/**
* Copyright (C) 2007 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.settings;
import com.android.settings.R;
import android.app.Activity;
import android.app.ActivityManager;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.ApplicationInfo;
import android.content.pm.IPackageDataObserver;
import android.content.pm.IPackageStatsObserver;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageStats;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Config;
import android.util.Log;
import java.util.ArrayList;
import java.util.List;
import android.content.ComponentName;
import android.view.View;
import android.widget.AppSecurityPermissions;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
/**
* Activity to display application information from Settings
*
*/
public class InstalledAppDetails extends Activity implements View.OnClickListener, DialogInterface.OnClickListener {
private static final String TAG="InstalledAppDetails";
private static final int _UNKNOWN_APP=R.string.unknown;
//wait times used for the async package manager api
private ApplicationInfo mAppInfo;
private Button mUninstallButton;
private Button mActivitiesButton;
private boolean mSysPackage;
private boolean localLOGV=Config.LOGV || true;
private TextView mTotalSize;
private TextView mAppSize;
private TextView mDataSize;
PackageStats mSizeInfo;
private Button mManageSpaceButton;
private PackageManager mPm;
private String mBStr, mKbStr, mMbStr;
//internal constants used in Handler
private static final int CLEAR_USER_DATA = 1;
private static final int OP_SUCCESSFUL = 1;
private static final int OP_FAILED = 2;
private static final int GET_PKG_SIZE = 2;
private static final String ATTR_PACKAGE_STATS="PackageStats";
private Handler mHandler = new Handler() {
public void handleMessage(Message msg) {
switch (msg.what) {
case CLEAR_USER_DATA:
processClearMsg(msg);
break;
case GET_PKG_SIZE:
refreshSizeInfo(msg);
break;
default:
break;
}
}
};
private boolean isSystemPackage() {
if ((mAppInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
return true;
}
return false;
}
class ClearUserDataObserver extends IPackageDataObserver.Stub {
public void onRemoveCompleted(final String packageName, final boolean succeeded) {
final Message msg = mHandler.obtainMessage(CLEAR_USER_DATA);
msg.arg1 = succeeded?OP_SUCCESSFUL:OP_FAILED;
mHandler.sendMessage(msg);
}
}
class PkgSizeObserver extends IPackageStatsObserver.Stub {
public int idx;
public void onGetStatsCompleted(PackageStats pStats, boolean succeeded) {
Message msg = mHandler.obtainMessage(GET_PKG_SIZE);
Bundle data = new Bundle();
data.putParcelable(ATTR_PACKAGE_STATS, pStats);
msg.setData(data);
mHandler.sendMessage(msg);
}
}
private String getSizeStr(long size) {
String retStr = "";
if(size < 1024) {
return String.valueOf(size)+mBStr;
}
long kb, mb, rem;
kb = size >> 10;
rem = size - (kb << 10);
if(kb < 1024) {
if(rem > 512) {
kb++;
}
retStr += String.valueOf(kb)+mKbStr;
return retStr;
}
mb = kb >> 10;
if(kb >= 512) {
//round off
mb++;
}
retStr += String.valueOf(mb)+ mMbStr;
return retStr;
}
/** Called when the activity is first created. */
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
//get package manager
mPm = getPackageManager();
//get application's name from intent
Intent intent = getIntent();
final String packageName = intent.getStringExtra(ManageApplications.APP_PKG_NAME);
mSizeInfo = intent.getParcelableExtra(ManageApplications.APP_PKG_SIZE);
long total = -1;
long code = -1;
long data = -1;
if(mSizeInfo != null) {
total = mSizeInfo.cacheSize+mSizeInfo.codeSize+mSizeInfo.dataSize;
code = mSizeInfo.codeSize;
data = mSizeInfo.dataSize+mSizeInfo.cacheSize;
}
String unknownStr = getString(_UNKNOWN_APP);
mBStr = getString(R.string.b_text);
mKbStr = getString(R.string.kb_text);
mMbStr = getString(R.string.mb_text);
String totalSizeStr = unknownStr;
if(total != -1) {
totalSizeStr = getSizeStr(total);
}
String appSizeStr = unknownStr;
if(code != -1) {
appSizeStr = getSizeStr(code);
}
String dataSizeStr = unknownStr;
if(data != -1) {
dataSizeStr = getSizeStr(data);
}
if(localLOGV) Log.i(TAG, "packageName:"+packageName+", total="+total+
"code="+code+", data="+data);
try {
mAppInfo = mPm.getApplicationInfo(packageName, 0);
} catch (NameNotFoundException e) {
Throwable th = e.fillInStackTrace();
Log.e(TAG, "Exception when retrieving package:"+packageName, e);
displayErrorDialog(R.string.app_not_found_dlg_text, true, true);
}
setContentView(R.layout.installed_app_details);
((ImageView)findViewById(R.id.app_icon)).setImageDrawable(mPm.
getApplicationIcon(mAppInfo));
//set application name TODO version
CharSequence appName = mPm.getApplicationLabel(mAppInfo);
if(appName == null) {
appName = getString(_UNKNOWN_APP);
}
((TextView)findViewById(R.id.app_name)).setText(appName);
CharSequence appDesc = mAppInfo.loadDescription(mPm);
if(appDesc != null) {
((TextView)findViewById(R.id.app_description)).setText(appDesc);
}
//TODO download str and download url
//set values on views
mTotalSize = (TextView)findViewById(R.id.total_size_text);
mTotalSize.setText(totalSizeStr);
mAppSize = (TextView)findViewById(R.id.application_size_text);
mAppSize.setText(appSizeStr);
mDataSize = (TextView)findViewById(R.id.data_size_text);
mDataSize.setText(dataSizeStr);
mUninstallButton = ((Button)findViewById(R.id.uninstall_button));
//determine if app is a system app
mSysPackage = isSystemPackage();
if(localLOGV) Log.i(TAG, "Is systemPackage "+mSysPackage);
int btnText;
boolean btnClickable = true;
if(mSysPackage) {
//app can clear user data
if((mAppInfo.flags & ApplicationInfo.FLAG_ALLOW_CLEAR_USER_DATA)
== ApplicationInfo.FLAG_ALLOW_CLEAR_USER_DATA) {
mUninstallButton.setText(R.string.clear_user_data_text);
//disable button if data is 0
if(data == 0) {
mUninstallButton.setEnabled(false);
} else {
//enable button
mUninstallButton.setOnClickListener(this);
}
} else {
//hide button if diableClearUserData is set
mUninstallButton.setVisibility(View.GONE);
}
} else {
mUninstallButton.setText(R.string.uninstall_text);
mUninstallButton.setOnClickListener(this);
}
//clear activities
mActivitiesButton = (Button)findViewById(R.id.clear_activities_button);
List<ComponentName> prefActList = new ArrayList<ComponentName>();
//intent list cannot be null. so pass empty list
List<IntentFilter> intentList = new ArrayList<IntentFilter>();
mPm.getPreferredActivities(intentList, prefActList, packageName);
if(localLOGV) Log.i(TAG, "Have "+prefActList.size()+" number of activities in prefered list");
TextView autoLaunchView = (TextView)findViewById(R.id.auto_launch);
if(prefActList.size() <= 0) {
//disable clear activities button
autoLaunchView.setText(R.string.auto_launch_disable_text);
mActivitiesButton.setEnabled(false);
} else {
autoLaunchView.setText(R.string.auto_launch_enable_text);
mActivitiesButton.setOnClickListener(this);
}
mManageSpaceButton = (Button)findViewById(R.id.manage_space_button);
if(mAppInfo.manageSpaceActivityName != null) {
mManageSpaceButton.setVisibility(View.VISIBLE);
mManageSpaceButton.setOnClickListener(this);
}
//security permissions section
AppSecurityPermissions asp = new AppSecurityPermissions(this);
PackageInfo pkgInfo;
try {
pkgInfo = mPm.getPackageInfo(packageName, PackageManager.GET_PERMISSIONS);
} catch (NameNotFoundException e) {
Log.w(TAG, "Couldnt retrieve permissions for package:"+packageName);
return;
}
asp.setSecurityPermissionsView(pkgInfo);
LinearLayout securityList = (LinearLayout) findViewById(R.id.security_settings_list);
securityList.addView(asp.getPermissionsView());
}
private void displayErrorDialog(int msgId, final boolean finish, final boolean changed) {
//display confirmation dialog
new AlertDialog.Builder(this)
.setTitle(getString(R.string.app_not_found_dlg_title))
.setIcon(R.drawable.ic_dialog_alert)
.setMessage(getString(msgId))
.setNeutralButton(getString(R.string.dlg_ok),
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
//force to recompute changed value
setIntentAndFinish(finish, changed);
}
}
)
.show();
}
private void setIntentAndFinish(boolean finish, boolean appChanged) {
if(localLOGV) Log.i(TAG, "appChanged="+appChanged);
Intent intent = new Intent();
intent.putExtra(ManageApplications.APP_CHG, appChanged);
setResult(ManageApplications.RESULT_OK, intent);
mUninstallButton.setEnabled(false);
if(finish) {
finish();
}
}
/*
* Private method to handle get size info notification from observer when
* the async operation from PackageManager is complete. The current user data
* info has to be refreshed in the manage applications screen as well as the current screen.
*/
private void refreshSizeInfo(Message msg) {
boolean changed = false;
Intent intent = new Intent();
PackageStats newPs = msg.getData().getParcelable(ATTR_PACKAGE_STATS);
long newTot = newPs.cacheSize+newPs.codeSize+newPs.dataSize;
long oldTot = mSizeInfo.cacheSize+mSizeInfo.codeSize+mSizeInfo.dataSize;
if(newTot != oldTot) {
mTotalSize.setText(getSizeStr(newTot));
changed = true;
}
if(newPs.codeSize != mSizeInfo.codeSize) {
mAppSize.setText(getSizeStr(newPs.codeSize));
changed = true;
}
if((newPs.dataSize != mSizeInfo.dataSize) || (newPs.cacheSize != mSizeInfo.cacheSize)) {
mDataSize.setText(getSizeStr(newPs.dataSize+newPs.cacheSize));
changed = true;
}
if(changed) {
mUninstallButton.setText(R.string.clear_user_data_text);
mSizeInfo = newPs;
intent.putExtra(ManageApplications.APP_PKG_SIZE, mSizeInfo);
}
intent.putExtra(ManageApplications.APP_CHG, changed);
setResult(ManageApplications.RESULT_OK, intent);
}
/*
* Private method to handle clear message notification from observer when
* the async operation from PackageManager is complete
*/
private void processClearMsg(Message msg) {
int result = msg.arg1;
String packageName = mAppInfo.packageName;
if(result == OP_SUCCESSFUL) {
Log.i(TAG, "Cleared user data for system package:"+packageName);
PkgSizeObserver observer = new PkgSizeObserver();
mPm.getPackageSizeInfo(packageName, observer);
} else {
mUninstallButton.setText(R.string.clear_user_data_text);
mUninstallButton.setEnabled(true);
}
}
/*
* Private method to initiate clearing user data when the user clicks the clear data
* button for a system package
*/
private void initiateClearUserDataForSysPkg() {
mUninstallButton.setEnabled(false);
//invoke uninstall or clear user data based on sysPackage
boolean recomputeSizes = false;
String packageName = mAppInfo.packageName;
Log.i(TAG, "Clearing user data for system package");
ClearUserDataObserver observer = new ClearUserDataObserver();
ActivityManager am = (ActivityManager) getSystemService(Context.ACTIVITY_SERVICE);
boolean res = am.clearApplicationUserData(packageName, observer);
if(!res) {
//doesnt initiate clear. some error. should not happen but just log error for now
Log.i(TAG, "Couldnt clear application user data for package:"+packageName);
displayErrorDialog(R.string.clear_data_failed, false, false);
} else {
mUninstallButton.setText(R.string.recompute_size);
}
}
/*
* Method implementing functionality of buttons clicked
* @see android.view.View.OnClickListener#onClick(android.view.View)
*/
public void onClick(View v) {
String packageName = mAppInfo.packageName;
if(v == mUninstallButton) {
if(mSysPackage) {
//display confirmation dialog
new AlertDialog.Builder(this)
.setTitle(getString(R.string.clear_data_dlg_title))
.setIcon(R.drawable.ic_dialog_alert)
.setMessage(getString(R.string.clear_data_dlg_text))
.setPositiveButton(R.string.dlg_ok, this)
.setNegativeButton(R.string.dlg_cancel, this)
.show();
} else {
//create new intent to launch Uninstaller activity
Uri packageURI = Uri.parse("package:"+packageName);
Intent uninstallIntent = new Intent(Intent.ACTION_DELETE, packageURI);
startActivity(uninstallIntent);
setIntentAndFinish(true, false);
}
} else if(v == mActivitiesButton) {
mPm.clearPackagePreferredActivities(packageName);
mActivitiesButton.setEnabled(false);
} else if(v == mManageSpaceButton) {
Intent intent = new Intent(Intent.ACTION_DEFAULT);
intent.setClassName(mAppInfo.packageName, mAppInfo.manageSpaceActivityName);
startActivityForResult(intent, -1);
}
}
public void onClick(DialogInterface dialog, int which) {
if(which == AlertDialog.BUTTON1) {
//invoke uninstall or clear user data based on sysPackage
initiateClearUserDataForSysPkg();
} else {
//cancel do nothing just retain existing screen
}
}
}
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