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Android 工具栏 PopupWindow 下拉菜单实现

Android 工具栏 PopupWindow 下拉菜单实现

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zip
zip

在 Android 应用开发中，经常需要实现点击工具栏按钮弹出下拉菜单的功能。介绍如何使用 PopupWindow 组件实现该功能，并提供相应的代码示例。

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DropDownMenu.zip 预估大小：50个文件
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DropDownMenu 文件夹
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bin 文件夹
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res 文件夹
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classes 文件夹
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com 文件夹
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example 文件夹
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dropdownmenu 文件夹
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MainActivity.class 5KB
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MainActivity$1$2.class 1KB
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BuildConfig.class 357B
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MainActivity$1.class 5KB
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R$layout.class 493B
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R$id.class 602B
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R$drawable.class 687B
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MainActivity$1$3.class 2KB
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MainActivity$1$4.class 1KB
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MainActivity$1$1.class 2KB
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R$attr.class 358B
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R$menu.class 415B
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R.class 731B
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MainActivity$1$6.class 1KB
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MainActivity$1$5.class 2KB
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R$string.class 488B
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R$anim.class 441B
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R$style.class 487B
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AndroidManifest.xml 997B
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res 文件夹
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drawable-ldpi 文件夹
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values-v11 文件夹
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styles.xml 332B
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menu 文件夹
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activity_main.xml 257B
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values-v14 文件夹
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styles.xml 389B
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drawable-hdpi 文件夹
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ic_launcher.png 7KB
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drawable-xhdpi 文件夹
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ic_launcher.png 12KB
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spinner_top.png 3KB
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bk_item_pressed.png 3KB
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mm_trans.png 103B
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spinner_top_down.png 3KB
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drawable 文件夹
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shape_bg_pop.xml 345B
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bg_list_item_pop.xml 556B
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btn_selector_pop.xml 356B
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drawable-xxhdpi 文件夹
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ic_launcher.png 24KB
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values 文件夹
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strings.xml 225B
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styles.xml 894B
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drawable-mdpi 文件夹
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ic_launcher.png 4KB
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anim 文件夹
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fade_in.xml 547B
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fade_out.xml 547B
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layout 文件夹
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pop_menuitem.xml 564B
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activity_main.xml 2KB
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pop_menulist.xml 607B
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proguard-project.txt 781B
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ic_launcher-web.png 50KB
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assets 文件夹
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gen 文件夹
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com 文件夹
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example 文件夹
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dropdownmenu 文件夹
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BuildConfig.java 166B
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R.java 3KB
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src 文件夹
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com 文件夹
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example 文件夹
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dropdownmenu 文件夹
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MainActivity.java 9KB
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.project 848B
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.classpath 364B
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project.properties 563B
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AndroidManifest.xml 997B
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libs 文件夹
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android-support-v4.jar 377KB
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zip 文件大小：465.71KB