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How can I develop for iPhone using a Windows development machine?
Is there any way to tinker with the iPhone SDK on a Windows machine? Are there plans for an iPhone SDK version for Windows?
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Hidden features of Android development?
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The tools in the /tools directory of the SDK deserve a mention:
our designer was particularly impressed with draw9patch which helped design stretchable buttons. He gave me assets from there, and I changed from a background colour to a 9-patch drawable and now we ...
Integrate ZXing in Android Studio
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From version 4.x, only Android SDK 24+ is supported by default, and androidx is required.
Add the following to your build.gradle file:
repositories {
jcenter()
}
dependencies {
implementation 'com.journeyapps:zxing-android-embedded:4.1.0'
im...
Where'd padding go, when setting background Drawable?
... int bottom = view.getPaddingBottom() + drawablePadding.bottom;
int sdk = android.os.Build.VERSION.SDK_INT;
if(sdk < android.os.Build.VERSION_CODES.JELLY_BEAN) {
view.setBackgroundDrawable(backgroundDrawable);
} else {
view.setBackground(backgroundDrawable);
}
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WakeLock 扩展：保持设备唤醒扩展，防止系统休眠和电池优化 · App Inventor 2 中文网
...01-26)：添加 WifiLock 功能
1.5 (2021-03-21)：添加版本属性和 SDK 版本检查
1.7 (2021-07-20)：添加 OnAfterRelease、AcquireCausesWakeup 属性和相关方法
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权限请求示例
应用截图
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Clear Application's Data Programmatically
...ations:
import android.os.Build.*;
if (VERSION_CODES.KITKAT <= VERSION.SDK_INT) {
((ActivityManager)context.getSystemService(ACTIVITY_SERVICE))
.clearApplicationUserData(); // note: it has a return value!
} else {
// use old hacky way, which can be removed
// once minSdkV...
What permission do I need to access Internet from an Android application?
...eavocats"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="9"
android:targetSdkVersion="16" />
<uses-permission android:name="android.permission.INTERNET" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_l...
What is Gradle in Android Studio?
... command line, but you have to learn what each tool (dx, aapt) does in the SDK.
Eclipse saved us all from these low level but important, fundamental details by giving us their own build system.
Now, have you ever wondered why the res folder is in the same directory as your src folder?
This is whe...
TransformXml task could not be loaded from Microsoft.Web.Publishing.Tasks.dll
...nd although it works, I was going to try installing the Microsoft Windows SDK for Windows 7 and .NET Framework 4 Windows SDK for Windows 7 and .NET Framework 4, but it is taking to long to download.
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How to get the ActionBar height?
...by @Marina.Eariel
TypedValue tv = new TypedValue();
if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.HONEYCOMB){
if (getTheme().resolveAttribute(android.R.attr.actionBarSize, tv, true))
actionBarHeight = TypedValue.complexToDimensionPixelSize(tv.data,getResources().getDisplayMetr...