Android 5.1.1及更高版本Cordova的外部存储路径(SD卡)
我正在用cordova开发一个android应用程序,我想每天创建一个文件夹并在其中存储一个txt文件。我试过的所有东西都适用于每个android的内部内存,但不适用于外部SD卡,请看一看并帮我解决 上述条件一直持续到4.4.4版本,5.0之后路径不正确 我已经为/mnt和/storage尝试了以下所有路径Android 5.1.1及更高版本Cordova的外部存储路径(SD卡),android,cordova,cordova-plugins,sd-card,android-external-storage,Android,Cordova,Cordova Plugins,Sd Card,Android External Storage,我正在用cordova开发一个android应用程序,我想每天创建一个文件夹并在其中存储一个txt文件。我试过的所有东西都适用于每个android的内部内存,但不适用于外部SD卡,请看一看并帮我解决 上述条件一直持续到4.4.4版本,5.0之后路径不正确 我已经为/mnt和/storage尝试了以下所有路径 // sdcard0 works on all the androind for Internal Memory // 'file:///storage/sdcard1/'; suppose
// sdcard0 works on all the androind for Internal Memory
// 'file:///storage/sdcard1/'; suppose to work for external in higher version but
// 'file:///mnt/sdcard/'; it works but in Internal memory ERROR
// externalSdCard -----> Not found with mnt and storage
// SECONDARY_STORAGE
// 'file:///storage/UsbDriveB/' -----------> didn't worked
// external_sd is not worked with storage and mnt
我到处都读到,sdcard0是内部的,sdcard1是外部的,但它似乎不再工作了。有人能帮我修路吗
连我都试过了
以上内容仅适用于内部存储
所有对外部存储器的存储/读/写权限都已授予。从Android 5.0开始,外部(可移动)SD的位置不再是固定路径。相反,在路径中使用SD卡的序列号。 例如,在运行Android 7.1.1的三星Galaxy S4上,物理外部可移动SD卡路径为
/storage/4975-1401/
此外,外部SD卡的根目录(例如/storage/4975-1401/
)现在对Android应用程序是只读的。这意味着,如果你的应用程序需要写入SD卡,它必须在应用程序沙盒目录中写入(例如/storage/4975-1401/Android/data/your.app.package.id/files
)
cordova插件文件
不允许您访问外部(可移动)SD卡:例如cordova.file.externalRootDirectory
返回file:///storage/emulated/0/
但是,您可以使用的检索指向外部(可移动)SD卡的文件路径,例如:
function getExternalSdLocation(done){
cordova.plugins.diagnostic.getExternalSdCardDetails(function(details){
details.forEach(function(detail){
if(detail.type == "application"){
cordova.file.externalSdCardApplicationDirectory = detail.filePath;
}else if(detail.type == "root"){
cordova.file.externalSdCardRootDirectory = detail.filePath;
}
});
done();
}, function(error){
console.error(error);
done();
});
}
getExternalSdLocation(function(){
// use cordova.file.externalSdCardApplicationDirectory to write to SD card
});
对于Android 6.0及以上版本,需要运行时权限才能访问外部SD卡。
您可以使用中来请求此权限
function requestExternalSdPermission(done){
cordova.plugins.diagnostic.requestRuntimePermission(function(status){
switch(status){
case cordova.plugins.diagnostic.permissionStatus.GRANTED:
console.log("Permission granted");
getExternalSdLocation(done);
break;
case cordova.plugins.diagnostic.permissionStatus.DENIED:
console.log("Permission denied");
askAgain(done);
break;
case cordova.plugins.diagnostic.permissionStatus.DENIED_ALWAYS:
console.log("Permission permanently denied");
reportError(done);
break;
}
}, function(error){
console.error("The following error occurred: "+error);
reportError(done);
}, cordova.plugins.diagnostic.permission.WRITE_EXTERNAL_STORAGE);
}
- 在Android 5及以下版本上运行此代码将导致“已授予权限”,而无需请求用户的权限
- 您还需要将
包含在
中-请参阅AndroidManifest.xml
function getExternalSdLocation(done){
cordova.plugins.diagnostic.getExternalSdCardDetails(function(details){
details.forEach(function(detail){
if(detail.type == "application"){
cordova.file.externalSdCardApplicationDirectory = detail.filePath;
}else if(detail.type == "root"){
cordova.file.externalSdCardRootDirectory = detail.filePath;
}
});
done();
}, function(error){
console.error(error);
done();
});
}
getExternalSdLocation(function(){
// use cordova.file.externalSdCardApplicationDirectory to write to SD card
});
function requestExternalSdPermission(done){
cordova.plugins.diagnostic.requestRuntimePermission(function(status){
switch(status){
case cordova.plugins.diagnostic.permissionStatus.GRANTED:
console.log("Permission granted");
getExternalSdLocation(done);
break;
case cordova.plugins.diagnostic.permissionStatus.DENIED:
console.log("Permission denied");
askAgain(done);
break;
case cordova.plugins.diagnostic.permissionStatus.DENIED_ALWAYS:
console.log("Permission permanently denied");
reportError(done);
break;
}
}, function(error){
console.error("The following error occurred: "+error);
reportError(done);
}, cordova.plugins.diagnostic.permission.WRITE_EXTERNAL_STORAGE);
}