Android 發送廣播簡易工具類

    /**


 * 發送廣播簡易工具類 
 * Created by Liam on 2015/4/2. 
 */  
public class BroadcastUtil {  

    /** 
     * 構造函數設為private，防止外部實例化 
     */  
    private void BroadcastManager() {  
    }  

    /** 
     * 注冊廣播接收器 
     * 
     * @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()注冊廣播時，參數Context、IReceiver和Action不能為空！");  

        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);  
    }  

    /** 
     * 發送廣播 
     * 
     * @param ctx    Context(不可空) 
     * @param i      Intent（可為null），不需要設置Action，請把Action作為參數傳入 
     * @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()發送廣播時，參數Context和Action不能為空！");  

        if (i == null) i = new Intent();  
        i.setAction(action);  
        ctx.sendBroadcast(i);  
    }  


    /** 
     * 接收廣播的頁面需要實現，把接收后的操作覆寫在OnReceive()方法里 
     */  
    public interface IReceiver {  
        void onReceive(Context ctx, Intent intent);  
    }  

}  </pre>