[Android]教你如何获取未安装应用的ResolveInfo(非反射，手动解

package com.example.linetest;import java.lang.reflect.Method;import java.util.HashMap;import java.util.Map;import org.xmlpull.v1.XmlPullParser;import android.annotation.SuppressLint;import android.content.IntentFilter;import android.content.res.AssetManager;import android.content.res.XmlResourceParser;import android.os.PatternMatcher;import android.text.TextUtils;public class IntentFilterParser {String apkPath;public IntentFilterParser(String apkPath) {this.apkPath = apkPath;}public Map<String, IntentFilter> getIntentFilter() {Map<String, IntentFilter> intentFilters = new HashMap<String, IntentFilter>();AssetManager assetManager = null;XmlResourceParser parser = null;try {assetManager = AssetManager.class.newInstance();Method method = AssetManager.class.getDeclaredMethod(“addAssetPath”, String.class);method.invoke(assetManager, apkPath);parser = assetManager.openXmlResourceParser(ANDROID_MANIFEST_FILENAME);parseManifest(parser, intentFilters);parser.close();assetManager.close();parser = null;assetManager = null;} catch (Exception e) {} finally {if (parser != null) {parser.close();parser = null;}if (assetManager != null) {assetManager.close();assetManager = null;}}return intentFilters;}private void parseManifest(XmlResourceParser parser, Map<String, IntentFilter> intentFilters) throws Exception {int outerDepth = parser.getDepth();int type;while ((type = parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {continue;}String tagName = parser.getName();if (tagName == null) {continue;}if (tagName.equals(“activity”) || tagName.equals(“receiver”) || tagName.equals(“service”)) {String activityName = parser.getAttributeValue(ANDROID_RESOURCES, “name”);if (activityName != null) {parseActivity(activityName, intentFilters, parser);}}}}private void parseActivity(String activityName, Map<String, IntentFilter> intentFilters, XmlResourceParser parser) throws Exception {int outerDepth = parser.getDepth();int type;while ((type = parser.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || parser.getDepth() > outerDepth)) {if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {continue;}String tagName = parser.getName();if (tagName == null) {continue;}if (tagName.equals(“intent-filter”)) {IntentFilter mFilter = new IntentFilter();intentFilters.put(activityName, mFilter);parseIntentFilter(mFilter, parser);}}}/** * 解析Intent-Filter字段 * * @param mFilter * @param attrs * @throws Exception */@SuppressLint(“NewApi”)private void parseIntentFilter(IntentFilter mFilter, XmlResourceParser attrs) throws Exception {int outerDepth = attrs.getDepth();int type;while ((type = attrs.next()) != XmlPullParser.END_DOCUMENT && (type != XmlPullParser.END_TAG || attrs.getDepth() > outerDepth)) {if (type == XmlPullParser.END_TAG || type == XmlPullParser.TEXT) {continue;}String nodeName = attrs.getName();if (nodeName == null) {continue;}if (nodeName.equals(“action”)) {String value = attrs.getAttributeValue(ANDROID_RESOURCES, “name”);if (!TextUtils.isEmpty(value)) {mFilter.addAction(value);}} else if (nodeName.equals(“category”)) {String value = attrs.getAttributeValue(ANDROID_RESOURCES, “name”);if (!TextUtils.isEmpty(value)) {mFilter.addCategory(value);}} else if (nodeName.equals(“data”)) {/*** Specify a URI authority host that is handled, as per* IntentFilter.addDataAuthority() . [string]*/String host = attrs.getAttributeValue(ANDROID_RESOURCES, “host”);/*** Specify a URI authority port that is handled, as per* IntentFilter.addDataAuthority() . [string]*/String port = attrs.getAttributeValue(ANDROID_RESOURCES, “port”);if (!TextUtils.isEmpty(host) && !TextUtils.isEmpty(port)) {mFilter.addDataAuthority(host, port);}/*** Specify a URI scheme that is handled, as per* IntentFilter.addDataScheme() . [string]*/String scheme = attrs.getAttributeValue(ANDROID_RESOURCES, “scheme”);if (!TextUtils.isEmpty(scheme)) {mFilter.addDataScheme(scheme);}/*** Specify a URI path that must exactly match, as per* IntentFilter.addDataPath() with PATTERN_LITERAL. [string]*/String path = attrs.getAttributeValue(ANDROID_RESOURCES, “path”);if (!TextUtils.isEmpty(path)) {mFilter.addDataPath(path, PatternMatcher.PATTERN_LITERAL);}/*** Specify a URI path that must be a prefix to match, as per* IntentFilter.addDataPath() with PATTERN_PREFIX. [string]*/String pathPrefix = attrs.getAttributeValue(ANDROID_RESOURCES, “pathPrefix”);if (!TextUtils.isEmpty(pathPrefix)) {mFilter.addDataPath(pathPrefix, PatternMatcher.PATTERN_PREFIX);}/*** Specify a URI path that matches a simple pattern, as per* IntentFilter.addDataPath() with PATTERN_SIMPLE_GLOB. [string]*/String pathPattern = attrs.getAttributeValue(ANDROID_RESOURCES, “pathPattern”);if (!TextUtils.isEmpty(pathPattern)) {mFilter.addDataPath(pathPattern, PatternMatcher.PATTERN_SIMPLE_GLOB);}/*** Specify a MIME type that is handled, as per* IntentFilter.addDataType() . [string]*/String mimeType = attrs.getAttributeValue(ANDROID_RESOURCES, “mimeType”);if (!TextUtils.isEmpty(mimeType)) {mFilter.addDataType(mimeType);}if (android.os.Build.VERSION.SDK_INT >= 19) {/*** Specify a URI scheme specific part that must exactly* match, as per IntentFilter.addDataSchemeSpecificPart()* with PATTERN_LITERAL. [string]*/String ssp = attrs.getAttributeValue(ANDROID_RESOURCES, “ssp”);mFilter.addDataSchemeSpecificPart(ssp, PatternMatcher.PATTERN_LITERAL);/*** Specify a URI scheme specific part that must be a prefix* to match, as per IntentFilter.addDataSchemeSpecificPart()* with PATTERN_PREFIX. [string]*/String sspPrefix = attrs.getAttributeValue(ANDROID_RESOURCES, “sspPrefix”);mFilter.addDataSchemeSpecificPart(sspPrefix, PatternMatcher.PATTERN_PREFIX);/*** Specify a URI scheme specific part that matches a simple* pattern, as per IntentFilter.addDataSchemeSpecificPart()* with PATTERN_SIMPLE_GLOB. [string]*/String sspPattern = attrs.getAttributeValue(ANDROID_RESOURCES, “sspPattern”);mFilter.addDataSchemeSpecificPart(sspPattern, PatternMatcher.PATTERN_SIMPLE_GLOB);}}}}private static final String ANDROID_RESOURCES = “”;private static final String ANDROID_MANIFEST_FILENAME = “AndroidManifest.xml”;}

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获致幸福的不二法门是珍视你所拥有的遗忘你所没有的。