我创建了一个对话框,每次用户打开应用程序时都会打开。由于这可能会让用户感到非常烦恼,因此我希望仅在首次启动应用程序时打开它。
我尝试了以下方法:
感谢帮助
Adrian
我尝试了以下方法:
public boolean openDialog = true;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
if (openDialog) {
launchDialog();
}
}
private void launchDialog() {
AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(
context);
// set title
alertDialogBuilder.setTitle("Your Title");
// set dialog message
alertDialogBuilder
.setMessage("Click yes to exit!")
.setCancelable(false)
.setPositiveButton("Yes",new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,int id) {
//don't open Dialog by next launch
openDialog = false;
// if this button is clicked, close
// current activity
MainActivity.this.finish();
}
})
.setNegativeButton("No",new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog,int id) {
// if this button is clicked, just close
// the dialog box and do nothing
dialog.cancel();
}
});
// create alert dialog
AlertDialog alertDialog = alertDialogBuilder.create();
// show it
alertDialog.show();
}
感谢帮助
Adrian