Add an introduction video in the launcher activity

A video is more intuitive than a written description and doesn't need
translations.

3 files changed, 35 insertions, 9 deletions

diff --git a/res/layout/launcher_activity.xml b/res/layout/launcher_activity.xml
index 99fdf83..c007299 100644
--- a/res/layout/launcher_activity.xml
+++ b/res/layout/launcher_activity.xml
@@ -1,10 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
-  <TextView style="@style/paragraph" android:text="@string/launcher_description"/>
-  <Button style="@style/paragraph" android:text="@string/launcher_button_imesettings" android:onClick="launch_imesettings" android:layout_width="wrap_content"/>
-  <Button style="@style/paragraph" android:text="@string/launcher_button_imepicker" android:onClick="launch_imepicker" android:layout_width="wrap_content"/>
-  <TextView style="@style/paragraph" android:text="@string/launcher_sourcecode"/>
-  <TextView style="@style/paragraph" android:text="https://github.com/Julow/Unexpected-Keyboard" android:autoLink="web" android:linksClickable="true"/>
-  <TextView android:id="@+id/launcher_tryhere_text" style="@style/paragraph" android:text="@string/launcher_tryhere"/>
-  <EditText android:id="@+id/launcher_tryhere_area" style="@style/paragraph" android:inputType="text"/>
-</LinearLayout>
+<ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:fillViewport="true">
+  <LinearLayout android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical">
+    <TextView style="@style/paragraph" android:text="@string/launcher_description"/>
+    <Button style="@style/paragraph" android:text="@string/launcher_button_imesettings" android:onClick="launch_imesettings" android:layout_width="wrap_content"/>
+    <Button style="@style/paragraph" android:text="@string/launcher_button_imepicker" android:onClick="launch_imepicker" android:layout_width="wrap_content"/>
+    <VideoView android:id="@+id/launcher_intro_video" android:layout_width="240dp" android:layout_height="wrap_content" android:layout_gravity="center"/>
+    <TextView android:id="@+id/launcher_tryhere_text" style="@style/paragraph" android:text="@string/launcher_tryhere"/>
+    <EditText android:id="@+id/launcher_tryhere_area" style="@style/paragraph" android:inputType="text"/>
+    <TextView style="@style/paragraph" android:text="@string/launcher_sourcecode"/>
+    <TextView style="@style/paragraph" android:text="https://github.com/Julow/Unexpected-Keyboard" android:autoLink="web" android:linksClickable="true"/>
+  </LinearLayout>
+</ScrollView>
diff --git a/res/raw/intro_video.mp4 b/res/raw/intro_video.mp4
new file mode 100644
index 0000000..9eefe52
--- /dev/null
+++ b/res/raw/intro_video.mp4
diff --git a/srcs/juloo.keyboard2/LauncherActivity.java b/srcs/juloo.keyboard2/LauncherActivity.java
index 2180b43..8b89770 100644
--- a/srcs/juloo.keyboard2/LauncherActivity.java
+++ b/srcs/juloo.keyboard2/LauncherActivity.java
@@ -2,6 +2,9 @@ package juloo.keyboard2;
 
 import android.app.Activity;
 import android.content.Intent;
+import android.media.AudioManager;
+import android.media.MediaPlayer;
+import android.net.Uri;
 import android.os.Build.VERSION;
 import android.os.Bundle;
 import android.provider.Settings;
@@ -10,10 +13,12 @@ import android.view.View;
 import android.view.inputmethod.InputMethodManager;
 import android.widget.EditText;
 import android.widget.TextView;
+import android.widget.VideoView;
 
 public class LauncherActivity extends Activity
 {
   /** Text is replaced when receiving key events. */
+  VideoView _intro_video;
   TextView _tryhere_text;
   EditText _tryhere_area;
 
@@ -22,11 +27,13 @@ public class LauncherActivity extends Activity
   {
     super.onCreate(savedInstanceState);
     setContentView(R.layout.launcher_activity);
+    _intro_video = (VideoView)findViewById(R.id.launcher_intro_video);
     _tryhere_text = (TextView)findViewById(R.id.launcher_tryhere_text);
     _tryhere_area = (EditText)findViewById(R.id.launcher_tryhere_area);
     if (VERSION.SDK_INT > 28)
       _tryhere_area.addOnUnhandledKeyEventListener(
           this.new Tryhere_OnUnhandledKeyEventListener());
+    setup_intro_video(_intro_video);
   }
 
   public void launch_imesettings(View _btn)
@@ -41,6 +48,22 @@ public class LauncherActivity extends Activity
     imm.showInputMethodPicker();
   }
 
+  static void setup_intro_video(VideoView v)
+  {
+    if (VERSION.SDK_INT >= 26)
+      v.setAudioFocusRequest(AudioManager.AUDIOFOCUS_NONE);
+    v.setVideoURI(Uri.parse("android.resource://" +
+          v.getContext().getPackageName() + "/" + R.raw.intro_video));
+    v.setOnPreparedListener(new MediaPlayer.OnPreparedListener()
+        {
+          @Override
+          public void onPrepared(MediaPlayer mp) {
+            mp.setLooping(true);
+          }
+        });
+    v.start();
+  }
+
   final class Tryhere_OnUnhandledKeyEventListener implements View.OnUnhandledKeyEventListener
   {
     public boolean onUnhandledKeyEvent(View v, KeyEvent ev)