update exo subtitle

app/src/main/java/com/example/gsyvideoplayer/exosubtitle/GSYExoSubTitlePlayer.java

@@ -92,9 +92,14 @@ public class GSYExoSubTitlePlayer extends IjkExo2MediaPlayer {
     public MediaSource getTextSource(Uri subTitle) {
         //todo C.SELECTION_FLAG_AUTOSELECT language MimeTypes
         Format textFormat = new Format.Builder()
+                /// 其他的比如 text/x-ssa ，text/vtt，application/ttml+xml 等等
                 .setSampleMimeType(MimeTypes.APPLICATION_SUBRIP)
                 .setSelectionFlags(C.SELECTION_FLAG_FORCED)
-                .setLanguage("en").build();
+                /// 如果出现字幕不显示，可以通过修改这个语音去对应，
+                //  这个问题在内部的 selectTextTrack 时，TextTrackScore 通过 getFormatLanguageScore 方法判断语言获取匹配不上
+                //  就会不出现字幕
+                .setLanguage("en")
+                .build();
 
         MediaItem.Subtitle subtitle = new MediaItem.Subtitle(
                 subTitle, checkNotNull(textFormat.sampleMimeType), textFormat.language, textFormat.selectionFlags);

app/src/main/java/com/example/gsyvideoplayer/exosubtitle/GSYExoSubTitleVideoView.java

@@ -43,7 +43,7 @@ public class GSYExoSubTitleVideoView extends NormalGSYVideoPlayer {
         mSubtitleView = findViewById(R.id.sub_title_view);
 
 
-        mSubtitleView.setStyle(new CaptionStyleCompat(Color.BLACK, Color.TRANSPARENT, Color.TRANSPARENT, CaptionStyleCompat.EDGE_TYPE_NONE, CaptionStyleCompat.EDGE_TYPE_NONE, null));
+        mSubtitleView.setStyle(new CaptionStyleCompat(Color.RED, Color.TRANSPARENT, Color.TRANSPARENT, CaptionStyleCompat.EDGE_TYPE_NONE, CaptionStyleCompat.EDGE_TYPE_NONE, null));
         mSubtitleView.setFixedTextSize(TypedValue.COMPLEX_UNIT_DIP, 14);
     }
 

dependencies.gradle

@@ -11,8 +11,8 @@ ext {
     //Android
     androidBuildToolsVersion = "28.0.3"
     androidMinSdkVersion = 19
-    androidTargetSdkVersion = 28
-    androidCompileSdkVersion = 28
+    androidTargetSdkVersion = 29
+    androidCompileSdkVersion = 29
 
     supportLibraryVersion = '1.1.0'
     otherVersion = '1.0.0'