我正在尝试在我的 android 模拟器上创建一个目录,但我做不到,我已经拥有清单 write_storage 的权限,并且我没有收到任何错误但 mkdir() 返回 false,我验证外部存储是否是也是可写的,它可以在我的代码的物理设备上运行:
I'm trying to create a directory on my android emulator but I can't do it, I already have the permission on manifest write_storage, and I get no erros but mkdir() return false, I verify if external storage is writtable too and it is, it works on physical devices my code:
/// Cria uma nova pasta para colocar o backup
File direct = new File(Environment.getExternalStorageDirectory(),
"/Financas RW Backup");
try {
if (!direct.exists()) {
if(isExternalStorageWritable()&&isExternalStorageReadable()) {
if( direct.mkdir()) {
fachada.showMessage(ExportImportDB.this," Criado");
}else{
fachada.showMessage(ExportImportDB.this," No Criado");
}
}
}
} catch (Exception e) {
fachada.showMessage(this, e.toString());
}
你必须选择:
compileSdkVersion
和 targetSdkVersion
降级为 build.gradle
compileSdkVersion
and targetSdkVersion
to lower version in your build.gradle
我个人不建议第一个.欲了解更多信息,请查看:
I personally don't advice the first one. For more info check:
希望这会有所帮助!
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