Android应用程序返回上一屏幕 [英] Android application going back to previous screen

问题描述

Hello Everyone

开发包含多个XML文件的应用程序。当我从服务器接收特定命令时，基于我将使用以下命令调用所需的XML文件：



setContentView（R.layout.xml_file1）;

setContentView（R.layout.xml_file2）;



，这从xml_file1移动到xml_file2 ......但我无法回到之前屏幕即xml_file1（其当前屏幕）......是否正确使用上述命令调用xml文件???

如果没有请建议我正确的命令....并且还要回到上一个屏幕.....请帮助

Hello Everyone
Am developing an application with multiple XML files. When I receive particular commands from server, based on that i will be calling the required XML files using the command:

setContentView(R.layout.xml_file1);
setContentView(R.layout.xml_file2);

and this moves from xml_file1 to xml_file2...but I am unable to come back to previous screen ie xml_file1(its present screen)......whether is t correct to call xml file using the above mentioned command???
If not please suggest me the correct command....and also move back to the previous screen.....please help

推荐答案

Android使用Intent在活动之间转换，请参阅以下示例：

simple-example-for-intent-and-bundle [ ^ ]

<小时ef =https://thenewcircle.com/s/post/65/example_using_intent> example_using_intent [ ^ ]

Android uses Intent to transit between activities, see these examples :
simple-example-for-intent-and-bundle[^]
example_using_intent[^]

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