/*
* Copyright (C) 2012 YIXIA.COM
*
* 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.yixia.zi.utils;
import android.content.ComponentName;
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.content.pm.ResolveInfo;
import android.net.Uri;
import android.os.Parcelable;
import android.text.Html;
import android.text.TextUtils;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public final class IntentHelper {
public static final String MEDIA_PATTERN = "(http[s]?://)+([\\w-]+\\.)+[\\w-]+([\\w-./?%&=]*)?";
private static final Pattern mMediaPattern;
static {
mMediaPattern = Pattern.compile(MEDIA_PATTERN);
}
public static Uri getIntentUri(Intent intent) {
Uri result = null;
if (intent != null) {
result = intent.getData();
if (result == null) {
final String type = intent.getType();
String sharedUrl = intent.getStringExtra(Intent.EXTRA_TEXT);
if (!TextUtils.isEmpty(sharedUrl)) {
if ("text/plain".equals(type) && sharedUrl != null) {
result = getTextUri(sharedUrl);
} else if ("text/html".equals(type) && sharedUrl != null) {
result = getTextUri(Html.fromHtml(sharedUrl).toString());
}
} else {
Parcelable parce = intent.getParcelableExtra(Intent.EXTRA_STREAM);
if (parce != null)
result = (Uri) parce;
}
}
}
return result;
}
private static Uri getTextUri(String sharedUrl) {
Matcher matcher = mMediaPattern.matcher(sharedUrl);
if (matcher.find()) {
sharedUrl = matcher.group();
if (!TextUtils.isEmpty(sharedUrl)) {
return Uri.parse(sharedUrl);
}
}
return null;
}
public static boolean existPackage(final Context ctx, String packageName) {
if (!TextUtils.isEmpty(packageName)) {
for (PackageInfo p : ctx.getPackageManager().getInstalledPackages(0)) {
if (packageName.equals(p.packageName))
return true;
}
}
return false;
}
public static void startApkActivity(final Context ctx, String packageName) {
PackageManager pm = ctx.getPackageManager();
PackageInfo pi;
try {
pi = pm.getPackageInfo(packageName, 0);
Intent intent = new Intent(Intent.ACTION_MAIN, null);
intent.setPackage(pi.packageName);
List<ResolveInfo> apps = pm.queryIntentActivities(intent, 0);
ResolveInfo ri = apps.iterator().next();
if (ri != null) {
String className = ri.activityInfo.name;
intent.setComponent(new ComponentName(packageName, className));
ctx.startActivity(intent);
}
} catch (NameNotFoundException e) {
Log.e("startActivity", e);
}
}
}