android简单计算器的实现

一个简单地android计算器 可以实现加减乘除 样式也设计好了 开始学android时制作的一个小项目

/* 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 android.support.v7.appcompat;

public final class R {
	public static final class anim {
		public static final int abc_fade_in = 0x7f040000;
		public static final int abc_fade_out = 0x7f040001;
		public static final int abc_slide_in_bottom = 0x7f040002;
		public static final int abc_slide_in_top = 0x7f040003;
		public static final int abc_slide_out_bottom = 0x7f040004;
		public static final int abc_slide_out_top = 0x7f040005;
	}
	public static final class attr {
		public static final int actionBarDivider = 0x7f01000b;
		public static final int actionBarItemBackground = 0x7f01000c;
		public static final int actionBarSize = 0x7f01000a;
		public static final int actionBarSplitstyle = 0x7f010008;
		public static final int actionBarstyle = 0x7f010007;
		public static final int actionBarTabBarstyle = 0x7f010004;
		public static final int actionBarTabstyle = 0x7f010003;
		public static final int actionBarTabTextstyle = 0x7f010005;
		public static final int actionBarWidgetTheme = 0x7f010009;
		public static final int actionButtonstyle = 0x7f010012;
		public static final int actiondropDownstyle = 0x7f010043;
		public static final int actionLayout = 0x7f01004a;
		public static final int actionMenuTextAppearance = 0x7f01000d;
		public static final int actionMenuTextColor = 0x7f01000e;
		public static final int actionModeBackground = 0x7f010038;
		public static final int actionModeCloseButtonstyle = 0x7f010037;
		public static final int actionModeCloseDrawable = 0x7f01003a;
		public static final int actionModeCopyDrawable = 0x7f01003c;
		public static final int actionModeCutDrawable = 0x7f01003b;
		public static final int actionModeFindDrawable = 0x7f010040;
		public static final int actionModePasteDrawable = 0x7f01003d;
		public static final int actionModePopupWindowstyle = 0x7f010042;
		public static final int actionModeSelectAllDrawable = 0x7f01003e;
		public static final int actionModeShareDrawable = 0x7f01003f;
		public static final int actionModeSplitBackground = 0x7f010039;
		public static final int actionModestyle = 0x7f010036;
		public static final int actionModeWebSearchDrawable = 0x7f010041;
		public static final int actionOverflowButtonstyle = 0x7f010006;
		public static final int actionProviderClass = 0x7f01004c;
		public static final int actionViewClass = 0x7f01004b;
		public static final int activityChooserViewstyle = 0x7f010068;
		public static final int background = 0x7f01002b;
		public static final int backgroundSplit = 0x7f01002d;
		public static final int backgroundStacked = 0x7f01002c;
		public static final int buttonBarButtonstyle = 0x7f010014;
		public static final int buttonBarstyle = 0x7f010013;
		public static final int customNavigationLayout = 0x7f01002e;
		public static final int disableChildrenWhenDisabled = 0x7f010050;
		public static final int

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2015-12-16 12:42  cal\
     文件         475  2015-11-27 08:06  cal\.classpath
     文件         839  2015-11-27 08:06  cal\.project
     目录           0  2015-12-16 12:42  cal\.settings\
     文件         177  2015-11-27 08:06  cal\.settings\org.eclipse.jdt.core.prefs
     文件         946  2015-11-29 10:27  cal\AndroidManifest.xml
     目录           0  2015-11-27 08:06  cal\assets\
     目录           0  2015-12-16 12:42  cal\bin\
     文件         946  2015-12-03 20:19  cal\bin\AndroidManifest.xml
     文件      655807  2015-12-15 20:50  cal\bin\cal.apk
     目录           0  2015-12-16 12:42  cal\bin\classes\
     文件     1274084  2015-12-15 20:50  cal\bin\classes.dex
     目录           0  2015-12-16 12:42  cal\bin\classes\android\
     目录           0  2015-12-16 12:42  cal\bin\classes\android\support\
     目录           0  2015-12-16 12:42  cal\bin\classes\android\support\v7\
     目录           0  2015-12-16 12:42  cal\bin\classes\android\support\v7\appcompat\
     文件         629  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$anim.class
     文件        4954  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$attr.class
     文件         763  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$bool.class
     文件         594  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$color.class
     文件        1280  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$dimen.class
     文件        5191  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$drawable.class
     文件        2784  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$id.class
     文件         445  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$integer.class
     文件        1623  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$layout.class
     文件        1141  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$string.class
     文件        8830  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$style.class
     文件        6273  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R$styleable.class
     文件        1015  2015-12-16 12:36  cal\bin\classes\android\support\v7\appcompat\R.class
     目录           0  2015-12-16 12:42  cal\bin\classes\com\
     目录           0  2015-12-16 12:42  cal\bin\classes\com\example\
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