自定义标题栏

getWindow().setFeatureInt(Window.FEATURE_CUSTOM_TITLE, R.layout.custom_title_1);

定义标题左边图标

getWindow().setFeatureDrawableResource(Window.FEATURE_LEFT_ICON , android.R.drawable.ic_dialog_alert);

隐藏界面状态栏

void hideSystemBar(Activity activity) {        // 隐藏界面最上方状态栏        activity.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);        // 隐藏android系统定义的标题栏        activity.requestWindowFeature(Window.FEATURE_NO_TITLE);}