Android :: Android Permission To Open
Nov 4, 2009
I am designing an application on Android that needs to access hardware registers from user space. The application is integrated to external/ skia. First, I have to determine the virtual address of my hardware by doing a device open("/dev/mem", O_RDWR|O_SYNC) followed by a mmap(...) What are the rules behind permission to open the mem device ? 2. What is the usage of the config flags related to DEVMEM and can they help me? 3. Where is the master config file that generates all the generated files? 4. Is there anything I can do via the permission inside the xml manifests?
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May 28, 2013
I created a test android app that does two simple things, open the browswer and open the calculator
My main problem is that once I put a custom permission inside the mainfest, I can no longer open my own application. The app does appear on the launcher screen but when I launch it, it will say "App isn't installed". However using a second app and giving it the proper uses and making sure it's signed by the same signature it opens fine.Here is the manifest for my main app:
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.dms_test_app2"[code].....
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Jun 30, 2010
Is there a way to open and edit word file in android and if this application exist does it has an open API?
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Jul 1, 2010
I have a ListActivity that uses a CursorAdapter to fill the rows in the view. I wrote a database helper class that gives me back results for common queries I make for my app, and it uses an SQLiteOpenHelper implementation I wrote to open the database. I use the open helper to open the database and get a cursor to pass to my CursorAdapter.
Here's a code snippet:
CODE:...................
The problem I'm having, that I didn't have before I implemented the open helper (before I just opened the database directly without a helper), is when I click on an item, which takes me to another activity, and then go back to this activity. When it initializes everything is fine, and my list is populated fine, but when I go back from the activity that follows, the list is empty and in the LogCat I see "Invalid statement in fillWindow()".
It appears from a few post I've seen that the reason is, when I requery the cursor, the database is closed. But I'm not closing it! I'm scratching my head on this one.
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Feb 15, 2009
XX@XX-T23:/opt/android-sdk-linux_x86-1.0_r2/tools$ adb shell $ ls sqlite_stmt_journals cache sdcard etc init default.prop logo.rle init.trout.rc system data sys proc init.goldfish.rc init.rc sbin root dev //
It works normally $ cd data $ ls opendir failed, Permission denied
//have no permission $ cd cache cd: can't cd to cache ........//
Maybe the same reason above $. Does it mean I should get the G1's root permission?
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Apr 7, 2010
I compiled my app in Eclipse and export it as signed application package, when I install it on my G1, I got "phone calls" and "storage" permission alert, "phone calls" permission said: "read phone state and identity", "storage" permission said :"modify/delete SD card contents". but in my AndroidManifest.xml file, I never define these two permission, and my application never need the two permissions. Does anybody know why I get the permission alert? I use ADT 0.9.6. is that possible ADT compiler or signed tools inject the two permission into my app?
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Apr 14, 2009
Any idea why I get permission denied when I run su in adb shell? I've seen multiple posts here claiming all you have to do is run su, but it never works for me. Why?
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Jun 24, 2009
I'm prepping my first app for publishing and am a bit confused about how to properly test my <uses-permission> tags.. if i don't specify any permissions my app runs with no complaints on my G1. I tried installing it via "adb install" as well as with the eoeAppInstaller (as somebody had recommended). Also, the app is signed with my own certificate (not the debug cert). given that it works fine with no permissions (btw, it accesses camera and sd card), how will I know if I've set all of the proper <uses- permission> tags?
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Oct 19, 2010
How can I send SMS from Emulator A to Emulator B such that when Emulator B receive a Text message (After the Permission is Granted to emulator B) then Emulator B gets its GPS Coordinates and send it As a SMS in Respond to Emulator A.
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Oct 29, 2010
Reduce the number of permissions? What exactly do you mean by that?
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May 29, 2009
How do I access another package's permissions? Somehow with PackageManager?
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Aug 5, 2010
I wrote a test to check what kind of permissions are allowed to an application. A test run in the emulator shows the following error: However, a search of SDK doc revealed that only the following permissions are reversed to the system: Code...
This brings up 2 questions: (1) Why did the emulator deny other permissions in addition to those 4 system ones? (2) How could an app get the system permission? If this can only be done by building a custom Android like an OEM build, where in the Android platform does it check for system-level permission?
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Sep 13, 2010
How can I add some permission in framework , is it any way to do this ??
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Feb 10, 2010
I saw on http://developer.android.com/guide/topics/security/security.html that my app can declare a permission:
.....................
However, what if com.me.app.myapp is not yet installed on the device?
[a] I tested with "adb install", and Foo was installed on the device without incident. The only thing I see is "W/PackageManager( 62): Unknown permission com.me.app.myapp.permission.DEADLY_ACTIVITY in package com.foo.Foo"
[b] if I upload Foo into Android Market, but the user has not yet installed "myapp", will he be able to see Foo in market?
[c] if the answer to [b] is yes (I really hope so, or else it will be a major bummer ...) what message will the user see regarding com.me.app.myapp.permission.DEADLY_ACTIVITY? Since the description of this permission is declared only in "myapp", without "myapp" installed, will the user just see the name of the permission, which probably doesn't mean much?
If [c] is true, would this be a weakness to the Android permission system/Android Market? As long as I can fool the user to install my app first, I would be able to gain permissions that the user would not have otherwise granted me (had he known the true nature of such permissions).
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May 6, 2009
I am doing an experimental project and want to send key events from one application to another. I know android doesn't allow applications to interfere each other in this way due to security concern. Is there any way i could bypass the security check? I've looked into the WindowManagerService class and made some modifications but it seems not working for me.
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Sep 21, 2010
I have a doubt regarding content provider.My doubt is I create a app1 that creates Content Provider and in second application(app2) i am using app1's content provider methods(like insert, update etc). It's working fine but i want to set some permissions in app1, so that if any other app wants to use that provider it must have to get this permissions(<uses- permissions) then only it should be able to use providers.
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Mar 4, 2010
I rooted my Motorola Cliq successfully in order to start using tcpdump. I copied tcpdump inti /system/bin. And I am logged in as root. When I try to run tcpdump I get Permission denied I am really blocked. I was trying to root my phone for 2 days just to be able to use tcpdump.
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Jan 29, 2009
I wanted to use the funcion goToSleep() in PowerManager Class to force the device to sleep. But I'm getting an exception and the application crashes when I call this function. I already have added the DEVICE_POWER permission in Androidmanifest.xml. When I checked the logs I could see below error "E/AndroidRuntime( 2158): Caused by: java.lang.SecurityException: Neither user 10 020 nor current process has android.permission. DEVICE_POWER." Has anyone faced this issue before. Does application have DEVICE_POWER permission. or is it disabled.
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May 14, 2009
I need some help to understand the use of permission-group tag in AndroidManifest files. Is there any need of using permission-group and what benefit offers this grouping? Is there a plus security using it? Does anyone know an example when to use it?
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Oct 13, 2010
EDIT: Problem solved, FileOutputStream defined uncorrectly, change to: fos = new FileOutputStream( root + "/" + saveFileName );
I have a problem writing to the SD card, here is the code: (Sorry about the layout of the code, just copy pased it )
public class SaveAndReadManager {
private String result;
private String saveFileName = "eventlist_savefile";
public String writeToFile( ArrayList<Event> arrlEvents ){
FileOutputStream fos = null;
ObjectOutputStream out = null;...............................
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Jan 23, 2010
I would like my app to archive the application DB to the SD card. In my code I check if the directory can Write(), and if not then throw an IOException. In this perticular instance, I am trying to copy the db file to the root directory on the SD card, but its throwing an IOException. How can I change the permission on a folder/file to be able to write to it
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May 8, 2009
I am sure that the permission is granted as I declare this in my manifest. Hence the app wouldn't be installed if the user didn't grant the permission.
(a) My guess is that it's a rooted phone where the app is started from an SD card (or similar) whereby the original user id has changed after the install. (b) This could be a Cupcake "feature". Acquiring wake locks has gone down a similar path as turning GPS on?
I am trying to track down (a) with my users, but this takes some time. I meanwhile now that at least one user uses a JF image. Anybody else has experience with that issue? if (b) might be valid? The app works on my 1.5 emulator and on > 400 phones with Cupcake, at least it is installed on them and users don't submit bug reports. So I guess (b) is not the case, but who knows?
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Jun 11, 2010
Shall we give root permissions for android application? My requirement is I want to execute a c program using jni. That contains some functions like unmount etc. I tried in the following way static { System.loadLibrary("myjni"); }
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Jun 2, 2010
I have a problem with an application, that refuses to start, and I think it may be because of missing permission(s). Is there any way to tell which permissions are required by an application in order to run?
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Jul 14, 2009
I want to delete Downloads provider data. And I have added permission in AndroidManifest. xml,But it doesn't work, the log gave me a pid and an uid, I guess the problem is caused by these two ids.If it's true, what can I do to solve this problem.
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Mar 30, 2010
How to programmatically remove a permission?I don't think its possible but would be useful in the scenario where you want to control behaviour of some 3rd party library.
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Jun 13, 2009
How can i change the file permission that is present in the SDCARD. Normally when i insert a file to SDCARD, file has read and write permission, I want to change the permission that is read write and execute. Is it possible to change the permission?
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Feb 9, 2009
I have a service which uses the RECORD_AUDIO permission.
I have set up my androidmanifest.xml file as I would expect to enable that permissions (it is included below)
For some reason when I start the service - from the service controller - I get the following problem :
CODE:.............
Then the service dies!
Here is my android manifest file :
CODE:.............
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Mar 14, 2009
When i add Internet permissions to my manifest file my application refuses to even start and i get this in my console code...
fix this? code....
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Jan 22, 2009
I'm making some test about Android permission with a very simple application.
I'm launching this Intent
CODE:.......................
The problem is the phone dial the number but I didn't set any permission. I know something has changed in last release but.....
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