android 背景图片的设置

layout.setBackgroundDrawable(getResources().getDrawable(R.drawable.bgimage))

menu_bg1.setOnClickListener(new SendBroadcast());


private class SendBroadcast implements View.OnClickListener {
        @Override
        public void onClick(View v) {

            Intent intent = new Intent();
            switch (v.getId()) {
            case R.id.menu_bg1:
                // 要发送的内容
                intent.setAction("menu_bg1");
                break;
　　　　　　}
　　　　}
}

// 注册一个IntentFilter 意图过滤器
        IntentFilter inf = new IntentFilter();
        inf.addAction("menu_bg1");
        registerReceiver(receiver, inf);// 注册广播

// 接收广播
    BroadcastReceiver receiver = new BroadcastReceiver() {

        /**
         * 实例化一个广播，重写onRecive
         */
        @Override
        public void onReceive(Context context, Intent intent) {if (intent.getAction().equals("menu_bg1")) {
                // left_menu.setBackgroundColor(0xcc0000);
                left_menu.setBackgroundDrawable(getResources().getDrawable(
                        R.drawable.menu_bg1));
            } 
        }

    };