Android Bundle类.doc

?MicrosoftInternetExplorer402DocumentNotSpecified7.8 磅Normal0  ? 根据google/reference/android/os/Bundle.html） Bundlekey-value对，“A?mapping?from?String?values?to?various?Parcelable?types.” 类继承关系： java.lang.Object?????android.os.BundleBundlefinal类：public?final?classBundleextends?Objectimplements?Parcelable?Cloneable 两个activitybundle类来实现，做法就是： （1bundle类 [java]?view?plaincopy 1.?Bundle?mBundle?=?new?Bundle();??? （2）bundle类中加入数据（key?-value的形式，另一个activity里面取数据的时候，就要用到key，找出对应的value）? [java]?view?plaincopy 1.?mBundle.putString(Data,?data?from?TestBundle);?? (3)新建一个intent对象，并将该bundle加入这个intent对象? [cpp]?view?plaincopy 1.?Intent?intent?=?new?Intent();???? 2.?intent.setClass(TestBundle.this,?Target.class);???? 3.?intent.putExtras(mBundle);?? 完整代码如下：? android?mainfest.xml如下： [java]?view?plaincopy 1.??xml?version=1.0?encoding=utf-8??? 2.?manifest?xmlns:android=/apk/res/android?? 3.???????package=com.tencent.test?? 4.???????android:versionCode=1?? 5.???????android:versionName=1.0?? 6.?????application?android:icon=@drawable/icon?android:label=@string/app_name?? 7.?????????activity?android:name=.TestBundle?? 8.???????????????????android:label=@string/app_name?? 9.?????????????intent-filter?? 10.?????????????????action?android:name=ent.action.MAIN?/?? 11.?????????????????category?android:name=ent.category.LAUNCHER?/?? 12.?????????????/intent-filter?? 13.?????????/activity?? 14.?????activity?android:name=.Target/activity?? 15.?????/application?? 16.?????uses-sdk?android:minSdkVersion=7?/?? 17.?/manifest??? 两个类如下：intent从TestBundle类发起，到Target类。? 类1TestBundle类： [java]?view?plaincopy 1.?import?android.app.Activity;???? 2.?import?android.content.Intent;???? 3.?import?android.os.Bundle;???? 4.?import?android.view.View;?? 5.?import?android.view.View.OnClickListener;?? 6.?import?android.widget.Button;?? 7.??? 8.?public?class?TestBundle?extends?Activity?{???? 9.??????? 10.?????private?Button?button1;?? 11.?????private?OnClickListener?cl;??? 12.?????public?void?onCreate(Bundle?savedInsta