/*
**
** Copyright 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.packageinstaller;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnCancelListener;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.PackageParser;
import android.net.Uri;
import android.os.Bundle;
import android.provider.Settings;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AppSecurityPermissions;
import android.widget.Button;
import android.widget.LinearLayout;
/*
* This activity is launched when a new application is installed via side loading
* The package is first parsed and the user is notified of parse errors via a dialog.
* If the package is successfully parsed, the user is notified to turn on the install unknown
* applications setting. A memory check is made at this point and the user is notified of out
* of memory conditions if any. If the package is already existing on the device,
* a confirmation dialog (to replace the existing package) is presented to the user.
* Based on the user response the package is then installed by launching InstallAppConfirm
* sub activity. All state transitions are handled in this activity
*/
public class PackageInstallerActivity extends Activity implements OnCancelListener, OnClickListener {
private static final String TAG = "PackageInstaller";
private Uri mPackageURI;
private boolean localLOGV = false;
PackageManager mPm;
PackageParser.Package mPkgInfo;
ApplicationInfo mSourceInfo;
// ApplicationInfo object primarily used for already existing applications
private ApplicationInfo mAppInfo = null;
// View for install progress
View mInstallConfirm;
// Buttons to indicate user acceptance
private Button mOk;
private Button mCancel;
static final String PREFS_ALLOWED_SOURCES = "allowed_sources";
// Dialog identifiers used in showDialog
private static final int DLG_BASE = 0;
private static final int DLG_REPLACE_APP = DLG_BASE + 1;
private static final int DLG_UNKNOWN_APPS = DLG_BASE + 2;
private static final int DLG_PACKAGE_ERROR = DLG_BASE + 3;
private static final int DLG_OUT_OF_SPACE = DLG_BASE + 4;
private static final int DLG_INSTALL_ERROR = DLG_BASE + 5;
private static final int DLG_ALLOW_SOURCE = DLG_BASE + 6;
private void startInstallConfirm() {
LinearLayout permsSection = (LinearLayout) mInstallConfirm.findViewById(R.id.permissions_section);
LinearLayout securityList = (LinearLayout) permsSection.findViewById(
R.id.security_settings_list);
boolean permVisible = false;
if(mPkgInfo != null) {
AppSecurityPermissions asp = new AppSecurityPermissions(this, mPkgInfo);
if(asp.getPermissionCount() > 0) {
permVisible = true;
securityList.addView(asp.getPermissionsView());
}
}
if(!permVisible){
permsSection.setVisibility(View.INVISIBLE);
}
mInstallConfirm.setVisibility(View.VISIBLE);
mOk = (Button)findViewById(R.id.ok_button);
mCancel = (Button)findViewById(R.id.cancel_button);
mOk.setOnClickListener(this);
mCancel.setOnClickListener(this);
}
private void showDialogInner(int id) {
// TODO better fix for this? Remove dialog so that it gets created again
removeDialog(id);
showDialog(id);
}
@Override
public Dialog onCreateDialog(int id, Bundle bundle) {
switch (id) {
case DLG_REPLACE_APP:
int msgId = R.string.dlg_app_replacement_statement;
// Customized text for system apps
if ((mAppInfo != null) && (mAppInfo.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
msgId = R.string.dlg_sys_app_replacement_statement;
}
return new AlertDialog.Builder(this)
.setTitle(R.string.dlg_app_replacement_title)
.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
startInstallConfirm();
}})
.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Log.i(TAG, "Canceling installation");
setResult(RESULT_CANCELED);
finish();
}})
.setMessage(msgId)
.setOnCancelListener(this)
.create();
case DLG_UNKNOWN_APPS:
return new AlertDialog.Builder(this)
.setTitle(R.string.unknown_apps_dlg_title)
.setMessage(R.string.unknown_apps_dlg_text)
.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Log.i(TAG, "Finishing off activity so that user can navigate to settings manually");
finish();
}})
.setPositiveButton(R.string.settings, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Log.i(TAG, "Launching settings");
launchSettingsAppAndFinish();
}
})
.setOnCancelListener(this)
.create();
case DLG_PACKAGE_ERROR :
return new AlertDialog.Builder(this)
.setTitle(R.string.Parse_error_dlg_title)
.setMessage(R.string.Parse_error_dlg_text)
.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
finish();
}
})
.setOnCancelListener(this)
.create();
case DLG_OUT_OF_SPACE:
// Guaranteed not to be null. will default to package name if not set by app
CharSequence appTitle = mPm.getApplicationLabel(mPkgInfo.applicationInfo);
String dlgText = getString(R.string.out_of_space_dlg_text,
appTitle.toString());
return new AlertDialog.Builder(this)
.setTitle(R.string.out_of_space_dlg_title)
.setMessage(dlgText)
.setPositiveButton(R.string.manage_applications, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
//launch manage applications
Intent intent = new Intent("android.intent.action.MANAGE_PACKAGE_STORAGE");
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
finish();
}
})
.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
Log.i(TAG, "Canceling installation");
finish();
}
})
.setOnCancelListener(this)
.create();
case DLG_INSTALL_ERROR :
// Guaranteed not to be null. will default to package name if not set by app
CharSequence appTitle1 = mPm.getApplicationLabel(mPkgInfo.applicationInfo);
String dlgText1 = getString(R.string.install_failed_msg,
appTitle1.toString());
return new AlertDialog.Builder(this)
.setTitle(R.string.install_failed)
.setNeutralButton(R.string.ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
finish();
}
})
.setMessage(dlgText1)
.setOnCancelListener(this)
.create();
case DLG_ALLOW_SOURCE:
CharSequence appTitle2 = mPm.getApplicationLabel(mSourceInfo);
String dlgText2 = getString(R.string.allow_source_dlg_text,
appTitle2.toString());
return new AlertDialog.Builder(this)
.setTitle(R.string.allow_source_dlg_title)
.setMessage(dlgText2)
.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
setResult(RESULT_CANCELED);
finish();
}})
.setPositiveButton(R.string.ok, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
SharedPreferences prefs = getSharedPreferences(PREFS_ALLOWED_SOURCES,
Context.MODE_PRIVATE);
prefs.edit().putBoolean(mSourceInfo.packageName, true).apply();
startInstallConfirm();
}
})
.setOnCancelListener(this)
.create();
}
return null;
}
private void launchSettingsAppAndFinish() {
// Create an intent to launch SettingsTwo activity
Intent launchSettingsIntent = new Intent(Settings.ACTION_SECURITY_SETTINGS);
launchSettingsIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(launchSettingsIntent);
finish();
}
private boolean isInstallingUnknownAppsAllowed() {
return Settings.Secure.getInt(getContentResolver(),
Settings.Secure.INSTALL_NON_MARKET_APPS, 0) > 0;
}
private void initiateInstall() {
String pkgName = mPkgInfo.packageName;
// Check if there is already a package on the device with this name
// but it has been renamed to something else.
String[] oldName = mPm.canonicalToCurrentPackageNames(new String[] { pkgName });
if (oldName != null && oldName.length > 0 && oldName[0] != null) {
pkgName = oldName[0];
mPkgInfo.setPackageName(pkgName);
}
// Check if package is already installed. display confirmation dialog if replacing pkg
try {
mAppInfo = mPm.getApplicationInfo(pkgName,
PackageManager.GET_UNINSTALLED_PACKAGES);
} catch (NameNotFoundException e) {
mAppInfo = null;
}
if (mAppInfo == null || getIntent().getBooleanExtra(Intent.EXTRA_ALLOW_REPLACE, false)) {
startInstallConfirm();
} else {
if(localLOGV) Log.i(TAG, "Replacing existing package:"+
mPkgInfo.applicationInfo.packageName);
showDialogInner(DLG_REPLACE_APP);
}
}
void setPmResult(int pmResult) {
Intent result = new Intent();
result.putExtra(Intent.EXTRA_INSTALL_RESULT, pmResult);
setResult(pmResult == PackageManager.INSTALL_SUCCEEDED
? RESULT_OK : RESULT_FIRST_USER, result);
}
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
//get intent information
final Intent intent = getIntent();
mPackageURI = intent.getData();
mPm = getPackageManager();
mPkgInfo = PackageUtil.getPackageInfo(mPackageURI);
// Check for parse errors
if(mPkgInfo == null) {
Log.w(TAG, "Parse error when parsing manifest. Discontinuing installation");
showDialogInner(DLG_PACKAGE_ERROR);
setPmResult(PackageManager.INSTALL_FAILED_INVALID_APK);
return;
}
//set view
setContentView(R.layout.install_start);
mInstallConfirm = findViewById(R.id.install_confirm_panel);
mInstallConfirm.setVisibility(View.INVISIBLE);
PackageUtil.AppSnippet as = PackageUtil.getAppSnippet(this,
mPkgInfo.applicationInfo, mPackageURI);
PackageUtil.initSnippetForNewApp(this, as, R.id.app_snippet);
// Deal with install source.
String callerPackage = getCallingPackage();
if (callerPackage != null && intent.getBooleanExtra(
Intent.EXTRA_NOT_UNKNOWN_SOURCE, false)) {
try {
mSourceInfo = mPm.getApplicationInfo(callerPackage, 0);
if (mSourceInfo != null) {
if ((mSourceInfo.flags&ApplicationInfo.FLAG_SYSTEM) != 0) {
// System apps don't need to be approved.
initiateInstall();
return;
}
/* for now this is disabled, since the user would need to
* have enabled the global "unknown sources" setting in the
* first place in order to get here.
SharedPreferences prefs = getSharedPreferences(PREFS_ALLOWED_SOURCES,
Context.MODE_PRIVATE);
if (prefs.getBoolean(mSourceInfo.packageName, false)) {
// User has already allowed this one.
initiateInstall();
return;
}
//ask user to enable setting first
showDialogInner(DLG_ALLOW_SOURCE);
return;
*/
}
} catch (NameNotFoundException e) {
}
}
// Check unknown sources.
if (!isInstallingUnknownAppsAllowed()) {
//ask user to enable setting first
showDialogInner(DLG_UNKNOWN_APPS);
return;
}
initiateInstall();
}
// Generic handling when pressing back key
public void onCancel(DialogInterface dialog) {
finish();
}
public void onClick(View v) {
if(v == mOk) {
// Start subactivity to actually install the application
Intent newIntent = new Intent();
newIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO,
mPkgInfo.applicationInfo);
newIntent.setData(mPackageURI);
newIntent.setClass(this, InstallAppProgress.class);
String installerPackageName = getIntent().getStringExtra(Intent.EXTRA_INSTALLER_PACKAGE_NAME);
if (installerPackageName != null) {
newIntent.putExtra(Intent.EXTRA_INSTALLER_PACKAGE_NAME, installerPackageName);
}
if (getIntent().getBooleanExtra(Intent.EXTRA_RETURN_RESULT, false)) {
newIntent.putExtra(Intent.EXTRA_RETURN_RESULT, true);
newIntent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);
}
if(localLOGV) Log.i(TAG, "downloaded app uri="+mPackageURI);
startActivity(newIntent);
finish();
} else if(v == mCancel) {
// Cancel and finish
setResult(RESULT_CANCELED);
finish();
}
}
}