安卓 Java。lang.securityException:权限拒绝：启动意图
当我尝试启动MainActivity以外的其他活动时，我经常会遇到安全异常，当我启动MainActivity时，代码工作正常，但当我尝试启动MainActivity以外的任何其他活动时，会抛出异常，我一直在寻找答案，并得到了一个解决方案，将-安卓:exported=“true”-放在我的清单中，但这无助于解决我面临的问题，我们将非常感谢迄今为止的任何帮助
Manifest file for launching MainActivity - (Which works)
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:安卓="http://schemas.安卓.com/apk/res/安卓"
xmlns:tools="http://schemas.安卓.com/tools"
package="com.infamuspips.cess">
<uses-permission 安卓:name="安卓.permission.INTERNET"/>
<uses-permission 安卓:name="安卓.permission.ACCESS_NETWORK_STATE" />
<uses-permission 安卓:name="安卓.permission.CAMERA" />
<uses-feature 安卓:name="安卓.hardware.camera" />
<uses-feature 安卓:name="安卓.hardware.camera.autofocus" />
<uses-permission 安卓:name="安卓.permission.WRITE_EXTERNAL_STORAGE" />
<application
安卓:allowBackup="true"
安卓:icon="@mipmap/ic_launcher"
安卓:label="@string/app_name"
安卓:supportsRtl="true"
安卓:exported="true"
安卓:theme="@style/AppTheme">
<activity 安卓:name=".MainActivity">
<intent-filter>
<action 安卓:name="安卓.intent.action.MAIN" />
<category 安卓:name="安卓.intent.category.LAUNCHER"/>
<category 安卓:name="安卓.intent.category.DEFAULT"/>
</intent-filter>
</activity>
<activity
安卓:name=".registration"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_name"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_securityquestions"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_id"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_cellnumber"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_email"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_password"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".Maindrawer"
安卓:label="@string/title_activity_maindrawer"
安卓:theme="@style/AppTheme"></activity>
</application>
</manifest>
Manifest file for launching registration Activity - (Which don't work)
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:安卓="http://schemas.安卓.com/apk/res/安卓"
xmlns:tools="http://schemas.安卓.com/tools"
package="com.infamuspips.cess">
<uses-permission 安卓:name="安卓.permission.INTERNET"/>
<uses-permission 安卓:name="安卓.permission.ACCESS_NETWORK_STATE" />
<uses-permission 安卓:name="安卓.permission.CAMERA" />
<uses-feature 安卓:name="安卓.hardware.camera" />
<uses-feature 安卓:name="安卓.hardware.camera.autofocus" />
<uses-permission 安卓:name="安卓.permission.WRITE_EXTERNAL_STORAGE" />
<application
安卓:allowBackup="true"
安卓:icon="@mipmap/ic_launcher"
安卓:label="@string/app_name"
安卓:supportsRtl="true"
安卓:exported="true"
安卓:theme="@style/AppTheme">
<activity 安卓:name=".registration">
<intent-filter>
<action 安卓:name="安卓.intent.action.MAIN" />
<category 安卓:name="安卓.intent.category.LAUNCHER"/>
<category 安卓:name="安卓.intent.category.DEFAULT"/>
</intent-filter>
</activity>
<activity
安卓:name=".MainActivity"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_name"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_securityquestions"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_id"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_cellnumber"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_email"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".reg_password"
安卓:label="@string/app_name"></activity>
<activity
安卓:name=".Maindrawer"
安卓:label="@string/title_activity_maindrawer"
安卓:theme="@style/AppTheme"></activity>
</application>
</manifest>
Here's my MainActivity Class
package com.infamuspips.cess;
import 安卓.app.ProgressDialog;
import 安卓.content.ContentValues;
import 安卓.content.Intent;
import 安卓.net.Uri;
import 安卓.os.AsyncTask;
import 安卓.support.v7.app.AppCompatActivity;
import 安卓.os.Bundle;
import 安卓.test.suitebuilder.annotation.Suppress;
import 安卓.text.Editable;
import 安卓.text.TextWatcher;
import 安卓.util.Base64;
import 安卓.util.Log;
import 安卓.view.View;
import 安卓.widget.Button;
import 安卓.widget.EditText;
import 安卓.widget.TextView;
import 安卓.widget.Toast;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.BufferedOutputStream;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.DataOutputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.security.InvalidAlgorithmParameterException;
import java.security.InvalidKeyException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.InvalidParameterSpecException;
import java.util.ArrayList;
import java.util.List;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.KeyGenerator;
import javax.crypto.NoSuchPaddingException;
import javax.crypto.SecretKey;
import javax.crypto.SecretKeyFactory;
import javax.crypto.spec.DESKeySpec;
import javax.crypto.spec.SecretKeySpec;
import javax.net.ssl.HttpsURLConnection;
public class MainActivity extends AppCompatActivity {
private static final String TAG = "Encryption";
EditText editText,username,password;
Button button;
TextView cancel,forgot_password;
static String Username = null;
static String PassWord = null;
static String GetUsername = null;
static String GetPassword = null;
SecretKey secretKey;
String cipherText, decryptedText;
KeyGenerator keyGen;
Cipher aesCipher;
FileOutputStream fos;
byte[] byteDataToEncrypt, byteCipherText, byteDecryptedText;
TextWatcher textwatcher = new TextWatcher() {
@Override
public void beforeTextChanged(CharSequence s, int start, int count, int after) {
}
@Override
public void onTextChanged(CharSequence s, int start, int before, int count) {
String User = username.getText().toString();
String Pass = password.getText().toString();
if (!User.isEmpty() && !Pass.isEmpty()) {
button.setEnabled(true);
} else {
button.setEnabled(false);
}
}
@Override
public void afterTextChanged(Editable s) {
}
};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
username = (EditText) findViewById(R.id.username);
password = (EditText) findViewById(R.id.password);
editText = (EditText) findViewById(R.id.editText);
username.addTextChangedListener(textwatcher);
password.addTextChangedListener(textwatcher);
button = (Button) findViewById(R.id.logIn);
cancel = (TextView) findViewById(R.id.LoginCancel);
forgot_password = (TextView) findViewById(R.id.forgot_password);
//Set Clickable attributes
cancel.setClickable(true);
button.setEnabled(false);
editText.setEnabled(false);
//Call Operation Methods
username.requestFocus();
//Cancel();
//Forgot_Password();
Log_In();
}
private void Cancel(){
cancel.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent i = new Intent(getApplicationContext(),registration.class);
startActivity(i);
}
});
}
private void Forgot_Password(){
forgot_password.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
}
});
}
class PerformBackGround extends AsyncTask<Void, Void, String>{
private ProgressDialog mDialog;
public PerformBackGround() {
super();
}
@Override
protected void onPreExecute() {
super.onPreExecute();
mDialog = new ProgressDialog(MainActivity.this);
mDialog.setMessage("Please wait");
mDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
mDialog.setProgress(0);
mDialog.setMax(10);
mDialog.setCancelable(false);
mDialog.show();
}
@Override
protected String doInBackground(Void... params) {
try{
String link = "http://*************************";
URL url = new URL(link);
HttpURLConnection con = (HttpURLConnection) url.openConnection();
BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(con.getInputStream()));
String result = bufferedReader.readLine();
return result;
}catch (Exception e){
return "Exception" + e.getMessage();
}
}
@Override
protected void onPostExecute(String result) {
String jsonStr = result;
String response;
if (jsonStr != null){
try{
JSONObject jsonObj = new JSONObject(jsonStr);
String User = jsonObj.get("name").toString();
String Password = jsonObj.get("surname").toString();
mDialog.cancel();
if (User.equals(Username) && Password.equals(PassWord)){
//String name = jsonObj.get("name").toString();
//String Surname = jsonObj.get("surname").toString();
response = jsonObj.get("surname").toString();
getResponse(response);
Intent i = new Intent(getApplicationContext(),Maindrawer.class);
startActivity(i);
}else{
response = "invalid";
getResponse(response);
}
}catch (Exception e){
mDialog.cancel();
e.printStackTrace();
response = "unable";
getResponse(response);
}
}else{
mDialog.cancel();
response = "unconnect";
getResponse(response);
}
}
}
private void Log_In(){
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//PerformBackGround bg = new PerformBackGround();
username = (EditText) findViewById(R.id.username);
password = (EditText) findViewById(R.id.password);
String user = username.getText().toString();
String pass = password.getText().toString();
Username = user;
PassWord = pass;
//addmodules addm =new addmodules();
//addm.execute();
Toast.makeText(MainActivity.this, md5(username.getText().toString()), Toast.LENGTH_SHORT).show();
Intent i = new Intent(getApplicationContext(),Maindrawer.class);
startActivity(i);
username.getText().clear();
password.getText().clear();
}
});
}
public String md5(String text) {
try {
// Create MD5 Hash
MessageDigest digest = java.security.MessageDigest.getInstance("MD5");
digest.update(text.getBytes());
byte messageDigest[] = digest.digest();
// Create Hex String
StringBuffer hexString = new StringBuffer();
for (int i=0; i<messageDigest.length; i++)
hexString.append(Integer.toHexString(0xFF & messageDigest[i]));
return hexString.toString();
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
return "";
}
}
}
Here's my registration Activity - (Which doesn't launch & throws an exception
)
package com.infamuspips.cess;
import 安卓.content.Intent;
import 安卓.os.Bundle;
import 安卓.support.annotation.Nullable;
import 安卓.support.v7.app.AppCompatActivity;
import 安卓.text.Editable;
import 安卓.text.TextWatcher;
import 安卓.view.View;
import 安卓.widget.Button;
import 安卓.widget.EditText;
/**
* Created by Rebone on 4/24/2016.
*/
public class registration extends AppCompatActivity {
EditText up, firstname, MidName, lastName,Email,id,password, confirmpassword;
Button logIn, Register;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.registration);
up = (EditText) findViewById(R.id.editText1);
logIn = (Button) findViewById(R.id.reg_login);
Register = (Button) findViewById(R.id.reg_register);
up.setEnabled(false);
Register.setEnabled(true);
LogIn();
Register();
}
public void LogIn() {
logIn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent i = new Intent(getApplicationContext(), MainActivity.class);
startActivity(i);
}
});
}
public void Register() {
Register.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
String initial = "Nothing";
//Modified
Intent a = new Intent(v.getContext(),reg_name.class);
//Intent a = new Intent(v.getContext(),reg_password.class);
a.putExtra("Results", initial);
startActivity(a);
}
});
}
}
-
And here's the full stack trace
08-09 13:59:52.444 220-10439/? W/ActivityManager: mDVFSLock.acquire()
08-09 13:59:52.444 220-10439/? W/ActivityManager: Permission denied: checkComponentPermission() owningUid=10118
08-09 13:59:52.444 220-10439/? W/ActivityManager: Permission Denial: starting Intent { act=安卓.intent.action.MAIN cat=[安卓.intent.category.LAUNCHER] flg=0x10000000 cmp=com.infamuspips.cess/.registration } from null (pid=13769, uid=2000) not exported from uid 10118
08-09 13:59:52.460 220-10439/? W/System.err: at com.安卓.server.am.ActivityStack.startActivityLocked(ActivityStack.java:2498)
08-09 13:59:52.460 220-10439/? W/System.err: at com.安卓.server.am.ActivityStack.startActivityMayWait(ActivityStack.java:3095)
08-09 13:59:52.460 220-10439/? W/System.err: at com.安卓.server.am.ActivityManagerService.startActivity(ActivityManagerService.java:2298)
08-09 13:59:52.460 220-10439/? W/System.err: at 安卓.app.ActivityManagerNative.onTransact(ActivityManagerNative.java:147)
08-09 13:59:52.460 220-10439/? W/System.err: at com.安卓.server.am.ActivityManagerService.onTransact(ActivityManagerService.java:1603)
08-09 13:59:52.460 220-10439/? W/System.err: at 安卓.os.Binder.execTransact(Binder.java:338)
08-09 13:59:52.460 220-10439/? W/System.err: at dalvik.system.NativeStart.run(Native Method)
# 1 楼答案
替换
与
清理并重建项目