diff options
Diffstat (limited to 'src/com/android/packageinstaller/PackageInstallerActivity.java')
| -rw-r--r-- | src/com/android/packageinstaller/PackageInstallerActivity.java | 420 |
1 files changed, 420 insertions, 0 deletions
diff --git a/src/com/android/packageinstaller/PackageInstallerActivity.java b/src/com/android/packageinstaller/PackageInstallerActivity.java new file mode 100644 index 00000000..29f05b43 --- /dev/null +++ b/src/com/android/packageinstaller/PackageInstallerActivity.java @@ -0,0 +1,420 @@ +/* +** +** 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 com.android.packageinstaller.R; + +import java.io.File; +import java.io.FileNotFoundException; +import java.io.FileOutputStream; +import java.io.IOException; +import android.app.Activity; +import android.app.AlertDialog; +import android.app.Dialog; +import android.app.PendingIntent; +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.DialogInterface; +import android.content.Intent; +import android.content.IntentFilter; +import android.content.DialogInterface.OnCancelListener; +import android.content.pm.ApplicationInfo; +import android.content.pm.IPackageDataObserver; +import android.content.pm.PackageManager; +import android.content.pm.PackageParser; +import android.content.pm.PackageManager.NameNotFoundException; +import android.net.Uri; +import android.os.Bundle; +import android.os.FileUtils; +import android.os.Handler; +import android.os.Message; +import android.provider.Settings; +import android.util.Log; +import android.view.Window; + +/* + * 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 { + private static final int INSTALL_INITIAL = 0; + private static final int INSTALL_CONFIRM = 1; + private static final int INSTALL_PROGRESS = 2; + private static final int INSTALL_DONE = 3; + private static final String TAG = "PackageInstaller"; + private Uri mPackageURI; + private boolean localLOGV = false; + private int mCurrentState = INSTALL_INITIAL; + PackageManager mPm; + private PackageParser.Package mPkgInfo; + private File mTmpFile; + private static final int SUCCEEDED = 1; + private static final int FAILED = 0; + // Broadcast receiver for clearing cache + ClearCacheReceiver mClearCacheReceiver; + private static final int HANDLER_BASE_MSG_IDX = 0; + private static final int FREE_SPACE = HANDLER_BASE_MSG_IDX + 1; + + // ApplicationInfo object primarily used for already existing applications + private ApplicationInfo mAppInfo = null; + + // 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 Handler mHandler = new Handler() { + public void handleMessage(Message msg) { + switch (msg.what) { + case FREE_SPACE: + unregisterReceiver(mClearCacheReceiver); + if(msg.arg1 == SUCCEEDED) { + makeTempCopyAndInstall(); + } else { + showDialogInner(DLG_OUT_OF_SPACE); + } + break; + default: + break; + } + } + }; + + private void startInstallActivityClass(int requestCode, Class<?> cls) { + Intent newIntent = new Intent(); + startInstallActivityClass(newIntent, requestCode, cls); + } + + private void startInstallActivityClass(Intent newIntent, int requestCode, Class<?> cls) { + newIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO, + mPkgInfo.applicationInfo); + newIntent.setData(mPackageURI); + newIntent.setClass(this, cls); + if(localLOGV) Log.i(TAG, "downloaded app uri="+mPackageURI); + startActivityForResult(newIntent, requestCode); + } + + private void startInstallConfirm() { + Intent newIntent = new Intent(); + newIntent.putExtra(PackageUtil.INTENT_ATTR_APPLICATION_INFO, + mPkgInfo.applicationInfo); + newIntent.setData(mPackageURI); + newIntent.setClass(this, InstallAppConfirmation.class); + startActivityForResult(newIntent, INSTALL_CONFIRM); + } + + private void startInstallProgress() { + startInstallActivityClass(INSTALL_PROGRESS, InstallAppProgress.class); + } + + private void startInstallDone() { + Intent newIntent = new Intent(Intent.ACTION_VIEW); + newIntent.putExtra(PackageUtil.INTENT_ATTR_INSTALL_STATUS, true); + startInstallActivityClass(newIntent, INSTALL_DONE, InstallAppDone.class); + } + + 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) { + switch (id) { + case DLG_REPLACE_APP: + int msgId = R.string.dlg_app_replacement_statement; + // Customized text for system apps + if ((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"); + 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"); + 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(); + } + return null; + } + + private class ClearCacheReceiver extends BroadcastReceiver { + public static final String INTENT_CLEAR_CACHE = + "com.android.packageinstaller.CLEAR_CACHE"; + @Override + public void onReceive(Context context, Intent intent) { + Message msg = mHandler.obtainMessage(FREE_SPACE); + msg.arg1 = (getResultCode() ==1) ? SUCCEEDED : FAILED; + mHandler.sendMessage(msg); + } + } + + private void checkOutOfSpace(long size) { + if(localLOGV) Log.i(TAG, "Checking for "+size+" number of bytes"); + if (mClearCacheReceiver == null) { + mClearCacheReceiver = new ClearCacheReceiver(); + } + registerReceiver(mClearCacheReceiver, + new IntentFilter(ClearCacheReceiver.INTENT_CLEAR_CACHE)); + PendingIntent pi = PendingIntent.getBroadcast(this, + 0, new Intent(ClearCacheReceiver.INTENT_CLEAR_CACHE), 0); + mPm.freeStorage(size, pi); + } + + private void launchSettingsAppAndFinish() { + //Create an intent to launch SettingsTwo activity + Intent launchSettingsIntent = new Intent(Settings.ACTION_APPLICATION_SETTINGS); + startActivity(launchSettingsIntent); + finish(); + } + + private boolean isInstallingUnknownAppsAllowed() { + return Settings.Secure.getInt(getContentResolver(), + Settings.Secure.INSTALL_NON_MARKET_APPS, 0) > 0; + } + + private File createTempPackageFile(String filePath) { + File tmpPackageFile; + int i = filePath.lastIndexOf("/"); + String tmpFileName; + if(i != -1) { + tmpFileName = filePath.substring(i+1); + } else { + tmpFileName = filePath; + } + FileOutputStream fos; + try { + fos=openFileOutput(tmpFileName, MODE_WORLD_READABLE); + } catch (FileNotFoundException e1) { + Log.e(TAG, "Error opening file "+tmpFileName); + return null; + } + try { + fos.close(); + } catch (IOException e) { + Log.e(TAG, "Error opening file "+tmpFileName); + return null; + } + tmpPackageFile=getFileStreamPath(tmpFileName); + File srcPackageFile = new File(filePath); + if (!FileUtils.copyFile(srcPackageFile, tmpPackageFile)) { + return null; + } + return tmpPackageFile; + } + + private void makeTempCopyAndInstall() { + //copy file to tmp dir + mTmpFile = createTempPackageFile(mPackageURI.getPath()); + if(mTmpFile == null) { + //display a dialog + Log.e(TAG, "Error copying file locally. Failed Installation"); + showDialogInner(DLG_OUT_OF_SPACE); + return; + } + mPackageURI = Uri.parse("file://"+mTmpFile.getPath()); + // Check if package is already installed. display confirmation dialog if replacing pkg + try { + mAppInfo = mPm.getApplicationInfo(mPkgInfo.packageName, + PackageManager.GET_UNINSTALLED_PACKAGES); + } catch (NameNotFoundException e) { + mAppInfo = null; + } + if (mAppInfo == null) { + startInstallConfirm(); + } else { + if(localLOGV) Log.i(TAG, "Replacing existing package:"+ + mPkgInfo.applicationInfo.packageName); + showDialogInner(DLG_REPLACE_APP); + } + } + + @Override + public 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); + return; + } + + //set view + requestWindowFeature(Window.FEATURE_NO_TITLE); + setContentView(R.layout.install_start); + PackageUtil.initAppSnippet(this, mPkgInfo.applicationInfo, R.id.app_snippet); + //check setting + if(!isInstallingUnknownAppsAllowed()) { + //ask user to enable setting first + showDialogInner(DLG_UNKNOWN_APPS); + return; + } + //compute the size of the application. just an estimate + long size; + String apkPath = mPackageURI.getPath(); + File apkFile = new File(apkPath); + //TODO? DEVISE BETTER HEAURISTIC + size = 4*apkFile.length(); + checkOutOfSpace(size); + } + + @Override + public void onDestroy() { + super.onDestroy(); + // Delete the temporary file if it still exists + if (mTmpFile != null) { + deleteFile(mTmpFile.getName()); + } + } + + @Override + protected void onActivityResult(int requestCode, int resultCode, Intent data) { + boolean finish = true; + boolean removeTmpFile = false; + switch(requestCode) { + case INSTALL_CONFIRM: + if (resultCode == RESULT_OK) { + finish = false; + mCurrentState = INSTALL_PROGRESS; + startInstallProgress(); + } else { + removeTmpFile = true; + } + break; + case INSTALL_PROGRESS: + finish = false; + mCurrentState = INSTALL_DONE; + if (resultCode == PackageManager.INSTALL_SUCCEEDED) { + //start the next screen to show final status of installation + startInstallDone(); + } else { + showDialogInner(DLG_INSTALL_ERROR); + } + // Now that the package is installed just delete the temp file + removeTmpFile = true; + break; + case INSTALL_DONE: + //neednt check for result code here + break; + default: + break; + } + if ((removeTmpFile) && (mTmpFile != null)) { + deleteFile(mTmpFile.getName()); + } + if (finish) { + //finish off this activity to return to the previous activity that launched it + if (localLOGV) Log.i(TAG, "Finishing off activity"); + finish(); + } + } + + // Generic handling when pressing back key + public void onCancel(DialogInterface dialog) { + finish(); + } +} |