Android Open Source - app-manage Software Uninstall

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License

The source code is released under:

GNU General Public License

Java Source Code

/**
 * @Author     Shiyao Qi// w w  w  .  j ava  2  s  . c  o m
 * @Date     2013.3.10
 * @Function   Display all the Apps installed on your device, one click to uninstall,
 *         convenient for managing Apps on your device.
 */

package com.twlkyao.appmanage;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.DialogInterface.OnClickListener;
import android.content.pm.ApplicationInfo;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.SimpleAdapter.ViewBinder;
import android.widget.TextView;

@SuppressLint("HandlerLeak")
public class SoftwareUninstall extends Activity implements  Runnable {
  
  private SimpleAdapter notes;
  private List<Map<String, Object>> list = null;
  private ListView listview = null;
  private ProgressDialog pd;
  private TextView name;
  private TextView desc;
  
  String ownName = "AppManage";
  
  @Override
  public void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
    setContentView(R.layout.software_uninstall);
    
    Log.i("SoftwareUninstall", "onCreate");
    
    // cancelable progress dialog. 
    pd = ProgressDialog.show(this, getString(R.string.pd_title),
        getString(R.string.pd_message), true,
        true);
    
    setTitle(R.string.title);
    
    findViews();
    setListeners();
        
        Thread thread = new Thread(this);
        thread.start();
    }
  
  
  @Override
  protected void onDestroy() {
    // TODO Auto-generated method stub
    super.onDestroy();
    Log.i("SoftwareUninstall","onDestroy");
    
  }

  @Override
  protected void onPause() {
    // TODO Auto-generated method stub
    super.onPause();
    Log.i("SoftwareUninstall", "onPause");
  }

  @Override
  protected void onRestart() {
    // TODO Auto-generated method stub
    super.onRestart();
    Log.i("SoftwareUninstall", "onRestart");
  }

  @Override
  protected void onResume() {
    // TODO Auto-generated method stub
    super.onResume();
    Log.i("SoftwareUninstall","onResume");
    refreshListItems(); // Refresh the ListView.
  }

  @Override
  protected void onStart() {
    // TODO Auto-generated method stub
    super.onStart();
    Log.i("SoftwareUninstall", "onStart");
  }

  @Override
  protected void onStop() {
    // TODO Auto-generated method stub
    super.onStop();
    Log.i("SoftwareUninstall", "onStop");
  }

  // Refresh the ListView.
  private void refreshListItems() {
    list = fetch_installed_apps();
  
    // Sort the list of application in alphabet order.
    Collections.sort(list, new Comparator<Map<String, Object>>() {

      public int compare(Map<String, Object> map1,Map<String, Object> map2) {  

        // map1 and map2 are elements in list, return the result according to the comparison.
        String string1 = (String) map1.get("name");
        String string2 = (String) map2.get("name");
        
        // 0 if the strings are equal,
        // a negative integer if this string is before the specified string,
        // or a positive integer if this string is after the specified string.
        return string1.compareTo(string2);
      }
    });
    
    notes = new SimpleAdapter(this, list, R.layout.info_row,
        new String[] { "icon", "name", "desc" }, new int[] { R.id.icon, R.id.name,
            R.id.desc }); // Instance a new SimpleAdapter.
    listview.setAdapter(notes); // Set adapter.
    
    notes.setViewBinder(new ViewBinder() { // To get the App icon dynamically.
      public boolean setViewValue(View view, Object data,
          String textRepresentation) {
        // TODO Auto-generated method stub
        if(view instanceof ImageView && data instanceof Drawable) {
          ImageView iv = (ImageView) view;
          iv.setImageDrawable((Drawable)data);
          return true;
        }
        return false;
      }
    });
    setTitle(getString(R.string.total_installed) + list.size()); // Set title.
  }
  
  public List<Map<String, Object>> fetch_installed_apps() {
        List<ApplicationInfo> packages = getPackageManager().getInstalledApplications(0);
    list = new ArrayList<Map<String, Object>>(
        packages.size());
    Iterator<ApplicationInfo> appInfo = packages.iterator();
    
    while (appInfo.hasNext()) {
      Map<String, Object> map = new HashMap<String, Object>();
      ApplicationInfo app = (ApplicationInfo) appInfo.next();  
      String packageName = app.packageName;
            String label = "";
            Drawable icon = null;
            try {
                label = getPackageManager().getApplicationLabel(app).toString();
                icon = getPackageManager().getApplicationIcon(app);
            } catch (Exception e) {  
              Log.i("Exception",e.toString());
            }
            
            if(0 == (app.flags  & ApplicationInfo.FLAG_SYSTEM) && !label.equals(ownName)) { // Exclude the app itself.
              
              map.put("icon", icon); // Put icon key-vale.
               map.put("name", label); // Put name key-value.
              map.put("desc", packageName); // Put desc key-value.
              list.add(map);
            }
    }
    return list;
    }
  
  public void run() {
    fetch_installed_apps();
    handler.sendEmptyMessage(0);
  }
  
    private Handler handler = new Handler() {
        public void handleMessage(Message msg) {
            refreshListItems();
            pd.dismiss();
        }
    };
    
  public void findViews() {
      listview = (ListView) findViewById(R.id.softwareUninstall);  
    }
    
    public void setListeners() {
      listview.setOnItemClickListener(new OnItemClickListener() {
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
          name = (TextView) view.findViewById(R.id.name);
          desc = (TextView) view.findViewById(R.id.desc);
            Log.i("itemName", name.getText().toString());
            Log.i("itemDesc", desc.getText().toString());
  
            new AlertDialog.Builder(SoftwareUninstall.this)
            .setTitle(R.string.alertdialog_title)
            .setMessage(R.string.alertdialog_message)
            .setPositiveButton(R.string.positive, new OnClickListener() {
            public void onClick(DialogInterface arg0, int arg1) {
              Intent uninstall = new Intent(Intent.ACTION_DELETE);
              uninstall.setAction("android.intent.action.DELETE");
              uninstall.addCategory("android.intent.category.DEFAULT");
              Uri packageName = Uri.parse("package:" + desc.getText().toString());
              uninstall.setData(packageName);
              startActivity(uninstall);
            }
          })
          .setNegativeButton(R.string.negative, new OnClickListener() {
            public void onClick(DialogInterface dialog, int which) {
              return;
            }
          }).show();
          }
      });
    }
}

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