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@MartinMatta
Last active February 10, 2021 09:25
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import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.app.AlertDialog;
import android.view.LayoutInflater;
import android.content.Context;
import android.os.Handler;
import android.os.Bundle;
import android.view.View;
public class MainActivity extends AppCompatActivity {
final Context c = this;
boolean doubleBackToExitPressedOnce = false;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public void onBackPressed() {
if (doubleBackToExitPressedOnce) {
LayoutInflater layoutInflaterAndroid = LayoutInflater.from(c);
View mView = layoutInflaterAndroid.inflate(R.layout.exit_dialog, null);
AlertDialog.Builder alertDialogBuilderUserInput = new AlertDialog.Builder(c);
alertDialogBuilderUserInput.setView(mView);
AlertDialog alertDialogAndroid = alertDialogBuilderUserInput.create();
Button btnCancel = (Button) mView.findViewById(R.id.btnCancel);
Button btnOk = (Button) mView.findViewById(R.id.btnOk);
btnCancel.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
alertDialogAndroid.dismiss();
}
});
btnOk.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
finish();
System.exit(1);
}
});
alertDialogAndroid.show();
}
this.doubleBackToExitPressedOnce = true;
new Handler().postDelayed(new Runnable() {
@Override
public void run() {
doubleBackToExitPressedOnce=false;
}
}, 2000);
}
}
/* exit_dialog.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/connect_dialog"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:padding="16dp"
tools:ignore="MissingClass">
<ImageView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:paddingTop="32dp"
android:paddingBottom="32dp"
android:src="@drawable/exit"/>
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
android:paddingBottom="16dp"
android:textSize="16dp"
android:textStyle="bold"
android:text="Exit text"/>
<TableLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:paddingTop="16dp">
<TableRow
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center">
<Button
android:id="@+id/btnCancel"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="8dp"
android:scaleY="1.2"
android:text="Cancel"
android:layout_column="1"
app:backgroundTint="@android:color/holo_red_dark"/>
<Button
android:id="@+id/btnOk"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="8dp"
android:scaleY="1.2"
android:text="ok"
android:layout_column="2"
app:backgroundTint="@android:color/holo_green_light"/>
</TableRow>
</TableLayout>
</LinearLayout>
*/
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