Android_ Development Fragment (Part 1)

1.maven environment configuration is similar to Java, the setting of my Computer environment, cmd query: mvn-version

2. When creating an AVD, pay attention to the version of the AVD (API), the version is too low or too high, often cannot run the project, or there are various errors when running the project.

3. Using the Maven project, retrieve the project from SVN, if there is a pom.xml error, it is likely that the update was forgotten (project right-maven-update projects)

4. Each time you create a new activity, you must register it in the Androidmanifest.xml

5. Encounter null pointer, often is the data is empty or the name of the control is bound wrong, follow the prompts to modify the bug.

6. To learn to use LOG.D ("," ") to write code, it can often help you find the part of the program that has problems.

LOG.D ("Output data", Message);

7.

Android_ Development Fragment (Part 1)