UIStatusBarController.java 文件源码

/**
 * 设置状态栏颜色
 *
 * @param activity       需要设置的activity
 * @param color          状态栏颜色值
 * @param statusBarAlpha 状态栏透明度
 */
public static void setColor(Activity activity, @ColorInt int color, @IntRange(from = 0, to = 255) int statusBarAlpha) {
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
        activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
        activity.getWindow().setStatusBarColor(calculateStatusColor(color, statusBarAlpha));
    } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
        activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
        ViewGroup decorView = (ViewGroup) activity.getWindow().getDecorView();
        View fakeStatusBarView = decorView.findViewById(FAKE_STATUS_BAR_VIEW_ID);
        if (fakeStatusBarView != null) {
            if (fakeStatusBarView.getVisibility() == View.GONE) {
                fakeStatusBarView.setVisibility(View.VISIBLE);
            }
            fakeStatusBarView.setBackgroundColor(calculateStatusColor(color, statusBarAlpha));
        } else {
            decorView.addView(createStatusBarView(activity, color, statusBarAlpha));
        }
        setRootView(activity);
    }
}