introduce app intro and some help screens

1 files changed, 39 insertions, 0 deletions

diff --git a/src/main/java/de/pixart/messenger/ui/util/IntroHelper.java b/src/main/java/de/pixart/messenger/ui/util/IntroHelper.java
new file mode 100644
index 000000000..817551c4f
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/ui/util/IntroHelper.java
@@ -0,0 +1,39 @@
+package de.pixart.messenger.ui.util;
+
+import android.app.Activity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.preference.PreferenceManager;
+
+import de.pixart.messenger.ui.IntroActivity;
+
+import static de.pixart.messenger.ui.IntroActivity.ACTIVITY;
+import static de.pixart.messenger.ui.IntroActivity.MULTICHAT;
+
+public class IntroHelper {
+    public static void showIntro(Activity activity, boolean mode_multi) {
+        Thread t = new Thread(() -> {
+            SharedPreferences getPrefs = PreferenceManager.getDefaultSharedPreferences(activity.getBaseContext());
+            String activityname = activity.getClass().getSimpleName();
+            String INTRO = "intro_shown_on_activity_" + activityname + "_MultiMode_" + mode_multi;
+            boolean SHOW_INTRO = getPrefs.getBoolean(INTRO, true);
+
+            if (SHOW_INTRO) {
+                final Intent i = new Intent(activity, IntroActivity.class);
+                i.putExtra(ACTIVITY, activityname);
+                i.putExtra(MULTICHAT, mode_multi);
+                activity.runOnUiThread(() -> activity.startActivity(i));
+            }
+        });
+        t.start();
+    }
+
+    public static void SaveIntroShown(Context context, String activity, boolean mode_multi) {
+        SharedPreferences getPrefs = PreferenceManager.getDefaultSharedPreferences(context);
+        String INTRO = "intro_shown_on_activity_" + activity + "_MultiMode_" + mode_multi;
+        SharedPreferences.Editor e = getPrefs.edit();
+        e.putBoolean(INTRO, false);
+        e.apply();
+    }
+}