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Possible Duplicate:
Android: How to declare global variables?
我想从其他 Activity 访问主 Activity 中的公共(public)实例变量。 我想在主要 Activity 中调用公共(public)方法。 我该怎么做?
class MainActivity extends Activity {
public int i;
public void myMethod() {}
}
class MyActivity extends Activity {
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// How can I access variable i in MainActivity?
// And How can I call myMethod() in MainActivity?
}
}