การสร้าง Custom Dialog Fragment

drawable/shape_dialog_edit.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle">
    <stroke
        android:width="1dp"
        android:color="#999" />
    <padding
        android:bottom="5dp"
        android:left="5dp"
        android:right="5dp"
        android:top="5dp" />
</shape>

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

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

android:shape="rectangle">

<stroke

android:width="1dp"

android:color="#999" />

<padding

android:bottom="5dp"

android:left="5dp"

android:right="5dp"

android:top="5dp" />

</shape>

layout/fragment_input.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="20dp">

    <TextView
        android:id="@+id/dialog_text"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_margin="5dp"
        android:textSize="18sp" />

    <EditText
        android:id="@+id/dialog_edit"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="5dp"
        android:background="@drawable/shape_dialog_edit" />

</LinearLayout>

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

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

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical"

android:padding="20dp">

<TextView

android:id="@+id/dialog_text"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_margin="5dp"

android:textSize="18sp" />

<EditText

android:id="@+id/dialog_edit"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_marginLeft="5dp"

android:background="@drawable/shape_dialog_edit" />

</LinearLayout>

InputFragment.java

package com.phaisarn.myapplication;

import android.os.Bundle;
import android.view.View;
import android.app.Dialog;
import android.content.DialogInterface;
import android.support.v4.app.DialogFragment;
import android.support.v7.app.AlertDialog;
import android.text.InputType;
import android.widget.EditText;
import android.widget.TextView;

public class InputFragment extends DialogFragment {

    public InputFragment() {
        // Required empty public constructor
    }

    enum DataType {
        String,
        Number,
        Password
    }

    public static InputFragment newInstance(String message, DataType type) {
        InputFragment dialog = new InputFragment();
        Bundle args = new Bundle();
        args.putString("message", message);
        args.putSerializable("type", type);
        dialog.setArguments(args);
        return dialog;
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        String message = getArguments().getString("message");
        View view = getActivity().getLayoutInflater().inflate(R.layout.fragment_input, null);

        TextView textView = view.findViewById(R.id.dialog_text);
        textView.setText(message);

        final EditText editText = view.findViewById(R.id.dialog_edit);
        DataType type = (DataType)getArguments().getSerializable("type");
        if(type == DataType.String) {
            editText.setInputType(InputType.TYPE_CLASS_TEXT);
        } else if(type == DataType.Number) {
            editText.setInputType(InputType.TYPE_CLASS_NUMBER);
        } else if(type == DataType.Password) {
            editText.setInputType(InputType.TYPE_TEXT_VARIATION_PASSWORD | InputType.TYPE_CLASS_TEXT);
        }

        AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(getActivity())
                .setView(view)
                .setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.dismiss();
                    }
                })
                .setPositiveButton("OK",  new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        mListener.onFinishDialog(editText.getText().toString());
                    }
                });

        return alertDialogBuilder.create();
    }

    interface OnFinishDialogListener {
        void onFinishDialog(String result);
    }

    private OnFinishDialogListener mListener;

    public void setOnFinishDialogListener(OnFinishDialogListener listener) {
        mListener = listener;
    }
}

package com.phaisarn.myapplication;

import android.os.Bundle;

import android.view.View;

import android.app.Dialog;

import android.content.DialogInterface;

import android.support.v4.app.DialogFragment;

import android.support.v7.app.AlertDialog;

import android.text.InputType;

import android.widget.EditText;

import android.widget.TextView;

public class InputFragment extends DialogFragment {

public InputFragment() {

// Required empty public constructor

}

enum DataType {

String,

Number,

Password

}

public static InputFragment newInstance(String message, DataType type) {

InputFragment dialog = new InputFragment();

Bundle args = new Bundle();

args.putString("message", message);

args.putSerializable("type", type);

dialog.setArguments(args);

return dialog;

}

@Override

public Dialog onCreateDialog(Bundle savedInstanceState) {

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

View view = getActivity().getLayoutInflater().inflate(R.layout.fragment_input, null);

TextView textView = view.findViewById(R.id.dialog_text);

textView.setText(message);

final EditText editText = view.findViewById(R.id.dialog_edit);

DataType type = (DataType)getArguments().getSerializable("type");

if(type == DataType.String) {

editText.setInputType(InputType.TYPE_CLASS_TEXT);

} else if(type == DataType.Number) {

editText.setInputType(InputType.TYPE_CLASS_NUMBER);

} else if(type == DataType.Password) {

editText.setInputType(InputType.TYPE_TEXT_VARIATION_PASSWORD | InputType.TYPE_CLASS_TEXT);

}

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

.setView(view)

.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {

@Override

public void onClick(DialogInterface dialog, int which) {

dialog.dismiss();

}

})

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

@Override

public void onClick(DialogInterface dialog, int which) {

mListener.onFinishDialog(editText.getText().toString());

}

});

return alertDialogBuilder.create();

}

interface OnFinishDialogListener {

void onFinishDialog(String result);

}

private OnFinishDialogListener mListener;

public void setOnFinishDialogListener(OnFinishDialogListener listener) {

mListener = listener;

}

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/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="31dp"
        android:text="Show 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/button"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:layout_marginTop="31dp"

android:text="Show 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;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

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

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

    private void showInputDialog() {
        FragmentManager fm = getSupportFragmentManager();
        InputFragment dialog = InputFragment.newInstance("Please enter data:", InputFragment.DataType.String);
        dialog.show(fm, null);

        dialog.setOnFinishDialogListener(new InputFragment.OnFinishDialogListener() {
            @Override
            public void onFinishDialog(String result) {
                Toast.makeText(getBaseContext(), result, Toast.LENGTH_SHORT).show();
            }
        });
    }

}

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;

import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main);

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

button.setOnClickListener(new View.OnClickListener() {

@Override

public void onClick(View v) {

showInputDialog();

}

});

}

private void showInputDialog() {

FragmentManager fm = getSupportFragmentManager();

InputFragment dialog = InputFragment.newInstance("Please enter data:", InputFragment.DataType.String);

dialog.show(fm, null);

dialog.setOnFinishDialogListener(new InputFragment.OnFinishDialogListener() {

@Override

public void onFinishDialog(String result) {

Toast.makeText(getBaseContext(), result, Toast.LENGTH_SHORT).show();

}

});

}

Phaisarn Sutheebanjard

blog.phaisarn.com

การสร้าง Custom Dialog Fragment