SystemBarHelper.java 文件源码

java
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项目:HeroVideo-master 作者:
/**
 * Android4.4以上的状态栏着色(针对于DrawerLayout)
 * 注:
 * 1.如果出现界面展示不正确,删除布局中所有fitsSystemWindows属性,尤其是DrawerLayout的fitsSystemWindows属性
 * 2.可以版本判断在5.0以上不调用该方法,使用系统自带
 *
 * @param activity Activity对象
 * @param drawerLayout DrawerLayout对象
 * @param statusBarColor 状态栏颜色
 * @param alpha 透明栏透明度[0.0-1.0]
 */
public static void tintStatusBarForDrawer(Activity activity, DrawerLayout drawerLayout,
                                          @ColorInt int statusBarColor,
                                          @FloatRange(from = 0.0, to = 1.0) float alpha) {

  if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
    return;
  }

  Window window = activity.getWindow();
  ViewGroup decorView = (ViewGroup) window.getDecorView();
  ViewGroup drawContent = (ViewGroup) drawerLayout.getChildAt(0);

  if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
    window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
    window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
    window.setStatusBarColor(Color.TRANSPARENT);
    drawerLayout.setStatusBarBackgroundColor(statusBarColor);

    int systemUiVisibility = window.getDecorView().getSystemUiVisibility();
    systemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN;
    systemUiVisibility |= View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
    window.getDecorView().setSystemUiVisibility(systemUiVisibility);
  } else {
    window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
  }

  setStatusBar(decorView, statusBarColor, true, true);
  setTranslucentView(decorView, alpha);

  drawerLayout.setFitsSystemWindows(false);
  drawContent.setFitsSystemWindows(true);
  ViewGroup drawer = (ViewGroup) drawerLayout.getChildAt(1);
  drawer.setFitsSystemWindows(false);
}
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