Define a new activity that lists permissions and apps using that permission with some additional details as well
First pass.
This commit is contained in:
Suchi Amalapurapu
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/*
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**
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** Copyright 2006, The Android Open Source Project
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**
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** Licensed under the Apache License, Version 2.0 (the "License");
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** you may not use this file except in compliance with the License.
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** You may obtain a copy of the License at
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**
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** http://www.apache.org/licenses/LICENSE-2.0
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**
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** Unless required by applicable law or agreed to in writing, software
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** distributed under the License is distributed on an "AS IS" BASIS,
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** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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** See the License for the specific language governing permissions and
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** limitations under the License.
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*/
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package com.android.development;
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import com.android.development.R;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.List;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.DialogInterface.OnCancelListener;
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import android.content.pm.ApplicationInfo;
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import android.content.pm.PackageInfo;
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import android.content.pm.PackageManager;
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import android.content.pm.PermissionInfo;
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import android.content.pm.PackageManager.NameNotFoundException;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.Message;
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import android.util.Log;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.AdapterView;
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import android.widget.BaseAdapter;
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import android.widget.ImageView;
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import android.widget.LinearLayout;
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import android.widget.ListView;
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import android.widget.TextView;
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import android.widget.AdapterView.OnItemClickListener;
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/**
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* This activity displays permission details including
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* the list of apps using a permission.
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*/
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public class PermissionDetails extends Activity implements OnCancelListener, OnItemClickListener {
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private static final String TAG = "PermissionDetails";
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PackageManager mPm;
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// layout inflater object used to inflate views
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private LayoutInflater mInflater;
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private AppListAdapter mAdapter;
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// Dialog related
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private static final int DLG_BASE = 0;
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private static final int DLG_ERROR = DLG_BASE + 1;
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private static final String PROTECTION_NORMAL="Normal";
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private static final String PROTECTION_DANGEROUS="Dangerous";
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private static final String PROTECTION_SIGNATURE="Signature";
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private static final String PROTECTION_SIGNATURE_OR_SYSTEM="SignatureOrSystem";
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private static final String KEY_APPS_USING_PERM="AppsUsingPerm";
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private static final int HANDLER_MSG_BASE = 0;
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private static final int HANDLER_MSG_GET_APPS = HANDLER_MSG_BASE + 1;
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private Handler mHandler = new Handler() {
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public void handleMessage(Message msg) {
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switch (msg.what) {
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case HANDLER_MSG_GET_APPS:
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ArrayList<PackageInfo> appList = msg.getData().getParcelableArrayList(KEY_APPS_USING_PERM);
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createAppList(appList);
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break;
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}
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}
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};
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// View Holder used when displaying views
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static class AppViewHolder {
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TextView pkgName;
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}
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class AppListAdapter extends BaseAdapter {
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private List<PackageInfo> mList;
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AppListAdapter(List<PackageInfo> list) {
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mList = list;
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}
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public int getCount() {
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return mList.size();
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}
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public Object getItem(int position) {
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return mList.get(position);
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}
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public long getItemId(int position) {
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return position;
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}
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public PackageInfo getPkg(int position) {
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return mList.get(position);
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}
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public View getView(int position, View convertView, ViewGroup parent) {
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// A ViewHolder keeps references to children views to avoid unneccessary calls
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// to findViewById() on each row.
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AppViewHolder holder;
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// When convertView is not null, we can reuse it directly, there is no need
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// to reinflate it. We only inflate a new View when the convertView supplied
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// by ListView is null.
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if (convertView == null) {
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convertView = mInflater.inflate(R.layout.pkg_list_item, null);
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// Creates a ViewHolder and store references to the two children views
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// we want to bind data to.
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holder = new AppViewHolder();
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holder.pkgName = (TextView) convertView.findViewById(R.id.pkg_name);
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convertView.setTag(holder);
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} else {
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// Get the ViewHolder back to get fast access to the TextView
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// and the ImageView.
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holder = (AppViewHolder) convertView.getTag();
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}
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// Bind the data efficiently with the holder
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PackageInfo pInfo = mList.get(position);
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holder.pkgName.setText(pInfo.packageName);
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return convertView;
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}
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}
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private void createAppList(List<PackageInfo> list) {
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Log.i(TAG, "list.size=" + list.size());
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for (PackageInfo pkg : list) {
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Log.i(TAG, "Adding pkg : " + pkg.packageName);
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}
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ListView listView = (ListView)findViewById(android.R.id.list);
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mAdapter = new AppListAdapter(list);
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ListView lv= (ListView) findViewById(android.R.id.list);
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lv.setOnItemClickListener(this);
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lv.setSaveEnabled(true);
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lv.setItemsCanFocus(true);
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listView.setAdapter(mAdapter);
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}
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private void getAppsUsingPerm(PermissionInfo pInfo) {
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List<PackageInfo> list = mPm.getInstalledPackages(PackageManager.GET_PERMISSIONS);
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HashSet<PackageInfo> set = new HashSet<PackageInfo>();
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for (PackageInfo pkg : list) {
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if (pkg.requestedPermissions == null) {
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continue;
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}
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for (String perm : pkg.requestedPermissions) {
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if (perm.equalsIgnoreCase(pInfo.name)) {
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Log.i(TAG, "Pkg:" + pkg.packageName+" uses permission");
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set.add(pkg);
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break;
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}
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}
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}
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ArrayList<PackageInfo> retList = new ArrayList<PackageInfo>();
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for (PackageInfo pkg : set) {
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retList.add(pkg);
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}
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Message msg = mHandler.obtainMessage(HANDLER_MSG_GET_APPS);
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Bundle data = msg.getData();
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data.putParcelableArrayList(KEY_APPS_USING_PERM, retList);
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mHandler.dispatchMessage(msg);
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}
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@Override
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protected void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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setContentView(R.layout.permission_details);
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Intent intent = getIntent();
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String permName = intent.getStringExtra("permission");
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if(permName == null) {
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showDialogInner(DLG_ERROR);
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}
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mPm = getPackageManager();
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mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
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PermissionInfo pInfo = null;
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try {
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pInfo = mPm.getPermissionInfo(permName,
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PackageManager.GET_PERMISSIONS);
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} catch (NameNotFoundException e) {
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showDialogInner(DLG_ERROR);
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}
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setTextView(R.id.perm_name, pInfo.name);
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setTextView(R.id.perm_desc, pInfo.descriptionRes);
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setTextView(R.id.perm_group, pInfo.group);
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setProtectionLevel(R.id.perm_protection, pInfo.protectionLevel);
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setTextView(R.id.perm_source, pInfo.packageName);
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ApplicationInfo appInfo = null;
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try {
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appInfo = mPm.getApplicationInfo(pInfo.packageName, 0);
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String uidStr = mPm.getNameForUid(appInfo.uid);
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setTextView(R.id.source_uid, uidStr);
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} catch (NameNotFoundException e) {
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}
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boolean sharedVisibility = false;
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// List of apps acquiring access via shared user id
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LinearLayout sharedPanel = (LinearLayout) findViewById(R.id.shared_pkgs_panel);
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if (appInfo != null) {
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String[] sharedList = mPm.getPackagesForUid(appInfo.uid);
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if ((sharedList != null) && (sharedList.length > 1)) {
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sharedVisibility = true;
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TextView label = (TextView) sharedPanel.findViewById(R.id.shared_pkgs_label);
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TextView sharedView = (TextView) sharedPanel.findViewById(R.id.shared_pkgs);
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label.setVisibility(View.VISIBLE);
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StringBuilder buff = new StringBuilder();
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buff.append(sharedList[0]);
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for (int i = 1; i < sharedList.length; i++) {
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buff.append(", ");
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buff.append(sharedList[i]);
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}
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sharedView.setText(buff.toString());
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}
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}
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if (sharedVisibility) {
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sharedPanel.setVisibility(View.VISIBLE);
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} else {
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sharedPanel.setVisibility(View.GONE);
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}
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getAppsUsingPerm(pInfo);
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}
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private void setProtectionLevel(int viewId, int protectionLevel) {
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String levelStr = "";
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if (protectionLevel == PermissionInfo.PROTECTION_NORMAL) {
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levelStr = PROTECTION_NORMAL;
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} else if (protectionLevel == PermissionInfo.PROTECTION_DANGEROUS) {
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levelStr = PROTECTION_DANGEROUS;
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} else if (protectionLevel == PermissionInfo.PROTECTION_SIGNATURE) {
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levelStr = PROTECTION_SIGNATURE;
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} else if (protectionLevel == PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM) {
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levelStr = PROTECTION_SIGNATURE_OR_SYSTEM;
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} else {
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levelStr = "Invalid";
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}
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setTextView(viewId, levelStr);
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}
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private void setTextView(int viewId, int textId) {
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TextView view = (TextView)findViewById(viewId);
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view.setText(textId);
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}
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private void setTextView(int viewId, String text) {
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TextView view = (TextView)findViewById(viewId);
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view.setText(text);
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}
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@Override
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public Dialog onCreateDialog(int id) {
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if (id == DLG_ERROR) {
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return new AlertDialog.Builder(this)
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.setTitle(R.string.dialog_title_error)
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.setNeutralButton(R.string.ok, new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int which) {
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finish();
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}})
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.setMessage(R.string.invalid_perm_name)
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.setOnCancelListener(this)
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.create();
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}
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return null;
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}
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private void showDialogInner(int id) {
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// TODO better fix for this? Remove dialog so that it gets created again
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removeDialog(id);
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showDialog(id);
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}
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@Override
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protected void onResume() {
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super.onResume();
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}
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@Override
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protected void onStop() {
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super.onStop();
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}
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public void onCancel(DialogInterface dialog) {
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finish();
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}
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public void onItemClick(AdapterView<?> parent, View view, int position,
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long id) {
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// TODO Launch app details activity
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}
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}
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