我正在开发一个发送和接收短信的应用。基本思想是让一个活动来处理用户已经通过消息发送的联系人列表，以及一个活动来查看与特定联系人的对话。 因此，第一个活动是联系人列表，当用户选择一个活动时，另一个活动开始，显示与所选用户的会话线程。
我所做的工作如果对话时间不长：在这种情况下，会话线程会成功显示。另一方面，如果对话包含大量消息，则应用会加载一段时间，然后返回到联系人列表将所选联系人的电话号码添加到联系人列表或只需返回联系人列表。
我不明白为什么会这样，我希望你能帮助我。这是代码：
import java.util.ArrayList;
import android.app.ListActivity;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract.PhoneLookup;
import android.database.Cursor;
import android.widget.ArrayAdapter;
public class myActivity extends ListActivity implements onClickListener {
ArrayList<ArrayList<String>> nameAndNumbers = new ArrayList<ArrayList<String>>();
ArrayList<String> listItems=new ArrayList<String>();
ArrayAdapter<String> adapter;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.main);
/* here I find the phone numbers of the contacts from the SMS content
provider and then I find their contact name as saved in the address book */
Uri messagesUri = Uri.parse("content://sms/");
Cursor cursor = getContentResolver().query(messagesUri,new String[] { "_id", "thread_id", "address", "person", "date", "body", "type" }, null, null, null);
startManagingCursor(cursor);
String[] columns = new String[] { "address", "person", "date", "body", "type" };
ArrayList<String> names = new ArrayList<String>();
if (cursor.getCount() > 0) {
int counter = 0;
while (cursor.moveToNext()){
String address = cursor.getString(cursor.getColumnIndex(columns[0]));
String contact=address;
Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(address));
Cursor cs= getContentResolver().query(uri, new String[]{PhoneLookup.DISPLAY_NAME},PhoneLookup.NUMBER+"='"+address+"'",null,null);
startManagingCursor(cs);
if(cs!=null) {
if(cs.getCount()>0)
{
cs.moveToFirst();
contact=cs.getString(cs.getColumnIndex(PhoneLookup.DISPLAY_NAME));
}
if (!names.contains(contact)) {
/* this part is needed to make it so that the app
does not create two separate threads if the phone number comes with or without
international prefix code
*/
names.add(contact);
if (contact.startsWith("+1")) {
names.add(contact.substring(2));
} else {
names.add("+1" + contact);
}
nameAndNumbers.add(new ArrayList<String>());
nameAndNumbers.get(counter).add(contact);
nameAndNumbers.get(counter).add(address);
listItems.add(contact);
counter = counter + 1;
}
}
}
}
adapter=new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1,
listItems);
setListAdapter(adapter);
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
// TODO Auto-generated method stub
String number = nameAndNumbers.get(position).get(1);
Intent i = new Intent(this, myThread.class);
i.putExtra("key", number);
startActivity(i);
}
}
import java.util.ArrayList;
import android.app.ListActivity;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.ContactsContract.PhoneLookup;
import android.widget.ArrayAdapter;
import android.widget.EditText;
public class myThread extends ListActivity {
EditText txtMessage;
String phoneNum;
ArrayList<String> listItems=new ArrayList<String>();
ArrayAdapter<String> adapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.thread);
txtMessage = (EditText) findViewById(R.id.txtMessage);
ArrayList<String> list = new ArrayList<String>();
String number = getIntent().getStringExtra("key");
phoneNum = number;
list.add(number);
if (number.startsWith("+1")) {
list.add(number.substring(2));
} else {
list.add("+1" + number);
}
String[] smsNo = new String[list.size()];
list.toArray(smsNo);
Uri messagesUri = Uri.parse("content://sms/");
Cursor cursor = getContentResolver().query(messagesUri, null,"address=? or address=?", smsNo, null);
startManagingCursor(cursor);
String[] columns = new String[] { "thread_id", "address", "person", "date", "body", "type" };
String sms = "";
if (cursor.getCount() > 0) {
while (cursor.moveToNext()){
String address = cursor.getString(cursor.getColumnIndex(columns[1]));
String contact=address;
Uri uri = Uri.withAppendedPath(PhoneLookup.CONTENT_FILTER_URI, Uri.encode(address));
Cursor cs= getContentResolver().query(uri, new String[]{PhoneLookup.DISPLAY_NAME},PhoneLookup.NUMBER+"='"+address+"'",null,null);
startManagingCursor(cs);
if(cs!=null) {
if(cs.getCount()>0)
{
cs.moveToFirst();
contact=cs.getString(cs.getColumnIndex(PhoneLookup.DISPLAY_NAME));
}
}
sms += contact + " ";
String name = cursor.getString(cursor.getColumnIndex(columns[2]));
sms += name + " ";
String date = cursor.getString(cursor.getColumnIndex(columns[3]));
sms += date + " ";
String msg = cursor.getString(cursor.getColumnIndex(columns[4]));
sms += msg + " ";
String type = cursor.getString(cursor.getColumnIndex(columns[5]));
sms += type;
listItems.add(sms);
sms = "";
}
}
adapter=new ArrayAdapter<String>(this,
R.layout.sms_list_item,
listItems);
setListAdapter(adapter);
}
}
我只粘贴错误消息。
05-08 10:25:52.955: E/Mms(268): [1] Tried to add duplicate Conversation to Cache
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05-08 10:27:32.865: W/dalvikvm(175): Last 10 entries in JNI global reference table:
05-08 10:27:32.865: W/dalvikvm(175): 1991: 0x40719248 cls=Landroid/database/CursorToBulkCursorAdaptor; (44 bytes)
05-08 10:27:32.865: W/dalvikvm(175): 1992: 0x40719248 cls=Landroid/database/CursorToBulkCursorAdaptor; (44 bytes)
05-08 10:27:32.865: W/dalvikvm(175): 1993: 0x406f8b38 cls=Ljava/lang/ref/WeakReference; (28 bytes)
05-08 10:27:32.865: W/dalvikvm(175): 1994: 0x406f4d98 cls=Ljava/lang/ref/WeakReference; (28 bytes)
05-08 10:27:32.865: W/dalvikvm(175): 1995: 0x406bfd08 cls=Landroid/database/ContentObserver$Transport; (36 bytes)
05-08 10:27:32.865: W/dalvikvm(175): 1996: 0x406bc5a8 cls=Landroid/database/CursorToBulkCursorAdaptor; (44 bytes)
05-08 10:27:32.865: W/dalvikvm(175): 1997: 0x406bc5a8 cls=Landroid/database/CursorToBulkCursorAdaptor; (44 bytes)
05-08 10:27:32.865: W/dalvikvm(175): 1998: 0x406809b8 cls=Ljava/lang/ref/WeakReference; (28 bytes)
05-08 10:27:32.865: W/dalvikvm(175): 1999: 0x406809f8 cls=Ljava/lang/ref/WeakReference; (36 bytes)
05-08 10:27:32.865: W/dalvikvm(175): 2000: 0x40612b68 cls=Landroid/database/ContentObserver$Transport; (28 bytes)
05-08 10:27:32.885: W/dalvikvm(175): JNI global reference table summary (2001 entries):
05-08 10:27:32.885: W/dalvikvm(175): 36 of Ljava/lang/Class; 164B (29 unique)
05-08 10:27:32.885: W/dalvikvm(175): 44 of Ljava/lang/Class; 188B (15 unique)
05-08 10:27:32.885: W/dalvikvm(175): 6 of Ljava/lang/Class; 212B (6 unique)
05-08 10:27:32.885: W/dalvikvm(175): 10 of Ljava/lang/Class; 236B (5 unique)
05-08 10:27:32.885: W/dalvikvm(175): 1 of Ljava/lang/Class; 260B
05-08 10:27:32.895: W/dalvikvm(175): 4 of Ljava/lang/Class; 284B (2 unique)
05-08 10:27:32.895: W/dalvikvm(175): 6 of Ljava/lang/Class; 308B (5 unique)
05-08 10:27:32.895: W/dalvikvm(175): 3 of Ljava/lang/Class; 332B (2 unique)
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/Class; 356B
05-08 10:27:32.895: W/dalvikvm(175): 2 of Ljava/lang/Class; 380B (1 unique)
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/Class; 428B
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/Class; 452B
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/Class; 476B
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/Class; 500B
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/Class; 572B
05-08 10:27:32.895: W/dalvikvm(175): 2 of Ljava/lang/Class; 596B (2 unique)
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/Class; 692B
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/Class; 1004B
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/Class; 1172B
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/Class; 1316B
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/Class; 3452B
05-08 10:27:32.895: W/dalvikvm(175): 1 of Ljava/lang/String; 28B
05-08 10:27:32.895: W/dalvikvm(175): 2 of Ldalvik/system/VMRuntime; 12B (1 unique)
05-08 10:27:32.895: W/dalvikvm(175): 724 of Ljava/lang/ref/WeakReference; 28B (724 unique)
05-08 10:27:32.895: W/dalvikvm(175): 28 of Ljava/lang/ref/WeakReference; 36B (28 unique)
05-08 10:27:32.895: W/dalvikvm(175): 1 of Landroid/app/ActivityThread$ProviderClientRecord; 28B
05-08 10:27:32.895: W/dalvikvm(175): 1 of Landroid/app/ActivityThread$ApplicationThread; 28B
05-08 10:27:32.905: W/dalvikvm(175): 5 of Landroid/content/ContentProvider$Transport; 28B (5 unique)
05-08 10:27:32.905: W/dalvikvm(175): 3 of Landroid/app/LoadedApk$ReceiverDispatcher$InnerReceiver; 28B (3 unique)
05-08 10:27:32.905: W/dalvikvm(175): 2 of Landroid/app/LoadedApk$ReceiverDispatcher$InnerReceiver; 36B (2 unique)
05-08 10:27:32.905: W/dalvikvm(175): 345 of Landroid/database/ContentObserver$Transport; 28B (345 unique)
05-08 10:27:32.905: W/dalvikvm(175): 23 of Landroid/database/ContentObserver$Transport; 36B (23 unique)
05-08 10:27:32.905: W/dalvikvm(175): 2 of Landroid/view/inputmethod/InputMethodManager$ControlledInputConnectionWrapper; 36B (2 unique)
05-08 10:27:32.905: W/dalvikvm(175): 2 of Landroid/view/ViewRoot$InputMethodCallback; 28B (2 unique)
05-08 10:27:32.905: W/dalvikvm(175): 1 of Landroid/view/ViewRoot$W; 28B
05-08 10:27:32.905: W/dalvikvm(175): 1 of Landroid/view/inputmethod/InputMethodManager$1; 28B
05-08 10:27:32.905: W/dalvikvm(175): 1 of Landroid/view/accessibility/AccessibilityManager$1; 28B
05-08 10:27:32.905: W/dalvikvm(175): 703 of Landroid/database/CursorToBulkCursorAdaptor; 44B (355 unique)
05-08 10:27:32.905: W/dalvikvm(175): 31 of Landroid/database/CursorToBulkCursorAdaptor; 52B (16 unique)
05-08 10:27:32.905: W/dalvikvm(175): Memory held directly by tracked refs is 73876 bytes
05-08 10:27:32.905: E/dalvikvm(175): Excessive JNI global references (2001)
05-08 10:27:32.905: E/dalvikvm(175): VM aborting
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05-08 10:40:52.426: E/InputDispatcher(61): channel '407dd458 myApp/myApp.myActivity (server)' ~ Consumer closed input channel or an error occurred. events=0x8
05-08 10:40:52.426: E/InputDispatcher(61): channel '407dd458 myApp/myApp.myActivityy (server)' ~ Channel is unrecoverably broken and will be disposed!
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05-08 10:30:27.586: E/ContactsProvider(1309): Cannot determine the default account for contacts compatibility
05-08 10:30:27.586: E/ContactsProvider(1309): android.accounts.AuthenticatorException: bind failure
05-08 10:30:27.586: E/ContactsProvider(1309): at android.accounts.AccountManager.convertErrorToException(AccountManager.java:1437)
05-08 10:30:27.586: E/ContactsProvider(1309): at android.accounts.AccountManager.access$400(AccountManager.java:138)
05-08 10:30:27.586: E/ContactsProvider(1309): at android.accounts.AccountManager$BaseFutureTask$Response.onError(AccountManager.java:1342)
05-08 10:30:27.586: E/ContactsProvider(1309): at android.accounts.IAccountManagerResponse$Stub.onTransact(IAccountManagerResponse.java:69)
05-08 10:30:27.586: E/ContactsProvider(1309): at android.os.Binder.execTransact(Binder.java:320)
05-08 10:30:27.586: E/ContactsProvider(1309): at dalvik.system.NativeStart.run(Native Method)
答案 0 :(得分：1)
如果您没有JNI代码（我猜不是），那么您将遇到Android限制，并且（1）您做错了或（2） - 更有可能您需要实施解决方法，例如一次加载一些消息。