android permission read phone state

Install the app for the first time, get read and Write permissions,When reading a file, you will still encounter (Permission denied) error, the solution is to kill the app, re-open the app.Should belong to some version of the system bug, until the app all processes is killed, the operating system will update the settings inside the permission settings, solutionTh

Modify the File Permission of an android phone.Modify android mobile phone File Permissions By default, one application cannot read the data of another application because of insufficient permissions. But we must read it. What sh

/permdesc_cachefilesystem"Android: protectionlevel = "signature"/> Android: Label = "@ string/permlab_downloadcompletedintent"Android: Description = "@ string/permdesc_downloadcompletedintent"Android: protectionlevel = "signature"/> These permissions are Android: protectionl

Elevation of permission for devices read/dev by Android applications (2)In privilege escalation for devices in/dev for Android applications (1), two methods of privilege escalation are briefly summarized: Device_initAnd Init. RC. In this article, I will summarize in detail that it is easy to confuse people without bein

There are two ways to implement Android phone calls: The first way to dial a phone is to jump to the Dial-up interface. The source code is as follows: Intent Intent = new Intent (intent.action_dial); Uri data = Uri.parse ("Tel:" + "135xxxxxxxx"); Intent.setdata (data); StartActivity (Intent); The second method, call directly to dial, but some third-party

Recently, I am working on Android-ndk development. Because of the need to involve the dynamic library (SO) issue, I need to read and write mobile phone files. I found that the mobile phone file system did not allow writing and I searched for it. Solution: Enter $ mount on the terminal 1: It can be found that only

to access the folder. Although the permission is obtained successfully, it still cannot access the folder that requires the root permission, my classmates wrote the same method to obtain permissions, which is strange .. I put it on a mobile phone that has already been root for testing. I didn't prompt to get the root, So I reported an error directly ....Today I

1. Source If you do not have the root permission during Android development, it is sometimes painful. Because SQLite Editor, wall flip proxy, host file modifier and other tools all require root permissions to work. 2. Method The perfect flash brush software is quite convenient. This software can be used to fl the system and fl the root. The default Google Nexus system is quite good, and the flash is ve

1, we installed in the mobile phone 360 super Root app, as shown in the following figure we can download the installation through a variety of channels. 2, after downloading the first "install" to the phone. 3, then we open in the phone "360 super Root" and then click "Menu" 4, in the pop-up menu, select the "Settings" option 5,

Recently, you just need to obtain the permission of the installed APK package. As we all know, Android permission declarations are stored in androidmanifest. xml. The format in the uses-Permission field is as follows: If you want to obtain the content in this tag The following code is required: Packagemanager PM =

, conditional value string[] Array (contact_id) Uri object is Uri.parse ("Content://com.android.contacts/data") Loops are the same as above The name corresponds to the type is Vnd.android.cursor.item/name The corresponding type of telephone is VND.ANDROID.CURSOR.ITEM/PHONE_V2 Need permission, Android.permisssion.READ_CONTACTS Invokes the Setadapter () method of the ListView object, assigning data to the view, and the parameter is a adapter objec

There are two ways to replace launcher on Android: one is to input the launcher when the IMG is burned to the device, or try to replace the launcher. Test the second type. You want to modify and replace the following Android launcher, but the directory/system/app where the laucher is located is read-only. You need to set it to RW through remount first. Specific o

This article from http://blog.csdn.net/xjanker2, reference reprint must indicate the source! In the previous article, we used the call and text message function, but we do not know the contact information. This article describes how to get the contact information of the Local Machine from Android. Due to the rapid Android version upgrade, Some APIs have changed. This article describes how to use the Conten

Android 2.0 and later versions have made significant changes to contacts and other related APIs. Therefore, it is not recommended to port operations on Android 1.6 to Android 2.0. Here is a simple description of the operation method in SDK1.6.Do not forgetAndroidManifest. xmlAdd the permission to

The Android mobile phone traffic information system is recorded in the/proc/self/NET/dev file in the Linux kernel. Let's take a look at the dev file format. Microsoft Windows XP [version 5.1.2600] (C) Copyright 1985-2001 Microsoft Corp. D:/program files/Java/SDK/Android-SDK-Windows/tools> ADB Shell # Cd proc CD proc # Cd net CD net # Cat Dev Cat Dev Inter-| re

The android mobile phone traffic information system is recorded in the/proc/self/net/dev file in the Linux kernel.Let's take a look at the dev file format.Microsoft Windows XP [version 5.1.2600](C) Copyright 1985-2001 Microsoft Corp.D:/Program Files/Java/sdk/android-sdk-windows/tools> adb shell# Cd procCd proc# Cd netCd net# Cat devCat devInter-| Receive | Transm

the IMSI and authentication information to the operator's server, the server after the completion of the registration action, will be in the form of text messages will be issued to the mobile phone. The content will be different depending on the conditions.If the server in the issued text message, does not include the phone number, the phone is unable to obtain

1. First, register the SD card read and write permissions for manifest I didn't use MainActivity. class as the software entry here. Copy codeThe Code is as follows: AndroidManifest. xml Package = "com. tes. textsd" Android: versionCode = "1" Android: versionName = "1.0" type = "codeph" text = "/codeph"> Android: minSd

The following is the Android read the user number, mobile phone number, SIM card serial number of the implementation code is introduced, need friends can come to refer to the next 1, using the method provided by Telephonymanager, the core code: Copy Code code as follows: Telephonymanager TM = (Telephonymanager) this.getsystemservice (Telephony_service); String I

The main thing is to use content parser to deal with the problem:First, you should understand the Android phone contact database: Read the main use of 3 tables: Table Name Role Contacts Record Contact ID, (there are a few columns that indicate several contacts). Mimetypes Storage type alignment (in orde