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package de.blinkt.openvpn.fragments;
import java.io.File;
import android.app.AlertDialog;
import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.Build;
import android.os.Bundle;
import android.preference.CheckBoxPreference;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceCategory;
import android.preference.PreferenceFragment;
import de.blinkt.openvpn.R;
import de.blinkt.openvpn.api.ExternalAppDatabase;
public class GeneralSettings extends PreferenceFragment implements OnPreferenceClickListener, OnClickListener {
private ExternalAppDatabase mExtapp;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// Load the preferences from an XML resource
addPreferencesFromResource(R.xml.general_settings);
PreferenceCategory devHacks = (PreferenceCategory) findPreference("device_hacks");
Preference loadtun = findPreference("loadTunModule");
if(!isTunModuleAvailable()) {
loadtun.setEnabled(false);
devHacks.removePreference(loadtun);
}
CheckBoxPreference cm9hack = (CheckBoxPreference) findPreference("useCM9Fix");
if (!cm9hack.isChecked() && (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR1)) {
devHacks.removePreference(cm9hack);
}
mExtapp = new ExternalAppDatabase(getActivity());
Preference clearapi = findPreference("clearapi");
clearapi.setOnPreferenceClickListener(this);
if(devHacks.getPreferenceCount()==0)
getPreferenceScreen().removePreference(devHacks);
setClearApiSummary();
}
private void setClearApiSummary() {
Preference clearapi = findPreference("clearapi");
if(mExtapp.getExtAppList().isEmpty()) {
clearapi.setEnabled(false);
clearapi.setSummary(R.string.no_external_app_allowed);
} else {
clearapi.setEnabled(true);
clearapi.setSummary(getString(R.string.allowed_apps,getExtAppList(", ")));
}
}
private String getExtAppList(String delim) {
ApplicationInfo app;
PackageManager pm = getActivity().getPackageManager();
String applist=null;
for (String packagename : mExtapp.getExtAppList()) {
try {
app = pm.getApplicationInfo(packagename, 0);
if (applist==null)
applist = "";
else
applist += delim;
applist+=app.loadLabel(pm);
} catch (NameNotFoundException e) {
// App not found. Remove it from the list
mExtapp.removeApp(packagename);
}
}
return applist;
}
private boolean isTunModuleAvailable() {
// Check if the tun module exists on the file system
return new File("/system/lib/modules/tun.ko").length() > 10;
}
@Override
public boolean onPreferenceClick(Preference preference) {
if(preference.getKey().equals("clearapi")){
Builder builder = new AlertDialog.Builder(getActivity());
builder.setPositiveButton(R.string.clear, this);
builder.setNegativeButton(android.R.string.cancel, null);
builder.setMessage(getString(R.string.clearappsdialog,getExtAppList("\n")));
builder.show();
}
return true;
}
@Override
public void onClick(DialogInterface dialog, int which) {
if( which == Dialog.BUTTON_POSITIVE){
mExtapp.clearAllApiApps();
setClearApiSummary();
}
}
}
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