Android Open Source - ProcDroid Settings Activity

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License

The source code is released under:

MIT License

Java Source Code

package com.example.testrun;
/*from ww w . j  a v a 2  s.co m*/
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.provider.Settings;
import android.annotation.TargetApi;
import android.app.Activity;
import android.app.ActivityManager;
import android.app.ActivityManager.RunningAppProcessInfo;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.view.*;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;

public class SettingsActivity extends Activity {
  private ListView pList;
  private ActivityManager activityManager;
  private List<RunningAppProcessInfo> rapiList;
  
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        activityManager = (ActivityManager) this.getSystemService(ACTIVITY_SERVICE);
        pList = (ListView)findViewById(R.id.pList);
        rapiList = new ArrayList<RunningAppProcessInfo>();
        
        refreshList();
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.activity_main, menu);
        return true;
    }
    
    private void refreshList() {
      List<String> names = new ArrayList<String>();
      String[] namesArray = new String[0];
      
      rapiList.clear();

      for(RunningAppProcessInfo rapi : activityManager.getRunningAppProcesses()) {
        rapiList.add(rapi);
        names.add(rapi.processName);
      }
      
      Collections.sort(names);
      
      ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
          R.layout.rowlayout, R.id.label, names.toArray(namesArray));
      
      pList.setAdapter(adapter);
    }
    
    public void infoClicked(View view) {
      RelativeLayout parentRow = (RelativeLayout)view.getParent();
        CharSequence rapiName = ((TextView)parentRow.getChildAt(0)).getText();
        
        //Credit to:
        //http://stackoverflow.com/questions/4421527/start-android-application-info-screen
      Intent intent = new Intent();
      final int apiLevel = Build.VERSION.SDK_INT;
      
      if (apiLevel >= 9) {
        intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
          Uri uri = Uri.fromParts("package", rapiName.toString(), null);
          intent.setData(uri);
      } else { 
        final String appPkgName = (apiLevel == 8 ? "pkg" : "com.android.setttings.ApplicationPkgName");
          intent.setAction(Intent.ACTION_VIEW);
          intent.setClassName("com.android.settings", "com.android.settings.InstalledAppDetails");
          intent.putExtra(appPkgName, rapiName);
      }
      
      startActivity(intent);
    }
    
    public void killClicked(View view) {
        RelativeLayout parentRow = (RelativeLayout)view.getParent();
        CharSequence rapiName = ((TextView)parentRow.getChildAt(0)).getText();
        
        for(RunningAppProcessInfo rapi : rapiList)
            if(rapi.processName.contentEquals(rapiName)){
                killProcess(rapi, false);
                break;
            }

        refreshList();
    }
    
    private void killProcess(RunningAppProcessInfo rapi, boolean force) {
        //TODO: Actual error handling
      
      if (rapi.processName.equals("stericson.busybox")) return; // don't kill the rooting application!!!
        try {
            Process rootProcess = Runtime.getRuntime().exec(new String[] { "su" });
            
            String command;
            if(force)
              command = "kill -9 " + rapi.pid;
            else
              command = "kill " + rapi.pid;
            
            BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(rootProcess.getOutputStream()), 2048);
            bw.write(command);
            bw.newLine();
            bw.flush();
        } catch (IOException e) {
            //Handle a writer error
            Toast.makeText(getBaseContext(), "IO Error: " + e.getMessage(), Toast.LENGTH_LONG).show();
        } catch (Exception e) {
            //Handle not having root
            Toast.makeText(getBaseContext(), e.getMessage(), Toast.LENGTH_LONG).show();
        }
    }

    public void fkillClicked(View view) {
      RelativeLayout parentRow = (RelativeLayout)view.getParent();
        CharSequence rapiName = ((TextView)parentRow.getChildAt(0)).getText();
        
        for(RunningAppProcessInfo rapi : rapiList)
            if(rapi.processName.contentEquals(rapiName)){
                killProcess(rapi, true);
                break;
            }

        refreshList();
    }
    
    public void appSettings(View view) {
      
    }
    
    public void appAbout(View view) {
      AlertDialog.Builder builder = new AlertDialog.Builder(this);
      builder.setTitle("About");
      builder.setMessage("ProcDroid is an Android process management application developed for" +
          " COMP 3000 by David Carson, Devin Denis, and Sergey Vershinin.\n\nThe interface icons used by the ProcDroid are taken from the Glyphish icon set available under the CC licence.");
      builder.setPositiveButton("Okay", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int id) {
                dialog.cancel();
            }
        });
      
      builder.create().show();
    }

    public void appHelp(View view) {
      AlertDialog.Builder builder = new AlertDialog.Builder(this);
      LayoutInflater inflater = this.getLayoutInflater();
      builder.setTitle("Help");
      builder.setView(inflater.inflate(R.layout.helpbutton, null));
      builder.setPositiveButton("Okay", new DialogInterface.OnClickListener() {
            public void onClick(DialogInterface dialog, int id) {
                dialog.cancel();
            }
        });
      
      builder.create().show();
    }
    
    public void appRefresh(View view) {
      refreshList();
    }
    
}

Java Source Code List

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