Integrate help buttons into dialogs and the PcView

app/src/main/java/com/limelight/HelpActivity.java

@@ -0,0 +1,19 @@
+package com.limelight;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.webkit.WebView;
+
+public class HelpActivity extends Activity {
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        WebView webView = new WebView(this);
+        setContentView(webView);
+
+        webView.getSettings().setJavaScriptEnabled(true);
+        webView.loadUrl(getIntent().getData().toString());
+    }
+}

app/src/main/java/com/limelight/PcView.java

@@ -23,6 +23,7 @@ import com.limelight.preferences.StreamSettings;
 import com.limelight.ui.AdapterFragment;
 import com.limelight.ui.AdapterFragmentCallbacks;
 import com.limelight.utils.Dialog;
+import com.limelight.utils.HelpLauncher;
 import com.limelight.utils.ServerHelper;
 import com.limelight.utils.ShortcutHelper;
 import com.limelight.utils.UiHelper;
@@ -111,6 +112,7 @@ public class PcView extends Activity implements AdapterFragmentCallbacks {
         // Setup the list view
         ImageButton settingsButton = (ImageButton) findViewById(R.id.settingsButton);
         ImageButton addComputerButton = (ImageButton) findViewById(R.id.manuallyAddPc);
+        ImageButton helpButton = (ImageButton) findViewById(R.id.helpButton);
 
         settingsButton.setOnClickListener(new OnClickListener() {
             @Override
@@ -125,6 +127,12 @@ public class PcView extends Activity implements AdapterFragmentCallbacks {
                 startActivity(i);
             }
         });
+        helpButton.setOnClickListener(new OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                HelpLauncher.launchSetupGuide(PcView.this);
+            }
+        });
 
         getFragmentManager().beginTransaction()
             .replace(R.id.pcFragmentContainer, new AdapterFragment())

app/src/main/java/com/limelight/utils/Dialog.java

@@ -5,6 +5,9 @@ import java.util.ArrayList;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.DialogInterface;
+import android.widget.Button;
+
+import com.limelight.R;
 
 public class Dialog implements Runnable {
     private final String title;
@@ -55,7 +58,7 @@ public class Dialog implements Runnable {
         alert.setCancelable(false);
         alert.setCanceledOnTouchOutside(false);
  
-        alert.setButton(AlertDialog.BUTTON_NEUTRAL, "OK", new DialogInterface.OnClickListener() {
+        alert.setButton(AlertDialog.BUTTON_POSITIVE, activity.getResources().getText(android.R.string.ok), new DialogInterface.OnClickListener() {
               public void onClick(DialogInterface dialog, int which) {
                   synchronized (rundownDialogs) {
                       rundownDialogs.remove(Dialog.this);
@@ -67,6 +70,31 @@ public class Dialog implements Runnable {
                   }
               }
         });
+        alert.setButton(AlertDialog.BUTTON_NEUTRAL, activity.getResources().getText(R.string.help), new DialogInterface.OnClickListener() {
+            public void onClick(DialogInterface dialog, int which) {
+                synchronized (rundownDialogs) {
+                    rundownDialogs.remove(Dialog.this);
+                    alert.dismiss();
+                }
+
+                if (endAfterDismiss) {
+                    activity.finish();
+                }
+
+                HelpLauncher.launchTroubleshooting(activity);
+            }
+        });
+        alert.setOnShowListener(new DialogInterface.OnShowListener(){
+
+            @Override
+            public void onShow(DialogInterface dialog) {
+                // Set focus to the OK button by default
+                Button button = alert.getButton(AlertDialog.BUTTON_POSITIVE);
+                button.setFocusable(true);
+                button.setFocusableInTouchMode(true);
+                button.requestFocus();
+            }
+        });
 
         synchronized (rundownDialogs) {
             rundownDialogs.add(this);

app/src/main/java/com/limelight/utils/HelpLauncher.java

@@ -0,0 +1,35 @@
+package com.limelight.utils;
+
+import android.content.ActivityNotFoundException;
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+
+import com.limelight.HelpActivity;
+
+public class HelpLauncher {
+
+    private static void launchUrl(Context context, String url) {
+        Intent i = new Intent(Intent.ACTION_VIEW);
+        i.setData(Uri.parse(url));
+
+        // Try to launch the default browser
+        try {
+            context.startActivity(i);
+        } catch (ActivityNotFoundException e) {
+            // This platform has no browser (possibly a leanback device)
+            // We'll launch our WebView activity
+            i = new Intent(context, HelpActivity.class);
+            i.setData(Uri.parse(url));
+            context.startActivity(i);
+        }
+    }
+
+    public static void launchSetupGuide(Context context) {
+        launchUrl(context, "https://github.com/moonlight-stream/moonlight-docs/wiki/Setup-Guide");
+    }
+
+    public static void launchTroubleshooting(Context context) {
+        launchUrl(context, "https://github.com/moonlight-stream/moonlight-docs/wiki/Troubleshooting");
+    }
+}