TOTAL MEMORY : (Runtime.getRuntime().totalMemory() / (1024 * 1024)) + "MB")MAX MEMORY : (Runtime.getRuntime().maxMemory() / (1024 * 1024)) + "MB") FREE MEMORY : (Runtime.getRuntime().freeMemory() / (1024 * 1024)) + "MB"); ALLOCATION MEMORY : ((Runtime.getRuntime().totalMemory() - Runtime.getRuntime().freeMemory()) / (1024 * 1024)) + "MB") 실시간으로 체크할려면 handler러나 thread를 이용해서 체크하면 됨.