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Android 发送广播简易工具类,android广播工具类, /**

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Android 发送广播简易工具类,android广播工具类, /**


    /**      * 发送广播简易工具类      * Created by Liam on 2015/4/2.      */      public class BroadcastUtil {          /**          * 构造函数设为private,防止外部实例化          */          private void BroadcastManager() {          }          /**          * 注册广播接收器          *          * @param ctx       Context(不可空)          * @param iReceiver IReceiver(不可空)          * @param action    Intent.Action(不可空)          */          public static void registerReceiver(Context ctx, final IReceiver iReceiver, final String action) {              if (ctx == null || iReceiver == null || action == null) throw new IllegalArgumentException("使用registerReceiver()注册广播时,参数Context、IReceiver和Action不能为空!");              BroadcastReceiver receiver = new BroadcastReceiver() {                  @Override                  public void onReceive(Context context, Intent intent) {                      iReceiver.onReceive(context, intent);                  }              };              IntentFilter filter = new IntentFilter(action);              ctx.registerReceiver(receiver, filter);          }          /**          * 发送广播          *          * @param ctx    Context(不可空)          * @param i      Intent(可为null),不需要设置Action,请把Action作为参数传入          * @param action Intent.Action(不可空)          */          public static void send(Context ctx, Intent i, final String action) {              if (ctx == null || action == null) throw new IllegalArgumentException("使用send()发送广播时,参数Context和Action不能为空!");              if (i == null) i = new Intent();              i.setAction(action);              ctx.sendBroadcast(i);          }          /**          * 接收广播的页面需要实现,把接收后的操作覆写在OnReceive()方法里          */          public interface IReceiver {              void onReceive(Context ctx, Intent intent);          }      }  
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