Add feature of "Keep Screen On While Playing"

app/src/main/java/com/kabouzeid/gramophone/ui/fragments/AbsMusicServiceFragment.java

@@ -5,9 +5,13 @@
 import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import android.view.View;
+import android.view.Window;
+import android.view.WindowManager;
 
+import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
 import com.kabouzeid.gramophone.interfaces.MusicServiceEventListener;
 import com.kabouzeid.gramophone.ui.activities.base.AbsMusicServiceActivity;
+import com.kabouzeid.gramophone.util.PreferenceUtil;
 
 /**
  * @author Karim Abou Zeid (kabouzeid)
@@ -43,6 +47,24 @@ public void onDestroyView() {
         activity.removeMusicServiceEventListener(this);
     }
 
+    @Override
+    public void onResume() {
+        super.onResume();
+        updateScreenOnState(requireActivity().getWindow());
+    }
+
+    private void updateScreenOnState(Window window){
+        if (isKeepScreenOnWhilePlaying() && MusicPlayerRemote.isPlaying()) {
+            window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+        } else {
+            window.clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+        }
+    }
+
+    private boolean isKeepScreenOnWhilePlaying(){
+        return PreferenceUtil.getInstance(requireActivity()).keepScreenOnWhilePlaying();
+    }
+
     @Override
     public void onPlayingMetaChanged() {
 
@@ -65,7 +87,7 @@ public void onQueueChanged() {
 
     @Override
     public void onPlayStateChanged() {
-
+        updateScreenOnState(requireActivity().getWindow());
     }
 
     @Override

app/src/main/java/com/kabouzeid/gramophone/ui/fragments/player/MiniPlayerFragment.java

@@ -4,23 +4,27 @@
 import android.content.res.ColorStateList;
 import android.graphics.PorterDuff;
 import android.os.Bundle;
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 import android.view.GestureDetector;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.Window;
+import android.view.WindowManager;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
 import com.kabouzeid.appthemehelper.ThemeStore;
 import com.kabouzeid.appthemehelper.util.ATHUtil;
 import com.kabouzeid.gramophone.R;
 import com.kabouzeid.gramophone.helper.MusicPlayerRemote;
 import com.kabouzeid.gramophone.helper.MusicProgressViewUpdateHelper;
 import com.kabouzeid.gramophone.helper.PlayPauseButtonOnClickHandler;
 import com.kabouzeid.gramophone.ui.fragments.AbsMusicServiceFragment;
+import com.kabouzeid.gramophone.util.PreferenceUtil;
 import com.kabouzeid.gramophone.views.PlayPauseDrawable;
 
 import butterknife.BindView;
@@ -102,6 +106,7 @@ public void onPlayingMetaChanged() {
 
     @Override
     public void onPlayStateChanged() {
+        super.onPlayStateChanged();
         updatePlayPauseDrawableState(true);
     }
 
@@ -123,6 +128,8 @@ public void onPause() {
         progressViewUpdateHelper.stop();
     }
 
+
+
     private static class FlingPlayBackController implements View.OnTouchListener {
 
         GestureDetector flingPlayBackController;

app/src/main/java/com/kabouzeid/gramophone/ui/fragments/player/card/CardPlayerPlaybackControlsFragment.java

@@ -108,6 +108,7 @@ public void onServiceConnected() {
 
     @Override
     public void onPlayStateChanged() {
+        super.onPlayStateChanged();
         updatePlayPauseDrawableState(true);
     }
 

app/src/main/java/com/kabouzeid/gramophone/ui/fragments/player/flat/FlatPlayerPlaybackControlsFragment.java

@@ -116,6 +116,7 @@ public void onServiceConnected() {
 
     @Override
     public void onPlayStateChanged() {
+        super.onPlayStateChanged();
         updatePlayPauseDrawableState(true);
     }
 

app/src/main/java/com/kabouzeid/gramophone/util/PreferenceUtil.java

@@ -83,6 +83,8 @@ public final class PreferenceUtil {
 
     public static final String SYNCHRONIZED_LYRICS_SHOW = "synchronized_lyrics_show";
 
+    public static final String KEEP_SCREEN_ON = "keep_screen_on";
+
     public static final String INITIALIZED_BLACKLIST = "initialized_blacklist";
 
     public static final String LIBRARY_CATEGORIES = "library_categories";
@@ -489,6 +491,10 @@ public final boolean synchronizedLyricsShow() {
         return mPreferences.getBoolean(SYNCHRONIZED_LYRICS_SHOW, true);
     }
 
+    public final boolean keepScreenOnWhilePlaying(){
+        return mPreferences.getBoolean(KEEP_SCREEN_ON,false);
+    }
+
     public void setInitializedBlacklist() {
         final SharedPreferences.Editor editor = mPreferences.edit();
         editor.putBoolean(INITIALIZED_BLACKLIST, true);

app/src/main/res/values-zh-rCN/strings.xml

@@ -132,6 +132,7 @@
     <string name="pref_title_audio_ducking">音频焦点丢失时降低音量</string>
     <string name="pref_title_last_added_interval">最近添加播放列表间隔</string>
     <string name="pref_title_synchronized_lyrics_show">显示同步歌词</string>
+    <string name="pref_title_keep_screen_on_while_playing">播放时屏幕常亮</string>
     <string name="pref_title_remember_last_tab">记住最后打开页面</string>
     <string name="pref_title_remember_shuffle">记住随机播放开关</string>
     <string name="no_equalizer">没有找到均衡器。</string>

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

@@ -132,6 +132,7 @@
     <string name="pref_title_audio_ducking">Reduce volume on focus loss</string>
     <string name="pref_title_last_added_interval">Last added playlist interval</string>
     <string name="pref_title_synchronized_lyrics_show">Show synchronized lyrics</string>
+    <string name="pref_title_keep_screen_on_while_playing">Keep Screen On While Playing</string>
     <string name="pref_title_remember_last_tab">Remember last tab</string>
     <string name="pref_title_remember_shuffle">Remember shuffle</string>
     <string name="no_equalizer">No equalizer found.</string>

app/src/main/res/xml/pref_now_playing_screen.xml

@@ -15,6 +15,11 @@
             android:key="synchronized_lyrics_show"
             android:summary="@string/pref_summary_synchronized_lyrics_show"
             android:title="@string/pref_title_synchronized_lyrics_show" />
+        <com.kabouzeid.appthemehelper.common.prefs.supportv7.ATESwitchPreference
+            app:iconSpaceReserved="false"
+            android:defaultValue="false"
+            android:key="keep_screen_on"
+            android:title="@string/pref_title_keep_screen_on_while_playing" />
 
     </com.kabouzeid.appthemehelper.common.prefs.supportv7.ATEPreferenceCategory>