This tutorial assumes that you have the Android Hardware Development Environment ( http://www.liquidware.com/shop/show/BB-AND-HDE/Android+Hardware+Development+Environment ) installed.
Create an Android project
1. Open up Eclipse and select File > New > Project
2. Select Android Project and click Next
3. In this window you can enter what you want or the following:
Project name: Hello World
Contents: Select "Create new project in workspace"
Build Target: Select "Android 2.1-update1"
Application name: HelloWorld
Package name: com.liquidware.helloworld
Create Activity: .HelloActivity
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Write your Application
1. Find and open HelloActivity.java and replace the code with:
package com.liquidware.helloworld;
import android.app.Activity; import android.os.Bundle; import android.widget.TextView;
public class HelloActivity extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); TextView tv = new TextView(this); tv.setText("Hello, Android!"); setContentView(tv); } }
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2. Find and open main.xml and replace the code with:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" > <TextView android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /> </LinearLayout>
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Compile your Application
Make sure you have ADB set up (Installing apk packages over USB with adb) before trying to compile to your device.
1. Press the
button and the application should be loaded onto your device.
If everything goes right this is what you should see:
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