCallback<JSONObject>()
new FunctionCallback<HashMap>()并从那里执行新的操作。