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低功耗蓝牙模块用串口助手发送16进制数据，手机接收数据一直在跳变（没电脑...
...蓝牙模块用串口助手发送16进制数据，手机接收数据一直在跳变（没电脑没发数据也在跳变）。重新试过了还是跳变同样的代码我测试过，一切正常，不会收到非预期的数据。
会不会有其他订阅通道干扰，你自己写一个最简单...
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=...
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...
gradle build fails on lint task
...lint errors in Android Studio that occurred only when I generated a signed APK.
To avoid it, I added the following to build.gradle
android {
lintOptions {
checkReleaseBuilds false
}
}
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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 Set Opacity (Alpha) for View in Android
... encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle">
<gradient
android:startColor="#80000000"
android:endColor="#80FFFFFF"
android:angle="45"/>
<padding android:left="7dp"
androi...
“Debug certificate expired” error in Eclipse Android plugins
...
It's a pain to have to delete all your development .apk files, because the new certificate doesn't match so you can't upgrade them in all your AVDs. You have to get another development MAP-API key as well. There's another solution.
You can create your own debug certificate in...
Can the Android drawable directory contain subdirectories?
...ut I've got "Uri is not registered" for xmlns:android="schemas.android.com/apk/res/android. What could be the case?
– AlexKost
Dec 12 '15 at 9:01
...
How to make a smaller RatingBar?
...ding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<item android:id="@android:id/background"
android:drawable="@drawable/star_empty" />
<item android:id="@android:id/secondaryProgress"
android:drawable="@drawable/star_...
Display the current time and date in an Android application
...utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<AnalogClock
android:layout_width="fill_parent"
android:layout_h...