public class MyApp extends Application {
private String myState;
public String getState() {
return myState;
}
public void setState(String s) {
myState = s;
}
}
public class Blah extends Activity {
@Override
public void onCreate(Bundle b){
...
MyApp appState = ((MyApp)getApplicationContext());
String state = appState.getState();
...
}
}
然后再manifest中添加应用:
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