In Android, Java reflection reflect is used to output variable values in the class for debugging.

During debugging in Android development, we often need to output class data.
For example, we often need to check the following data types.

Public class data {private int ID; private string name; private string URL; private Bitmap bitmap; private long T; private string status; Public int GETID () {return ID ;} public void setid (int id) {This. id = ID;} Public String getname () {return name;} public void setname (string name) {This. name = Name ;}//...... save layout}

The Code is as follows:

Tool class:

Loghelper. Java

Import Java. lang. reflect. method; public class trace {public static void reflect_object (Object o, string classpath) {If (null = o | null = classpath) return; try {class <?> Userclass = Class. forname (classpath); // load class method [] Methods = userclass. getdeclaredmethods (); // obtain the method set of the class // traverse the method set system. out. println ("= start traversing getxx methods ="); For (INT I = 0; I <methods. length; I ++) {// obtain the return values of all getxx () // methods [I]. the getname () method returns the method name if (methods [I]. getname (). startswith ("get") {object = methods [I]. invoke (o); system. out. println ("" + methods [I]. getname () + "():" + object) ;}} system. out. println ("= END =");} catch (exception e) {e. printstacktrace ();}}}

Easy to use:

Data dat = new data (); // todo dat value assignment, operation, etc ..... ... // Call the assistant and output trace. reflect_object (dat, Data. Class. getname ());

Finished.