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(Android) Rudimentary filebrowser code - copy/paste of a copy/paste

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from a tutorial for now - we'll slim it down and extend it later
This commit is contained in:
Twinaphex 2012-06-19 09:08:07 +02:00
parent b07f73d302
commit bc36993f8b
10 changed files with 445 additions and 63 deletions
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1
android/AndroidManifest.xml
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@ -19,6 +19,7 @@
</intent-filter>
</activity>
<activity android:label="@string/app_name" android:name="rombrowser" />
<activity android:label="@string/app_name" android:name="com.retroarch.fileio.FileChooser" />
</application>
<!-- Tell the system this app requires OpenGL ES 2.0. -->
<uses-feature android:glEsVersion="0x00020000" android:required="true" />

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android/bin/classes/com/retroarch/R$drawable.class
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android/bin/classes/com/retroarch/R$layout.class
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android/bin/classes/com/retroarch/R$string.class
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43
android/gen/com/retroarch/R.java
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@ -11,27 +11,36 @@ public final class R {
public static final class attr {
}
public static final class drawable {
public static final int ic_action_close=0x7f020000;
public static final int ic_action_history=0x7f020001;
public static final int ic_action_load=0x7f020002;
public static final int ic_action_main=0x7f020003;
public static final int ic_action_open=0x7f020004;
public static final int ic_action_save=0x7f020005;
public static final int ic_action_settings=0x7f020006;
public static final int ic_launcher=0x7f020007;
public static final int directory_icon=0x7f020000;
public static final int directory_up=0x7f020001;
public static final int file_icon=0x7f020002;
public static final int ic_action_close=0x7f020003;
public static final int ic_action_history=0x7f020004;
public static final int ic_action_load=0x7f020005;
public static final int ic_action_main=0x7f020006;
public static final int ic_action_open=0x7f020007;
public static final int ic_action_save=0x7f020008;
public static final int ic_action_settings=0x7f020009;
public static final int ic_launcher=0x7f02000a;
}
public static final class id {
public static final int close=0x7f060002;
public static final int history=0x7f060005;
public static final int load=0x7f060003;
public static final int main=0x7f060000;
public static final int open=0x7f060001;
public static final int save=0x7f060004;
public static final int settings=0x7f060006;
public static final int TextView01=0x7f060002;
public static final int TextView02=0x7f060003;
public static final int close=0x7f060006;
public static final int fileChooserSubmit=0x7f060000;
public static final int fileChooserView=0x7f060001;
public static final int history=0x7f060009;
public static final int load=0x7f060007;
public static final int main=0x7f060004;
public static final int open=0x7f060005;
public static final int save=0x7f060008;
public static final int settings=0x7f06000a;
}
public static final class layout {
public static final int main=0x7f030000;
public static final int rombrowser=0x7f030001;
public static final int file_choose=0x7f030000;
public static final int file_view=0x7f030001;
public static final int main=0x7f030002;
public static final int rombrowser=0x7f030003;
}
public static final class menu {
public static final int main_menu=0x7f050000;

118
android/src/com/retroarch/fileio/FileArrayAdapter.java Normal file
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@ -0,0 +1,118 @@
package com.retroarch.fileio;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Set;
import com.retroarch.R;
import com.retroarch.R.layout;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.SectionIndexer;
import android.widget.TextView;
public class FileArrayAdapter extends ArrayAdapter<Option> implements SectionIndexer
{
HashMap<String, Integer> alphaIndexer;
String[] sections;
private Context c;
private int id;
private List<Option>items;
public FileArrayAdapter(Context context, int textViewResourceId,
List<Option> objects) {
super(context, textViewResourceId, objects);
c = context;
id = textViewResourceId;
items = objects;
initAlphaIndexer();
}
private void initAlphaIndexer()
{
alphaIndexer = new HashMap<String, Integer>();
int size = items.size();
for (int x = 0; x < size; x++) {
Option o = items.get(x);
String ch = o.getName().substring(0, 1);
ch = ch.toUpperCase();
if (!alphaIndexer.containsKey(ch))
{
alphaIndexer.put(ch, x);
}
}
Set<String> sectionLetters = alphaIndexer.keySet();
ArrayList<String> sectionList = new ArrayList<String>(sectionLetters);
Collections.sort(sectionList);
sections = new String[sectionList.size()];
sectionList.toArray(sections);
}
public Option getItem(int i)
{
return items.get(i);
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View v = convertView;
if (v == null) {
LayoutInflater vi = (LayoutInflater)c.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
v = vi.inflate(id, null);
}
final Option o = items.get(position);
if (o != null) {
TextView t1 = (TextView) v.findViewById(R.id.TextView01);
TextView t2 = (TextView) v.findViewById(R.id.TextView02);
if(t1!=null)
{
t1.setText(o.getName());
}
if(t2!=null)
{
t2.setText(o.getData());
}
}
return v;
}
public int getPositionForSection(int section)
{
// FIXME
if (section >= sections.length)
{
return 0;
}
return alphaIndexer.get(sections[section]);
}
public int getSectionForPosition(int position)
{
return 1;
}
public Object[] getSections()
{
return sections;
}
}

264
android/src/com/retroarch/fileio/FileChooser.java Normal file
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@ -0,0 +1,264 @@
package com.retroarch.fileio;
import java.io.File;
import java.io.FileInputStream;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Stack;
import com.retroarch.R;
import com.retroarch.main;
import com.retroarch.R.layout;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
import android.view.KeyEvent;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.Toast;
public class FileChooser extends Activity
{
private static final String LOG_TAG = "FileChooser";
public static final String EXTRA_START_DIR = "StartDir";
public static final String EXTRA_EXTENSIONS = "Extensions";
public static final String EXTRA_TEMP_DIR = "TempDir";
public static final String EXTRA_SELECT_DIR = "SelectDir";
public static final String PAYLOAD_FILENAME = "Filename";
public static final String PAYLOAD_SELECTED_DIR = "DirSelected";
private File currentDir;
private FileArrayAdapter adapter;
private String _startDir;
private String _extensions;
private String _tempDir;
private String _selectDir;
private Stack<String> _dirStack;
private ListView _view;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.file_choose);
_view = (ListView)findViewById(R.id.fileChooserView);
_startDir = getIntent().getStringExtra(EXTRA_START_DIR);
_extensions = getIntent().getStringExtra(EXTRA_EXTENSIONS);
_tempDir = getIntent().getStringExtra(EXTRA_TEMP_DIR);
_selectDir = getIntent().getStringExtra(EXTRA_SELECT_DIR);
// clamp start dir and remove the /
if (_startDir == null)
{
_startDir = Environment.getExternalStorageDirectory().getAbsolutePath();
}
else if (_startDir.endsWith("/"))
{
_startDir = _startDir.substring(0, _startDir.length() - 1);
}
// push the start dir onto the stack
_dirStack = new Stack<String>();
_dirStack.push(_startDir);
// clamp extentions to all or extra specified
if (_extensions == null)
{
_extensions = ".*";
}
// clamp temp dir
if (_tempDir == null)
{
_tempDir = Environment.getExternalStorageDirectory().getAbsolutePath();
}
// regular filesystem dir
currentDir = new File(_startDir);
fill(currentDir);
// are we dir selecting?, add button
if (_selectDir == null)
{
// hide button
Button b = (Button)findViewById(R.id.fileChooserSubmit);
b.setVisibility(Button.GONE);
}
else
{
// add on click submit
Button b = (Button)findViewById(R.id.fileChooserSubmit);
b.setOnClickListener(new OnClickListener()
{
public void onClick(View v)
{
String s = _dirStack.peek();
Toast.makeText(FileChooser.this, "Selected: " + s, Toast.LENGTH_SHORT).show();
Intent intent=new Intent();
intent.putExtra(FileChooser.PAYLOAD_SELECTED_DIR, s);
setResult(RESULT_OK, intent);
finish();
}
});
}
}
public boolean onCreateOptionsMenu(Menu menu)
{
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main_menu, menu);
return true;
}
public boolean onOptionsItemSelected(MenuItem item)
{
switch (item.getItemId())
{
case R.id.main:
this.finish();
break;
case R.id.open:
//TODO: Return to root dir
break;
default:
Toast.makeText(this, "MenuItem " + item.getTitle() + " selected.", Toast.LENGTH_SHORT).show();
break;
}
return true;
}
private void fill(File f)
{
File[]dirs = f.listFiles();
this.setTitle("Current Dir: "+f.getAbsolutePath());
List<Option>dir = new ArrayList<Option>();
List<Option>fls = new ArrayList<Option>();
try
{
for(File ff: dirs)
{
if(ff.isDirectory())
{
dir.add(new Option(ff.getName() + "/","Folder",ff.getAbsolutePath()));
}
else
{
int dotIndex = ff.getName().lastIndexOf('.');
if (dotIndex > 0)
{
String extension = ff.getName().substring(dotIndex+1).toLowerCase();
if (extension.matches(_extensions))
{
fls.add(new Option(ff.getName(),"File Size: "+ff.length(),ff.getAbsolutePath()));
}
}
}
}
}
catch(Exception e)
{
}
Collections.sort(dir);
Collections.sort(fls);
dir.addAll(fls);
dir.add(0,new Option("..", "Parent Directory", f.getParent()));
adapter = new FileArrayAdapter(FileChooser.this,R.layout.file_view,dir);
_view.setAdapter(adapter);
_view.setOnItemClickListener(new OnItemClickListener()
{
public void onItemClick(AdapterView<?> arg0, View arg1,
int arg2, long arg3)
{
int pos = arg0.getPositionForView(arg1);
Option o = adapter.getItem(pos);
if(o.getData().equalsIgnoreCase("folder")||o.getData().equalsIgnoreCase("parent directory"))
{
if (o.getPath() != null)
{
currentDir = new File(o.getPath());
fill(currentDir);
_dirStack.push(o.getPath());
}
}
else
{
String path = o.getPath();
int dotIndex = path.lastIndexOf('.');
String ext = null;
if (dotIndex >= 0)
{
ext = path.substring(dotIndex+1).toLowerCase();
}
onFileClick(o);
}
}
});
}
private void onFileClick(Option o)
{
Toast.makeText(this, "File Clicked: "+o.getName(), Toast.LENGTH_SHORT).show();
Intent intent=new Intent();
intent.putExtra(FileChooser.PAYLOAD_FILENAME, o.getPath());
setResult(RESULT_OK, intent);
finish();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK)
{
if (_dirStack.size() > 1)
{
_dirStack.pop();
File file = new File(_dirStack.peek());
currentDir = file;
fill(currentDir);
}
else
{
Intent intent = new Intent();
setResult(RESULT_OK, intent);
finish();
}
return true;
}
return super.onKeyDown(keyCode, event);
}
}

34
android/src/com/retroarch/fileio/Option.java Normal file
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@ -0,0 +1,34 @@
package com.retroarch.fileio;
public class Option implements Comparable<Option>
{
private String name;
private String data;
private String path;
public Option(String n,String d,String p)
{
name = n;
data = d;
path = p;
}
public String getName()
{
return name;
}
public String getData()
{
return data;
}
public String getPath()
{
return path;
}
public int compareTo(Option o) {
if(this.name != null)
return this.name.toLowerCase().compareTo(o.getName().toLowerCase());
else
throw new IllegalArgumentException();
}
}

3
android/src/com/retroarch/main.java
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@ -3,6 +3,7 @@ package com.retroarch;
import com.retroarch.R;
import com.retroarch.R.id;
import com.retroarch.R.menu;
import com.retroarch.fileio.FileChooser;
import android.app.Activity;
import android.content.Intent;
@ -42,7 +43,7 @@ public class main extends Activity
this.finish();
break;
case R.id.open:
Intent myIntent = new Intent(main.this, rombrowser.class);
Intent myIntent = new Intent(main.this, FileChooser.class);
main.this.startActivity(myIntent);
break;
default:

45
android/src/com/retroarch/rombrowser.java
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@ -1,45 +0,0 @@
package com.retroarch;
import com.retroarch.R.layout;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.widget.Toast;
public class rombrowser extends Activity {
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.rombrowser);
}
public boolean onCreateOptionsMenu(Menu menu)
{
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.main_menu, menu);
return true;
}
public boolean onOptionsItemSelected(MenuItem item)
{
switch (item.getItemId())
{
case R.id.main:
this.finish();
break;
case R.id.open:
break;
default:
Toast.makeText(this, "MenuItem " + item.getTitle() + " selected.", Toast.LENGTH_SHORT).show();
break;
}
return true;
}
}