[英]How to request permissions on Android Marshmallow for JUnit tests
[英]How to grant permissions to android app running on Marshmallow?
我有一個創建兩個文件夾並將數據存儲在這兩個文件夾中的應用程序。當我在棉花糖以下的版本上運行此應用程序時,一切正常。但是當我在棉花糖上運行相同的應用程序時,除非我手動授予權限,否則不會創建該文件夾進入應用程序設置。 這是我用來檢查權限的代碼:
private boolean checkWritePermission(){
int result = ContextCompat.checkSelfPermission(context, Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (result == PackageManager.PERMISSION_GRANTED){
Log.d("WRITE_PERMISSION","Permission granted");
return true;
} else {
return false;
}
}
private boolean checkReadPermission(){
int result = ContextCompat.checkSelfPermission(context, Manifest.permission.READ_EXTERNAL_STORAGE);
if (result == PackageManager.PERMISSION_GRANTED){
Log.d("READ_PERMISSION","Permission granted");
return true;
} else {
return false;
}
}
這是我用來請求權限的代碼:
private void requestReadPermission()
{
if (ActivityCompat.shouldShowRequestPermissionRationale(activity,Manifest.permission.READ_EXTERNAL_STORAGE)){
Toast.makeText(context,"This permission allows you to read downloaded magazine",Toast.LENGTH_LONG).show();
} else {
ActivityCompat.requestPermissions(activity,new String[]{Manifest.permission.READ_EXTERNAL_STORAGE},PERMISSION_REQUEST_CODE_READ);
}
}
private void requestWritePermission(){
if (ActivityCompat.shouldShowRequestPermissionRationale(activity,Manifest.permission.WRITE_EXTERNAL_STORAGE)){
Toast.makeText(context,"This permission allows you to download the magazine",Toast.LENGTH_LONG).show();
} else {
ActivityCompat.requestPermissions(activity,new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE},PERMISSION_REQUEST_CODE_WRITE);
}
}
private void requestInternetPermission()
{
if (ActivityCompat.shouldShowRequestPermissionRationale(activity,Manifest.permission.INTERNET)){
}else{
ActivityCompat.requestPermissions(activity,new String[]{Manifest.permission.INTERNET},PERMISSION_REQUEST_CODE_INTERNET);
}
}
這是onRequestPermissionsResult的代碼:-
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
switch (requestCode)
{
case PERMISSION_REQUEST_CODE_READ:
if (grantResults.length > 0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
{
}else
{
}
break;
case PERMISSION_REQUEST_CODE_WRITE:
if (grantResults.length >0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
{
}else
{
}
break;
case PERMISSION_REQUEST_CODE_INTERNET:
if (grantResults.length >0 && grantResults[0] == PackageManager.PERMISSION_GRANTED)
{
}else
{
}
break;
}
}
我在oncreate中檢查權限,如下所示:
if (checkReadPermission() && checkWritePermission())
{
Log.d("ALL PERMISSIONS","All permissions granted");
}else
{
requestInternetPermission();
requestReadPermission();
requestWritePermission();
}
用於檢查權限的代碼存在幾個問題:
if (checkReadPermission() && checkWritePermission()) {
Log.d("ALL PERMISSIONS","All permissions granted");
} else {
requestInternetPermission();
requestReadPermission();
requestWritePermission();
}
Manifest.permission.INTERNET
。 這是一個易受攻擊的權限,因此總是被授予,這就是為什么您總是獲得權限的原因。 permission-group.STORAGE
請求一個permission-group.STORAGE
。 該請求是: Manifest.permission.READ_EXTERNAL_STORAGE
或Manifest.permission.WRITE_EXTERNAL_STORAGE
嘗試使用以下代碼:
if (checkWritePermission()) {
Log.d("ALL PERMISSIONS","All permissions granted");
} else {
requestWritePermission();
}
Github中有一些方便的權限檢查庫。
我正在使用PermissionDispatcher。 看看這個。
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