com.github.preferencefragment.app.FragmentAlertDialog.java Source code

Java tutorial

Introduction

Here is the source code for com.github.preferencefragment.app.FragmentAlertDialog.java

Source

/*
 * Copyright (C) 2010 The Android Open Source Project
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * http://www.apache.org/licenses/LICENSE-2.0
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.github.preferencefragment.app;

import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.AlertDialog;
import android.support.v4.app.Dialog;
import android.support.v4.app.support.DialogFragment;
import android.support.v7.app.ActionBarActivity;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

import com.github.preferencefragment.R;

/**
 * Demonstrates how to show an AlertDialog that is managed by a Fragment.
 */
public class FragmentAlertDialog extends ActionBarActivity {

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

        View tv = findViewById(R.id.text);
        ((TextView) tv).setText("Example of displaying an alert dialog with a DialogFragment");

        // Watch for button clicks.
        Button button = (Button) findViewById(R.id.show);
        button.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                showDialog();
            }
        });
    }

    void showDialog() {
        DialogFragment newFragment = MyAlertDialogFragment.newInstance(R.string.alert_dialog_two_buttons_title);
        newFragment.show(getSupportFragmentManager(), "dialog");
    }

    public void doPositiveClick() {
        // Do stuff here.
        Log.i("FragmentAlertDialog", "Positive click!");
    }

    public void doNegativeClick() {
        // Do stuff here.
        Log.i("FragmentAlertDialog", "Negative click!");
    }

    public static class MyAlertDialogFragment extends DialogFragment {

        public static MyAlertDialogFragment newInstance(int title) {
            MyAlertDialogFragment frag = new MyAlertDialogFragment();
            Bundle args = new Bundle();
            args.putInt("title", title);
            frag.setArguments(args);
            return frag;
        }

        @Override
        public Dialog onCreateDialog(Bundle savedInstanceState) {
            int title = getArguments().getInt("title");

            return new AlertDialog.Builder(getActivity()).setIcon(R.drawable.alert_dialog_icon).setTitle(title)
                    .setPositiveButton(R.string.alert_dialog_ok, new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int whichButton) {
                            ((FragmentAlertDialog) getActivity()).doPositiveClick();
                        }
                    }).setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int whichButton) {
                            ((FragmentAlertDialog) getActivity()).doNegativeClick();
                        }
                    }).create();
        }
    }

}