原创 Window Type的優先級和權限（用於懸浮窗或窗口實現界面）
Type TYPE_PHONE：電話窗口，這是非應用窗口，用於來電的界面，該窗口通常置於所有應用之上，但在狀態欄下。 TYPE_SYSTEM_ALERT：系統窗口，例如低電量警告彈窗，在應用窗口之上。 TYPE_TOAST：透
2020-02-21 20:32:38
22
原创 如何屏蔽StatusBar和NavigationBar
如何屏蔽StatusBar和NavigationBar 代碼 mLockWindowLayoutParams.type = WindowManager.LayoutParams.TYPE_SYSTEM_ERROR; hideSta
2020-02-21 20:32:38
原创 Android屏幕適配相關
(1080p，16:9) 1920x1080->xxhdpi->1dp->3px (720p，16:9) 1280x720->xhdpi->1dp=2px (480p，非標準分辨率，略多於4:3) 800x480->hdpi->
2020-02-21 20:32:38
原创 JIT和AOT編譯技術
JIT： JIT是Just in time的縮寫，也就是即時編譯、運行時編譯。使用即時編譯，能夠加速Java程序的執行速度。 .class文件中保存的並不是機器碼而只是二進制代碼，需要先進行解釋，JIT在運行時會把翻譯過的
2020-02-21 20:32:38
3
原创 LeetCode之Projection Area of 3D Shapes（Kotlin）
問題： On a N * N grid, we place some 1 * 1 * 1 cubes that are axis-aligned with the x, y, and z axes. Each value v = g
2018-12-23 21:45:16
原创 LeetCode之Increasing Order Search Tree（Kotlin）
問題： Given a tree, rearrange the tree in in-order so that the leftmost node in the tree is now the root of the tree,
2018-12-16 21:19:31
原创 LeetCode之Reveal Cards In Increasing Order（Kotlin）
問題： In a deck of cards, every card has a unique integer. You can order the deck in any order you want. Initially, a
2018-12-09 21:19:58
2
原创 LeetCode之DI String Match（Kotlin）
問題： Given a string S that only contains “I” (increase) or “D” (decrease), let N = S.length. Return any permutation A
2018-12-07 13:36:18
原创 LeetCode之Delete Columns to Make Sorted（Kotlin）
問題： We are given an array A of N lowercase letter strings, all of the same length. Now, we may choose any set of del
2018-11-26 06:36:58
原创 LeetCode之Range Sum of BST（Kotlin）
問題： Given the root node of a binary search tree, return the sum of values of all nodes with value between L and R (i
2018-11-20 06:59:39
1
原创 LeetCode之Minimum Add to Make Parentheses Valid（Kotlin）
問題： Given a string S of ‘(’ and ‘)’ parentheses, we add the minimum number of parentheses ( ‘(’ or ‘)’, and in any p
2018-11-20 06:59:39
原创 LeetCode之Unique Email Addresses（Kotlin）
問題： Every email consists of a local name and a domain name, separated by the @ sign. For example, in alice@leetcode.
2018-11-07 06:41:52
1
原创 LeetCode之Middle of the Linked List（Kotlin）
問題： Given a non-empty, singly linked list with head node head, return a middle node of linked list. If there are two
2018-11-04 07:14:49
8
原创 LeetCode之Insert into a Binary Search Tree（Kotlin）
問題： Given the root node of a binary search tree (BST) and a value to be inserted into the tree, insert the value int
2018-10-20 22:36:42
2
原创 LeetCode之Sort Array By Parity II（Kotlin）
問題： Given an array A of non-negative integers, half of the integers in A are odd, and half of the integers are even.
2018-10-14 22:56:48
1