fdroid: add update checker

2 files changed, 18 insertions, 4 deletions

diff --git a/org.fox.ttrss/build.gradle b/org.fox.ttrss/build.gradle
index 4a23cd3e..b6ebc812 100755
--- a/org.fox.ttrss/build.gradle
+++ b/org.fox.ttrss/build.gradle
@@ -8,6 +8,7 @@ android {
         applicationId "org.fox.ttrss"
         buildConfigField "long", "TIMESTAMP", System.currentTimeMillis() + "L"
         buildConfigField "boolean", "ENABLE_TRIAL", "true"
+        buildConfigField "boolean", "ENABLE_UPDATER", "false"
         minSdkVersion 16
         targetSdkVersion 29
     }
@@ -37,11 +38,12 @@ android {
 
         fdroid {
             minifyEnabled  false
-				versionNameSuffix "-fdroid"
+            versionNameSuffix "-fdroid"
             proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.txt'
-				buildConfigField "boolean", "ENABLE_TRIAL", "false"
-				signingConfig signingConfigs.fdroid
-				matchingFallbacks = ['release']
+            buildConfigField "boolean", "ENABLE_TRIAL", "false"
+            buildConfigField "boolean", "ENABLE_UPDATER", "true"
+            signingConfig signingConfigs.fdroid
+            matchingFallbacks = ['release']
         }
     }
 }
@@ -73,4 +75,5 @@ dependencies {
     annotationProcessor 'frankiesardo:icepick-processor:3.2.0'
     implementation 'com.github.livefront:bridge:v1.1.1'
     implementation files('libs/YouTubeAndroidPlayerApi.jar')
+    implementation 'com.github.javiersantos:AppUpdater:2.7'
 }
diff --git a/org.fox.ttrss/src/main/java/org/fox/ttrss/OnlineActivity.java b/org.fox.ttrss/src/main/java/org/fox/ttrss/OnlineActivity.java
index b188f2b8..69a05b23 100755
--- a/org.fox.ttrss/src/main/java/org/fox/ttrss/OnlineActivity.java
+++ b/org.fox.ttrss/src/main/java/org/fox/ttrss/OnlineActivity.java
@@ -31,6 +31,8 @@ import android.widget.EditText;
 import android.widget.ListView;
 import android.widget.TextView;
 
+import com.github.javiersantos.appupdater.AppUpdater;
+import com.github.javiersantos.appupdater.enums.UpdateFrom;
 import com.google.gson.Gson;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
@@ -256,11 +258,20 @@ public class OnlineActivity extends CommonActivity {
 			switchOfflineSuccess();			
 		} else {
 			checkTrial(false);
+			checkUpdates();
 			
 			m_headlinesActionModeCallback = new HeadlinesActionModeCallback();
 		}
 	}
 
+	protected void checkUpdates() {
+		if (BuildConfig.DEBUG || BuildConfig.ENABLE_UPDATER) {
+			new AppUpdater(this)
+					.setUpdateFrom(UpdateFrom.JSON)
+					.setUpdateJSON(String.format("https://srv.tt-rss.org/fdroid/updates/%1$s.json", this.getPackageName()))
+					.start();
+		}
+	}
 
 	protected void switchOffline() {
 		AlertDialog.Builder builder = new AlertDialog.Builder(this)