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This screen displays when the Web Part has existing connections and allows you to disconnect or edit those connections (see Figure 7-13). The Provider version of the screen allows you to set up multiple connections using the link at the top of the page. It also displays a list of existing connections. The Consumer version only displays a single connection and does not allow you to add additional connections. You can also set up a title and instructional text on the screen as well.

currentMethodName = event.getLocationInformation().getMethodName();

The native callback handlers are implemented by the main activity (DoomClient.java) via the Natives.EventListener interface. This allows the activity to listen for native callbacks. The handlers are divided in the following categories: Graphics initialization: This handler receives information when the native graphics have been initialized. It receives the width and height of the video buffer. Image update: This handler receives video buffer updates and fires multiple times per second. Message update: This handler receives string messages from the native rendering engine. Fatal errors: This handler will fire whenever an unrecoverable error occurs. Sound and music requests: A series of handlers handle audio.

This screen displays when you click on the link to set up a new connection (see Figure 7-14). It provides you with a drop-down list showing all the Consumers (or Providers) to which a connection may be established. Creating a new connection is as easy as selecting an item from the drop-down list and clicking on the Connect button.

Figure 7-14. Add connection screen (similar to the edit connection screen)

//check if this method name is different or not if(currentMethodName.equalsIgnoreCase(lastMethodName)){ //add the indent for(int i = 0; i<indentCounter+1;i++){ buffer.append(indenter); }

Table 7-12 is a listing of the more important properties on the ConnectionsZone control. Many of the properties have numeric references back to locations on the images shown above so you can see exactly where they appear on the various screens. Most of the properties without references are the Consumer-screen versions and exist in the same location as the Provider-screen variants. For example, the ConnectToProviderTitle and ConnectToConsumerTitle properties are synonymous with one another on their respective screens.

The graphics initialization handler is critical and must be the first to fire before the game can start. It receives the width and height of the video buffer, which are used to create the Android bitmap that

Read-only reference to the verb that cancels the creation of a new connection. Read-only reference to the verb that closes the Connections Zone. The page is left in connection display mode after clicking the Close verb. Title displayed when configuring an existing connection. Read-only reference to the verb that allows users to configure an existing connection. Instructional text displayed when setting up a connection from a provider to a consumer. Text for the link users click on to create a new connection from a provider to a consumer.

Configure ConnectionTitle 3 4 ConfigureVerb ConnectTo Consumer InstructionText ConnectTo ConsumerText

renders the video on the device (see Listing 7-6). To create a 32-bit ARGB bitmap in Android, you use the following call: Bitmap.createBitmap(width, height, Config.ARGB_8888) Config.ARGB_8888 tells the system you wish to use a 4-byte (32-bit) ARGB bitmap. You will use this bitmap to set pixels for the video in later sections. Note that this callback fires only once during the lifetime of the game. To set the width and height of the video buffer ImageView, use a call to ImageView.getLayoutParams(). Listing 7-6. Graphics Initialization public void OnInitGraphics(int w, int h) { Log.d(TAG, "OnInitGraphics creating Bitmap of " + w + " by " + h); mBitmap = Bitmap.createBitmap(w, h, Config.ARGB_8888); LayoutParams lp = mView.getLayoutParams(); mWidth = w; mHeight = h; lp.width = w; lp.height = h; }

//set the indent counter indentCounter++; }else{ //reset the indent counter indentCounter = 0; } //construct the message buffer buffer.append(event.getLevel()); buffer.append(separator); buffer.append(event.getRenderedMessage()); buffer.append("\n");

Table 7-12. Important ConnectionsZone Properties (Continued)

Title displayed when setting up a new connection from a provider to a consumer. Instructional text displayed when setting up a connection from a consumer to a provider. Text for the link users click on to create a new connection from a consumer to a provider. Title displayed when setting up a new connection from a consumer to a provider. Read-only reference to the verb that completes the adding of a new connection by saving and activating it. Instructional text displayed above existing connections for a provider.

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