Android11 工厂测试应用

 

一.一些问题

1.1.Android中遇到button按钮设置背景图片无法显示的解决方案

AS 4.2.版本

<!-- Base application theme. -->
Theme.MaterialComponents.DayNight.DarkActionBar ----> Theme.MaterialComponents.DayNight.DarkActionBar.Bridge

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<resources xmlns:tools="http://schemas.android.com/tools">     <!-- Base application theme. -->     <!--<style name="Theme.XH_Test" parent="Theme.MaterialComponents.DayNight.DarkActionBar">-->     <style name="Theme.XH_Test" parent="Theme.MaterialComponents.DayNight.DarkActionBar.Bridge">     <!-- Primary brand color. -->         <item name="colorPrimary">@color/purple_500</item>         <item name="colorPrimaryVariant">@color/purple_700</item>         <item name="colorOnPrimary">@color/white</item>

1.2.Android11 文件存储 新建文件

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11-26 10:06:07.333 E/MediaProvider( 1075): insertFileIfNecessary failed 11-26 10:06:07.333 E/MediaProvider( 1075): java.lang.IllegalArgumentException: Primary directory null not allowed for content://media/external_primary/file; allowed directories are [Download, Documents] 11-26 10:06:07.333 E/MediaProvider( 1075):      at com.android.providers.media.MediaProvider.ensureFileColumns(MediaProvider.java:2923) 11-26 10:06:07.333 E/MediaProvider( 1075):      at com.android.providers.media.MediaProvider.ensureUniqueFileColumns(MediaProvider.java:2588) 11-26 10:06:07.333 E/MediaProvider( 1075):      at com.android.providers.media.MediaProvider.insertFile(MediaProvider.java:3282) 11-26 10:06:07.333 E/MediaProvider( 1075):      at com.android.providers.media.MediaProvider.insertInternal(MediaProvider.java:3826) 11-26 10:06:07.333 E/MediaProvider( 1075):      at com.android.providers.media.MediaProvider.insert(MediaProvider.java:3537) 11-26 10:06:07.333 E/MediaProvider( 1075):      at com.android.providers.media.MediaProvider.insertFileForFuse(MediaProvider.java:7187) 11-26 10:06:07.333 E/MediaProvider( 1075):      at com.android.providers.media.MediaProvider.insertFileIfNecessaryForFuse(MediaProvider.java:7281) 11-26 10:06:07.334 W/System.err( 4398): java.io.FileNotFoundException: /storage/emulated/0/voice_record.3gp: open failed: EPERM (Operation not permitted) 11-26 10:06:07.334 W/System.err( 4398):         at libcore.io.IoBridge.open(IoBridge.java:492) 11-26 10:06:07.334 W/System.err( 4398):         at java.io.RandomAccessFile.<init>(RandomAccessFile.java:289) 11-26 10:06:07.334 W/System.err( 4398):         at java.io.RandomAccessFile.<init>(RandomAccessFile.java:152) 11-26 10:06:07.334 W/System.err( 4398):         at android.media.MediaRecorder.prepare(MediaRecorder.java:1091) 11-26 10:06:07.334 W/System.err( 4398):         at com.xinhua.model.VoiceRecordTest.startAudioRecording(VoiceRecordTest.java:71)

 代码

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1 2	sdFile = new File("/storage/external_sd/xinhua.txt"); sdFile.createNewFile();

 解决方法  

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1	android:requestLegacyExternalStorage="true"

1.3.Android 11  打开WiFi设置开关   

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WIFI on: adb shellsvc wifi enable WIFI off: adb shell svc wifi disable

　扫描WiFi列表

a.清单文件 加WiFi权限

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<!--wifi--> <uses-permission android:name="android.permission.ACCESS_WIFI_STATE" /> <uses-permission android:name="android.permission.CHANGE_WIFI_STATE" /> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />

b.startScan

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mWifiManager = (WifiManager) mContext.getSystemService(Context.WIFI_SERVICE); mTelephony = (TelephonyManager) mContext.getSystemService(Context.TELEPHONY_SERVICE); //mWifiManager.setWifiEnabled(true); Toolkit.RootCommand("svc wifi enable"); mWifiManager.startScan();

 1.4.添加lib库

build.grade

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sourceSets {     main {         jni {             srcDirs 'src/main/jni', 'src/main/jniLibs'         }     } }