如何在单击按钮上启动新活动在Android应用程序中,当单击另一个活动中的按钮时,如何启动新活动(GUI),以及如何在这两个活动之间传递数据?
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海绵宝宝撒
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Intent i = new Intent(getBaseContext(), ViewPerson.class); i.putExtra("PersonID", personID);startActivity(i);Bundle extras = getIntent().getExtras();if(extras !=null){
personID = extras.getString("PersonID");}public class YourApplication extends Application {
public SomeDataClass data = new SomeDataClass();}YourApplication appState = ((YourApplication)this.getApplication());appState.data.CallSomeFunctionHere(); // Do whatever you need to with data here. Could be setter/getter or some other type of logic
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