Eclipse Mobile Mousw Manual do Utilizador descarregar pdf (Página 18)

Listing 6. R.java file

/* AUTO-GENERATED FILE. DO NOT MODIFY.

* This class was automatically generated by the

* aapt tool from the resource data it found. It

* should not be modified by hand.

package com.msi.ibmtutorial;

public final class R {

public static final class attr {

}

public static final class drawable {

public static final int icon=0x7f020000;

}

public static final class layout {

public static final int main=0x7f030000;

}

public static final class string {

public static final int app_name=0x7f040000;

}

The R class contains anonymous subclasses, which each contain identifiers for the

various resources previously described. Note that all of these classes are static.

Note the element represented by: R.layout.main. This identifier represents the layout

defined by main.xml. Recall that this value is used in the onCreate method of the

activity as follows: setContentView(R.layout.main);. This is the point at

which a specific activity (in this case, SayAnything) and a specific layout (main)

are bound together at runtime.

Building applications

Files are compiled every time they are saved by default.

Figure 5. Error pane

developerWorks® ibm.com/developerWorks

Develop Android applications with Eclipse

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Eclipse Mobile Mousw Manual do Utilizador Página 18