Java Code Examples for javax.microedition.midlet.MIDlet#getAppProperty()

/**
 * Checks the value of a Jad attribute and returns the corresponding 
 * boolean value.
 * Only attributes that have <code>enabled</code> and <code>disabled</code>
 * should be used with this method.
 * 
 * @param midlet the MIDlet which Jad attributes to read.
 * @param id logging setup identifier or <code>null</code> to use common logging setup.
 * @param attrName name of the attribute to check.
 * @param defaultValue default value to be used in case the attribute is not defined.
 * 
 * @return <code>true</code> if the specified attribute has the value 
 *         <code>enabled</code> and <code>false</code> otherwise.
 */
private static final boolean isEnabled(MIDlet midlet, String id, String attrName, boolean defaultValue) {
    String origAttrName = attrName;
    
    if (id != null) {
        // Read setup specific attribute first.
        attrName = id + "-" + attrName;
    }
    
    String value = midlet.getAppProperty(attrName);

    if (value == null) {
        
        if (id != null) {
            // Setup specific value not specified - use common logging setup instead.
            return isEnabled(midlet, null, origAttrName, defaultValue);
        }
        
        return defaultValue;
    } else if (value.equalsIgnoreCase("enabled")) {
        return true;
    } else {
        return false;
    }
}
 

/**
 * @inheritDoc
 */
public void init(Object m) {
    canvas = createCanvas();
    canvas.setTitle(null);
    if(!disableFullScreen) {
        canvas.setFullScreenMode(!com.codename1.ui.Display.getInstance().isNativeCommands());
    }

    // disable the flashGraphics bug on Nokia phones
    String platform = System.getProperty("microedition.platform");
    if (platform != null && platform.toUpperCase().indexOf("NOKIA") >= 0) {
        flushGraphicsBug = false;
        NOKIA = true;

        // Symbian devices should yield a bit to let the paint thread complete its work
        // problem is we can't differentiate S40 from S60...
        Display.getInstance().setTransitionYield(1);
        //nokia devices cannot use OutputStreamWriter flush when using 
        //MultipartRequest
        MultipartRequest.setCanFlushStream(false);
    } else {
        flushGraphicsBug = true;
        Display.getInstance().setTransitionYield(-1);
    }
    mid = (MIDlet)m;
    display = javax.microedition.lcdui.Display.getDisplay(mid);
    setSoftKeyCodes(mid);

    if(mid.getAppProperty("forceBackCommand") != null) {
        canvas.setCommandListener((CommandListener) canvas);
        canvas.addCommand(MIDP_BACK_COMMAND);
    }
    
    RecordEnumeration e = null;
    RecordStore r = null;
    try {
        r = RecordStore.openRecordStore("FAT", true);
        if (r.getNumRecords() > 0) {
            e = r.enumerateRecords(null, null, false);
            while (e.hasNextElement()) {
                byte[] rec = e.nextRecord();
                ByteArrayInputStream bi = new ByteArrayInputStream(rec);
                DataInputStream di = new DataInputStream(bi);
                String name = di.readUTF();
                short key = di.readShort();
                di.close();
                bi.close();
                fat.put(name, new Short(key));
                if(key >= currentKey) {
                    currentKey += key;
                }
            }
            e.destroy();
            e = null;
        }
        r.closeRecordStore();
        r = null;
    } catch (Exception ex) {
        ex.printStackTrace();
        cleanup(r);
        cleanup(e);
    }        
}