wip on download files

app/src/main/AndroidManifest.xml

@@ -5,6 +5,7 @@
 
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 
     <application
         android:allowBackup="true"

app/src/main/java/org/mian/gitnex/activities/FileViewActivity.java

@@ -1,13 +1,18 @@
 package org.mian.gitnex.activities;
 
 import android.content.Context;
+import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
+import android.os.Environment;
 import android.text.method.ScrollingMovementMethod;
 import android.util.Base64;
 import android.util.Log;
+import android.view.Menu;
+import android.view.MenuInflater;
+import android.view.MenuItem;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
@@ -23,13 +28,21 @@ import com.pddstudio.highlightjs.models.Theme;
 import org.apache.commons.io.FilenameUtils;
 import org.mian.gitnex.R;
 import org.mian.gitnex.clients.RetrofitClient;
+import org.mian.gitnex.fragments.BottomSheetFileViewerFragment;
 import org.mian.gitnex.helpers.AlertDialogs;
 import org.mian.gitnex.helpers.Toasty;
 import org.mian.gitnex.models.Files;
 import org.mian.gitnex.util.AppUtil;
 import org.mian.gitnex.util.TinyDB;
+
+import java.io.File;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
+import java.util.Objects;
+
 import retrofit2.Call;
 import retrofit2.Callback;
 
@@ -37,7 +50,7 @@ import retrofit2.Callback;
  * Author M M Arif
  */
 
-public class FileViewActivity extends BaseActivity {
+public class FileViewActivity extends BaseActivity implements BottomSheetFileViewerFragment.BottomSheetListener {
 
     private View.OnClickListener onClickListener;
     private TextView singleFileContents;
@@ -134,6 +147,10 @@ public class FileViewActivity extends BaseActivity {
                         String fileExtension = FilenameUtils.getExtension(filename);
                         mProgressBar.setVisibility(View.GONE);
 
+                        // download contents
+                        tinyDb.putString("downloadFileName", filename);
+                        tinyDb.putString("downloadFileContents", response.body().getContent());
+
                         if(appUtil.imageExtension(fileExtension)) { // file is image
 
                             singleFileContentsFrame.setVisibility(View.GONE);
@@ -239,6 +256,74 @@ public class FileViewActivity extends BaseActivity {
 
     }
 
+    @Override
+    public boolean onCreateOptionsMenu(Menu menu) {
+        MenuInflater inflater = getMenuInflater();
+        inflater.inflate(R.menu.generic_nav_dotted_menu, menu);
+        return true;
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+
+        int id = item.getItemId();
+
+        switch (id) {
+            case android.R.id.home:
+                finish();
+                return true;
+            case R.id.genericMenu:
+                BottomSheetFileViewerFragment bottomSheet = new BottomSheetFileViewerFragment();
+                bottomSheet.show(getSupportFragmentManager(), "fileViewerBottomSheet");
+                return true;
+            default:
+                return super.onOptionsItemSelected(item);
+        }
+
+    }
+
+    @Override
+    public void onButtonClicked(String text) {
+
+        final TinyDB tinyDb = new TinyDB(getApplicationContext());
+
+        switch (text) {
+            case "downloadFile":
+                //startActivity(new Intent(FileViewActivity.this, CreateNewUserActivity.class));
+                byte[] img = tinyDb.getString("downloadFileContents").getBytes();
+                Bitmap bitmap = BitmapFactory.decodeByteArray(img, 0, tinyDb.getString("downloadFileContents").length());
+
+                /*new ImageSaver(getApplicationContext()).
+                        setFileName("1.jpg").
+                        setDirectoryName("images").
+                        save(bitmap);*/
+
+                final File dwldsPath = new File(Environment.getExternalStorageDirectory().getPath() + "/Download/1.pdf");
+                try {
+                    dwldsPath.createNewFile();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+                byte[] pdfAsBytes = Base64.decode(img, 0);
+                FileOutputStream os = null;
+                try {
+                    os = new FileOutputStream(dwldsPath, false);
+                    Objects.requireNonNull(os).write(pdfAsBytes);
+                    os.flush();
+                    os.close();
+                } catch (FileNotFoundException e) {
+                    e.printStackTrace();
+                } catch (IOException e) {
+                    e.printStackTrace();
+                }
+
+
+                Log.i("imgsaved", tinyDb.getString("downloadFileName"));
+                break;
+        }
+
+    }
+
     private void initCloseListener() {
         onClickListener = new View.OnClickListener() {
             @Override

app/src/main/java/org/mian/gitnex/fragments/BottomSheetFileViewerFragment.java

@@ -0,0 +1,57 @@
+package org.mian.gitnex.fragments;
+
+import android.content.Context;
+import android.os.Bundle;
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+import com.google.android.material.bottomsheet.BottomSheetDialogFragment;
+import org.mian.gitnex.R;
+
+/**
+ * Author M M Arif
+ */
+
+public class BottomSheetFileViewerFragment extends BottomSheetDialogFragment {
+
+    private BottomSheetFileViewerFragment.BottomSheetListener bmListener;
+
+    @Nullable
+    @Override
+    public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
+
+        View v = inflater.inflate(R.layout.bottom_sheet_file_viewer, container, false);
+
+        TextView downloadFile = v.findViewById(R.id.downloadFile);
+
+        downloadFile.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                bmListener.onButtonClicked("downloadFile");
+                dismiss();
+            }
+        });
+
+        return v;
+    }
+
+    public interface BottomSheetListener {
+        void onButtonClicked(String text);
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        super.onAttach(context);
+
+        try {
+            bmListener = (BottomSheetFileViewerFragment.BottomSheetListener) context;
+        } catch (ClassCastException e) {
+            throw new ClassCastException(context.toString()
+                    + " must implement BottomSheetListener");
+        }
+    }
+
+}

app/src/main/res/drawable/ic_file_download_24dp.xml

@@ -0,0 +1,5 @@
+<vector android:autoMirrored="true" android:height="24dp"
+    android:tint="#368F73" android:viewportHeight="24.0"
+    android:viewportWidth="24.0" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M19,9h-4V3H9v6H5l7,7 7,-7zM5,18v2h14v-2H5z"/>
+</vector>

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

@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical"
+    android:paddingBottom="8dp"
+    android:background="?attr/primaryBackgroundColor"
+    android:paddingTop="8dp">
+
+    <androidx.core.widget.NestedScrollView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:orientation="vertical"
+            android:layout_height="wrap_content">
+
+            <TextView
+                android:id="@+id/downloadFile"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical"
+                android:text="@string/downloadFile"
+                android:drawableStart="@drawable/ic_file_download_24dp"
+                android:drawablePadding="24dp"
+                android:textColor="?attr/primaryTextColor"
+                android:textSize="16sp"
+                android:padding="16dp" />
+
+        </LinearLayout>
+
+    </androidx.core.widget.NestedScrollView>
+
+</LinearLayout>

app/src/main/res/values/strings.xml

@@ -551,4 +551,5 @@
     <string name="mergePRSuccessMsg">Pull Request was merged successfully</string>
     <string name="mergePR404ErrorMsg">Pull Request is not available for merge</string>
 
+    <string name="downloadFile">Download</string>
 </resources>