Android Open Source - Music2SD Settings Fragment

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License

The source code is released under:

Copyright (c) 2014, Lepidus Development LLC All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions ...

Java Source Code

package com.lepidusdevelopment.music2sd;
//  w w  w .  j a va  2s .  c o  m
/**
 * Copyright (c) 2014, Lepidus Development LLC
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 * 
 *   Redistributions of source code must retain the above copyright notice, this
 *   list of conditions and the following disclaimer.
 * 
 *   Redistributions in binary form must reproduce the above copyright notice, this
 *   list of conditions and the following disclaimer in the documentation and/or
 *   other materials provided with the distribution.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

import java.io.File;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import eu.chainfire.libsuperuser.Shell;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Bundle;
import android.preference.Preference;
import android.preference.Preference.OnPreferenceClickListener;
import android.preference.PreferenceFragment;
import android.preference.PreferenceManager;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

public class SettingsFragment extends PreferenceFragment implements OnPreferenceClickListener, MountManagerListener, OnItemClickListener {
  private Map<String, File> _externalLocations = new HashMap<String, File>();
  private List<String> _mountpoints = new ArrayList<String>();
  private Preference pref;
  private AlertDialog _currentDialog = null;
  
  @SuppressWarnings("deprecation")
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    getPreferenceManager().setSharedPreferencesMode(Context.MODE_WORLD_READABLE);
    addPreferencesFromResource(R.xml.preferences);
    
    pref = ((Preference)findPreference("path"));
    pref.setOnPreferenceClickListener(this);
        
    SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(getActivity());
    pref.setSummary(sharedPref.getString("path", "Internal Storage"));
    
    ((Preference)findPreference("music2sd")).setOnPreferenceClickListener(this);
    ((Preference)findPreference("xposed")).setOnPreferenceClickListener(this);
    ((Preference)findPreference("sdcard")).setOnPreferenceClickListener(this);
    ((Preference)findPreference("support")).setOnPreferenceClickListener(this);
    
    if (android.os.Build.VERSION.SDK_INT >= 19) {
      AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
      builder.setTitle(R.string.error);
      builder.setMessage(R.string.kitkat_above);
      builder.setCancelable(false);
      builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface arg0, int arg1) {
          getActivity().finish();
        }
      });
      builder.show();
    }
    else {
      (new RootHelper()).execute();
    }
  }
  
  // - OnPreferenceClickListener Methods
  @Override
    public boolean onPreferenceClick(Preference arg0) {
    if (arg0.getKey().equalsIgnoreCase("path")) {
      _externalLocations.clear();
      _mountpoints.clear();
      
      MountManager mm = new MountManager(this.getActivity().getBaseContext());
      mm.setFoundMountPointListener(this);
      mm.getMountPoints();
    }
    else if (arg0.getKey().equalsIgnoreCase("music2sd")) {
      Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://forum.xda-developers.com/showthread.php?t=2414467"));
      startActivity(browserIntent);
    }
    else if (arg0.getKey().equalsIgnoreCase("xposed")) {
      Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://forum.xda-developers.com/showthread.php?t=1574401"));
      startActivity(browserIntent);
    }
    else if (arg0.getKey().equalsIgnoreCase("sdcard")) {
      MountManager mm = new MountManager(this.getActivity().getBaseContext());
      mm.setFoundMountPointListener(this);
      mm.getDebugInfo();
    }
    else if (arg0.getKey().equalsIgnoreCase("support")) {
      Intent i = new Intent(Intent.ACTION_SEND);
      i.setType("message/rfc822");
      i.putExtra(Intent.EXTRA_EMAIL  , new String[]{"steven@lepidusdevelopment.com"});
      i.putExtra(Intent.EXTRA_SUBJECT, "[MUSIC2SD] Support");
      try {
          startActivity(Intent.createChooser(i, "Send mail..."));
      } catch (android.content.ActivityNotFoundException ex) {
          Toast.makeText(getActivity(), "There are no email clients installed.", Toast.LENGTH_SHORT).show();
      }
    }
    
    return true;
  }
  
  // - OnItemClickListener Methods
  @Override
  public void onItemClick(AdapterView<?> adapter, View view, int pos, long id) {
    File path = _externalLocations.get(_mountpoints.get(pos));
    
    if (path != null) {
      path = new File(path, "Android/data/com.google.android.music/files");
      if (!path.exists()) {
        (new RootHelper()).execute(path.getAbsolutePath());
        (new RootHelper()).execute((new File(path, "artwork")).getAbsolutePath());
        (new RootHelper()).execute((new File(path, "artwork2")).getAbsolutePath());
        (new RootHelper()).execute((new File(path, "artwork2/folder")).getAbsolutePath());
        (new RootHelper()).execute((new File(path, "music")).getAbsolutePath());
      }
      
      SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(getActivity());
      Editor editor = sharedPref.edit();
      editor.putString("path", path.getAbsolutePath());
      editor.commit();
      
      pref.setSummary(path.getAbsolutePath());
    }
    else {
      SharedPreferences sharedPref = PreferenceManager.getDefaultSharedPreferences(getActivity());
      Editor editor = sharedPref.edit();
      editor.remove("path");
      editor.commit();
      
      pref.setSummary("Internal Storage");
    }
    
    if (_currentDialog != null) {
      _currentDialog.dismiss();
    }
  }
  
  // - MountManagerListener Methods
  @Override
  public void hasFoundMountPoints(List<Mount> mounts) {
    for (int i = 1; i <= 4; i++) {
      Iterator<Mount> mountIterator = mounts.iterator();
      while (mountIterator.hasNext()) {
        Mount mount = mountIterator.next();
        if (mount.priority == i) {
          _externalLocations.put(mount.name + ":" + mount.mount + ":" + mount.freeSpace + ":" + mount.totalSpace, mount.file);
          _mountpoints.add(mount.name + ":" + mount.mount + ":" + mount.freeSpace + ":" + mount.totalSpace);
        }
      }
    }
    
    ListView mountList = new ListView(this.getActivity().getBaseContext());
    ListViewAdapter adapter = new ListViewAdapter(this.getActivity().getBaseContext(), R.layout.list_view, _mountpoints.toArray(new String[_mountpoints.size()]));
    mountList.setAdapter(adapter);
    mountList.setOnItemClickListener(this);
    
    AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
    builder.setTitle(R.string.pref_path);
    builder.setView(mountList);
    _currentDialog = builder.show();
  }
  
  @Override
  public void hasFoundMountPointsDebugInfo(String external, String secondary, List<Mount> mounts) {
    StringBuilder body = new StringBuilder();
    body.append("OS Version:\r\n");
    body.append("\t" + System.getProperty("os.version") + "\r\n\r\n");
    body.append("API Level:\r\n");
    body.append("\t" + Build.VERSION.SDK_INT + "\r\n\r\n");
    body.append("Device:\r\n");
    body.append("\t" + Build.DEVICE + "\r\n\r\n");
    body.append("Model:\r\n");
    body.append("\t" + Build.MODEL + "\r\n\r\n");
    body.append("Product:\r\n");
    body.append("\t" + Build.PRODUCT + "\r\n\r\n");
    body.append("EXTERNAL_STORAGE Environment Variable:" + "\r\n");
    body.append("\t" + external + "\r\n\r\n");
    body.append("SECONDARY_STORAGE Environment Variable:" + "\r\n");
    body.append("\t" + secondary + "\r\n\r\n");
    body.append("MOUNT Command:" + "\r\n");
    
    Iterator<Mount> mountIterator = mounts.iterator();
    while (mountIterator.hasNext()) {
      Mount mount = mountIterator.next();
      body.append("\t" + mount.mountLine + "\r\n");
    }
    
    Intent i = new Intent(Intent.ACTION_SEND);
    i.setType("message/rfc822");
    i.putExtra(Intent.EXTRA_EMAIL  , new String[]{"steven@lepidusdevelopment.com"});
    i.putExtra(Intent.EXTRA_SUBJECT, "[MUSIC2SD] Support");
    i.putExtra(Intent.EXTRA_TEXT, body.toString());
    try {
        startActivity(Intent.createChooser(i, "Send mail..."));
    } catch (android.content.ActivityNotFoundException ex) {
        Toast.makeText(getActivity(), "There are no email clients installed.", Toast.LENGTH_SHORT).show();
    }
  }
  
  // - Private Methods
  private boolean isPackageExists(String targetPackage) {
    PackageManager pm = this.getActivity().getPackageManager();
    try{pm.getPackageInfo(targetPackage,PackageManager.GET_META_DATA);}
    catch (NameNotFoundException e){return false;}
    return true;
  }

  // - Threaded Asynchronous Task to handle SuperUser tasks.
  private class RootHelper extends AsyncTask<String, Void, Integer> {
    @Override
    protected Integer doInBackground(String... params) {
      int count = params.length;
      
      // Copy folders.
      if (count == 2) {
        Shell.SU.run("cp -r " + params[0] + " " + params[1]);
      }
      // Create Directories
      else if (count == 1) {
        Shell.SU.run("mkdir -p " + params[0]);
      }
      // Check for Root
      else {
        if (!Shell.SU.available()) {
          return 1;
        }
        else {
          if (!isPackageExists("de.robv.android.xposed.installer")) {
            return 2;
          }
        }
      }

      return 0;
    }
    
    protected void onPostExecute(Integer result) {
      if (result == 1) {
        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
        builder.setTitle(R.string.error);
        builder.setMessage(R.string.root_access);
        builder.setCancelable(false);
        builder.setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface arg0, int arg1) {
            getActivity().finish();
          }
        });
        builder.show();
      }
      else if (result == 2) {
        AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
        builder.setTitle(R.string.error);
        builder.setMessage(R.string.xposed_framework);
        builder.setCancelable(false);
        builder.setPositiveButton(R.string.download_xposed, new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface arg0, int arg1) {
            Intent browserIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://forum.xda-developers.com/showthread.php?t=1574401"));
            startActivity(browserIntent);
          }
        });
        builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
          @Override
          public void onClick(DialogInterface arg0, int arg1) {
            getActivity().finish();
          }
        });
        builder.show();
      }
    }
  }

  private class ListViewAdapter extends ArrayAdapter<String> {
    private final String[] _items;
    
    public ListViewAdapter(Context context, int textViewResourceId, String[] items) {
      super(context, textViewResourceId, items);
      _items = items;
    }
    
    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
      View v = convertView;
      
      if (v == null) {
        LayoutInflater vi = LayoutInflater.from(getContext());
        v = vi.inflate(R.layout.list_view, null);
      }
      
      String[] info = _items[position].split(":");
      
      TextView nameTextView = (TextView) v.findViewById(R.id.list_name);
      TextView pathTextView = (TextView) v.findViewById(R.id.list_path);
      TextView diskSpaceTextView = (TextView) v.findViewById(R.id.list_diskspace);
      
      nameTextView.setText(info[0]);
      pathTextView.setText(info[1]);
      if (info[2].equalsIgnoreCase("unk") || info[3].equalsIgnoreCase("unk")) {
        diskSpaceTextView.setText("");
      }
      else {
        diskSpaceTextView.setText(info[2] + "/" + info[3]);
      }
      
      return v;
    }
  }
}

Java Source Code List

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