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Is it possible to change the package name of an Android app on Google Play?
...play/android-developer/answer/113476?hl=en
Update your apps
Prepare your APK
When you're ready to make changes to your APK, make sure to update your app’s version code as well so that existing users will receive your update.
Use the following checklist to make sure your new APK is ready to upd...
ByteArray 扩展 - 字节数组处理工具 · App Inventor 2 中文网
...。
数组长度
返回字节数组的总长度。只读属性。
高位在前
设置字节序，决定多字节数据的存储顺序。true为大端序（网络字节序），false为小端序（x86架构），默认为true。
当前位置
获取或设置当前读/写位置。
大小
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Sign APK without putting keystore info in build.gradle
I am trying to setup signing process so that keystore password and key password are not stored in the project's build.gradle file.
...
What is the purpose of Android's tag in XML layouts?
...activity.xml:
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/layout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<!-- First include file -->
<include l...
install / uninstall APKs programmatically (PackageManager vs Intents)
...
i am making apk file explorer with install, remove and backup functionality, so is google allow me to stay publish my application on google play? and which policy we are going to break?
– Rahul Mandaliya
...
浅析为什么char类型的范围是 -128~+127 - C/C++ - 清泛网 - 专注C/C++及内核技术
...整型范围的公式吗： -2^(n-1)~2^(n-1)-1 n为整型的内存占用位数，所以int类型32位 那么就是 -(2^31)~2^31 -1 即
-2147483648~2147483647,但是为什么最小负数绝对值总比最大正数多1 ，这个问题甚至有的工作几年的程序员都模棱两可，因为...
How to Reverse Fragment Animations on BackStack?
...0" encoding="utf-8"?>
<set xmlns:android="http://schemas.android.com/apk/res/android"
android:duration="@android:integer/config_mediumAnimTime" >
<objectAnimator
xmlns:android="http://schemas.android.com/apk/res/android"
android:duration="500"
android:prop...
How to make the corners of a button round?
...coding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" >
<item android:state_pressed="true" >
<shape android:shape="rectangle" >
<corners android:radius="3dip" />
<stroke android:width="1dip" android:co...
How to customize a Spinner in Android
...imple_spinner_item
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/text1"
style="@style/spinnerItemStyle"
android:maxLines="1"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:ellipsize="marquee...
App Inventor 2 拓展参考文档 · App Inventor 2 中文网
...自研拓展：接入DeepSeek、Kimi、通义千问…等国内大模型，免费开放！
【Markdown】Markdown 自研拓展：大模型输出 Markdown 格式渲染、转换为HTML、生成图片
【数据图表】 ECharts/ECharts3D 拓展：基于 ECharts 强大的个性化数据图表展示
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