14八/100
Life Circle of Android Activity
从Hello Android 书中截来的图。比较完整的Activity生命周期.

标签: activity, android, life-circle, 生命周期
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24七/100
android中添加menu
1.定义menu.xml资源文件
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@+id/settings"
android:title="@string/settings_label"
android:alphabeticShortcut="@string/settings_shortcut"></item>
</menu>
<menu xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@+id/settings" android:title="@string/settings_label" android:alphabeticShortcut="@string/settings_shortcut"></item></menu>
2.在activity的onCreateOptionsMenu中inflate menu
MenuInflater inflater = getMenuInflater(); inflater.inflate(R.menu.menu, menu)
3.在acitvity的onOptionsItemsSelected中添加事件
switch ( item.getItemId() ) { case //... }<span style="font-family: Georgia, 'Times New Roman', 'Bitstream Charter', Times, serif; font-size: small;"><span style="line-height: 19px; white-space: normal;"> </span></span>