Full screen default app fragment
Fix: 34280137 Test: make RunSettingsRoboTests Change-Id: Ib44e39589781d68c7952a2c16a44682791a422f1
This commit is contained in:
Fan Zhang
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.applications.defaultapps;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.app.DialogFragment;
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import android.app.Fragment;
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import android.content.Context;
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import android.content.DialogInterface;
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import android.os.Bundle;
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import android.os.UserHandle;
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import android.os.UserManager;
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import android.support.annotation.VisibleForTesting;
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import android.support.v7.preference.Preference;
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import android.support.v7.preference.PreferenceScreen;
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import android.text.TextUtils;
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import android.util.ArrayMap;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import com.android.internal.logging.nano.MetricsProto;
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import com.android.settings.R;
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import com.android.settings.Utils;
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import com.android.settings.applications.PackageManagerWrapper;
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import com.android.settings.applications.PackageManagerWrapperImpl;
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import com.android.settings.core.InstrumentedPreferenceFragment;
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import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
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import com.android.settings.widget.RadioButtonPreference;
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import java.util.List;
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import java.util.Map;
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/**
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* A generic app picker fragment that shows a list of app as radio button group.
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*/
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public abstract class DefaultAppPickerFragment extends InstrumentedPreferenceFragment implements
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RadioButtonPreference.OnClickListener {
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@VisibleForTesting(otherwise = VisibleForTesting.PRIVATE)
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static final String EXTRA_FOR_WORK = "for_work";
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private final Map<String, DefaultAppInfo> mCandidates = new ArrayMap<>();
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protected PackageManagerWrapper mPm;
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protected UserManager mUserManager;
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protected int mUserId;
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@Override
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public void onAttach(Context context) {
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super.onAttach(context);
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mPm = new PackageManagerWrapperImpl(context.getPackageManager());
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mUserManager = (UserManager) context.getSystemService(Context.USER_SERVICE);
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final Bundle arguments = getArguments();
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boolean mForWork = false;
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if (arguments != null) {
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mForWork = arguments.getBoolean(EXTRA_FOR_WORK);
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}
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final UserHandle managedProfile = Utils.getManagedProfile(mUserManager);
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mUserId = mForWork && managedProfile != null
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? managedProfile.getIdentifier()
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: UserHandle.myUserId();
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}
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@Override
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public View onCreateView(LayoutInflater inflater, ViewGroup container,
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Bundle savedInstanceState) {
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final View view = super.onCreateView(inflater, container, savedInstanceState);
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setHasOptionsMenu(true);
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return view;
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}
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@Override
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public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
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super.onCreatePreferences(savedInstanceState, rootKey);
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addPreferencesFromResource(R.xml.app_picker_prefs);
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mCandidates.clear();
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final List<DefaultAppInfo> candidateList = getCandidates();
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if (candidateList != null) {
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for (DefaultAppInfo info : candidateList) {
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mCandidates.put(info.getKey(), info);
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}
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}
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final String defaultAppKey = getDefaultAppKey();
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final String systemDefaultAppKey = getSystemDefaultAppKey();
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final PreferenceScreen screen = getPreferenceScreen();
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screen.removeAll();
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if (shouldShowItemNone()) {
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final RadioButtonPreference nonePref = new RadioButtonPreference(getPrefContext());
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nonePref.setIcon(R.drawable.ic_remove_circle);
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nonePref.setTitle(R.string.app_list_preference_none);
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nonePref.setChecked(TextUtils.isEmpty(defaultAppKey));
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nonePref.setOnClickListener(this);
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screen.addPreference(nonePref);
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}
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for (Map.Entry<String, DefaultAppInfo> app : mCandidates.entrySet()) {
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final RadioButtonPreference pref = new RadioButtonPreference(getPrefContext());
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final String appKey = app.getKey();
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pref.setTitle(app.getValue().loadLabel(mPm.getPackageManager()));
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pref.setIcon(app.getValue().loadIcon(mPm.getPackageManager()));
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pref.setKey(appKey);
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if (TextUtils.equals(defaultAppKey, appKey)) {
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pref.setChecked(true);
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}
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if (TextUtils.equals(systemDefaultAppKey, appKey)) {
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pref.setSummary(R.string.system_app);
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}
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pref.setOnClickListener(this);
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screen.addPreference(pref);
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}
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}
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@Override
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public void onRadioButtonClicked(RadioButtonPreference selected) {
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final String selectedKey = selected.getKey();
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final String confirmationMessage = getConfirmationMessage(mCandidates.get(selectedKey));
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final Activity activity = getActivity();
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if (TextUtils.isEmpty(confirmationMessage)) {
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onRadioButtonConfirmed(selectedKey);
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} else if (activity != null) {
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final DialogFragment fragment = ConfirmationDialogFragment.newInstance(
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this, selectedKey, confirmationMessage);
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fragment.show(activity.getFragmentManager(), ConfirmationDialogFragment.TAG);
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}
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}
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private void onRadioButtonConfirmed(String selectedKey) {
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final boolean success = setDefaultAppKey(selectedKey);
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if (success) {
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final PreferenceScreen screen = getPreferenceScreen();
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if (screen != null) {
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final int count = screen.getPreferenceCount();
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for (int i = 0; i < count; i++) {
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final Preference pref = screen.getPreference(i);
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if (pref instanceof RadioButtonPreference) {
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final RadioButtonPreference radioPref = (RadioButtonPreference) pref;
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final boolean newCheckedState =
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TextUtils.equals(pref.getKey(), selectedKey);
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if (radioPref.isChecked() != newCheckedState) {
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radioPref.setChecked(TextUtils.equals(pref.getKey(), selectedKey));
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}
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}
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}
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}
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}
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}
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protected boolean shouldShowItemNone() {
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return false;
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}
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protected String getSystemDefaultAppKey() {
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return null;
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}
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protected abstract List<DefaultAppInfo> getCandidates();
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protected abstract String getDefaultAppKey();
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protected abstract boolean setDefaultAppKey(String key);
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protected String getConfirmationMessage(DefaultAppInfo appInfo) {
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return null;
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}
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public static class ConfirmationDialogFragment extends InstrumentedDialogFragment
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implements DialogInterface.OnClickListener {
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public static final String TAG = "DefaultAppConfirm";
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public static final String EXTRA_KEY = "extra_key";
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public static final String EXTRA_MESSAGE = "extra_message";
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@Override
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public int getMetricsCategory() {
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return MetricsProto.MetricsEvent.DEFAULT_APP_PICKER_CONFIRMATION_DIALOG;
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}
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public static ConfirmationDialogFragment newInstance(DefaultAppPickerFragment parent,
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String key, String message) {
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final ConfirmationDialogFragment fragment = new ConfirmationDialogFragment();
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final Bundle argument = new Bundle();
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argument.putString(EXTRA_KEY, key);
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argument.putString(EXTRA_MESSAGE, message);
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fragment.setArguments(argument);
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fragment.setTargetFragment(parent, 0);
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return fragment;
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}
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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final Bundle bundle = getArguments();
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final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity())
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.setMessage(bundle.getString(EXTRA_MESSAGE))
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.setPositiveButton(android.R.string.ok, this)
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.setNegativeButton(android.R.string.cancel, null);
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return builder.create();
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}
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@Override
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public void onClick(DialogInterface dialog, int which) {
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final Fragment fragment = getTargetFragment();
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if (fragment instanceof DefaultAppPickerFragment) {
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final Bundle bundle = getArguments();
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((DefaultAppPickerFragment) fragment).onRadioButtonConfirmed(
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bundle.getString(EXTRA_KEY));
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}
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}
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}
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}
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