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SQLite in Android How to update a specific row
I've been trying to update a specific row for a while now, and it seems that there are two ways to do this. From what I've read and tried, you can just use the:
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OceanBase使用libeasy原理源码分析：客户端 - 数据库(内核) - 清泛网 - 专...
...void *easy_client_send(easy_io_t *eio, easy_addr_t addr, easy_session_t *s)方法而不是int easy_client_dispatch(easy_io_t *eio, easy_addr_t addr, easy_session_t *s)
其实，同步是异步的一种特殊的情况，同步请求也是通过异步请求实现的。
void *easy_client_send(easy_i...
App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前...
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CustomWebView 拓展
属性
事件
方法
BrowserPromptHelper
属性
事件
方法
DownloadHelper
属性
事件
方法
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CustomWebView 拓展
高...
support FragmentPagerAdapter holds reference to old fragments
... background your application, and then it gets killed. When you come back, Android will remember that you used to have Fragments A, B and C in the fragment manager and so it recreates them for you and then adds them. However, the ones that are added to the fragment manager now are NOT the ones you h...
How to get string width on Android?
... you can use:
float width = paint.measureText(string);
http://developer.android.com/reference/android/graphics/Paint.html#measureText(java.lang.String)
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Open application after clicking on Notification
... after clicking on Notification, it will solve your problem.
public class AndroidNotifications extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Button notificationButton...
getSupportActionBar from inside of Fragment ActionBarCompat
...ctivityDelegate.createDelegate() creates the mImpl object depending on the Android version.
super.onCreate() is FragmentActivity.onCreate(), which restores any previous fragments after a rotation (FragmentManagerImpl.dispatchCreate(), &c).
mImpl.onCreate(savedInstanceState) is ActionBarActivityD...
Android: When should I use a Handler() and when should I use a Thread?
...eed
to synchronize with the user interface thread.
You can use the android.os.Handler class or the AsyncTasks class for
this.
The Handler class can update the user interface. A Handler provides
methods for receiving instances of the Message or Runnable class.
You thread can p...
Android phone orientation overview including compass
I've been trying to get my head around the Android orientation sensors for a while.
I thought I understood it. Then I realised I didn't. Now I think (hope) I have a better feeling for it again but I am still not 100%. I will try and explain my patchy understanding of it and hopefully people will be ...
Android Paint: .measureText() vs .getTextBounds()
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You can do what I did to inspect such problem:
Study Android source code, Paint.java source, see both measureText and getTextBounds methods.
You'd learn that measureText calls native_measureText, and getTextBounds calls nativeGetStringBounds, which are native methods implemente...