View activityView = this.findViewById(android.R.id.content)).getChildAt(0);
int height = activity.getHeight();
int screenHeight = this.getWindowManager().getDefaultDisplay().getHeight() - getStatusHeight();
if (height > 0 && height < screenHeight) {
        // 鍵盤打開狀態(tài)

}

// 獲取狀態(tài)欄高度
public int getStatusHeight() {
        Class<?> c = null;
        Object obj = null;
        Field field = null;
        int x = 0, barHeight = 0;
        try {
            c = Class.forName("com.android.internal.R$dimen");
            obj = c.newInstance();
            field = c.getField("status_bar_height");
            x = Integer.parseInt(field.get(obj).toString());
            barHeight = CacheManager.get().getContext().getResources().getDimensionPixelSize(x);
        } catch (Exception e1) {
            e1.printStackTrace();
        }
        return barHeight;
    }