get item From Apk package by unzip the apk file - Android android.content.pm

Android examples for android.content.pm:Apk Property

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  3. android.content.pm
  4. Apk Property

Description

get item From Apk package by unzip the apk file

Demo Code

import java.io.IOException;
import java.util.Enumeration;
import java.util.zip.ZipEntry;
import java.util.zip.ZipFile;

import android.content.Context;
import android.content.pm.ApplicationInfo;

public class Main {

  public static String getChannelFromApk(Context context, String channelPrefix) {

    ApplicationInfo appinfo = context.getApplicationInfo();
    String sourceDir = appinfo.sourceDir;
    String key = "META-INF/" + channelPrefix;
    String ret = "";
    ZipFile zipfile = null;//from  w w w.j  a v a2s .c o  m
    try {
      zipfile = new ZipFile(sourceDir);
      Enumeration<?> entries = zipfile.entries();
      while (entries.hasMoreElements()) {
        ZipEntry entry = ((ZipEntry) entries.nextElement());
        String entryName = entry.getName();
        if (entryName.startsWith(key)) {
          ret = entryName;
          break;
        }
      }
    } catch (IOException e) {
      e.printStackTrace();
    } finally {
      if (zipfile != null) {
        try {
          zipfile.close();
        } catch (IOException e) {
          e.printStackTrace();
        }
      }
    }
    String[] split = ret.split(channelPrefix);
    String channel = "";
    if (split.length >= 2) {
      channel = ret.substring(key.length());
    }
    return channel;
  }

}

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