[leanback] support live keep line

app/src/leanback/java/com/fongmi/android/tv/ui/activity/LiveActivity.java

@@ -452,8 +452,8 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
     }
 
     private void setChannel(Channel item) {
-        LiveConfig.get().setKeep(mGroup, mChannel = item);
         App.post(mR3, 100);
+        mChannel = item;
         showInfo();
     }
 
@@ -487,6 +487,7 @@ public class LiveActivity extends BaseActivity implements GroupPresenter.OnClick
     }
 
     private void getUrl() {
+        LiveConfig.get().setKeep(mChannel);
         mViewModel.getUrl(mChannel);
         showProgress();
     }

app/src/main/java/com/fongmi/android/tv/api/LiveConfig.java

@@ -168,14 +168,16 @@ public class LiveConfig {
             Group group = items.get(i);
             if (group.getName().equals(splits[1])) {
                 int j = group.find(splits[2]);
+                if (j != -1 && splits.length == 4) group.getChannel().get(j).setLine(splits[3]);
                 if (j != -1) return new int[]{i, j};
             }
         }
         return new int[]{1, 0};
     }
 
-    public void setKeep(Group group, Channel channel) {
-        if (!group.isHidden() && home != null) Prefers.putKeep(home.getName() + AppDatabase.SYMBOL + group.getName() + AppDatabase.SYMBOL + channel.getName());
+    public void setKeep(Channel channel) {
+        if (channel.getGroup().isHidden() || home == null) return;
+        Prefers.putKeep(home.getName() + AppDatabase.SYMBOL + channel.getGroup().getName() + AppDatabase.SYMBOL + channel.getName() + AppDatabase.SYMBOL + channel.getCurrent());
     }
 
     public int[] find(List<Group> items) {

app/src/main/java/com/fongmi/android/tv/bean/Channel.java

@@ -141,7 +141,7 @@ public class Channel {
     }
 
     public void setLine(int line) {
-        this.line = line;
+        this.line = Math.max(line, 0);
     }
 
     public boolean isSelected() {
@@ -210,6 +210,10 @@ public class Channel {
         if (!getLogo().startsWith("http")) setLogo(live.getLogo().replace("{name}", getName()).replace("{logo}", getLogo()));
     }
 
+    public void setLine(String line) {
+        setLine(getUrls().indexOf(line));
+    }
+
     public String getScheme() {
         return Uri.parse(getCurrent()).getScheme().toLowerCase();
     }