compile 'com.readystatesoftware.systembartint:systembartint:1.0.3' 

public class BaseActivity extends Activity{   @Override   protected void onCreate(Bundle savedInstanceState) {     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {       setTranslucentStatus(true);       SystemBarTintManager tintManager = new SystemBarTintManager(this);       tintManager.setStatusBarTintEnabled(true);       tintManager.setStatusBarTintResource(R.color.my_red);//通知欄所需顏色     }     super.onCreate(savedInstanceState);     this.activity = this;   }    @TargetApi(19)   private void setTranslucentStatus(boolean on) {     Window win = getWindow();     WindowManager.LayoutParams winParams = win.getAttributes();     final int bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;     if (on) {       winParams.flags |= bits;     } else {       winParams.flags &= ~bits;     }     win.setAttributes(winParams);   } }