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App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...在点击事件处理程序中调用点击数字过程，并将按钮显示文本作为参数，传递给该过程。如图2-4所示。图2-4 在按钮点击事件中调用点击数字过程以此类推，其他9个按钮的点击事件处理程序也将如法炮制。如图2-5所示。图2-5 所有...
Android: set view style programmatically
...layout:
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/my_styleable_relative_layout"
style="@style/LightStyle"
...
Then when you need to change the style programmatically, after the layout has been inflated:
// Any way to get the v...
Android studio: new project vs new module
...y module with your app module and include the
resulting AAR file in your APK.
Lastly, Intellij mentions some more details about Module configuration files:
Configuration information for a module is stored in a .iml module
file. By default, such a file is located in the module's content roo...
Compiling problems: cannot find crt1.o
...
this helps, for alpine linux apk add libc-dev=0.7.1-r0
– Yu Jiaao
Sep 17 '18 at 1:15
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When does ADT set BuildConfig.DEBUG to false?
... "the code"... however, I will say that doing a clean before exporting the APK (as suggested in the accepted answer) made both BuildConfig.DEBUG and com.mypackage.BuildConfig.DEBUG report false as expected.
– Chris Rae
Jun 13 '13 at 0:03
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Separate Back Stack for each tab in Android using Fragments
...ing="utf-8"?>
<TabHost
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@android:id/tabhost"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<LinearLayout
android:orientation="vertical"
android:layout_widt...
How to Animate Addition or Removal of Android ListView Rows
...to-down animation use :
<set xmlns:android="http://schemas.android.com/apk/res/android">
<translate android:fromYDelta="20%p" android:toYDelta="-20"
android:duration="@android:integer/config_mediumAnimTime"/>
<alpha android:fromAlpha="0.0" android:toAlpha=...
How to check certificate name and alias in keystore files?
...l? I found a way to check if specific keystore was used to sign a specific apk, but I also need to get the alias and certificate name in each of the files.
...
Develop Android app using C#
...would NOT recommend it. The Mono runtime is bundled with your app, so your apk ends up being bloated at more than 6MB. A better programming solution for C# would be dot42. Both Mono and dot42 are licensed products.
Personally, I would recommend using Java with the IntelliJ IDEA dev environment. I s...
Get spinner selected items text?
...ng="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<EditText android:layout_height="wrap_content"
android:layout_margin=...