[app] Add prompt if the verbose log is not available (#219)

app/src/main/java/io/github/lsposed/manager/ui/activity/LogsActivity.java

@@ -219,6 +219,12 @@ public class LogsActivity extends BaseActivity {
         ParcelFileDescriptor parcelFileDescriptor = ConfigManager.getLogs(verbose);
         if (parcelFileDescriptor != null) {
             new LogsReader().execute(parcelFileDescriptor.getFileDescriptor());
+        } else {
+            binding.slidingTabs.selectTab(binding.slidingTabs.getTabAt(0));
+            new AlertDialog.Builder(this)
+                    .setMessage(R.string.verbose_log_not_avaliable)
+                    .setPositiveButton(android.R.string.ok, null)
+                    .show();
         }
     }
 

app/src/main/java/io/github/lsposed/manager/ui/activity/SettingsActivity.java

@@ -204,7 +204,16 @@ public class SettingsActivity extends BaseActivity {
                 } else {
                     prefVerboseLogs.setEnabled(installed);
                     prefVerboseLogs.setChecked(!ConfigManager.isVerboseLogEnabled());
-                    prefVerboseLogs.setOnPreferenceChangeListener((preference, newValue) -> ConfigManager.setVerboseLogEnabled(!(boolean) newValue));
+                    prefVerboseLogs.setOnPreferenceChangeListener((preference, newValue) -> {
+                        boolean result = ConfigManager.setVerboseLogEnabled(!(boolean) newValue);
+                        SettingsActivity activity = (SettingsActivity) getActivity();
+                        if (result && activity != null) {
+                            Snackbar.make(activity.binding.snackbar, R.string.reboot_required, Snackbar.LENGTH_SHORT)
+                                    .setAction(R.string.reboot, v -> ConfigManager.reboot(false, null, false))
+                                    .show();
+                        }
+                        return result;
+                    });
                 }
             }
 

app/src/main/res/values-zh-rCN/strings.xml

@@ -1,5 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?><!--
-<!--
   ~ This file is part of LSPosed.
   ~
   ~ LSPosed is free software: you can redistribute it and/or modify
@@ -182,4 +181,5 @@
     <string name="reboot_required">需要重新启动才能应用此更改</string>
     <string name="reboot">重新启动</string>
     <string name="not_logcat_2">如果有人要求您提供一份 Android 系统日志，那么您来错了地方。在此处显示的是 LSPosed 的日志信息；如果您想抓取系统日志，可前往 XDA 寻求所需的答案。</string>
+    <string name="verbose_log_not_avaliable">详细日志不可用，如果您只是启用了它而没有重新启动，请在重新启动后再试一次。</string>
 </resources>

app/src/main/res/values/strings.xml

@@ -166,4 +166,5 @@
     <string name="app_destroyed">This application has been destroyed, please make sure you download it from the official source.</string>
     <string name="outdated_manager">Version of LSPosed Manager and LSPosed Core are not consistent. Please re-install the corresponding version.</string>
     <string name="lsposed_not_active">LSPosed is not currently installed or active.</string>
+    <string name="verbose_log_not_avaliable">Verbose log is not available, if you just enabled it without reboot, try again after reboot.</string>
 </resources>