I am currently on SecondActivity.class . On my code, when I backpress , I want the dialog to appear on my MainActivity.class .
This is my code on inflating the dialog layout.
This appears on SecondActivity.class instead of my main activity.
View dialog = LayoutInflater.from(this).inflate(R.layout.dialog_fmcg_popup, null);
TextView tvfmcg2 = dialog.findViewById(R.id.tv_fmcg2);
tvfmcg2.setText(message);
swipeDismissDialog = new SwipeDismissDialog.Builder(this)
.setView(dialog)
.setOnSwipeDismissListener(new OnSwipeDismissListener() {
@Override
public void onSwipeDismiss(View view, SwipeDismissDirection direction) {
Preferences.setString(Prefkey.last_qualified_fmcg_voucher_on_remove, message);
}
})
.setFlingVelocity(0)
.setOverlayColor(0)
.build()
.show();
Well what you can use is ActivityForResult()
method.
You need to start the activity a little bit different of what you are doing.
startActivityForResult(new Intent(this, SecondActivity.class), 80);
Then in your SecondActivity.class
you override the onBackPressed()
method as follows
@Override
public void onBackPressed() {
setResult(Activity.RESULT_OK,new Intent());
finish();
}
And in your FirstActivity.class
you have to override the onActivityResult()
method
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == 80) {
if(resultCode == Activity.RESULT_OK){
View dialog = LayoutInflater.from(this).inflate(R.layout.dialog_fmcg_popup, null);
TextView tvfmcg2 = dialog.findViewById(R.id.tv_fmcg2);
tvfmcg2.setText(message);
swipeDismissDialog = new SwipeDismissDialog.Builder(this)
.setView(dialog)
.setOnSwipeDismissListener(new OnSwipeDismissListener()
{
@Override
public void onSwipeDismiss(View view, SwipeDismissDirection direction)
{
Preferences.setString(Prefkey.last_qualified_fmcg_voucher_on_remove, message);
}
})
.setFlingVelocity(0)
.setOverlayColor(0)
.build()
.show();
}
}
}
尝试调用方法而不是在MainActivity
onStart
或onResume
中显示对话框
If you want to display this on your MainActivity instead of your SecondActivity you must start the SecondActivity like this:
startActivityForResult(yourIntent, SECOND_ACTIVITY_KEY)
On BackPresses you can set the result like this
Intent intent=Intent()
intent.putExtra("MESSAGE",message)
setResult(2,intent)
Then on MainActivity you can listen for results and call your dialog.
override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent) {
// Check which request we're responding to
if (requestCode == SECOND_ACTIVITY_KEY) {
// Make sure the request was successful
if (resultCode == Activity.RESULT_OK) {
// The user picked a contact.
// The Intent's data Uri identifies which contact was selected.
// Do something with the contact here (bigger example below)
}
}
}
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