android 2 3 launcher

-called "fish and bear's paw" cannot have both features. The actual situation is the King .) Select android2.2 and click Next Enter the program name at the first place of the program annotation, that is, the name displayed at the top of the program during running. Everyone who has learned Java knows what a "package" is. For those who haven't touched the "package" yet, I will give a personal explanation: Package: to prevent conflicts between classes with the same name and assign them to diffe

methods to provide an ID for fragment: 1. assign a number to the android: id attribute. 2. assign a string to the android: tag attribute. 3. If you do not use any of the above methods, the system will use the ID of the fragment container. Method 2: Add fragment to a ViewGro

SurfaceFlinger (3) of android Gui system and androidgui System7. SurfaceFlinger SurfaceFlinger has been mentioned in the previous section and is involved in many cases. SurfaceFlinger is the core of GUI refreshing UI, so any improvements to SurfaceFlinger will have a major impact on the android UI system. SurfaceFlinger consists of four parts: 1) butter program -

An Android app can contain zero or multiple acivity values. When your application contains multiple activities, you usually need to jump between them. In Android, intent components are required to complete these operations. The best way to understand this important and abstract concept is to try it. The following example shows how to jump between two activities. 1. Create a project, usingintent.

Android widgets (3) add widgets and androidwidgets to the Activity Package com. stone. ui; import static android. util. log. d; import android. app. activity; import android. appwidget. appWidgetHost; import android. appwidget.

Android Window 3: Create an application Window, androidwindow Create application window 1. Create Activity1. the application window must correspond to the Activity. AMS notifies the client ActivityThread to start the Activity. Create Activity object through reflection 2. Create the Window2. activity. attach () method to set internal variables.

. This is similar to the ingredient formula for the drink: "Two vodka, one coffee liqueur", that is, the vodka in the wine accounts for Two-thirds. For example, we define a view with a weight of 2 and another view with a weight of 1, then the total is 3, then the first view occupies 2/3 of the space and the second occu

) fixed length and width,Wrap_contentOfView 2) ConfigurationLayout_weight Android: layout_width = "0dp" Android: layout_weight = "1" 3) Calculate the remaining space 4) Allocate the remaining space (Full) A) when there is only oneViewSet the weight, regardless of the value size, all full B) When two or moreViewSet the

. Find a way to obtain this log 2. extract package name 3. process the whitelist according to the blacklist whitelist in the database. 4. Your application is probably in the blacklist, and the final result is that the process is killed. (Here we will not describe part 3 or Part 4. We will only describe part 1 and part 2