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Understanding keystore, certificates and alias
...d and the public key (the certificate) for that alias is embedded into the APK.
Now to answer your question, you can only release an update to an application that was signed with the alias 'foo' by signing the update again with the same alias. Losing the keystore where your alias is stored would pr...
How do disable paging by swiping with finger in ViewPager but still be able to swipe programmaticall
...viewpager2.widget.ViewPager2
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/pager"
android:orientation="vertical" />
Using code
To disable swiping in viewpager2 use
viewPager2.setUserInputEnabled(false);
To enable swiping in viewpager2 Use
viewPager2.s...
Webview load html from assets directory
...ity_main.xml
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:background="#FFFFFF"
android:layout_height="match_parent">
<WebView
android:layout_width="match_parent"
android:id="@+id/webview"
android:layout_height...
Creating a system overlay window (always on top)
...of such a button is the install button when you try to install third party apks. Any app can display such a button if adding to the view layout the following line:
android:filterTouchesWhenObscured="true"
If you display an always-on-top window over a "Secured Button", so all the secured button pa...
实战Nginx与PHP（FastCGI）的安装、配置与优化 - 更多技术 - 清泛网 - 专注...
...为/usr/local/php/etc/php-fpm.conf。
php-fpm.conf是一个XML格式的纯文本文件，其内容很容易看明白。这里重点介绍几个重要的配置标签：
标签listen_address是配置fastcgi进程监听的IP地址以及端口，默认是127.0.0.1:9000。
<value name="listen_addre...
Set TextView text from html-formatted string resource in XML
...View.
<RelativeLayout
...
xmlns:android_ex="http://schemas.android.com/apk/res-auto"
...>
<tv.twelvetone.samples.textviewex.TextViewEx
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/string_with_html"
android_ex:isHtml="true"
...
how to show progress bar(circle) in an activity having a listview before loading the listview with d
...="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:paddingLeft="5dp"
android:paddingRight="5dp" >
<LinearLayout
android:id="@+id/progressbar_view"
android:layout_wid...
Difference between ActionBarSherlock and ActionBar Compatibility
... xml file is the same:
<menu xmlns:android="http://schemas.android.com/apk/res/android" >
<item
android:id="@+id/action_1"
android:orderInCategory="100"
android:showAsAction="always"
android:title="@string/action1"/>
<item
android:id="@+id/action_2"
android:...
Is it a good idea to use Google Guava library for Android development?
...
I was curious about Guava & APK size. Simple testing revealed the following: "Hello world" & not much else (debug): 27KB; "Hello world" with Guava (15.0) dependency and minor Guava usage (debug): 705KB; the same, release build, optimised with ProGua...
App Inventor 2 CustomWebView 拓展：高级版Web浏览器，完美浏览现代Web前...
... offsetY = e.clientY - element.offsetTop; return false; // 防止文本选中 }; // 鼠标移动时拖动元素 document.onmousemove = function(e) { if (!isDragging) return; element.style.left = (e.clientX - offsetX) + 'px'; element.style.top = (e....