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/*
* Copyright (C) 2015 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.applications;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.app.Fragment;
import android.app.admin.DevicePolicyManager;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.hardware.usb.IUsbManager;
import android.os.Bundle;
import android.os.IBinder;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.os.UserManager;
import android.util.Log;
import com.android.settings.SettingsActivity;
import com.android.settings.SettingsPreferenceFragment;
import com.android.settings.Utils;
import com.android.settingslib.applications.ApplicationsState;
import com.android.settingslib.applications.ApplicationsState.AppEntry;
import java.util.ArrayList;
public abstract class AppInfoBase extends SettingsPreferenceFragment
implements ApplicationsState.Callbacks {
public static final String ARG_PACKAGE_NAME = "package";
public static final String ARG_PACKAGE_UID = "uid";
protected static final String TAG = AppInfoBase.class.getSimpleName();
protected static final boolean localLOGV = false;
protected boolean mAppControlRestricted = false;
protected ApplicationsState mState;
protected ApplicationsState.Session mSession;
protected ApplicationsState.AppEntry mAppEntry;
protected PackageInfo mPackageInfo;
protected int mUserId;
protected String mPackageName;
protected IUsbManager mUsbManager;
protected DevicePolicyManager mDpm;
protected UserManager mUserManager;
protected PackageManager mPm;
// Dialog identifiers used in showDialog
protected static final int DLG_BASE = 0;
protected boolean mFinishing;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mFinishing = false;
mState = ApplicationsState.getInstance(getActivity().getApplication());
mSession = mState.newSession(this);
Context context = getActivity();
mDpm = (DevicePolicyManager) context.getSystemService(Context.DEVICE_POLICY_SERVICE);
mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
mPm = context.getPackageManager();
IBinder b = ServiceManager.getService(Context.USB_SERVICE);
mUsbManager = IUsbManager.Stub.asInterface(b);
retrieveAppEntry();
}
@Override
public void onResume() {
super.onResume();
mSession.resume();
mAppControlRestricted = mUserManager.hasUserRestriction(UserManager.DISALLOW_APPS_CONTROL);
if (!refreshUi()) {
setIntentAndFinish(true, true);
}
}
@Override
public void onPause() {
mSession.pause();
super.onPause();
}
protected String retrieveAppEntry() {
final Bundle args = getArguments();
mPackageName = (args != null) ? args.getString(ARG_PACKAGE_NAME) : null;
if (mPackageName == null) {
Intent intent = (args == null) ?
getActivity().getIntent() : (Intent) args.getParcelable("intent");
if (intent != null) {
mPackageName = intent.getData().getSchemeSpecificPart();
}
}
mUserId = UserHandle.myUserId();
mAppEntry = mState.getEntry(mPackageName, mUserId);
if (mAppEntry != null) {
// Get application info again to refresh changed properties of application
try {
mPackageInfo = mPm.getPackageInfo(mAppEntry.info.packageName,
PackageManager.GET_DISABLED_COMPONENTS |
PackageManager.GET_UNINSTALLED_PACKAGES |
PackageManager.GET_SIGNATURES |
PackageManager.GET_ACTIVITIES);
} catch (NameNotFoundException e) {
Log.e(TAG, "Exception when retrieving package:" + mAppEntry.info.packageName, e);
}
} else {
Log.w(TAG, "Missing AppEntry; maybe reinstalling?");
mPackageInfo = null;
}
return mPackageName;
}
protected void setIntentAndFinish(boolean finish, boolean appChanged) {
if (localLOGV) Log.i(TAG, "appChanged="+appChanged);
Intent intent = new Intent();
intent.putExtra(ManageApplications.APP_CHG, appChanged);
SettingsActivity sa = (SettingsActivity)getActivity();
sa.finishPreferencePanel(this, Activity.RESULT_OK, intent);
mFinishing = true;
}
protected void showDialogInner(int id, int moveErrorCode) {
DialogFragment newFragment = MyAlertDialogFragment.newInstance(id, moveErrorCode);
newFragment.setTargetFragment(this, 0);
newFragment.show(getFragmentManager(), "dialog " + id);
}
protected abstract boolean refreshUi();
protected abstract AlertDialog createDialog(int id, int errorCode);
@Override
public void onRunningStateChanged(boolean running) {
refreshUi();
}
@Override
public void onRebuildComplete(ArrayList<AppEntry> apps) {
// No op.
}
@Override
public void onPackageIconChanged() {
// No op.
}
@Override
public void onPackageSizeChanged(String packageName) {
// No op.
}
@Override
public void onAllSizesComputed() {
// No op.
}
@Override
public void onLauncherInfoChanged() {
// No op.
}
@Override
public void onLoadEntriesCompleted() {
// No op.
}
@Override
public void onPackageListChanged() {
refreshUi();
}
public static void startAppInfoFragment(Class<?> fragment, int titleRes,
String pkg, int uid, Fragment source, int request) {
Bundle args = new Bundle();
args.putString(AppInfoBase.ARG_PACKAGE_NAME, pkg);
args.putInt(AppInfoBase.ARG_PACKAGE_UID, uid);
Intent intent = Utils.onBuildStartFragmentIntent(source.getActivity(), fragment.getName(),
args, null, titleRes, null, false);
source.getActivity().startActivityForResultAsUser(intent, request,
new UserHandle(UserHandle.getUserId(uid)));
}
public static class MyAlertDialogFragment extends DialogFragment {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
int id = getArguments().getInt("id");
int errorCode = getArguments().getInt("moveError");
Dialog dialog = ((AppInfoBase) getTargetFragment()).createDialog(id, errorCode);
if (dialog == null) {
throw new IllegalArgumentException("unknown id " + id);
}
return dialog;
}
public static MyAlertDialogFragment newInstance(int id, int errorCode) {
MyAlertDialogFragment dialogFragment = new MyAlertDialogFragment();
Bundle args = new Bundle();
args.putInt("id", id);
args.putInt("moveError", errorCode);
dialogFragment.setArguments(args);
return dialogFragment;
}
}
}
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