implement manual update check settings item

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

@@ -26,6 +26,8 @@ import org.joinmastodon.android.api.MastodonAPIController;
 import org.joinmastodon.android.events.SelfUpdateStateChangedEvent;
 
 import java.io.File;
+import java.time.Instant;
+import java.time.LocalDateTime;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
@@ -101,6 +103,12 @@ public class GithubSelfUpdaterImpl extends GithubSelfUpdater{
 		}
 	}
 
+	@Override
+	public void checkForUpdates() {
+		setState(UpdateState.CHECKING);
+		MastodonAPIController.runInBackground(this::actuallyCheckForUpdates);
+	}
+
 	private void actuallyCheckForUpdates(){
 		Request req=new Request.Builder()
 				.url("https://api.github.com/repos/mastodon/mastodon-android/releases/latest")

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

@@ -15,6 +15,7 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowInsets;
 import android.view.WindowManager;
+import android.view.animation.AlphaAnimation;
 import android.view.animation.LinearInterpolator;
 import android.widget.Button;
 import android.widget.ImageButton;
@@ -71,6 +72,7 @@ public class SettingsFragment extends MastodonToolbarFragment{
 	private PushSubscription pushSubscription;
 
 	private ImageView themeTransitionWindowView;
+	private TextItem checkForUpdateItem;
 
 	@Override
 	public void onCreate(Bundle savedInstanceState){
@@ -118,6 +120,10 @@ public class SettingsFragment extends MastodonToolbarFragment{
 		items.add(new TextItem(R.string.settings_privacy_policy, ()->UiUtils.launchWebBrowser(getActivity(), "https://"+session.domain+"/terms")));
 
 		items.add(new RedHeaderItem(R.string.settings_spicy));
+		if (GithubSelfUpdater.needSelfUpdating()) {
+			checkForUpdateItem = new TextItem(R.string.check_for_update, GithubSelfUpdater.getInstance()::checkForUpdates);
+			items.add(checkForUpdateItem);
+		}
 		items.add(new TextItem(R.string.settings_clear_cache, this::clearImageCache));
 		items.add(new TextItem(R.string.log_out, this::confirmLogOut));
 
@@ -326,11 +332,21 @@ public class SettingsFragment extends MastodonToolbarFragment{
 
 	@Subscribe
 	public void onSelfUpdateStateChanged(SelfUpdateStateChangedEvent ev){
-		if(items.get(0) instanceof UpdateItem item){
-			RecyclerView.ViewHolder holder=list.findViewHolderForAdapterPosition(0);
-			if(holder instanceof UpdateViewHolder uvh){
-				uvh.bind(item);
+		checkForUpdateItem.loading = ev.state == GithubSelfUpdater.UpdateState.CHECKING;
+		if (list.findViewHolderForAdapterPosition(items.indexOf(checkForUpdateItem)) instanceof TextViewHolder tvh) tvh.rebind();
+		
+		UpdateItem updateItem = null;
+		if(items.get(0) instanceof UpdateItem item0) {
+			updateItem = item0;
+		} else if (ev.state != GithubSelfUpdater.UpdateState.CHECKING
+				&& ev.state != GithubSelfUpdater.UpdateState.NO_UPDATE) {
+			updateItem = new UpdateItem();
+			items.add(0, updateItem);
+			list.setAdapter(new SettingsAdapter());
 		}
+
+		if(updateItem != null && list.findViewHolderForAdapterPosition(0) instanceof UpdateViewHolder uvh){
+			uvh.bind(updateItem);
 		}
 	}
 
@@ -398,10 +414,16 @@ public class SettingsFragment extends MastodonToolbarFragment{
 	private class TextItem extends Item{
 		private String text;
 		private Runnable onClick;
+		private boolean loading;
 
 		public TextItem(@StringRes int text, Runnable onClick) {
+			this(text, onClick, false);
+		}
+
+		public TextItem(@StringRes int text, Runnable onClick, boolean loading){
 			this.text=getString(text);
 			this.onClick=onClick;
+			this.loading=loading;
 		}
 
 		@Override
@@ -630,14 +652,18 @@ public class SettingsFragment extends MastodonToolbarFragment{
 
 	private class TextViewHolder extends BindableViewHolder<TextItem> implements UsableRecyclerView.Clickable{
 		private final TextView text;
+		private final ProgressBar progress;
+
 		public TextViewHolder(){
 			super(getActivity(), R.layout.item_settings_text, list);
-			text=(TextView) itemView;
+			text = itemView.findViewById(R.id.text);
+			progress = itemView.findViewById(R.id.progress);
 		}
 
 		@Override
 		public void onBind(TextItem item){
 			text.setText(item.text);
+			progress.animate().alpha(item.loading ? 1 : 0);
 		}
 
 		@Override
@@ -692,8 +718,9 @@ public class SettingsFragment extends MastodonToolbarFragment{
 		@Override
 		public void onBind(UpdateItem item){
 			GithubSelfUpdater updater=GithubSelfUpdater.getInstance();
-			GithubSelfUpdater.UpdateInfo info=updater.getUpdateInfo();
 			GithubSelfUpdater.UpdateState state=updater.getState();
+			if (state == GithubSelfUpdater.UpdateState.CHECKING) return;
+			GithubSelfUpdater.UpdateInfo info=updater.getUpdateInfo();
 			if(state!=GithubSelfUpdater.UpdateState.DOWNLOADED){
 				text.setText(getString(R.string.update_available, info.version));
 				button.setText(getString(R.string.download_update, UiUtils.formatFileSize(getActivity(), info.size, false)));

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

@@ -23,6 +23,8 @@ public abstract class GithubSelfUpdater{
 		return BuildConfig.BUILD_TYPE.equals("githubRelease");
 	}
 
+	public abstract void checkForUpdates();
+
 	public abstract void maybeCheckForUpdates();
 
 	public abstract GithubSelfUpdater.UpdateState getState();

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

@@ -1,13 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
-<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 	xmlns:tools="http://schemas.android.com/tools"
+	android:orientation="horizontal"
+	android:paddingLeft="16dp"
+	android:paddingRight="16dp"
 	android:layout_width="match_parent"
 	android:layout_height="48dp"
-	android:paddingLeft="16dp"
+	android:gravity="center_vertical"
+	android:layoutDirection="locale">
+	<TextView
+		android:id="@+id/text"
+		android:layout_width="match_parent"
+		android:layout_weight="1"
+		android:layout_height="48dp"
 		android:paddingRight="16dp"
 		android:gravity="center_vertical"
 		android:textSize="16sp"
 		android:textColor="?android:textColorPrimary"
 		android:singleLine="true"
 		android:ellipsize="end"
-	tools:text="daffdsa"/>
+		tools:text="Account settings"/>
+	<ProgressBar
+		android:id="@+id/progress"
+		android:layout_width="24dp"
+		android:layout_height="24dp"
+		android:layout_gravity="center"
+		android:alpha="0"
+	/>
+</LinearLayout>

mastodon/src/main/res/values-de-rDE/strings.xml

@@ -377,4 +377,5 @@
 	<!-- %s is file size -->
 	<string name="download_update">Download (%s)</string>
 	<string name="install_update">Installieren</string>
+  <string name="check_for_update">Auf Update prüfen</string>
 </resources>

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

@@ -384,6 +384,7 @@
 	<!-- %s is file size -->
 	<string name="download_update">Download (%s)</string>
 	<string name="install_update">Install</string>
+	<string name="check_for_update">Check for update</string>
 	<string name="privacy_policy_title">Mastodon and your privacy</string>
 	<string name="privacy_policy_subtitle">Although the Mastodon app does not collect any data, the server you sign up through may have a different policy. Take a minute to review and agree to the Mastodon app privacy policy and your server\'s privacy policy.</string>
 	<string name="i_agree">I Agree</string>