add changelog to updater

thanks, @LucasGGamerM!

mastodon/src/github/java/org/joinmastodon/android/updater/GithubSelfUpdaterImpl.java

@@ -61,6 +61,7 @@ public class GithubSelfUpdaterImpl extends GithubSelfUpdater{
 			info=new UpdateInfo();
 			info.version=prefs.getString("version", null);
 			info.size=prefs.getLong("apkSize", 0);
+			info.changelog=prefs.getString("changelog", null);
 			downloadID=prefs.getLong("downloadID", 0);
 			if(downloadID==0 || !getUpdateApkFile().exists()){
 				state=UpdateState.UPDATE_AVAILABLE;
@@ -84,6 +85,7 @@ public class GithubSelfUpdaterImpl extends GithubSelfUpdater{
 					.remove("apkURL")
 					.remove("checkedByBuild")
 					.remove("downloadID")
+					.remove("changelog")
 					.apply();
 		}
 	}
@@ -117,6 +119,7 @@ public class GithubSelfUpdaterImpl extends GithubSelfUpdater{
 		try(Response resp=call.execute()){
 			JsonObject obj=JsonParser.parseReader(resp.body().charStream()).getAsJsonObject();
 			String tag=obj.get("tag_name").getAsString();
+			String changelog=obj.get("body").getAsString();
 			Pattern pattern=Pattern.compile("v?(\\d+)\\.(\\d+)\\.(\\d+)\\+fork\\.(\\d+)");
 			Matcher matcher=pattern.matcher(tag);
 			if(!matcher.find()){
@@ -151,12 +154,14 @@ public class GithubSelfUpdaterImpl extends GithubSelfUpdater{
 						UpdateInfo info=new UpdateInfo();
 						info.size=size;
 						info.version=version;
+						info.changelog=changelog;
 						this.info=info;
 
 						getPrefs().edit()
 								.putLong("apkSize", size)
 								.putString("version", version)
 								.putString("apkURL", url)
+								.putString("changelog", changelog)
 								.putInt("checkedByBuild", BuildConfig.VERSION_CODE)
 								.remove("downloadID")
 								.apply();

mastodon/src/main/java/org/joinmastodon/android/fragments/SettingsFragment.java

@@ -959,7 +959,7 @@ public class SettingsFragment extends MastodonToolbarFragment{
 
 	private class UpdateViewHolder extends BindableViewHolder<UpdateItem>{
 
-		private final TextView text;
+		private final TextView text, changelog;
 		private final Button button;
 		private final ImageButton cancelBtn;
 		private final ProgressBar progress;
@@ -970,6 +970,7 @@ public class SettingsFragment extends MastodonToolbarFragment{
 		public UpdateViewHolder(){
 			super(getActivity(), R.layout.item_settings_update, list);
 			text=findViewById(R.id.text);
+			changelog=findViewById(R.id.changelog);
 			button=findViewById(R.id.button);
 			cancelBtn=findViewById(R.id.cancel_btn);
 			progress=findViewById(R.id.progress);
@@ -1013,6 +1014,7 @@ public class SettingsFragment extends MastodonToolbarFragment{
 				progress.setVisibility(View.GONE);
 				progress.removeCallbacks(progressUpdater);
 			}
+			changelog.setText(info.changelog);
 		}
 
 		private void updateProgress(){

mastodon/src/main/java/org/joinmastodon/android/updater/GithubSelfUpdater.java

@@ -51,6 +51,7 @@ public abstract class GithubSelfUpdater{
 
 	public static class UpdateInfo{
 		public String version;
+		public String changelog;
 		public long size;
 	}
 }

mastodon/src/main/res/layout/item_settings_update.xml

@@ -5,13 +5,17 @@
 	android:layout_height="wrap_content"
 	android:padding="8dp">
 
+	<LinearLayout
+		android:layout_width="match_parent"
+		android:layout_height="wrap_content"
+		android:orientation="vertical"
+		android:background="@drawable/bg_settings_update">
+
 		<LinearLayout
 			android:layout_width="match_parent"
 			android:layout_height="wrap_content"
 			android:minHeight="64dp"
 			android:gravity="center_vertical"
-		android:paddingStart="16dp"
-		android:background="@drawable/bg_settings_update"
 			android:orientation="horizontal">
 
 			<TextView
@@ -19,27 +23,22 @@
 				android:layout_width="0dp"
 				android:layout_height="wrap_content"
 				android:layout_weight="1"
-			android:layout_marginEnd="4dp"
-			android:layout_marginTop="16dp"
-			android:layout_marginBottom="16dp"
+				android:layout_marginVertical="16dp"
+				android:layout_marginEnd="16dp"
+				android:layout_marginStart="8dp"
 				android:textAppearance="@style/m3_body_medium"
 				tools:text="@string/sk_update_available"/>
 
 			<FrameLayout
 				android:layout_width="wrap_content"
-			android:layout_height="wrap_content">
+				android:layout_height="wrap_content"
+				android:layout_marginEnd="16dp">
 
 				<Button
 					android:id="@+id/button"
 					android:layout_width="wrap_content"
 					android:layout_height="wrap_content"
 					android:layout_gravity="center_vertical|end"
-				android:background="?android:selectableItemBackground"
-				android:textColor="?android:textColorPrimary"
-				android:textAllCaps="true"
-				android:textSize="14sp"
-				android:paddingLeft="16dp"
-				android:paddingRight="16dp"
 					android:stateListAnimator="@null"
 					tools:text="@string/install_update"/>
 
@@ -48,7 +47,6 @@
 					android:layout_width="40dp"
 					android:layout_height="40dp"
 					android:layout_gravity="end|center_vertical"
-				android:layout_marginEnd="16dp"
 					android:background="@drawable/bg_update_download_progress"
 					android:tint="?colorSearchHint"
 					android:contentDescription="@string/cancel"
@@ -60,7 +58,6 @@
 					android:layout_width="40dp"
 					android:layout_height="40dp"
 					android:layout_gravity="end|center_vertical"
-				android:layout_marginEnd="16dp"
 					android:progressDrawable="@drawable/update_progress"
 					android:max="1000"
 					android:padding="0dp"
@@ -72,4 +69,23 @@
 
 		</LinearLayout>
 
+		<TextView
+			android:id="@+id/changelog_header"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:textAppearance="@style/m3_title_medium"
+			android:paddingHorizontal="16dp"
+			android:text="@string/sk_changelog" />
+
+		<TextView
+			android:id="@+id/changelog"
+			android:layout_width="match_parent"
+			android:layout_height="wrap_content"
+			android:textAppearance="@style/m3_body_medium"
+			android:paddingHorizontal="16dp"
+			android:paddingTop="8dp"
+			android:paddingBottom="16dp"/>
+
+	</LinearLayout>
+
 </FrameLayout>

mastodon/src/main/res/values/strings_sk.xml

@@ -148,4 +148,5 @@
     <string name="sk_remove_follower_confirm">Remove %s as a follower by blocking and immediately unblocking them?</string>
     <string name="sk_do_remove_follower">Remove</string>
     <string name="sk_remove_follower_success">Successfully removed follower</string>
+    <string name="sk_changelog">Changelog</string>
 </resources>