Dialog Working With Fragment in Android

Example:-Dialog Working With Fragment in Android?

dialog_fragment.xml.

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xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/edit_name"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_gravity="center"
    android:orientation="vertical">

    <TextView
        android:id="@+id/lbl_your_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Enter user name" />

    <EditText
        android:id="@+id/username"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:imeOptions="actionDone"
        android:inputType="text" />

</LinearLayout>

Activity_main.xml

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xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/activity_main"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.project.example.dialogwithfragment.MainActivity">


    <Button
        android:text="showCustomFragment"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="88dp"
        android:id="@+id/showCustomFragment" />

    <Button
        android:text="showAlertDialogFragment"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_below="@+id/showCustomFragment"
        android:layout_alignRight="@+id/showCustomFragment"
        android:layout_alignEnd="@+id/showCustomFragment"
        android:layout_marginTop="43dp"
        android:id="@+id/showAlertDialogFragment"
        android:layout_alignLeft="@+id/showCustomFragment"
        android:layout_alignStart="@+id/showCustomFragment" />
</RelativeLayout>

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AlertDialog.java

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import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;
import android.widget.Toast;



public class AlertDialog_Fragment extends DialogFragment {
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        return new AlertDialog.Builder(getActivity())
                // set dialog icon
                .setIcon(android.R.drawable.stat_notify_error)
                // set Dialog Title
                .setTitle("Alert dialog fragment example")
                // Set Dialog Message
                .setMessage("This is a message")

                // positive button
                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(getActivity(), "Pressed OK", Toast.LENGTH_SHORT).show();
                    }
                })
                // negative button
                .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(getActivity(), "Cancel", Toast.LENGTH_SHORT).show();
                    }
                }).create();
    }
}

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Dialog_Fragment.java

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import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.os.Bundle;
import android.widget.Toast;



public class Dialog_Fragment  extends DialogFragment {
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        return new AlertDialog.Builder(getActivity())
                // set dialog icon
                .setIcon(android.R.drawable.stat_notify_error)
                // set Dialog Title
                .setTitle("Alert dialog fragment example")
                // Set Dialog Message
                .setMessage("This is a message")

                // positive button
                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(getActivity(), "Pressed OK", Toast.LENGTH_SHORT).show();
                    }
                })
                // negative button
                .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(getActivity(), "Cancel", Toast.LENGTH_SHORT).show();
                    }
                }).create();
    }
}

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My_DialogFragment .java

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import android.app.DialogFragment;
import android.os.Bundle;
import android.view.KeyEvent;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.EditText;
import android.widget.TextView;



public class My_DialogFragment extends DialogFragment implements TextView.OnEditorActionListener {

    private EditText mEditText;




    public interface UserNameListener {
        void onFinishUserDialog(String user);
    }

    // Empty constructor required for DialogFragment
    public My_DialogFragment() {

    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.dialog_fragment, container);
        mEditText = (EditText) view.findViewById(R.id.username);

        // set this instance as callback for editor action
        mEditText.setOnEditorActionListener(this);
        mEditText.requestFocus();
        getDialog().getWindow().setSoftInputMode(
                WindowManager.LayoutParams.SOFT_INPUT_STATE_VISIBLE);
        getDialog().setTitle("Please enter username");

        return view;
    }

    @Override
    public boolean onEditorAction(TextView v, int actionId, KeyEvent event) {
        // Return input text to activity
        UserNameListener activity = (UserNameListener) getActivity();
        activity.onFinishUserDialog(mEditText.getText().toString());
        this.dismiss();
        return true;
    }
}

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MainActivity .java

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import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity implements View.OnClickListener, My_DialogFragment.UserNameListener {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        Button btn= (Button)findViewById(R.id.showCustomFragment);
        btn.setOnClickListener(this);
        Button btn1= (Button)findViewById(R.id.showAlertDialogFragment);
        btn1.setOnClickListener(this);
    }

    @Override
    public void onFinishUserDialog(String user) {
        Toast.makeText(this, "Hi, " + user, Toast.LENGTH_SHORT).show();     }

    public void onClick(View view) {
        // close existing dialog fragments
        FragmentManager manager = getFragmentManager();
        Fragment frag = manager.findFragmentByTag("fragment_edit_name");
        if (frag != null) {
            manager.beginTransaction().remove(frag).commit();
        }
        switch (view.getId()) {
            case R.id.showCustomFragment:
                My_DialogFragment editNameDialog = new My_DialogFragment();
                editNameDialog.show(manager, "fragment_edit_name");
                break;
            case R.id.showAlertDialogFragment:
                AlertDialog_Fragment alertDialogFragment = new AlertDialog_Fragment();
                alertDialogFragment.show(manager, "fragment_edit_name");
                break;
        }
    }
}