In Android development, close another activity in one activityFor example, there are Activitya, Activityb, close Activitya in Activityb .
Solution: 1.
In Activitya, set a static variable instance, initialized to this
Inside the Activityb, ActivityA.instance.finish (); 2. can also be Activitymanager Activitymanager manager = (Activitymanager) getsystemservice (Activity_service); Manager.restartpackage (PackageName); Can join:AndroidDevelopment Total CommunicationGroup: 179730949 (500 people) or Android development Total Exchange Group: 249919939 (1000 people)Examples are as follows:ActivityaPackage Com.activity.yuzhenbei;import Android.os.bundle;import Android.app.activity;import android.content.Intent; Import Android.view.keyevent;import Android.view.menu;import Android.view.menuitem;public class MainActivity extends Activity {Public static Activitya instance = null;@Override public void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (R.layout.activitya);instance = this; intent Intent = new Intent (); Intent.setclass (Activitya.this, Activityb.class); ActivityA.this.startActivity (Intent); } menu //When you click the menu button, call the method @Override public boolean oncreateoptionsmenu (Menu menu ) { menu.add (0, 1, 1, r.string.help). SetIcon ( android. R.drawable.ic_menu_close_clear_cancel) return super.oncreateoptionsmenu (menu); } //Select a dish @Override public boolean onoptionsitemselected (MenuItem item) { if (item.getitemid () = = 1) { intent Intent = new Intent (); Intent.setclass (Activitya.this, Activityb.class); ActivityA.this.startActivity (intent); } return super.onoptionsitemselected (item); } //return key @Override public Boolean OnKeyDown (int KeyCode, KeyEvent event) { if (keycode = = Keyevent.keycode_back) {//If it is a return key on the phone ActivityA.this.finish (); } return Super.onkeydown (KeyCode, event); }} ActivitybPackage Com.activity.yuzhenbei;import Android.app.activity;import Android.os.bundle;import android.view.KeyEvent; Import Android.view.view;public class Activityb extends Activity {@Overridepublic void OnCreate (Bundle Savedinstancestate) {super.oncreate (savedinstancestate); Setcontentview (R.LAYOUT.ACTIVITYB);} Return key @overridepublic boolean onKeyDown (int keycode, keyevent event) {if (keycode = = Keyevent.keycode_back) {//If it is returned on the phone Key ActivityB.this.finish ();ActivityA.instance.finish ();}return Super.onkeydown (KeyCode, event);}}
In Android development, close another activity in one activity
