android 文件管理器源码　APK包查看

package com.ttd.apkbrower; import java.io.DataOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.text.DecimalFormat; import java.util.ArrayList; import java.util.Arrays; import java.util.Calendar; import java.util.Collections; import java.util.List; import com.ttd.apkbrower.FileWrapper; import com.ttd.apkbrower.R; import com.ttd.apkbrower.MyAdapter; import com.ttd.apkbrower.installedApkinfo; import android.app.Activity; import android.app.AlertDialog; import android.app.AlertDialog.Builder; import android.content.DialogInterface; import android.content.Intent; import android.content.pm.ApplicationInfo; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.graphics.Color; import android.graphics.drawable.Drawable; import android.net.Uri; import android.os.Bundle; import android.os.Environment; import android.util.Log; import android.view.KeyEvent; import android.view.View; import android.view.View.OnClickListener; import android.widget.AdapterView; import android.widget.Button; import android.widget.ImageView; import android.widget.ListView; import android.widget.TextView; public class ApkbrowerActivity extends Activity { /** Called when the activity is first created. */ private List<String> items = null; private List<String> paths = null; private String rootPath = "/"; private String curPath = "/"; private String lastPath = null; // private String size_s=null; private TextView mPath; private TextView fileText; private ListView listV; private ImageView imageView ; private Button buttonConfirm ; private Button buttondel ; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); //取得软件包路径root权限 //String apkRoot="chmod 777 "+getPackageCodePath(); //RootCommand(apkRoot); fileText=(TextView) findViewById(R.id.fileText); mPath = (TextView) findViewById(R.id.mPath); listV= (ListView) findViewById(R.id.mlist); imageView= (ImageView)findViewById(R.id.icon); buttonConfirm = (Button) findViewById(R.id.buttonConfirm); buttonConfirm.setEnabled(false); buttonConfirm.setVisibility(View.GONE); buttonConfirm.setOnClickListener(new OnClickListener() { public void onClick(View v) { String fileName = (String) mPath.getText(); if (fileName.toLowerCase().endsWith(".apk")){ Uri uri = Uri.fromFile( new File(fileName)); Intent intent = new Intent(Intent. ACTION_VIEW ); intent.setDataAndType(uri , "application/vnd.android.package-archive" ); startActivity(intent); } else { fileText.setTextColor(Color.RED); fileText.setText("抱歉，当前文件不是APK文件！不能执行安装操作！！请重新选择！！！"); } } }); buttondel = (Button) findViewById(R.id.buttondelete); buttondel.setEnabled(false); buttondel.setVisibility(View.GONE); buttondel.setOnClickListener(new OnClickListener(){ public void onClick(View v) { final String fp = (String) mPath.getText(); final File fd = new File(fp); String tishi=null; if(fd.isDirectory()){ tishi="你真的要永久删除目录 "+fp+"及其中所有文件！？"; }else{ tishi="你真的要永久删除文件: "+fp+"？"; } //生成删除文件的提示框。 new AlertDialog.Builder(ApkbrowerActivity.this) .setIcon(R.drawable.info) .setTitle("确认") .setMessage(tishi) .setPositiveButton("确定", new DialogInterface.OnClickListener(){ public void onClick(DialogInterface dialoginterface, int which){ deleteFile(fd); setResult(RESULT_OK);// 确定按钮事件 } }) .setNegativeButton("取消", new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int which) { fileText.setText("你取消了删除操作！"); imageView.setImageDrawable(getResources().getDrawable(R.drawable.info)); setResult(RESULT_CANCELED);// 确定按钮事件 } }) .show(); } }); getFileDir(rootPath);//进入系统根目录 /*** 处理listV.Item点击事件，并根据不同情况更新文本框内容、显示与隐藏按键 ***/ listV.setOnItemClickListener( new AdapterView.OnItemClickListener(){ public void onItemClick(@SuppressWarnings("rawtypes") AdapterView adapterView, View view,int position, long arg3) { if(paths.get(position).toString().equals("!.00all")){ Intent intent = new Intent(); Bundle bundle = new Bundle(); bundle.putString("symbl_a", "!.00all"); intent.putExtras(bundle); intent.setClass(ApkbrowerActivity.this, installedApkinfo.class); startActivity(intent); } else if(paths.get(position).toString().equals("!.01usr")) { Intent intent = new Intent(); Bundle bundle = new Bundle(); bundle.putString("symbl_a", "!.01usr"); intent.putExtras(bundle); intent.setClass(ApkbrowerActivity.this, installedApkinfo.class); startActivity(intent); } else if(paths.get(position).toString().equals("!.02un")) { items = new ArrayList<String>(); paths = new ArrayList<String>(); items.add("!.004"); paths.add(rootPath); items.add("!.005"); paths.add(rootPath); File fileApk=Environment.getExternalStorageDirectory(); FindAllAPKFile(fileApk); listV.setAdapter(new MyAdapter(ApkbrowerActivity.this, items, paths)); } else{ File file = new File(paths.get(position)); lastPath = file.getParent(); long dirSize=0; long Tcount=0; if (file.isDirectory()) { fileText.setTextColor(Color.GREEN); if(paths.get(position).equals(rootPath)||paths.get(position).equals("/mnt")||paths.get(position).startsWith("/sys/")||paths.get(position).equals("/sys")){ fileText.setText("\n"+"系统目录"); }else if(paths.get(position).toLowerCase().endsWith("sdcard")||paths.get(position).toLowerCase().equals("/data")||paths.get(position).toLowerCase().equals("/system")){ Long sd_all_size = FileFolder_All_Size(paths.get(position)); Long sd_free_size = FileFolder_Free_Size(paths.get(position)); fileText.setText("\n"+"大小："+FormetFileSize(sd_all_size)+"可用空间："+FormetFileSize(sd_free_size)); }else{ try { Tcount=getlist(file); } catch (Exception e1) { // TODO Auto-generated catch block e1.printStackTrace(); } try { dirSize=getdirFileSize(file); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } fileText.setText("\n"+"文件总数"+Tcount+"个。大小："+FormetFileSize(dirSize)); } Drawable apk_icon = getResources().getDrawable(R.drawable.folder48); imageView.setImageDrawable(apk_icon); curPath = paths.get(position); getFileDir(paths.get(position)); buttonConfirm.setEnabled(false); butt