Working
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20
README.md
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20
README.md
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# RCS Exporter
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I've been using the app SMS Backup & Restore for years. After getting a new phone and transferring the messages over I noticed some were missing.
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I tried to find out why this is happening - because of a "new" message type called RCS: https://en.wikipedia.org/wiki/Rich_Communication_Services
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Essentially those messages are stored in a separate database on the phone, hence not considered regular text messages.
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The above mentioned program is not able to export those messages (as of September 2021).
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I didn't want to reinvent the wheel - there are already enough backup/restore apps for SMS and MMS. Instead I just wanted to be able to export the RCS messages, too. Preferably it should be a format the SMS BR can then import.
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So if you're interested:
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1. Backup your SMS and MMS messages with another program.
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2. Import them on the target phone.
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3. Export the RCS using this app.
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4. Import those on the new phone as well.
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Remarks:
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- This program has only been tested with text messages. I don't know if images, etc. can be exported as well.
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@@ -11,6 +11,7 @@ android {
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targetSdk 30
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versionCode 1
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versionName "1.0"
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useLibrary 'org.apache.http.legacy'
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testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
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}
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@@ -27,6 +27,10 @@
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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<!-- https://developer.android.com/about/versions/pie/android-9.0-changes-28#apache-p-->
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<uses-library android:name="org.apache.http.legacy" android:required="false"/>
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</application>
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</manifest>
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@@ -1,29 +1,40 @@
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package de.server47.smsexport;
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import android.app.Activity;
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import android.content.Intent;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Bundle;
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import android.util.Log;
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import android.view.View;
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import android.widget.Button;
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import android.widget.Toast;
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import androidx.annotation.Nullable;
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import androidx.documentfile.provider.DocumentFile;
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import java.io.File;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.text.SimpleDateFormat;
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import java.util.ArrayList;
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import java.util.Calendar;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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public class MainActivity extends Activity
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{
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Button bRead;
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Button bRead, bWrite;
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final static int typeSMS = 0;
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final static int typeMMS = 1;
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final static int typeICS = 2;
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final static int requestCodeExport = 815;
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String contentToWrite = "bla";
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@Override
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protected void onCreate(@Nullable Bundle savedInstanceState)
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{
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@@ -31,6 +42,7 @@ public class MainActivity extends Activity
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setContentView(R.layout.main_activity);
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bRead = (Button)findViewById(R.id.bRead);
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bWrite = (Button)findViewById(R.id.bWrite);
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bRead.setOnClickListener(new View.OnClickListener()
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{
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@@ -48,37 +60,118 @@ public class MainActivity extends Activity
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export.append("backup_date=\"1631273111057\"");
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export.append("type=\"full\">");
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// 05.05.2001 19:15:00
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String pattern = "dd-MM-yyyy H:m:s";
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String pattern = "dd.MM.yyyy H:m:s";
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SimpleDateFormat simpleDateFormat = new SimpleDateFormat(pattern);
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for(int i = 0; i < response.size(); i++)
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{
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Calendar cal = Calendar.getInstance();
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cal.setTimeInMillis(Long.parseLong(response.get(i).get("date")));
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/*
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type: 1 = inbound
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type: 2 = outbound
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*/
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export.append(
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"<sms protocol=\"0\"" +
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"address=\"" + response.get(i).get("remote_uri").replace("tel:", "") + "\"" +
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"date=\"" + response.get(i).get("date") + "\"" +
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"type=\"1\"" +
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"subject=\"null\"" +
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"body=\"" + response.get(i).get("body") + "\"" +
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"toa=\"null\"" +
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"sc_toa=\"null\"" +
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"service_center=\"null\"" +
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"read=\"1\"" +
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"status=\"-1\"" +
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"locked=\"0\"" +
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"date_sent=\"0\"" +
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"sub_id=\"-1\"" +
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"readable_date=\"" + 05.05.2001 19:15:00 + "\"" +
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"contact_name=\"(Unknown)\"/>";
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response.get(i).get()
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"<sms protocol=\"0\"" +
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"address=\"" + response.get(i).get("remote_uri").replace("tel:", "") + "\"" +
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"date=\"" + response.get(i).get("date") + "\"" +
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"type=\"" + response.get(i).get("type") + "\"" +
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"subject=\"null\"" +
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"body=\"" + response.get(i).get("body") + "\"" +
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"toa=\"null\"" +
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"sc_toa=\"null\"" +
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"service_center=\"null\"" +
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"read=\"1\"" +
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"status=\"-1\"" +
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"locked=\"0\"" +
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"date_sent=\"" + response.get(i).get("date_sent") + "\"" +
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"sub_id=\"-1\"" +
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"readable_date=\"" + simpleDateFormat.format(cal.getTime()) + "\"" +
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"contact_name=\"(Unknown)\"/>"
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);
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}
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export.append("</smses>");
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contentToWrite = export.toString();
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}
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}
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});
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bWrite.setOnClickListener(new View.OnClickListener()
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{
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@Override
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public void onClick(View v)
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{
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Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT_TREE);
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startActivityForResult(intent, requestCodeExport);
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}
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});
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}
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@Override
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protected void onActivityResult(int requestCode, int resultCode, Intent data)
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{
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super.onActivityResult(requestCode, resultCode, data);
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if(resultCode == RESULT_OK)
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{
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switch (requestCode)
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{
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case requestCodeExport:
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if (resultCode == RESULT_OK)
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{
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Uri uriTree = data.getData();
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exportFiles(uriTree, contentToWrite);
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}
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break;
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}
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}
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}
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void exportFiles(Uri uriTree, String content)
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{
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String fileName = "Message_export_" + String.valueOf(Calendar.getInstance().getTimeInMillis()) + ".xml";
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DocumentFile directory = DocumentFile.fromTreeUri(this, uriTree);
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// Clean up
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// for(DocumentFile file : directory.listFiles())
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// {
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// /*
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// On some few users' devices it seems this caused a crash because file.getName() was null.
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// The reason for that remains unknown, but we don't want the export to crash because of it.
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// */
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// if(!StringUtils.isEmpty(file.getName()))
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// {
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// if (file.getName().equals(XmlFileInterface.settingsFileName) && file.canWrite())
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// file.delete();
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// else if (file.getName().equals(prefsFileName) && file.canWrite())
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// file.delete();
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// }
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// }
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DocumentFile exportFile = directory.createFile("text/xml", fileName);
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if(exportFile.canWrite())
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{
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try
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{
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OutputStream out = getApplicationContext().getContentResolver().openOutputStream(exportFile.getUri());
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out.write(content.getBytes());
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out.close();
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Toast.makeText(MainActivity.this, "Export complete.", Toast.LENGTH_LONG).show();
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}
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catch (IOException e)
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{
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e.printStackTrace();
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Toast.makeText(MainActivity.this, "Error while writing file.", Toast.LENGTH_LONG).show();
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}
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}
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// else
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// Toast.makeText(MainActivity.this, getResources().getString(R.string.ConfigurationExportError), Toast.LENGTH_LONG).show();
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}
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List<Map<String,String>> readMessages(int messageType)
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@@ -2,8 +2,16 @@
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<androidx.appcompat.widget.LinearLayoutCompat xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent"
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android:orientation="vertical"
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android:layout_margin="@dimen/defaultMargin"
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android:gravity="center_horizontal">
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<TextView
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/app_name"
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android:textAppearance="@style/TextAppearance.MaterialComponents.Headline2" />
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<Button
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android:id="@+id/bRead"
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android:layout_width="wrap_content"
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@@ -11,4 +19,11 @@
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android:layout_gravity="center"
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android:text="Read" />
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<Button
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android:id="@+id/bWrite"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:layout_gravity="center"
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android:text="Write" />
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</androidx.appcompat.widget.LinearLayoutCompat>
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@@ -1,3 +1,4 @@
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<resources>
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<dimen name="fab_margin">16dp</dimen>
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<dimen name="defaultMargin">25px</dimen>
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</resources>
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@@ -1,5 +1,5 @@
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<resources>
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<string name="app_name">SmsExport</string>
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<string name="app_name">RcsExport</string>
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<string name="action_settings">Settings</string>
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<!-- Strings used for fragments for navigation -->
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<string name="first_fragment_label">First Fragment</string>
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