colabug

Another series: DevBytes: Efficient Data Transfers

Network Performance 101

• Reduce time between when user wants and gets data.
• Reduce radio active time and fetch less data.
• Never poll! GCM/signaling is better. Reduce frequency. Batch + prefetch.
• Should use binary format instead of JSON, etc.

Battery Drain and Networking

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cover
frontmatter:
maketitle
preface.md

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<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/calculator_buttons"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <!--1-->
    <Button
        android:id="@+id/button1"

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Plugin Route

Trying this plugin: https://github.com/kageiit/gradle-robojava-plugin

I am starting from a Blank Activity wizard hello world project - nothing fancy. I stashed by attempts at the manual configuration route that I was pursuing yesterday.

Added tdd module

Used the drop down menu, selected Java at the very bottom.

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import android.app.Activity;
import android.app.Fragment;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.os.Bundle;

public class DynamicFragmentSwappingActivity extends Activity
{
    @Override
    public void onCreate( Bundle savedInstanceState )

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package com.colabug.TardisNoFragments;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentActivity;
import android.view.View;
import android.widget.Toast;

public class HelloTardisActivity extends FragmentActivity
{

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# Shell Settings
export ANDROID_HOME="/usr/bin/android-sdk-macosx"
export PATH="/usr/bin/android-sdk-macosx/platform-tools:/usr/bin:/usr/bin/android-sdk-macosx/tools:/usr/local/apache-maven-2.1.2/bin:$PATH"

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@Test
public void buttonClickShouldStartNewActivity() throws Exception 
{
    Button button = activity.findViewById( R.id.next_screen_button );
    button.performClick();
    Intent intent = NewActivity.createIntent( activity );
    assertThat( activity, new StartedMatcher( intent ) );
}