alvinalexander.com | career | drupal | java | mac | mysql | perl | scala | uml | unix  

Android example source code file (RedirectGetter.java)

This example Android source code file (RedirectGetter.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" TM.

Java - Android tags/keywords

activity, android, button, content, onclicklistener, os, override, redirectdata, redirectgetter, sharedpreferences, string, textview, ui, view, widget

The RedirectGetter.java Android example source code

/*
 * Copyright (C) 2007 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.example.android.apis.app;

import com.example.android.apis.R;

import android.app.Activity;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;

/**
 * Sub-activity that is executed by the redirection example when input is needed
 * from the user.
 */
public class RedirectGetter extends Activity
{
    @Override
	protected void onCreate(Bundle savedInstanceState)
    {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.redirect_getter);

        // Watch for button clicks.
        Button applyButton = (Button)findViewById(R.id.apply);
        applyButton.setOnClickListener(mApplyListener);

        // The text being set.
        mText = (TextView)findViewById(R.id.text);
    }

    private final boolean loadPrefs()
    {
        // Retrieve the current redirect values.
        // NOTE: because this preference is shared between multiple
        // activities, you must be careful about when you read or write
        // it in order to keep from stepping on yourself.
        SharedPreferences preferences = getSharedPreferences("RedirectData", 0);

        mTextPref = preferences.getString("text", null);
        if (mTextPref != null) {
            mText.setText(mTextPref);
            return true;
        }

        return false;
    }

    private OnClickListener mApplyListener = new OnClickListener()
    {
        public void onClick(View v)
        {
            SharedPreferences preferences = getSharedPreferences("RedirectData", 0);
            SharedPreferences.Editor editor = preferences.edit();
            editor.putString("text", mText.getText().toString());

            if (editor.commit()) {
                setResult(RESULT_OK);
            }

            finish();
        }
    };

    private String mTextPref;
    TextView mText;
}

Other Android examples (source code examples)

Here is a short list of links related to this Android RedirectGetter.java source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller

 

new blog posts

 

Copyright 1998-2021 Alvin Alexander, alvinalexander.com
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.