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列表显示框 - App Inventor 2 中文网 - 清泛IT社区，为创新赋能！
列表显示框如何根据名称筛选列表的内容，就像搜索框输入名字那样，可以筛选特定的内容，但是需要搜出来的时候就是筛选过的
首次打开app时，提示打开蓝牙权限，打开后点击开始搜索，设备列表没有显示...
...提示打开蓝牙权限，打开后点击开始搜索，设备列表没有显示蓝牙设备，而且app卡住了点不动，后面需要先在手机系统设置先打开蓝牙，然后启动app才能搜索到设备，请问大家这个怎么解决，怎么才能启动app同时打开蓝牙权限并...
GridLayout (not GridView) how to stretch all children evenly
...d position.)
<GridLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:columnCount="1"
>
<TextView
android:text="2x2 button grid"
android:textSize="32dip"
...
How to change Android version and code version number?
...e Android version and code version number Android Studio? I want to change apk file (app) on Google Play and I need to change Android version and code version number. I tried with this in AndroidManifest.xml file in Android Studio:
...
Android - styling seek bar
... to res/drawable):
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/red_scrubber_control_disabled_holo" android:state_enabled="false"/>
<item android:drawable="@drawable/red_scrubber_control_pressed_holo" android:state_p...
Why use armeabi-v7a code over armeabi code?
....so files is a 6MB and I need to reduce file size. Instead of having a fat APK file, I would like to use just the armeabi files and remove the armeabi-v7a folder.
...
VC窗口刷新InvalidateRect和UpdateWindow - C/C++ - 清泛网 - 专注C/C++及内核技术
...部使用的，应用程序不必去理会他们。
在某些情况下，显示区域的一部分被临时覆盖，Windows试图保存一个显示区域，并在以后恢复它，但这不一定能成功。Windows可能发送WM_PAINT消息：Windows擦除覆盖了部分窗口的对话框或消息...
Style bottom Line in Android
... of the height.
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item>
<shape android:shape="rectangle" >
<solid android:color="#1bd4f6" />
</shape>
</item>
<item android:top="-2dp" android:rig...
How do I create a ListView with rounded corners in Android?
...encoding="UTF-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<gradient
android:startColor="#SomeGradientBeginColor"
android:endColor="#SomeGradientEndColor"
android:angle="270"/>
<cor...
Typical .gitignore file for an Android app
...
You can mix Android.gitignore:
# built application files
*.apk
*.ap_
# files for the dex VM
*.dex
# Java class files
*.class
# generated files
bin/
gen/
# Local configuration file (sdk path, etc)
local.properties
with Eclipse.gitignore:
*.pydevproject
.project
.metadata
bin/**...