編輯:關於Android編程
設置Navigation Bar 透明
getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
或者Theme中添加- true
/** * Convenience function to set the flag bits as specified in flags, as * per {@link #setFlags}. * @param flags The flag bits to be set. * @see #setFlags * @see #clearFlags */ public void addFlags(int flags) { setFlags(flags, flags); }
/** * Set the flags of the window, as per the * {@link WindowManager.LayoutParams WindowManager.LayoutParams} * flags. * *Note that some flags must be set before the window decoration is * created (by the first call to * {@link #setContentView(View, android.view.ViewGroup.LayoutParams)} or * {@link #getDecorView()}: * {@link WindowManager.LayoutParams#FLAG_LAYOUT_IN_SCREEN} and * {@link WindowManager.LayoutParams#FLAG_LAYOUT_INSET_DECOR}. These * will be set for you based on the {@link android.R.attr#windowIsFloating} * attribute. * * @param flags The new window flags (see WindowManager.LayoutParams). * @param mask Which of the window flag bits to modify. * @see #addFlags * @see #clearFlags */ public void setFlags(int flags, int mask) { final WindowManager.LayoutParams attrs = getAttributes(); attrs.flags = (attrs.flags&~mask) | (flags&mask); if ((mask&WindowManager.LayoutParams.FLAG_NEEDS_MENU_KEY) != 0) { attrs.privateFlags |= WindowManager.LayoutParams.PRIVATE_FLAG_SET_NEEDS_MENU_KEY; } mForcedWindowFlags |= mask; if (mCallback != null) { mCallback.onWindowAttributesChanged(attrs); } }
attrs.flags = (attrs.flags&~mask) | (flags&mask);
誰能給解釋一下這行代碼的意思?以前學的都忘記了
so
public boolean existFlag(int flags){ WindowManager.LayoutParams attrs= getWindow().getAttributes(); if(attrs.flags ==( (attrs.flags&~flags) | (flags&flags))){ return true; } return false; }
APK中的XML為何不能直接打開,是否只是簡單的二進制文件,難道被加密了?為什麼AXMLPrinter2反編譯的時候竟然報錯了,如何解決?&nbs
在使用WebView加載網頁時有時候網速等原因加載比較慢時,為了避免在加載網頁的時候出現一片空白的區域,給用戶很不好的體驗感,我們往往在加載的時候添加一個進度條,使用戶直
先給大家展示效果圖,看看是大家想要的效果嗎,如果還滿意,請參考以下代碼:前言 UniversalImageLoader是用於加載圖片的一個開源項目,在其項目介紹中是這麼寫
本節引言: 在part 1中我們學習了網絡交互中用得較多的xml文件的相關概念,以及在Android中常用的 解析XML三種不同形式,分別SA