获得运行时错误

我收到错误的应用程序已经只要我劳克下面的程序在模拟器上意外停止：获得运行时错误

package com.example.TextSpeaker2; 



import java.util.Locale; 

import android.app.Activity; 
import android.content.Context; 
import android.content.Intent; 
import android.database.Cursor; 
import android.net.Uri; 
import android.os.Bundle; 
import android.speech.tts.TextToSpeech; 
import android.speech.tts.TextToSpeech.OnInitListener; 
import android.widget.Button; 
import android.widget.Toast; 


public class TextSpeaker2 extends Activity implements OnInitListener{ 

public static final Uri SMS_CONTENT_URI = Uri.parse("content://sms"); 
public static final Uri SMS_INBOX_CONTENT_URI = Uri.withAppendedPath(SMS_CONTENT_URI, "inbox"); 

int MY_DATA_CHECK_CODE = 0; 
public static TextToSpeech mtts; 
public static String body=""; 
Button speak; 

    /** Called when the activity is first created. */ 
    @Override 
    public void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.main); 

    Intent myintent = new Intent(); 
    myintent.setAction(TextToSpeech.Engine.ACTION_CHECK_TTS_DATA); 
    startActivityForResult(myintent, MY_DATA_CHECK_CODE); 

    getSmsDetails(this, 0, false); 
} 

public static void getSmsDetails(Context context, long ignoreThreadId, boolean unreadOnly) { 
String SMS_READ_COLUMN = "read"; 
String WHERE_CONDITION = unreadOnly ? SMS_READ_COLUMN + " = 0" : null; 
String SORT_ORDER = "date DESC"; 
int count = 0; 
if (ignoreThreadId > 0) { 
    WHERE_CONDITION += " AND thread_id != " + ignoreThreadId; 
} 
Cursor cursor = context.getContentResolver().query(SMS_INBOX_CONTENT_URI, 
    new String[] { "_id", "thread_id", "address", "person", "date", "body" }, WHERE_CONDITION, null, SORT_ORDER); 
if (cursor != null) { 
    count = cursor.getCount(); 
    cursor.moveToFirst(); 
} else { 
    return; 
} 
do { 
    try { 
    long messageId = cursor.getLong(0); 
    long threadId = cursor.getLong(1); 
    String address = cursor.getString(2); 
    long contactId = cursor.getLong(3); 
    String contactId_string = String.valueOf(contactId); 
    long timestamp = cursor.getLong(4); 
    body = cursor.getString(5); 

    StringBuffer smsMessage = new StringBuffer(); 
    smsMessage.append("MessageID: " + messageId + "/" + count + "\n"); 
    smsMessage.append("ThreadID: " + threadId + "\n"); 
    smsMessage.append("address: " + address + "\n"); 
    smsMessage.append("contactID: " + contactId + "\n"); 
    smsMessage.append("contactID_string: " + contactId_string + "\n"); 
    smsMessage.append("timestamp: " + timestamp + "\n"); 
    smsMessage.append("body: " + body + "\n"); 
    Toast.makeText(context, smsMessage.toString(), Toast.LENGTH_LONG).show(); 
    } finally { 
    cursor.close(); 
    } 
} while (cursor.moveToNext()); 
} 

    public void ButtonClickListener(){ 
mtts.speak(body, TextToSpeech.QUEUE_FLUSH, null); 
} 

protected void onActivityResult(int requestcode,int resultcode,Intent data) 
{ 
if(requestcode == MY_DATA_CHECK_CODE) 
{ 
    if(resultcode==TextToSpeech.Engine.CHECK_VOICE_DATA_PASS) 
    { 
     // success so create the TTS engine 
     mtts = new TextToSpeech(this,this); 
     mtts.setLanguage(Locale.ENGLISH); 

    } 
    else 
    { 
     //install the Engine 
     Intent install = new Intent(); 
     install.setAction(TextToSpeech.Engine.ACTION_INSTALL_TTS_DATA); 
     startActivity(install); 
    } 
} 

} 

    public void onDestroy(Bundle savedInstanceStatBundle) 
{ 
mtts.shutdown(); 
} 

@Override 
    public void onInit(int status) { 
// TODO Auto-generated method stub 
if(status==TextToSpeech.SUCCESS) 
    speak.setEnabled(true); 

}

}

来源

2010-06-21 pranay

你收到什么异常？您可能会在SDK 1.5上运行它，因为TextToSpeech可从Android 1.6获得。 – 2010-06-21 13:11:01

logcat中没有错误，我使用2.1作为最小sdk级别7的目标 – pranay 2010-06-21 13:14:32

我的建议：添加一些调试入境/出境记录所以你至少应该知道你在哪里崩溃。一种可能性：我注意到你在几个可能未被初始化的地方使用mtts成员。

来源

2010-06-21 13:23:39

获得运行时错误

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