การสร้าง Dialog Fragment

MessageDialog.java

package com.phaisarn.myapplication;

import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v7.app.AlertDialog;

public class MessageDialog extends DialogFragment {
    public MessageDialog() {
        //Empty constructor required for DialogFragment
    }

    public static MessageDialog newInstance(String title, String msg) {
        MessageDialog msgDlg = new MessageDialog();
        Bundle args = new Bundle();
        args.putString("title", title);
        args.putString("message", msg);
        msgDlg.setArguments(args);
        return msgDlg;
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        String title = getArguments().getString("title");
        String message = getArguments().getString("message");
        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())
                .setTitle(title)
                .setMessage(message)
                .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        // on success
                    }
                });

        return builder.create();
    }
}

package com.phaisarn.myapplication;

import android.app.Dialog;

import android.content.DialogInterface;

import android.os.Bundle;

import android.support.v4.app.DialogFragment;

import android.support.v7.app.AlertDialog;

public class MessageDialog extends DialogFragment {

public MessageDialog() {

//Empty constructor required for DialogFragment

}

public static MessageDialog newInstance(String title, String msg) {

MessageDialog msgDlg = new MessageDialog();

Bundle args = new Bundle();

args.putString("title", title);

args.putString("message", msg);

msgDlg.setArguments(args);

return msgDlg;

}

@Override

public Dialog onCreateDialog(Bundle savedInstanceState) {

String title = getArguments().getString("title");

String message = getArguments().getString("message");

AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())

.setTitle(title)

.setMessage(message)

.setPositiveButton("OK", new DialogInterface.OnClickListener() {

@Override

public void onClick(DialogInterface dialog, int which) {

// on success

}

});

return builder.create();

}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="26dp"
        android:text="Show Alert Dialog" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"

xmlns:tools="http://schemas.android.com/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical"

tools:context=".MainActivity">

<Button

android:id="@+id/button1"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_alignParentTop="true"

android:layout_centerHorizontal="true"

android:layout_marginTop="26dp"

android:text="Show Alert Dialog" />

</LinearLayout>

MainActivity.java

package com.phaisarn.myapplication;

import android.support.v4.app.FragmentManager;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Button button1 = (Button) findViewById(R.id.button1);
        button1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                showMessageDialog();
            }
        });
    }

    private void showMessageDialog() {
        FragmentManager fm = getSupportFragmentManager();
        MessageDialog alertDialog = MessageDialog.newInstance("คำเตือน", "ยอดเงินของคุณใกล้จะหมด \nกรุณาเติมเงินด้วยค่ะ");
        alertDialog.show(fm, null);
    }

}

package com.phaisarn.myapplication;

import android.support.v4.app.FragmentManager;

import android.support.v7.app.AppCompatActivity;

import android.os.Bundle;

import android.view.View;

import android.widget.Button;

public class MainActivity extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

Button button1 = (Button) findViewById(R.id.button1);

button1.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

showMessageDialog();

}

});

}

private void showMessageDialog() {

FragmentManager fm = getSupportFragmentManager();

MessageDialog alertDialog = MessageDialog.newInstance("คำเตือน", "ยอดเงินของคุณใกล้จะหมด \nกรุณาเติมเงินด้วยค่ะ");

alertDialog.show(fm, null);

}

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การสร้าง Dialog Fragment