Android标题栏,状态栏

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

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

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);
}