Dynamically change log level

app/src/main/java/eu/faircode/email/ApplicationEx.java

@@ -67,7 +67,7 @@ public class ApplicationEx extends Application
 
     @Override
     protected void attachBaseContext(Context base) {
-        TinyLogConfigurationLoader.setup(base);
+        FairEmailLoggingProvider.setup(base);
 
         Runtime.getRuntime().addShutdownHook(new Thread() {
             @Override
@@ -413,6 +413,10 @@ public class ApplicationEx extends Application
                     // Should be excluded for import
                     restart(this, key);
                     break;
+                case "debug":
+                case "log_level":
+                    FairEmailLoggingProvider.setLevel(this);
+                    break;
             }
         } catch (Throwable ex) {
             Log.e(ex);

app/src/main/java/eu/faircode/email/DebugHelper.java

@@ -1308,7 +1308,7 @@ public class DebugHelper {
             attachment.progress = 0;
             attachment.id = db.attachment().insertAttachment(attachment);
 
-            attachment.zip(context, TinyLogConfigurationLoader.getFiles(context));
+            attachment.zip(context, FairEmailLoggingProvider.getLogFiles(context));
 /*
             // https://cheatsheetseries.owasp.org/cheatsheets/OS_Command_Injection_Defense_Cheat_Sheet.html#java
             ProcessBuilder pb = new ProcessBuilder("/system/bin/logcat",

app/src/main/java/eu/faircode/email/FairEmailLoggingProvider.java

@@ -25,55 +25,74 @@ import android.content.SharedPreferences;
 import androidx.preference.PreferenceManager;
 
 import org.tinylog.Level;
-import org.tinylog.configuration.PropertiesConfigurationLoader;
+import org.tinylog.core.TinylogLoggingProvider;
+import org.tinylog.format.MessageFormatter;
+import org.tinylog.provider.ProviderRegistry;
 
 import java.io.File;
 import java.util.Arrays;
 import java.util.Comparator;
-import java.util.Properties;
 
 // https://tinylog.org/v2/configuration/
 // https://github.com/tinylog-org/tinylog-android-example/blob/v2/app/src/main/resources/tinylog.properties
 
-public class TinyLogConfigurationLoader extends PropertiesConfigurationLoader {
-    private static Level level = Level.TRACE;
+public class FairEmailLoggingProvider extends TinylogLoggingProvider {
+    private Level activeLevel = Level.WARN;
+
+    public void setLevel(Level level) {
+        activeLevel = level;
+    }
 
     @Override
-    public Properties load() {
-        Properties props = super.load();
-        props.setProperty("level", level.name());
-        return props;
+    public boolean isEnabled(int depth, String tag, Level level) {
+        return (activeLevel.ordinal() <= level.ordinal() &&
+                super.isEnabled(depth + 1, tag, level));
+    }
+
+    @Override
+    public void log(int depth, String tag, Level level, Throwable exception, MessageFormatter formatter, Object obj, Object... arguments) {
+        if (activeLevel.ordinal() <= level.ordinal())
+            super.log(depth, tag, level, exception, formatter, obj, arguments);
+    }
+
+    @Override
+    public void log(String loggerClassName, String tag, Level level, Throwable exception, MessageFormatter formatter, Object obj, Object... arguments) {
+        if (activeLevel.ordinal() <= level.ordinal())
+            super.log(loggerClassName, tag, level, exception, formatter, obj, arguments);
     }
 
     static void setup(Context context) {
+        System.setProperty("tinylog.directory",
+                new File(context.getFilesDir(), "logs").getAbsolutePath());
+
+        setLevel(context);
+    }
+
+    static void setLevel(Context context) {
         SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
-        boolean debug = prefs.getBoolean("debug", false); // Changing requires force stop
+        boolean debug = prefs.getBoolean("debug", false);
+
+        FairEmailLoggingProvider provider = (FairEmailLoggingProvider) ProviderRegistry.getLoggingProvider();
 
         if (debug)
-            level = Level.DEBUG;
+            provider.activeLevel = Level.DEBUG;
         else {
             int def = (BuildConfig.DEBUG || BuildConfig.TEST_RELEASE ? android.util.Log.INFO : android.util.Log.WARN);
             int _level = prefs.getInt("log_level", def);
             if (_level == android.util.Log.VERBOSE)
-                level = Level.TRACE;
+                provider.activeLevel = Level.TRACE;
             else if (_level == android.util.Log.DEBUG)
-                level = Level.DEBUG;
+                provider.activeLevel = Level.DEBUG;
             else if (_level == android.util.Log.INFO)
-                level = Level.INFO;
+                provider.activeLevel = Level.INFO;
             else if (_level == android.util.Log.WARN)
-                level = Level.WARN;
+                provider.activeLevel = Level.WARN;
             else if (_level == android.util.Log.ERROR)
-                level = Level.ERROR;
+                provider.activeLevel = Level.ERROR;
         }
-
-        System.setProperty("tinylog.configurationloader",
-                TinyLogConfigurationLoader.class.getName());
-
-        System.setProperty("tinylog.directory",
-                new File(context.getFilesDir(), "logs").getAbsolutePath());
     }
 
-    static File[] getFiles(Context context) {
+    static File[] getLogFiles(Context context) {
         File[] files = new File(context.getFilesDir(), "logs").listFiles();
 
         if (files == null)

app/src/main/java/eu/faircode/email/FragmentOptionsMisc.java

@@ -901,8 +901,7 @@ public class FragmentOptionsMisc extends FragmentBase implements SharedPreferenc
         swLogInfo.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
             @Override
             public void onCheckedChanged(CompoundButton v, boolean checked) {
-                prefs.edit().putInt("log_level", checked ? android.util.Log.INFO : android.util.Log.WARN).commit();
-                ApplicationEx.restart(v.getContext(), "log_level");
+                prefs.edit().putInt("log_level", checked ? android.util.Log.INFO : android.util.Log.WARN).apply();
             }
         });
 

app/src/main/res/layout/fragment_options_misc.xml

@@ -784,19 +784,6 @@
                     app:layout_constraintTop_toBottomOf="@id/tvProtocolHint"
                     app:switchPadding="12dp" />
 
-                <TextView
-                    android:id="@+id/tvLogInfoHint"
-                    android:layout_width="0dp"
-                    android:layout_height="wrap_content"
-                    android:layout_marginTop="12dp"
-                    android:layout_marginEnd="48dp"
-                    android:text="@string/title_advanced_english_hint"
-                    android:textAppearance="@style/TextAppearance.AppCompat.Small"
-                    android:textStyle="italic"
-                    app:layout_constraintEnd_toEndOf="parent"
-                    app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/swLogInfo" />
-
                 <androidx.appcompat.widget.SwitchCompat
                     android:id="@+id/swDebug"
                     android:layout_width="0dp"
@@ -807,7 +794,7 @@
                     android:text="@string/title_advanced_debug"
                     app:layout_constraintEnd_toEndOf="parent"
                     app:layout_constraintStart_toStartOf="parent"
-                    app:layout_constraintTop_toBottomOf="@id/tvLogInfoHint"
+                    app:layout_constraintTop_toBottomOf="@id/swLogInfo"
                     app:switchPadding="12dp" />
 
                 <TextView

app/src/main/resources/META-INF/services/org.tinylog.provider.LoggingProvider

@@ -0,0 +1 @@
+eu.faircode.email.FairEmailLoggingProvider

app/src/main/resources/tinylog.properties

@@ -1,4 +1,5 @@
-level            = warn
+provider         = fair email
+level            = info
 
 writer1          = logcat
 writer1.format   = {tag} {message}