大约有 11,000 项符合查询结果（耗时：0.0156秒） [XML]
Using build types in Gradle to run same app that uses ContentProvider on one device
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<account-authenticator xmlns:android="http://schemas.android.com/apk/res/android"
android:accountType="@string/account_type"
android:icon="@drawable/ic_launcher"
android:smallIcon="@drawable/ic_launcher"
...
Animate the transition between fragments
...fade_in.xml:
<objectAnimator xmlns:android="http://schemas.android.com/apk/res/android"
android:interpolator="@android:interpolator/accelerate_quad"
android:valueFrom="0"
android:valueTo="1"
android:propertyName="alpha"
android:duration="@android:integer/config_mediumAnimTime...
地图组件（高德地图） · App Inventor 2 中文网
...制，1=256，2=512
ltype：线性控制，增加后，只对地图特征进行控制，没有文字注记，特征多少，是否透明。1 ~ 7 可以自行试试效果。
如有问题，点此参与讨论。
中心坐标字串
设置地图的初始中心坐标（纬度,经度），以...
Declaring a custom android UI element using XML
...l
Include the namespace declaration xmlns:app="http://schemas.android.com/apk/res-auto" in the top level xml element. Namespaces provide a method to avoid the conflicts that sometimes occur when different schemas use the same element names (see this article for more info). The URL is simply a manne...
How can I create a keystore?
... follow these steps:
1- On the menu bar, click Build > Generate Signed APK.
2-On the Generate Signed APK Wizard window, click Create new to create a new keystore.
If you already have a keystore, go to step 4.
3- On the New Key Store window, provide the required information as shown in figu...
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...
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...
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
...
C++ 智能指针shared_ptr,weak_ptr,shared_from_this实践 - C/C++ - 清泛网 - 专注C/C++及内核技术
...指针 lock 时会加锁，因此尽量在最后的线程控制权转移的时候才lock，传递使用shared_ptr & 或 weak_ptr，可极大地减少锁的次数，提高效率。（强指针赋值加锁，弱指针不加锁且对象很小在栈上完成拷贝，效率相差不大）
2438c++11,sh...
js/php判断终端类型：PC访问、手机访问、微信访问 - 更多技术 - 清泛网 - ...
....href="https://www.tsingfun.com/index.php?m=wap";
}
</script>
不过有时候还是后端判断直接定位相应模板来得直接，不用中转一道，这里提供php的判断方法：
// 判断是否是手机端
function is_mobile() {
// 如果有HTTP_X_WAP_PROFILE则一定是移...