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/*
* Copyright (C) 2014 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.dialer.util;
import android.content.ActivityNotFoundException;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
import android.content.res.Resources;
import android.net.Uri;
import android.provider.Telephony;
import android.view.View;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import com.android.contacts.common.CallUtil;
import com.android.dialer.R;
import java.util.List;
/**
* General purpose utility methods for the Dialer.
*/
public class DialerUtils {
/**
* Attempts to start an activity and displays a toast with the default error message if the
* activity is not found, instead of throwing an exception.
*
* @param context to start the activity with.
* @param intent to start the activity with.
*/
public static void startActivityWithErrorToast(Context context, Intent intent) {
startActivityWithErrorToast(context, intent, R.string.activity_not_available);
}
/**
* Attempts to start an activity and displays a toast with a provided error message if the
* activity is not found, instead of throwing an exception.
*
* @param context to start the activity with.
* @param intent to start the activity with.
* @param msgId Resource ID of the string to display in an error message if the activity is
* not found.
*/
public static void startActivityWithErrorToast(Context context, Intent intent, int msgId) {
try {
context.startActivity(intent);
} catch (ActivityNotFoundException e) {
Toast.makeText(context, msgId, Toast.LENGTH_SHORT).show();
}
}
/**
* Returns the component name to use in order to send an SMS using the default SMS application,
* or null if none exists.
*/
public static ComponentName getSmsComponent(Context context) {
String smsPackage = Telephony.Sms.getDefaultSmsPackage(context);
if (smsPackage != null) {
final PackageManager packageManager = context.getPackageManager();
final Intent intent = new Intent(Intent.ACTION_SENDTO,
Uri.fromParts(CallUtil.SCHEME_SMSTO, "", null));
final List<ResolveInfo> resolveInfos = packageManager.queryIntentActivities(intent, 0);
for (ResolveInfo resolveInfo : resolveInfos) {
if (smsPackage.equals(resolveInfo.activityInfo.packageName)) {
return new ComponentName(smsPackage, resolveInfo.activityInfo.name);
}
}
}
return null;
}
/**
* Sets the image asset and text for an empty list view (see empty_list_view.xml).
*
* @param emptyListView The empty list view.
* @param imageResId The resource id for the drawable to set as the image.
* @param strResId The resource id for the string to set as the message.
* @param res The resources to obtain the image and string from.
*/
public static void configureEmptyListView(
View emptyListView, int imageResId, int strResId, Resources res) {
ImageView emptyListViewImage =
(ImageView) emptyListView.findViewById(R.id.emptyListViewImage);
emptyListViewImage.setImageDrawable(res.getDrawable(imageResId));
emptyListViewImage.setContentDescription(res.getString(strResId));
TextView emptyListViewMessage =
(TextView) emptyListView.findViewById(R.id.emptyListViewMessage);
emptyListViewMessage.setText(res.getString(strResId));
}
}
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