apps/Development/src/com/android/development/PermissionDetails.java - platform/development - Git at Google

 /*
 **
 ** Copyright 2006, The Android Open Source Project
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
 ** you may not use this file except in compliance with the License.
 ** You may obtain a copy of the License at
 **
 **     http://www.apache.org/licenses/LICENSE-2.0
 **
 ** Unless required by applicable law or agreed to in writing, software
 ** distributed under the License is distributed on an "AS IS" BASIS,
 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 ** See the License for the specific language governing permissions and
 ** limitations under the License.
 */

 package com.android.development;

 import com.android.development.R;

 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;

 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.DialogInterface.OnCancelListener;
 import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PermissionInfo;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.AdapterView;
 import android.widget.BaseAdapter;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.AdapterView.OnItemClickListener;

 /**
  * This activity displays permission details including
  * the list of apps using a permission.
  */
 public class PermissionDetails extends Activity implements OnCancelListener, OnItemClickListener {
     private static final String TAG = "PermissionDetails";
     PackageManager mPm;
     // layout inflater object used to inflate views
     private LayoutInflater mInflater;
     private AppListAdapter mAdapter;

     // Dialog related
     private static final int DLG_BASE = 0;
     private static final int DLG_ERROR = DLG_BASE + 1;
     private static final String PROTECTION_NORMAL="Normal";
     private static final String PROTECTION_DANGEROUS="Dangerous";
     private static final String PROTECTION_SIGNATURE="Signature";
     private static final String PROTECTION_SIGNATURE_OR_SYSTEM="SignatureOrSystem";

     private static final String KEY_APPS_USING_PERM="AppsUsingPerm";

     private static final int HANDLER_MSG_BASE = 0;
     private static final int HANDLER_MSG_GET_APPS = HANDLER_MSG_BASE + 1;
     private Handler mHandler = new Handler() {
         public void handleMessage(Message msg) {
             switch (msg.what) {
             case HANDLER_MSG_GET_APPS:
                 ArrayList<PackageInfo> appList = msg.getData().getParcelableArrayList(KEY_APPS_USING_PERM);
                 createAppList(appList);
                 break;
             }
         }
     };

     // View Holder used when displaying views
     static class AppViewHolder {
         TextView pkgName;
     }

     class AppListAdapter extends BaseAdapter {
         private List<PackageInfo> mList;

         AppListAdapter(List<PackageInfo> list) {
             mList = list;
         }

         public int getCount() {
             return mList.size();
         }

         public Object getItem(int position) {
             return mList.get(position);
         }

         public long getItemId(int position) {
             return position;
         }

         public PackageInfo getPkg(int position) {
             return mList.get(position);
         }

         public View getView(int position, View convertView, ViewGroup parent) {
             // A ViewHolder keeps references to children views to avoid unneccessary calls
             // to findViewById() on each row.
             AppViewHolder holder;

             // When convertView is not null, we can reuse it directly, there is no need
             // to reinflate it. We only inflate a new View when the convertView supplied
             // by ListView is null.
             if (convertView == null) {
                 convertView = mInflater.inflate(R.layout.pkg_list_item, null);

                 // Creates a ViewHolder and store references to the two children views
                 // we want to bind data to.
                 holder = new AppViewHolder();
                 holder.pkgName = (TextView) convertView.findViewById(R.id.pkg_name);
                 convertView.setTag(holder);
             } else {
                 // Get the ViewHolder back to get fast access to the TextView
                 // and the ImageView.
                 holder = (AppViewHolder) convertView.getTag();
             }
             // Bind the data efficiently with the holder
             PackageInfo pInfo = mList.get(position);
             holder.pkgName.setText(pInfo.packageName);
             return convertView;
         }
     }

     private void createAppList(List<PackageInfo> list) {
         Log.i(TAG, "list.size=" + list.size());
         for (PackageInfo pkg : list) {
             Log.i(TAG, "Adding pkg : " +  pkg.packageName);
         }
         ListView listView = (ListView)findViewById(android.R.id.list);
         mAdapter = new AppListAdapter(list);
         ListView lv= (ListView) findViewById(android.R.id.list);
         lv.setOnItemClickListener(this);
         lv.setSaveEnabled(true);
         lv.setItemsCanFocus(true);
         listView.setAdapter(mAdapter);
     }

     private  void getAppsUsingPerm(PermissionInfo pInfo) {
         List<PackageInfo> list = mPm.getInstalledPackages(PackageManager.GET_PERMISSIONS);
         HashSet<PackageInfo> set = new HashSet<PackageInfo>();
         for (PackageInfo pkg : list) {
             if (pkg.requestedPermissions == null) {
                 continue;
             }
             for (String perm : pkg.requestedPermissions) {
                 if (perm.equalsIgnoreCase(pInfo.name)) {
                     Log.i(TAG, "Pkg:" + pkg.packageName+" uses permission");
                     set.add(pkg);
                     break;
                 }
             }
         }
         ArrayList<PackageInfo> retList = new ArrayList<PackageInfo>();
         for (PackageInfo pkg : set) {
             retList.add(pkg);
         }
         Message msg = mHandler.obtainMessage(HANDLER_MSG_GET_APPS);
         Bundle data = msg.getData();
         data.putParcelableArrayList(KEY_APPS_USING_PERM, retList);
         mHandler.dispatchMessage(msg);
     }

     @Override
     protected void onCreate(Bundle icicle) {
         super.onCreate(icicle);
         setContentView(R.layout.permission_details);
         Intent intent = getIntent();
         String permName = intent.getStringExtra("permission");
         if(permName == null) {
             showDialogInner(DLG_ERROR);
         }
         mPm = getPackageManager();
         mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
         PermissionInfo pInfo = null;
         try {
             pInfo = mPm.getPermissionInfo(permName,
                 PackageManager.GET_PERMISSIONS);
         } catch (NameNotFoundException e) {
             showDialogInner(DLG_ERROR);
         }
         setTextView(R.id.perm_name, pInfo.name);
         setTextView(R.id.perm_desc, pInfo.descriptionRes);
         setTextView(R.id.perm_group, pInfo.group);
         setProtectionLevel(R.id.perm_protection, pInfo.protectionLevel);
         setTextView(R.id.perm_source, pInfo.packageName);
         ApplicationInfo appInfo = null;
         try {
             appInfo =  mPm.getApplicationInfo(pInfo.packageName, 0);
             String uidStr = mPm.getNameForUid(appInfo.uid);
             setTextView(R.id.source_uid, uidStr);
         } catch (NameNotFoundException e) {
         }
         boolean sharedVisibility = false;
         // List of apps acquiring access via shared user id
         LinearLayout sharedPanel = (LinearLayout) findViewById(R.id.shared_pkgs_panel);
         if (appInfo != null) {
             String[] sharedList = mPm.getPackagesForUid(appInfo.uid);
             if ((sharedList != null) && (sharedList.length > 1)) {
                 sharedVisibility = true;
                 TextView label = (TextView) sharedPanel.findViewById(R.id.shared_pkgs_label);
                 TextView sharedView = (TextView) sharedPanel.findViewById(R.id.shared_pkgs);
                 label.setVisibility(View.VISIBLE);
                 StringBuilder buff = new StringBuilder();
                 buff.append(sharedList[0]);
                 for (int i = 1; i < sharedList.length; i++) {
                     buff.append(", ");
                     buff.append(sharedList[i]);
                 }
                 sharedView.setText(buff.toString());
             }
         }
         if (sharedVisibility) {
             sharedPanel.setVisibility(View.VISIBLE);
         } else {
             sharedPanel.setVisibility(View.GONE);
         }
         getAppsUsingPerm(pInfo);
     }

     private void setProtectionLevel(int viewId, int protectionLevel) {
         String levelStr = "";
         if (protectionLevel == PermissionInfo.PROTECTION_NORMAL) {
             levelStr = PROTECTION_NORMAL;
         } else if (protectionLevel == PermissionInfo.PROTECTION_DANGEROUS) {
             levelStr = PROTECTION_DANGEROUS;
         } else if (protectionLevel == PermissionInfo.PROTECTION_SIGNATURE) {
             levelStr = PROTECTION_SIGNATURE;
         } else if (protectionLevel == PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM) {
             levelStr = PROTECTION_SIGNATURE_OR_SYSTEM;
         } else {
             levelStr = "Invalid";
         }
         setTextView(viewId, levelStr);
     }

     private void setTextView(int viewId, int textId) {
         TextView view = (TextView)findViewById(viewId);
         view.setText(textId);
     }

     private void setTextView(int viewId, String text) {
         TextView view = (TextView)findViewById(viewId);
         view.setText(text);
     }

     @Override
     public Dialog onCreateDialog(int id) {
         if (id == DLG_ERROR) {
             return new AlertDialog.Builder(this)
             .setTitle(R.string.dialog_title_error)
             .setNeutralButton(R.string.ok, new DialogInterface.OnClickListener() {
                 public void onClick(DialogInterface dialog, int which) {
                     finish();
                 }})
             .setMessage(R.string.invalid_perm_name)
             .setOnCancelListener(this)
             .create();
         }
         return null;
     }

     private void showDialogInner(int id) {
         // TODO better fix for this? Remove dialog so that it gets created again
         removeDialog(id);
         showDialog(id);
     }

     @Override
     protected void onResume() {
         super.onResume();
     }

     @Override
     protected void onStop() {
         super.onStop();
     }

     public void onCancel(DialogInterface dialog) {
         finish();
     }

     public void onItemClick(AdapterView<?> parent, View view, int position,
             long id) {
         // TODO Launch app details activity
     }
 }
	/*
	**
	** Copyright 2006, The Android Open Source Project
	**
	** Licensed under the Apache License, Version 2.0 (the "License");
	** you may not use this file except in compliance with the License.
	** You may obtain a copy of the License at
	**
	** http://www.apache.org/licenses/LICENSE-2.0
	**
	** Unless required by applicable law or agreed to in writing, software
	** distributed under the License is distributed on an "AS IS" BASIS,
	** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	** See the License for the specific language governing permissions and
	** limitations under the License.
	*/

	package com.android.development;

	import com.android.development.R;

	import java.util.ArrayList;
	import java.util.HashSet;
	import java.util.List;

	import android.app.Activity;
	import android.app.AlertDialog;
	import android.app.Dialog;
	import android.content.Context;
	import android.content.DialogInterface;
	import android.content.Intent;
	import android.content.DialogInterface.OnCancelListener;
	import android.content.pm.ApplicationInfo;
	import android.content.pm.PackageInfo;
	import android.content.pm.PackageManager;
	import android.content.pm.PermissionInfo;
	import android.content.pm.PackageManager.NameNotFoundException;
	import android.os.Bundle;
	import android.os.Handler;
	import android.os.Message;
	import android.util.Log;
	import android.view.LayoutInflater;
	import android.view.View;
	import android.view.ViewGroup;
	import android.widget.AdapterView;
	import android.widget.BaseAdapter;
	import android.widget.ImageView;
	import android.widget.LinearLayout;
	import android.widget.ListView;
	import android.widget.TextView;
	import android.widget.AdapterView.OnItemClickListener;

	/**
	* This activity displays permission details including
	* the list of apps using a permission.
	*/
	public class PermissionDetails extends Activity implements OnCancelListener, OnItemClickListener {
	private static final String TAG = "PermissionDetails";
	PackageManager mPm;
	// layout inflater object used to inflate views
	private LayoutInflater mInflater;
	private AppListAdapter mAdapter;

	// Dialog related
	private static final int DLG_BASE = 0;
	private static final int DLG_ERROR = DLG_BASE + 1;
	private static final String PROTECTION_NORMAL="Normal";
	private static final String PROTECTION_DANGEROUS="Dangerous";
	private static final String PROTECTION_SIGNATURE="Signature";
	private static final String PROTECTION_SIGNATURE_OR_SYSTEM="SignatureOrSystem";

	private static final String KEY_APPS_USING_PERM="AppsUsingPerm";

	private static final int HANDLER_MSG_BASE = 0;
	private static final int HANDLER_MSG_GET_APPS = HANDLER_MSG_BASE + 1;
	private Handler mHandler = new Handler() {
	public void handleMessage(Message msg) {
	switch (msg.what) {
	case HANDLER_MSG_GET_APPS:
	ArrayList<PackageInfo> appList = msg.getData().getParcelableArrayList(KEY_APPS_USING_PERM);
	createAppList(appList);
	break;
	}
	}
	};

	// View Holder used when displaying views
	static class AppViewHolder {
	TextView pkgName;
	}

	class AppListAdapter extends BaseAdapter {
	private List<PackageInfo> mList;

	AppListAdapter(List<PackageInfo> list) {
	mList = list;
	}

	public int getCount() {
	return mList.size();
	}

	public Object getItem(int position) {
	return mList.get(position);
	}

	public long getItemId(int position) {
	return position;
	}

	public PackageInfo getPkg(int position) {
	return mList.get(position);
	}

	public View getView(int position, View convertView, ViewGroup parent) {
	// A ViewHolder keeps references to children views to avoid unneccessary calls
	// to findViewById() on each row.
	AppViewHolder holder;

	// When convertView is not null, we can reuse it directly, there is no need
	// to reinflate it. We only inflate a new View when the convertView supplied
	// by ListView is null.
	if (convertView == null) {
	convertView = mInflater.inflate(R.layout.pkg_list_item, null);

	// Creates a ViewHolder and store references to the two children views
	// we want to bind data to.
	holder = new AppViewHolder();
	holder.pkgName = (TextView) convertView.findViewById(R.id.pkg_name);
	convertView.setTag(holder);
	} else {
	// Get the ViewHolder back to get fast access to the TextView
	// and the ImageView.
	holder = (AppViewHolder) convertView.getTag();
	}
	// Bind the data efficiently with the holder
	PackageInfo pInfo = mList.get(position);
	holder.pkgName.setText(pInfo.packageName);
	return convertView;
	}
	}

	private void createAppList(List<PackageInfo> list) {
	Log.i(TAG, "list.size=" + list.size());
	for (PackageInfo pkg : list) {
	Log.i(TAG, "Adding pkg : " + pkg.packageName);
	}
	ListView listView = (ListView)findViewById(android.R.id.list);
	mAdapter = new AppListAdapter(list);
	ListView lv= (ListView) findViewById(android.R.id.list);
	lv.setOnItemClickListener(this);
	lv.setSaveEnabled(true);
	lv.setItemsCanFocus(true);
	listView.setAdapter(mAdapter);
	}

	private void getAppsUsingPerm(PermissionInfo pInfo) {
	List<PackageInfo> list = mPm.getInstalledPackages(PackageManager.GET_PERMISSIONS);
	HashSet<PackageInfo> set = new HashSet<PackageInfo>();
	for (PackageInfo pkg : list) {
	if (pkg.requestedPermissions == null) {
	continue;
	}
	for (String perm : pkg.requestedPermissions) {
	if (perm.equalsIgnoreCase(pInfo.name)) {
	Log.i(TAG, "Pkg:" + pkg.packageName+" uses permission");
	set.add(pkg);
	break;
	}
	}
	}
	ArrayList<PackageInfo> retList = new ArrayList<PackageInfo>();
	for (PackageInfo pkg : set) {
	retList.add(pkg);
	}
	Message msg = mHandler.obtainMessage(HANDLER_MSG_GET_APPS);
	Bundle data = msg.getData();
	data.putParcelableArrayList(KEY_APPS_USING_PERM, retList);
	mHandler.dispatchMessage(msg);
	}

	@Override
	protected void onCreate(Bundle icicle) {
	super.onCreate(icicle);
	setContentView(R.layout.permission_details);
	Intent intent = getIntent();
	String permName = intent.getStringExtra("permission");
	if(permName == null) {
	showDialogInner(DLG_ERROR);
	}
	mPm = getPackageManager();
	mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
	PermissionInfo pInfo = null;
	try {
	pInfo = mPm.getPermissionInfo(permName,
	PackageManager.GET_PERMISSIONS);
	} catch (NameNotFoundException e) {
	showDialogInner(DLG_ERROR);
	}
	setTextView(R.id.perm_name, pInfo.name);
	setTextView(R.id.perm_desc, pInfo.descriptionRes);
	setTextView(R.id.perm_group, pInfo.group);
	setProtectionLevel(R.id.perm_protection, pInfo.protectionLevel);
	setTextView(R.id.perm_source, pInfo.packageName);
	ApplicationInfo appInfo = null;
	try {
	appInfo = mPm.getApplicationInfo(pInfo.packageName, 0);
	String uidStr = mPm.getNameForUid(appInfo.uid);
	setTextView(R.id.source_uid, uidStr);
	} catch (NameNotFoundException e) {
	}
	boolean sharedVisibility = false;
	// List of apps acquiring access via shared user id
	LinearLayout sharedPanel = (LinearLayout) findViewById(R.id.shared_pkgs_panel);
	if (appInfo != null) {
	String[] sharedList = mPm.getPackagesForUid(appInfo.uid);
	if ((sharedList != null) && (sharedList.length > 1)) {
	sharedVisibility = true;
	TextView label = (TextView) sharedPanel.findViewById(R.id.shared_pkgs_label);
	TextView sharedView = (TextView) sharedPanel.findViewById(R.id.shared_pkgs);
	label.setVisibility(View.VISIBLE);
	StringBuilder buff = new StringBuilder();
	buff.append(sharedList[0]);
	for (int i = 1; i < sharedList.length; i++) {
	buff.append(", ");
	buff.append(sharedList[i]);
	}
	sharedView.setText(buff.toString());
	}
	}
	if (sharedVisibility) {
	sharedPanel.setVisibility(View.VISIBLE);
	} else {
	sharedPanel.setVisibility(View.GONE);
	}
	getAppsUsingPerm(pInfo);
	}

	private void setProtectionLevel(int viewId, int protectionLevel) {
	String levelStr = "";
	if (protectionLevel == PermissionInfo.PROTECTION_NORMAL) {
	levelStr = PROTECTION_NORMAL;
	} else if (protectionLevel == PermissionInfo.PROTECTION_DANGEROUS) {
	levelStr = PROTECTION_DANGEROUS;
	} else if (protectionLevel == PermissionInfo.PROTECTION_SIGNATURE) {
	levelStr = PROTECTION_SIGNATURE;
	} else if (protectionLevel == PermissionInfo.PROTECTION_SIGNATURE_OR_SYSTEM) {
	levelStr = PROTECTION_SIGNATURE_OR_SYSTEM;
	} else {
	levelStr = "Invalid";
	}
	setTextView(viewId, levelStr);
	}

	private void setTextView(int viewId, int textId) {
	TextView view = (TextView)findViewById(viewId);
	view.setText(textId);
	}

	private void setTextView(int viewId, String text) {
	TextView view = (TextView)findViewById(viewId);
	view.setText(text);
	}

	@Override
	public Dialog onCreateDialog(int id) {
	if (id == DLG_ERROR) {
	return new AlertDialog.Builder(this)
	.setTitle(R.string.dialog_title_error)
	.setNeutralButton(R.string.ok, new DialogInterface.OnClickListener() {
	public void onClick(DialogInterface dialog, int which) {
	finish();
	}})
	.setMessage(R.string.invalid_perm_name)
	.setOnCancelListener(this)
	.create();
	}
	return null;
	}

	private void showDialogInner(int id) {
	// TODO better fix for this? Remove dialog so that it gets created again
	removeDialog(id);
	showDialog(id);
	}

	@Override
	protected void onResume() {
	super.onResume();
	}

	@Override
	protected void onStop() {
	super.onStop();
	}

	public void onCancel(DialogInterface dialog) {
	finish();
	}

	public void onItemClick(AdapterView<?> parent, View view, int position,
	long id) {
	// TODO Launch app details activity
	}
	}