Lagrange [work/v1.8]

Android: External downloads; Back button handling; bumped version

=> 0593bbdf2286e88222316bfd0b5f6b348c60ea73

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4b1dfef1..0a654d7b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -30,8 +30,8 @@ if (IOS)
 endif ()
 if (ANDROID)
     set (PROJECT_VERSION 1.10)
-    set (ANDROID_BUILD_VERSION a3)  # remember to update Gradle, AndroidManifest.xml
-    set (ANDROID_BUILD_DATE "2022-01-03")
+    set (ANDROID_BUILD_VERSION a4)  # remember to update Gradle, AndroidManifest.xml
+    set (ANDROID_BUILD_DATE "2022-01-20")
 endif ()
 
 # Defaults that depend on environment.
diff --git a/res/about/android-version.gmi b/res/about/android-version.gmi
index fc7b444b..c36d5be4 100644
--- a/res/about/android-version.gmi
+++ b/res/about/android-version.gmi
@@ -6,6 +6,11 @@
 ```
 # Release notes
 
+## 1.10 (Alpha 4)
+* Save downloads to the external storage so they're accessible from a file manager.
+* Handle Gemini, Gopher and Finger URIs opened from other apps.
+* Back button dismisses UI panels/dialogs when appropriate instead of navigating back.
+
 ## 1.10 (Alpha 3)
 * Added Android-specific release notes.
 * Added Settings > UI > Toolbar Actions: customize the two leftmost phone toolbar buttons.
diff --git a/src/app.c b/src/app.c
index 6392e7fa..a137dc23 100644
--- a/src/app.c
+++ b/src/app.c
@@ -333,7 +333,9 @@ static const char *dataDir_App_(void) {
 
 static const char *downloadDir_App_(void) {
 #if defined (iPlatformAndroidMobile)
-    return concatPath_CStr(SDL_AndroidGetInternalStoragePath(), "Downloads");
+    const char *dir = concatPath_CStr(SDL_AndroidGetExternalStoragePath(), "Downloads");
+    makeDirs_Path(collectNewCStr_String(dir));
+    return dir;
 #endif
 #if defined (iPlatformLinux) || defined (iPlatformOther)
     /* Parse user-dirs.dirs using the `xdg-user-dir` tool. */
@@ -1391,6 +1393,16 @@ void processEvents_App(enum iAppEventMode eventMode) {
                     ev.key.keysym.mod = mapMods_Keys(ev.key.keysym.mod & ~KMOD_CAPS);
                 }
 #if defined (iPlatformAndroidMobile)
+                /* Use the system Back button to close panels, if they're open. */
+                if (ev.type == SDL_KEYDOWN && ev.key.keysym.sym == SDLK_AC_BACK) {
+                    SDL_UserEvent panelBackCmd = { .type = SDL_USEREVENT,
+                                                   .code = command_UserEventCode,
+                                                   .data1 = iDupStr("panel.close"),
+                                                   .data2 = d->window->base.keyRoot };
+                    if (dispatchEvent_Window(&d->window->base, (SDL_Event *) &panelBackCmd)) {
+                        continue; /* Was handled by someone. */
+                    }
+                }
                 /* Ignore all mouse events; just use touch. */
                 if (ev.type == SDL_MOUSEBUTTONDOWN ||
                     ev.type == SDL_MOUSEBUTTONUP ||