Added support for SD cards

app/src/main/java/com/mauriciotogneri/fileexplorer/adapters/StorageAdapter.java

@@ -0,0 +1,39 @@
+package com.mauriciotogneri.fileexplorer.adapters;
+
+import android.content.Context;
+import android.view.View;
+import android.widget.TextView;
+
+import com.mauriciotogneri.fileexplorer.R;
+import com.mauriciotogneri.fileexplorer.adapters.StorageAdapter.ViewHolder;
+import com.mauriciotogneri.fileexplorer.base.BaseListAdapter;
+
+public class StorageAdapter extends BaseListAdapter<String, ViewHolder>
+{
+    public StorageAdapter(Context context)
+    {
+        super(context, R.layout.row_storage);
+    }
+
+    @Override
+    protected ViewHolder getViewHolder(View view)
+    {
+        return new ViewHolder(view);
+    }
+
+    @Override
+    protected void fillView(View rowView, ViewHolder viewHolder, String item)
+    {
+        viewHolder.name.setText(item);
+    }
+
+    protected static class ViewHolder
+    {
+        public final TextView name;
+
+        public ViewHolder(View view)
+        {
+            this.name = (TextView) view.findViewById(R.id.name);
+        }
+    }
+}

app/src/main/java/com/mauriciotogneri/fileexplorer/app/MainActivity.java

@@ -4,22 +4,28 @@
 import android.os.Environment;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentTransaction;
+import android.support.v4.content.ContextCompat;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.Toolbar;
 import android.widget.TextView;
 
 import com.mauriciotogneri.fileexplorer.R;
 import com.mauriciotogneri.fileexplorer.fragments.FolderFragment;
+import com.mauriciotogneri.fileexplorer.fragments.StorageFragment;
 import com.mauriciotogneri.fileexplorer.models.ButtonBar;
 import com.mauriciotogneri.fileexplorer.models.Clipboard;
 import com.mauriciotogneri.fileexplorer.models.ToolBar;
 
+import java.io.File;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Stack;
 
 public class MainActivity extends AppCompatActivity
 {
     private ToolBar toolBar;
     private ButtonBar buttonBar;
+    private StorageFragment storageFragment = null;
     private final Stack<FolderFragment> fragments = new Stack<>();
     private final Clipboard clipboard = new Clipboard();
 
@@ -35,10 +41,53 @@ protected void onCreate(Bundle savedInstanceState)
         this.toolBar = new ToolBar((TextView) findViewById(R.id.folderName));
         this.buttonBar = new ButtonBar(findViewById(R.id.buttonBar), fragments);
 
-        String root = Environment.getExternalStorageDirectory().getAbsolutePath();
-        FolderFragment folderFragment = FolderFragment.newInstance(root);
+        String[] storages = storages();
 
-        addFragment(folderFragment, false);
+        if (storages.length > 1)
+        {
+            storageFragment = StorageFragment.newInstance(storages);
+
+            FragmentManager fragmentManager = getSupportFragmentManager();
+
+            FragmentTransaction transaction = fragmentManager.beginTransaction();
+            transaction.setCustomAnimations(R.anim.enter_from_right, R.anim.exit_to_right, R.anim.enter_from_right, R.anim.exit_to_right);
+            transaction.add(R.id.fragmentContainer, storageFragment);
+            transaction.addToBackStack(null);
+            transaction.commit();
+
+            toolBar.update(getString(R.string.app_name));
+        }
+        else
+        {
+            String root = Environment.getExternalStorageDirectory().getAbsolutePath();
+            FolderFragment folderFragment = FolderFragment.newInstance(root);
+
+            addFragment(folderFragment, false);
+        }
+    }
+
+    private String[] storages()
+    {
+        List<String> storages = new ArrayList<>();
+
+        File[] externalStorageFiles = ContextCompat.getExternalFilesDirs(this, null);
+
+        String base = String.format("/Android/data/%s/files", getPackageName());
+
+        for (File file : externalStorageFiles)
+        {
+            String path = file.getAbsolutePath();
+
+            if (path.contains(base))
+            {
+                storages.add(path.replace(base, ""));
+            }
+        }
+
+        String[] result = new String[storages.size()];
+        storages.toArray(result);
+
+        return result;
     }
 
     public void addFragment(FolderFragment fragment, boolean addToBackStack)
@@ -105,13 +154,26 @@ public void onBackPressed()
 
             if (fragment.onBackPressed())
             {
-                if (fragments.size() > 1)
+                if (storageFragment == null)
                 {
-                    removeFragment(fragment);
+                    if (fragments.size() > 1)
+                    {
+                        removeFragment(fragment);
+                    }
+                    else
+                    {
+                        finish();
+                    }
                 }
                 else
                 {
-                    finish();
+                    removeFragment(fragment);
+
+                    if (fragments.isEmpty())
+                    {
+                        toolBar.update(getString(R.string.app_name));
+                        buttonBar.displayButtons(0, false, false);
+                    }
                 }
             }
         }

app/src/main/java/com/mauriciotogneri/fileexplorer/base/BaseListAdapter.java

@@ -1,6 +1,7 @@
 package com.mauriciotogneri.fileexplorer.base;
 
 import android.content.Context;
+import android.support.annotation.NonNull;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -32,8 +33,9 @@ public void update(List<T> list)
     }
 
     @Override
+    @NonNull
     @SuppressWarnings("unchecked")
-    public View getView(int position, View convertView, ViewGroup parent)
+    public View getView(int position, View convertView, @NonNull ViewGroup parent)
     {
         V viewHolder;
 

app/src/main/java/com/mauriciotogneri/fileexplorer/fragments/StorageFragment.java

@@ -0,0 +1,87 @@
+package com.mauriciotogneri.fileexplorer.fragments;
+
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.AdapterView;
+import android.widget.AdapterView.OnItemClickListener;
+import android.widget.ListView;
+
+import com.mauriciotogneri.fileexplorer.R;
+import com.mauriciotogneri.fileexplorer.adapters.StorageAdapter;
+import com.mauriciotogneri.fileexplorer.app.MainActivity;
+
+import java.util.Arrays;
+
+public class StorageFragment extends Fragment
+{
+    private static final String PARAMETER_STORAGES_PATH = "storages.path";
+
+    private MainActivity mainActivity;
+    private ListView listView;
+
+    public static StorageFragment newInstance(String[] storagesPath)
+    {
+        StorageFragment fragment = new StorageFragment();
+        Bundle parameters = new Bundle();
+        parameters.putStringArray(PARAMETER_STORAGES_PATH, storagesPath);
+        fragment.setArguments(parameters);
+
+        return fragment;
+    }
+
+    @Override
+    public void onAttach(Context context)
+    {
+        super.onAttach(context);
+
+        mainActivity = (MainActivity) context;
+    }
+
+    @Override
+    public final View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
+    {
+        View view = inflater.inflate(R.layout.screen_storage, container, false);
+
+        listView = (ListView) view.findViewById(R.id.list);
+
+        return view;
+    }
+
+    @Override
+    public final void onActivityCreated(Bundle savedInstanceState)
+    {
+        super.onActivityCreated(savedInstanceState);
+
+        StorageAdapter adapter = new StorageAdapter(mainActivity);
+        adapter.update(Arrays.asList(storages()));
+
+        listView.setAdapter(adapter);
+        listView.setOnItemClickListener(new OnItemClickListener()
+        {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id)
+            {
+                String storagePath = (String) parent.getItemAtPosition(position);
+                openStorage(storagePath);
+            }
+        });
+    }
+
+    private String[] storages()
+    {
+        Bundle extras = getArguments();
+
+        return extras.getStringArray(PARAMETER_STORAGES_PATH);
+    }
+
+    private void openStorage(String storagePath)
+    {
+        FolderFragment folderFragment = FolderFragment.newInstance(storagePath);
+
+        mainActivity.addFragment(folderFragment, true);
+    }
+}

app/src/main/java/com/mauriciotogneri/fileexplorer/models/ToolBar.java

@@ -17,4 +17,9 @@ public void update(FolderFragment fragment)
     {
         folderName.setText(fragment.folderName());
     }
+
+    public void update(String title)
+    {
+        folderName.setText(title);
+    }
 }

app/src/main/res/drawable/ic_copy.xml

@@ -1,9 +1,18 @@
-<vector android:height="24dp" android:viewportHeight="512.0"
-    android:viewportWidth="512.0" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillAlpha="1" android:fillColor="#ffffff"
+<vector android:height="24dp"
+        android:viewportHeight="512.0"
+        android:viewportWidth="512.0"
+        android:width="24dp"
+        xmlns:android="http://schemas.android.com/apk/res/android">
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#ffffff"
         android:pathData="M236.5,121.8A15.3,15.3 0,0 0,234.4 122L98.8,122A15.3,15.3 0,0 0,83.4 137.3L83.4,451.6A15.3,15.3 86.1,0 0,98.8 466.9L336.4,466.9A15.3,15.3 0,0 0,351.7 451.6L351.7,239.4A15.3,15.3 0,0 0,345.9 224.8L248.8,127.7A15.3,15.3 94.1,0 0,236.5 121.8ZM114.1,152.6 L221.4,152.6 221.4,234.5A15.3,15.3 94.1,0 0,225.8 247.9,15.3 15.3,0 0,0 225.9,248 15.3,15.3 94.1,0 0,226.2 248.2,15.3 15.3,0 0,0 239.3,252.3L321.1,252.3 321.1,436.2 114.1,436.2 114.1,152.6ZM252.1,174.3 L299.4,221.6 252.1,221.6 252.1,174.3Z"
-        android:strokeColor="#00000000" android:strokeWidth="40"/>
-    <path android:fillAlpha="1" android:fillColor="#ffffff"
+        android:strokeColor="#00000000"
+        android:strokeWidth="40"/>
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#ffffff"
         android:pathData="M313.2,45.1C312.4,45.1 311.7,45.2 311,45.3L175.4,45.3C171.4,45.3 167.4,47 164.6,49.8 161.7,52.7 160.1,56.7 160.1,60.7L160.1,102.8 190.8,102.8 190.8,76 298.1,76 298.1,138.6 335.1,175.6 397.7,175.6 397.7,359.6 370.9,359.6 370.9,390.3 413,390.3C417,390.3 421,388.6 423.9,385.8 426.7,382.9 428.4,378.9 428.4,374.9L428.4,162.8C429.3,157.4 427,151.5 422.6,148.2L325.5,51C322.6,47.3 317.9,45 313.2,45.1ZM328.7,97.7 L376,145 328.7,145Z"
-        android:strokeColor="#00000000" android:strokeWidth="40"/>
+        android:strokeColor="#00000000"
+        android:strokeWidth="40"/>
 </vector>

app/src/main/res/drawable/ic_cut.xml

@@ -1,6 +1,12 @@
-<vector android:height="24dp" android:viewportHeight="23.0"
-    android:viewportWidth="23.0" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillAlpha="1" android:fillColor="#ffffff"
+<vector android:height="24dp"
+        android:viewportHeight="23.0"
+        android:viewportWidth="23.0"
+        android:width="24dp"
+        xmlns:android="http://schemas.android.com/apk/res/android">
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#ffffff"
         android:pathData="M9.258,6.12C9.258,4.147 7.644,2.533 5.672,2.533 3.699,2.533 2.085,4.147 2.085,6.12 2.085,8.093 3.699,9.707 5.672,9.707 6.21,9.707 6.658,9.617 7.106,9.348L9.258,11.5 7.106,13.652C6.658,13.383 6.21,13.293 5.672,13.293 3.699,13.293 2.085,14.907 2.085,16.88 2.085,18.853 3.699,20.467 5.672,20.467 7.644,20.467 9.258,18.853 9.258,16.88 9.258,16.342 9.169,15.894 8.9,15.445L11.052,13.293 17.328,19.57 20.915,19.57 8.9,7.555C9.169,7.106 9.258,6.658 9.258,6.12L9.258,6.12ZM5.672,7.913C4.685,7.913 3.878,7.106 3.878,6.12 3.878,5.133 4.685,4.326 5.672,4.326 6.658,4.326 7.465,5.133 7.465,6.12 7.465,7.106 6.658,7.913 5.672,7.913L5.672,7.913ZM5.672,18.674C4.685,18.674 3.878,17.867 3.878,16.88 3.878,15.894 4.685,15.087 5.672,15.087 6.658,15.087 7.465,15.894 7.465,16.88 7.465,17.867 6.658,18.674 5.672,18.674L5.672,18.674ZM11.052,11.052C11.321,11.052 11.5,11.231 11.5,11.5 11.5,11.769 11.321,11.948 11.052,11.948 10.783,11.948 10.603,11.769 10.603,11.5 10.603,11.231 10.783,11.052 11.052,11.052L11.052,11.052ZM20.915,3.43 L17.328,3.43 11.948,8.81 13.742,10.603 20.915,3.43 20.915,3.43Z"
-        android:strokeColor="#00000000" android:strokeWidth="1"/>
+        android:strokeColor="#00000000"
+        android:strokeWidth="1"/>
 </vector>

app/src/main/res/drawable/ic_paste.xml

@@ -1,6 +1,12 @@
-<vector android:height="24dp" android:viewportHeight="22.0"
-    android:viewportWidth="22.0" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
-    <path android:fillAlpha="1" android:fillColor="#ffffff"
+<vector android:height="24dp"
+        android:viewportHeight="22.0"
+        android:viewportWidth="22.0"
+        android:width="24dp"
+        xmlns:android="http://schemas.android.com/apk/res/android">
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#ffffff"
         android:pathData="M16.547,3.869 L13.219,3.869C12.902,2.918 12.03,2.284 11,2.284 9.97,2.284 9.098,2.918 8.781,3.869L5.453,3.869C4.582,3.869 3.869,4.582 3.869,5.453L3.869,18.131C3.869,19.003 4.582,19.716 5.453,19.716L16.547,19.716C17.418,19.716 18.131,19.003 18.131,18.131L18.131,5.453C18.131,4.582 17.418,3.869 16.547,3.869L16.547,3.869ZM11,3.869C11.475,3.869 11.792,4.186 11.792,4.661 11.792,5.136 11.475,5.453 11,5.453 10.525,5.453 10.208,5.136 10.208,4.661 10.208,4.186 10.525,3.869 11,3.869L11,3.869ZM16.547,18.131 L5.453,18.131 5.453,5.453 7.038,5.453 7.038,7.831 14.962,7.831 14.962,5.453 16.547,5.453 16.547,18.131 16.547,18.131Z"
-        android:strokeColor="#00000000" android:strokeWidth="1"/>
+        android:strokeColor="#00000000"
+        android:strokeWidth="1"/>
 </vector>

app/src/main/res/drawable/ic_sd_card.xml

@@ -0,0 +1,34 @@
+<vector android:height="24dp"
+        android:viewportHeight="399.917"
+        android:viewportWidth="399.917"
+        android:width="24dp"
+        xmlns:android="http://schemas.android.com/apk/res/android">
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#646464"
+        android:pathData="M66.8,95 L137.7,24.1C139,22.8 140.8,22 142.7,22L306.8,22C322.5,22 335.2,34.8 335.2,50.5L335.2,349.4C335.2,365.1 322.5,377.9 306.8,377.9L93.2,377.9C77.5,377.9 64.7,365.1 64.7,349.4L64.7,100C64.7,98.1 65.4,96.3 66.8,95ZM78.9,349.4C78.9,357.3 85.3,363.7 93.2,363.7L306.8,363.7C314.6,363.7 321,357.3 321,349.4L321,50.5C321,42.6 314.6,36.2 306.8,36.2L145.7,36.2 78.9,103 78.9,349.4Z"/>
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#646464"
+        android:pathData="M292.1,92.9C288.1,92.9 285,89.7 285,85.8L285,57.7C285,53.8 288.1,50.6 292.1,50.6 296,50.6 299.2,53.8 299.2,57.7L299.2,85.8C299.2,89.7 296,92.9 292.1,92.9Z"/>
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#646464"
+        android:pathData="M256.5,92.9C252.6,92.9 249.4,89.7 249.4,85.8L249.4,57.7C249.4,53.8 252.6,50.6 256.5,50.6 260.4,50.6 263.6,53.8 263.6,57.7L263.6,85.8C263.6,89.7 260.4,92.9 256.5,92.9Z"/>
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#646464"
+        android:pathData="M220.9,92.9C217,92.9 213.8,89.7 213.8,85.8L213.8,57.7C213.8,53.8 217,50.6 220.9,50.6 224.9,50.6 228,53.8 228,57.7L228,85.8C228,89.7 224.9,92.9 220.9,92.9Z"/>
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#646464"
+        android:pathData="M185.4,92.9C181.4,92.9 178.2,89.7 178.2,85.8L178.2,57.7C178.2,53.8 181.4,50.6 185.4,50.6 189.3,50.6 192.5,53.8 192.5,57.7L192.5,85.8C192.5,89.7 189.3,92.9 185.4,92.9Z"/>
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#646464"
+        android:pathData="M156.9,57.7 L156.9,85.8C156.9,89.7 153.7,92.9 149.8,92.9 145.9,92.9 142.7,89.7 142.7,85.8L142.7,57.7C142.7,53.8 145.9,50.6 149.8,50.6 153.7,50.6 156.9,53.8 156.9,57.7Z"/>
+    <path
+        android:fillAlpha="1"
+        android:fillColor="#646464"
+        android:pathData="M164.1,185.5 L278.3,185.5C290.1,185.5 299.6,195 299.6,206.8L299.6,313.6C299.6,325.4 290.1,335 278.3,335L121.6,335C109.9,335 100.3,325.4 100.3,313.6L100.3,206.8C100.3,195 109.9,185.5 121.6,185.5L135.9,185.5M164.1,185.5C174.6,187.1 171.8,199.5 164.1,199.7L121.6,199.7C117.7,199.7 114.5,202.9 114.5,206.8L114.5,313.6C114.5,317.5 117.7,320.7 121.6,320.7L278.3,320.7C282.2,320.7 285.4,317.5 285.4,313.6L285.4,206.8C285.4,202.9 282.2,199.7 278.3,199.7L164.1,199.7C153.7,198.1 156.5,185.7 164.1,185.5"/>
+</vector>

app/src/main/res/layout/row_file.xml

@@ -17,8 +17,7 @@
             android:id="@+id/icon"
             android:layout_width="40dp"
             android:layout_height="40dp"
-            android:layout_gravity="center"
-            tools:ignore="RtlHardcoded"/>
+            android:layout_gravity="center"/>
 
         <TextView
             android:id="@+id/extension"
@@ -49,7 +48,7 @@
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:ellipsize="end"
-            android:singleLine="true"
+            android:maxLines="1"
             tools:text="@string/dummy_text"/>
 
         <TextView