亲爱的朋友其实我的要求是在Android中发送和阅读短信 当我收到短信时，我将使用收到的短信更新我的数据库并在更新后删除短信 所以我不想去购买系统应用程序我正在使用Android Studio 等待帮助
答案 0 :(得分：1)
此代码将帮助您从数据库中读取短信并将其放入listview
SecureMessagesActivity.java
import java.util.ArrayList;
import android.app.Activity;
import android.content.ContentResolver;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.Toast;
public class SecureMessagesActivity extends Activity implements OnItemClickListener
{
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.sms_layout);
/**
* You can also register your intent filter here.
* And here is example how to do this.
*
* IntentFilter filter = new IntentFilter( "android.provider.Telephony.SMS_RECEIVED" );
* filter.setPriority( IntentFilter.SYSTEM_HIGH_PRIORITY );
* registerReceiver( new SmsReceiver(), filter );
**/
displaySMS();
}
ArrayList<String> smsList = new ArrayList<String>();
public void onItemClick( AdapterView<?> parent, View view, int pos, long id )
{
try
{
String[] splitted = smsList.get( pos ).split("\n");
String sender = splitted[0];
String encryptedData = "";
for ( int i = 1; i < splitted.length; ++i )
{
encryptedData += splitted[i];
}
String data = sender + "\n" + StringCryptor.decrypt( new String(SmsReceiver.PASSWORD), encryptedData );
Toast.makeText( this, data, Toast.LENGTH_SHORT ).show();
}
catch (Exception e)
{
e.printStackTrace();
}
}
private void displaySMS()
{
ContentResolver contentResolver = getContentResolver();
Cursor cursor = contentResolver.query( Uri.parse( "content://sms/inbox" ), null, null, null, null);
int indexBody = cursor.getColumnIndex( SmsReceiver.BODY );
int indexAddr = cursor.getColumnIndex( SmsReceiver.ADDRESS );
if ( indexBody < 0 || !cursor.moveToFirst() ) return;
smsList.clear();
do
{
if ( (cursor.getString( indexAddr ).contains("IRCTC")) && (cursor.getString( indexBody ).startsWith("PNR")) ){
String str = "Sender: " + cursor.getString( indexAddr ) + "\n" + cursor.getString( indexBody );
smsList.add( str );
}
}
while( cursor.moveToNext() );
ListView smsListView = (ListView) findViewById( R.id.SMSList );
smsListView.setAdapter( new ArrayAdapter<String>( this, android.R.layout.simple_list_item_1, smsList) );
smsListView.setOnItemClickListener( this );
}
}
SmsReceiver.java
import android.content.BroadcastReceiver;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.telephony.SmsMessage;
import android.widget.Toast;
public class SmsReceiver extends BroadcastReceiver
{
// All available column names in SMS table
// [_id, thread_id, address,
// person, date, protocol, read,
// status, type, reply_path_present,
// subject, body, service_center,
// locked, error_code, seen]
public static final String SMS_EXTRA_NAME = "pdus";
public static final String SMS_URI = "content://sms";
public static final String ADDRESS = "address";
public static final String PERSON = "person";
public static final String DATE = "date";
public static final String READ = "read";
public static final String STATUS = "status";
public static final String TYPE = "type";
public static final String BODY = "body";
public static final String SEEN = "seen";
public static final int MESSAGE_TYPE_INBOX = 1;
public static final int MESSAGE_TYPE_SENT = 2;
public static final int MESSAGE_IS_NOT_READ = 0;
public static final int MESSAGE_IS_READ = 1;
public static final int MESSAGE_IS_NOT_SEEN = 0;
public static final int MESSAGE_IS_SEEN = 1;
// Change the password here or give a user possibility to change it
public static final byte[] PASSWORD = new byte[]{ 0x20, 0x32, 0x34, 0x47, (byte) 0x84, 0x33, 0x58 };
public void onReceive( Context context, Intent intent )
{
// Get SMS map from Intent
Bundle extras = intent.getExtras();
String messages = "";
if ( extras != null )
{
// Get received SMS array
Object[] smsExtra = (Object[]) extras.get( SMS_EXTRA_NAME );
// Get ContentResolver object for pushing encrypted SMS to incoming folder
ContentResolver contentResolver = context.getContentResolver();
for ( int i = 0; i < smsExtra.length; ++i )
{
SmsMessage sms = SmsMessage.createFromPdu((byte[])smsExtra[i]);
String body = sms.getMessageBody().toString();
String address = sms.getOriginatingAddress();
messages += "SMS from " + address + " :\n";
messages += body + "\n";
putSmsToDatabase( contentResolver, sms );
// Here you can add any your code to work with incoming SMS
// I added encrypting of all received SMS
}
// Display SMS message
Toast.makeText( context, messages, Toast.LENGTH_SHORT ).show();
}
// WARNING!!!
// If you uncomment next line then received SMS will not be put to incoming.
// Be careful!
// this.abortBroadcast();
}
private void putSmsToDatabase( ContentResolver contentResolver, SmsMessage sms )
{
// Create SMS row
ContentValues values = new ContentValues();
values.put( ADDRESS, sms.getOriginatingAddress() );
values.put( DATE, sms.getTimestampMillis() );
values.put( READ, MESSAGE_IS_NOT_READ );
values.put( STATUS, sms.getStatus() );
values.put( TYPE, MESSAGE_TYPE_INBOX );
values.put( SEEN, MESSAGE_IS_NOT_SEEN );
try
{
String encryptedPassword = StringCryptor.encrypt( new String(PASSWORD), sms.getMessageBody().toString() );
values.put( BODY, encryptedPassword );
}
catch ( Exception e )
{
e.printStackTrace();
}
// Push row into the SMS table
contentResolver.insert( Uri.parse( SMS_URI ), values );
}
}
StringCryptor.java
import java.security.SecureRandom;
import javax.crypto.Cipher;
import javax.crypto.KeyGenerator;
import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import android.util.Base64;
public class StringCryptor
{
private static final String CIPHER_ALGORITHM = "AES";
private static final String RANDOM_GENERATOR_ALGORITHM = "SHA1PRNG";
private static final int RANDOM_KEY_SIZE = 128;
// Encrypts string and encode in Base64
public static String encrypt( String password, String data ) throws Exception
{
byte[] secretKey = generateKey( password.getBytes() );
byte[] clear = data.getBytes();
SecretKeySpec secretKeySpec = new SecretKeySpec( secretKey, CIPHER_ALGORITHM );
Cipher cipher = Cipher.getInstance( CIPHER_ALGORITHM );
cipher.init( Cipher.ENCRYPT_MODE, secretKeySpec );
byte[] encrypted = cipher.doFinal( clear );
String encryptedString = Base64.encodeToString( encrypted, Base64.DEFAULT );
return encryptedString;
}
// Decrypts string encoded in Base64
public static String decrypt( String password, String encryptedData ) throws Exception
{
byte[] secretKey = generateKey( password.getBytes() );
SecretKeySpec secretKeySpec = new SecretKeySpec( secretKey, CIPHER_ALGORITHM );
Cipher cipher = Cipher.getInstance( CIPHER_ALGORITHM );
cipher.init( Cipher.DECRYPT_MODE, secretKeySpec );
byte[] encrypted = Base64.decode( encryptedData, Base64.DEFAULT );
byte[] decrypted = cipher.doFinal( encrypted );
return new String( decrypted );
}
public static byte[] generateKey( byte[] seed ) throws Exception
{
KeyGenerator keyGenerator = KeyGenerator.getInstance( CIPHER_ALGORITHM );
SecureRandom secureRandom = SecureRandom.getInstance( RANDOM_GENERATOR_ALGORITHM );
secureRandom.setSeed( seed );
keyGenerator.init( RANDOM_KEY_SIZE, secureRandom );
SecretKey secretKey = keyGenerator.generateKey();
return secretKey.getEncoded();
}
}