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141 changes: 141 additions & 0 deletions
141
app/src/main/java/ua/kpi/comsys/io8227/jackshen/PictureAboutActivity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,141 @@ | ||
| package ua.kpi.comsys.io8227.jackshen; | ||
|
|
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| import android.Manifest; | ||
| import android.annotation.TargetApi; | ||
| import android.app.Activity; | ||
| import android.app.AlertDialog; | ||
| import android.app.DownloadManager; | ||
| import android.content.DialogInterface; | ||
| import android.content.pm.PackageManager; | ||
| import android.net.Uri; | ||
| import android.os.Build; | ||
| import android.os.Bundle; | ||
| import android.os.Environment; | ||
| import android.view.View; | ||
| import android.widget.Button; | ||
| import android.widget.ImageView; | ||
| import android.widget.TextView; | ||
| import android.widget.Toast; | ||
|
|
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| import androidx.annotation.RequiresApi; | ||
| import androidx.appcompat.app.AppCompatActivity; | ||
| import androidx.core.app.ActivityCompat; | ||
| import androidx.core.content.ContextCompat; | ||
|
|
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| import java.util.Objects; | ||
|
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| public class PictureAboutActivity extends AppCompatActivity { | ||
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| private static int REQUEST_CODE = 1; | ||
|
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| Picture fullPicture; | ||
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| @RequiresApi(api = Build.VERSION_CODES.KITKAT) | ||
| @Override | ||
| protected void onCreate(Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| setContentView(R.layout.activity_about_image); | ||
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| fullPicture = (Picture) getIntent().getSerializableExtra("image_full"); | ||
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| Button mDownloadButton = findViewById(R.id.action_download); | ||
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| ImageView picture = findViewById(R.id.thumbnail_view); | ||
|
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| if (Objects.requireNonNull(fullPicture).getImageUrl().equals("")) { | ||
| picture.setImageResource(R.drawable.noimage); | ||
| } else { | ||
| new PictureAdapter.DownloadImage(picture).execute(fullPicture.getImageUrl()); | ||
| } | ||
|
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| ImageView authorImage = findViewById(R.id.author_img); | ||
| if (Objects.requireNonNull(fullPicture).getUserImage().equals("")) { | ||
| authorImage.setImageResource(R.drawable.noimage); | ||
| } else { | ||
| new PictureAdapter.DownloadImage(authorImage).execute(fullPicture.getUserImage()); | ||
| } | ||
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| TextView author = findViewById(R.id.txt_view_author); | ||
| author.setText(fullPicture.getUser()); | ||
|
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| TextView likes = findViewById(R.id.txt_view_like); | ||
| likes.setText(fullPicture.getLikes()); | ||
|
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| TextView favorites = findViewById(R.id.txt_view_favorite); | ||
| favorites.setText(fullPicture.getFavorites()); | ||
|
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| TextView downloads = findViewById(R.id.txt_view_downloads); | ||
| String imgDownloads = "Downloads: " + fullPicture.getDownloads(); | ||
| downloads.setText(imgDownloads); | ||
|
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| TextView size = findViewById(R.id.txt_view_size); | ||
| String imgSize = "Size: " + fullPicture.getImageWidth() + "x" + fullPicture.getImageHeight(); | ||
| size.setText(imgSize); | ||
|
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| mDownloadButton.setOnClickListener(new View.OnClickListener() { | ||
| @Override | ||
| public void onClick(View view) { | ||
| if(checkPermission()) { | ||
| downloadImage(); | ||
| } | ||
| } | ||
| }); | ||
| } | ||
|
|
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| public boolean checkPermission() | ||
| { | ||
| int currentAPIVersion = Build.VERSION.SDK_INT; | ||
| if(currentAPIVersion>=android.os.Build.VERSION_CODES.M) | ||
| { | ||
| if (ContextCompat.checkSelfPermission(this, android.Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) { | ||
| if (ActivityCompat.shouldShowRequestPermissionRationale(this, android.Manifest.permission.WRITE_EXTERNAL_STORAGE)) { | ||
| AlertDialog.Builder alertBuilder = new AlertDialog.Builder(this); | ||
| alertBuilder.setCancelable(true); | ||
| alertBuilder.setTitle("Permission necessary"); | ||
| alertBuilder.setMessage("To download a file it is necessary to allow required permission"); | ||
| alertBuilder.setPositiveButton(android.R.string.yes, new DialogInterface.OnClickListener() { | ||
| @TargetApi(Build.VERSION_CODES.JELLY_BEAN) | ||
| public void onClick(DialogInterface dialog, int which) { | ||
| ActivityCompat.requestPermissions(PictureAboutActivity.this, new String[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE}, REQUEST_CODE); | ||
| } | ||
| }); | ||
| AlertDialog alert = alertBuilder.create(); | ||
| alert.show(); | ||
| } else { | ||
| ActivityCompat.requestPermissions(this, new String[]{android.Manifest.permission.WRITE_EXTERNAL_STORAGE}, REQUEST_CODE); | ||
| } | ||
| return false; | ||
| } else { | ||
| return true; | ||
| } | ||
| } else { | ||
| return true; | ||
| } | ||
| } | ||
|
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|
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| private void downloadImage() { | ||
| String url = fullPicture.getImageUrl(); | ||
| String name = getImageNameFromUrl(url); | ||
|
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| DownloadManager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE); | ||
| DownloadManager.Request request = new DownloadManager.Request(Uri.parse(url)); | ||
|
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| request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI | ||
| | DownloadManager.Request.NETWORK_MOBILE) | ||
| .setAllowedOverRoaming(false) | ||
| .setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE_NOTIFY_COMPLETED) | ||
| .setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, name); | ||
|
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| if (downloadManager != null) { | ||
| downloadManager.enqueue(request); | ||
| } else { | ||
| Toast.makeText(PictureAboutActivity.this, "Cannot download image", Toast.LENGTH_SHORT).show(); | ||
| } | ||
| } | ||
|
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| public static String getImageNameFromUrl(String url) { | ||
| int index = url.lastIndexOf("/"); | ||
| return url.substring(index); | ||
| } | ||
| } |
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