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increase cursor window size on Android P when restoring messages

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Christian Schneppe 2019-12-08 15:43:21 +01:00
parent 31c16b0f8f
commit e0e158e5fc
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3 changed files with 25 additions and 5 deletions
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2
src/main/java/de/pixart/messenger/Config.java
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@ -112,7 +112,7 @@ public final class Config {
public static final boolean PUT_AUTH_TAG_INTO_KEY = true;
public static final int MAX_DISPLAY_MESSAGE_CHARS = 4096;
public static final int MAX_STORAGE_MESSAGE_CHARS = 1024 * 1024; //1MB
public static final int MAX_STORAGE_MESSAGE_CHARS = 2 * 1024 * 1024; //2MB
public static final boolean ExportLogs = true; // automatically export logs
public static final int ExportLogs_Hour = 4; //Time - hours: valid values from 0 to 23

7
src/main/java/de/pixart/messenger/persistance/DatabaseBackend.java
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@ -51,6 +51,7 @@ import de.pixart.messenger.entities.Roster;
import de.pixart.messenger.entities.ServiceDiscoveryResult;
import de.pixart.messenger.services.ShortcutService;
import de.pixart.messenger.utils.CryptoHelper;
import de.pixart.messenger.utils.CursorUtils;
import de.pixart.messenger.utils.FtsUtils;
import de.pixart.messenger.utils.Resolver;
import de.pixart.messenger.xmpp.InvalidJid;
@ -793,12 +794,10 @@ public class DatabaseBackend extends SQLiteOpenHelper {
null, null, Message.TIME_SENT + " DESC",
String.valueOf(limit));
}
CursorUtils.upgradeCursorWindowSize(cursor);
while (cursor.moveToNext()) {
try {
final Message message = Message.fromCursor(cursor, conversation);
if (message != null && !message.isMessageDeleted()) {
list.add(0, message);
}
list.add(0, Message.fromCursor(cursor, conversation));
} catch (Exception e) {
Log.e(Config.LOGTAG, "unable to restore message");
}

21
src/main/java/de/pixart/messenger/utils/CursorUtils.java Normal file
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@ -0,0 +1,21 @@
package de.pixart.messenger.utils;
import android.database.AbstractWindowedCursor;
import android.database.Cursor;
import android.database.CursorWindow;
import android.database.sqlite.SQLiteCursor;
public class CursorUtils {
public static void upgradeCursorWindowSize(final Cursor cursor) {
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.P) {
if (cursor instanceof AbstractWindowedCursor) {
final AbstractWindowedCursor windowedCursor = (AbstractWindowedCursor) cursor;
windowedCursor.setWindow(new CursorWindow("8k", 8 * 1024 * 1024));
}
if (cursor instanceof SQLiteCursor) {
((SQLiteCursor) cursor).setFillWindowForwardOnly(true);
}
}
}
}