tidy and make compatible with test.

library/src/androidTest/java/com/google/android/exoplayer2/text/ssa/SSATests.java

@@ -18,7 +18,7 @@ public class SSATests extends InstrumentationTestCase {
     public void testDecodeTypical() throws IOException {
         SSADecoder decoder = new SSADecoder();
         byte[] bytes = TestUtil.getByteArray(getInstrumentation(), TYPICAL_FILE);
-        SSASubtitle subtitle = decoder.decode(bytes, bytes.length);
+        SSASubtitle subtitle = decoder.decodeFile(bytes, bytes.length);
         int n = subtitle.getEventTimeCount();
         assertEquals(462, n);
         assertTypicalCue1(subtitle, 0);

library/src/main/java/com/google/android/exoplayer2/text/ssa/SSADecoder.java

 package com.google.android.exoplayer2.text.ssa;
 
-import android.content.Intent;
-import android.text.Layout;
-import android.util.ArrayMap;
 import android.util.Log;
 
 import com.google.android.exoplayer2.C;
-import com.google.android.exoplayer2.text.Cue;
 import com.google.android.exoplayer2.text.SimpleSubtitleDecoder;
-import com.google.android.exoplayer2.util.LongArray;
-import com.google.android.exoplayer2.util.ParsableBitArray;
 import com.google.android.exoplayer2.util.ParsableByteArray;
 
 import java.io.UnsupportedEncodingException;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
 import java.util.HashMap;
-import java.util.List;
+import java.util.Locale;
 import java.util.Map;
 
-import static android.R.attr.breadCrumbShortTitle;
-import static android.R.attr.data;
-import static android.R.attr.format;
-import static android.R.attr.key;
-import static android.R.attr.lines;
-import static android.R.attr.subtitle;
-import static android.R.attr.text;
-import static android.R.attr.textAlignment;
-import static android.R.attr.track;
-import static android.icu.lang.UCharacter.GraphemeClusterBreak.L;
-import static android.webkit.ConsoleMessage.MessageLevel.LOG;
-import static com.google.android.exoplayer2.text.Cue.DIMEN_UNSET;
-import static com.google.android.exoplayer2.text.Cue.TYPE_UNSET;
-
 /**
  * Created by cablej01 on 26/12/2016.
  */
@@ -115,7 +93,7 @@ public class SSADecoder extends SimpleSubtitleDecoder {
         return subtitle;
     }
 
-    public void decodeFile(byte[] bytes, int length) {
+    public SSASubtitle decodeFile(byte[] bytes, int length) {
         SSASubtitle subtitle = new SSASubtitle();
         ParsableByteArray data = new ParsableByteArray(bytes, length);
         decodeHeader(data);
@@ -138,6 +116,7 @@ public class SSADecoder extends SimpleSubtitleDecoder {
                 }
             }
         }
+        return subtitle;
     }
 
     public void decodeHeader(byte[] bytes, int length) {
@@ -156,13 +135,10 @@ public class SSADecoder extends SimpleSubtitleDecoder {
 
             if (currentLine.equals("[Script Info]")) {
                 // TODO
-                continue;
             } else if (currentLine.equals("[V4+ Styles]")) {
                 parseStyles(styles, data);
-                continue;
             } else if (currentLine.equals("[V4 Styles]")) {
                 parseStyles(styles, data);
-                continue;
             } else if (currentLine.equals("[Events]")) {
                 break;
             }
@@ -245,7 +221,7 @@ public class SSADecoder extends SimpleSubtitleDecoder {
         long hours = minutes / 60;
         minutes -= 60*hours;
         double sec = seconds + ((float)us)/1000000.0;
-        return String.format("%01d:%02d:%06.3f", hours, minutes, sec);
+        return String.format(Locale.US, "%01d:%02d:%06.3f", hours, minutes, sec);
     }
 
     public static long parseTimecode(String time) {

library/src/main/java/com/google/android/exoplayer2/text/ssa/SSASubtitle.java

 package com.google.android.exoplayer2.text.ssa;
 
-import android.text.Layout;
 import android.util.Log;
-
 import com.google.android.exoplayer2.C;
 import com.google.android.exoplayer2.text.Cue;
 import com.google.android.exoplayer2.text.Subtitle;
 import com.google.android.exoplayer2.util.Assertions;
-import com.google.android.exoplayer2.util.LongArray;
 import com.google.android.exoplayer2.util.Util;
-
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.Map;
 
-import static android.R.attr.start;
-
 /**
  * Created by cablej01 on 26/12/2016.
  */

library/src/main/java/com/google/android/exoplayer2/text/ssa/Style.java

 package com.google.android.exoplayer2.text.ssa;
 
-import android.graphics.Outline;
-
 import java.util.Map;
 
-import static android.os.Build.VERSION_CODES.M;
-
 /**
  * Created by cablej01 on 27/12/2016.
  */