是否可以看到远程设备上的应用程序的logcat,简而言之,是否可以远程logcat?
我向客户端发送了一个应用程序,这在您的设备中出现错误,我使用相同版本的模拟器进行了测试,但错误仅发生在它身上。
是否可以使用 flutter 将文件保存到闪存驱动器?
我正在使用带有 USB c 端口的随身碟,如下所示: https ://www.bestbuy.com/site/sandisk-ultra-dual-drive-go-1tb-usb-type-a-usb-type-c-闪存驱动器-黑色/6560692.p?skuId=6560692
我发现这个问题: https://github.com/flutter/flutter/issues/40504
我已经尝试了几件事,但path_provider没有正确返回目录getExternalStorageDirectories()
我已经将权限添加到清单中并请求它permission_handler
<uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"
android:maxSdkVersion="28" />
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.INTERNET"/>
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我也尝试过file_picker
await FilePicker.platform.getDirectoryPath();
但是,当选择闪存驱动器上的文件夹时,它返回的路径只是:/
我也尝试使用usb_serial:
final bytes = <int>[];
await yt.videos.streamsClient.get(audioStream).listen((chunk) {
bytesReceived += chunk.length;
bytes.addAll(chunk);
}, onDone: () async{
MyLog.log('Done onDone');
}, onError: (error) async{
MyLog.log('Done error: $error');
}).asFuture();
final devices = await UsbSerial.listDevices();
final port = await devices.first.create();
final openResult = await port?.open();
if ( …Run Code Online (Sandbox Code Playgroud) How to use drawableLeft with an xml icon? I have the following button:
<Button
android:id="@+id/vitimas"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="10dp"
android:layout_marginLeft="20dp"
android:layout_marginRight="20dp"
android:drawableLeft="@drawable/ic_person_black_24dp"
android:drawableStart="@drawable/ic_person_black_24dp"
android:background="@drawable/botao_verde"
android:text="Vítimas"/>
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In old APIs such as 16, the app stops working due to drawableLeft, I tried to use an ImageButton but the same happens, if I use app: srcCompat it works, however the icon is not stay in left, I need it to be stay in left and the text in the middle
The icon is …
我把json放在另一个里面,就像这样:
JSONObject json = new JSONObject();
for(.....){
JSONObject v = new JSONObject();
v.put("key", "value");
v.put("key", "value");
v.put("key", "value");
json.put(i, v.toString());
i++;
}
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问题是它是这样的:
{"0":"{\"key\":\"value\",\"key\":\"value\",...}"}
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充满"\",有没有人知道如何退出或做"正确的模式"?