我的應用程序出現問題,我想在點擊後退按鈕時關閉我的應用程序。 但是當從這個屏幕回來時,應用程序返回到prev屏幕。我嘗試添加所有退出腳本,但不工作,請幫助。 我的腳本:退出應用程序Android
public void onBackPressed() {
Exit = new AlertDialog.Builder(tab1.this).create();
Exit.setTitle("Exit Program");
Exit.setMessage("Exit?");
Exit.setButton("Ya", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
android.os.Process.killProcess(android.os.Process.myPid());
Intent intent = new Intent();
System.exit(0);
finish();
System.runFinalizersOnExit(true);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
intent.setAction(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
});
Exit.setButton2("No", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// here you can add functions
Exit.dismiss();
}
});
Exit.show();
}
// Before 2.0
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
Exit = new AlertDialog.Builder(tab1.this).create();
Exit.setTitle("Exit Program");
Exit.setMessage("Exit?");
Exit.setButton("Ya", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// Progress
android.os.Process.killProcess(android.os.Process.myPid());
Intent intent = new Intent();
System.exit(0);
finish();
System.runFinalizersOnExit(true);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
intent.setAction(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_HOME);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
});
Exit.setButton2("No", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
// here you can add functions
Exit.dismiss();
}
});
Exit.show();
return true;
}
return super.onKeyDown(keyCode, event);
}
這似乎不是一個好主意,因爲它顛覆了後退按鈕的預期行爲。 – 2014-09-01 04:37:18
我想如果你[搜索](http://www.google.com/search?q=stop+exit+kill+android+app+programatically)足夠你會得到你的答案。也請看[這個問題](http://stackoverflow.com/questions/2033914/quitting-an-application-is-that-frowned-upon)。歡迎來到StackOverflow btw :) – Keale 2014-09-01 04:44:42
Thx評論和分享鏈接,這對我來說非常有用:) – user3811450 2014-09-01 05:02:15