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Mipmap drawables for icons

...tinct uses of mipmaps: For launcher icons when building density specific APKs. Some developers build separate APKs for every density, to keep the APK size down. However some launchers (shipped with some devices, or available on the Play Store) use larger icon sizes than the standard 48dp. Launcher...
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How to implement a ViewPager with different Fragments / Layouts

...id.support.v4.view.ViewPager xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" android:id="@+id/viewPager" android:layout_width="fill_parent" android:layout_height="fill_parent" /> The Fragment classes, FirstFr...
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Can I change the Android startActivity() transition animation?

... this code: fadein.xml <set xmlns:android="http://schemas.android.com/apk/res/android" android:fillAfter="true"> <alpha android:fromAlpha="1.0" android:toAlpha="0.0" android:duration="500"/> //Time in milliseconds </set> In your finish-class ...
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passing xxx as \'this\' argument of xxx discards qualifiers - C/C++ - 清泛网 - 专注C/C++及内核技术

...用常量成员函数(因为常量成员函数约定不对非静态成员进行修改...这是由于常量对象调用了非常量成员函数引起错误,错误原因在于常量对象只能调用常量成员函数(因为常量成员函数约定不对非静态成员进行修改). 来自 stackov...
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App Inventor 2能编译出苹果iOS版App吗? - App Inventor 2 中文网 - 清泛I...

...题,首先可以明确地说目前并不支持,只支持iOS版AI伴侣进行测试,但是AI伴侣版本更新一直都是落后于安卓版,导致测试时会有一些不兼容或一些奇怪问题,体验不是很好,因此还是建议有条件话还是使用安卓手机进...
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App Inventor 2 如何下载/保存网络图片? - App Inventor 2 中文网 - 清泛...

...i2_down_webpics首先,需要使用Web客户端组件,需要和网络url进行数据交互场景就要考虑使用它,Web客户端组件在通信连接抽屉中:设置好网络图片url,然后执行Get方法即可,代码如下:其中,特 首先,需要使用 Web客户端 ...
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ListView item background via custom selector

...tf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="?android:attr/listPreferredItemHeight" android:background="@drawable/listitem_background" > ... </LinearLayout> listitem_ba...
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华为手机安装 AI 伴侣或编译后 apk 出现“恶意应用”阻拦问题 - App Invent...

华为手机,鸿蒙系统,可能出现阻拦如图: 解决方法: 手机设置 安全 更多安全 外部来源应用下载打开,就可以了 手机设置 系统和更新 纯净模式关闭也可以
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apk安装报错:packageInfo is null? - 用户反馈 - 清泛IT社区,为创新赋能!

编译设置问题,包名中没有英文点.,已修复,加了包名验证提示。
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How to use the ProGuard in Android Studio?

... You're probably not actually signing the release build of the APK via the signing wizard. You can either build the release APK from the command line with the command: ./gradlew assembleRelease or you can choose the release variant from the Build Variants view and build it from the GU...