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Commit 1993602

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saketkumartimabbott
saketkumar
authored and
timabbott
committed
Downloads the image and save it to files storage
1 parent 50b3404 commit 1993602

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5 files changed

+226
-10
lines changed

5 files changed

+226
-10
lines changed

‎app/src/main/AndroidManifest.xml

Lines changed: 3 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -8,9 +8,7 @@
88
<uses-permission android:name="android.permission.WAKE_LOCK" />
99
<uses-permission android:name="com.google.android.c2dm.permission.RECEIVE" />
1010
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
11-
<uses-permission
12-
android:name="android.permission.WRITE_EXTERNAL_STORAGE"
13-
android:maxSdkVersion="18" />
11+
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
1412

1513
<uses-feature
1614
android:name="android.hardware.camera"
@@ -70,7 +68,8 @@
7068
</activity>
7169
<activity
7270
android:name=".activities.PhotoViewActivity"
73-
android:parentActivityName=".activities.ZulipActivity" >
71+
android:parentActivityName=".activities.ZulipActivity"
72+
tools:ignore="UnusedAttribute">
7473
</activity>
7574
<activity
7675
android:name=".activities.LegalActivity"

‎app/src/main/java/com/zulip/android/activities/PhotoViewActivity.java

Lines changed: 209 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -1,14 +1,27 @@
11
package com.zulip.android.activities;
22

3+
import android.Manifest;
4+
import android.app.NotificationManager;
5+
import android.app.PendingIntent;
36
import android.content.ClipData;
47
import android.content.ClipboardManager;
58
import android.content.Context;
9+
import android.content.DialogInterface;
610
import android.content.Intent;
11+
import android.content.SharedPreferences;
12+
import android.content.pm.PackageManager;
713
import android.net.ConnectivityManager;
814
import android.net.NetworkInfo;
915
import android.net.Uri;
16+
import android.os.AsyncTask;
1017
import android.os.Bundle;
18+
import android.os.Environment;
19+
import android.provider.Settings;
20+
import android.support.annotation.NonNull;
21+
import android.support.v4.app.ActivityCompat;
22+
import android.support.v7.app.AlertDialog;
1123
import android.support.v7.app.AppCompatActivity;
24+
import android.support.v7.app.NotificationCompat;
1225
import android.support.v7.widget.Toolbar;
1326
import android.view.Menu;
1427
import android.view.MenuItem;
@@ -23,13 +36,31 @@
2336
import com.bumptech.glide.request.target.GlideDrawableImageViewTarget;
2437
import com.bumptech.glide.request.target.Target;
2538
import com.zulip.android.R;
39+
import com.zulip.android.util.ZLog;
2640

27-
public class PhotoViewActivity extends AppCompatActivity {
41+
import java.io.BufferedInputStream;
42+
import java.io.File;
43+
import java.io.FileOutputStream;
44+
import java.io.IOException;
45+
import java.io.InputStream;
46+
import java.io.OutputStream;
47+
import java.net.MalformedURLException;
48+
import java.net.URL;
49+
import java.net.URLConnection;
2850

2951

52+
public class PhotoViewActivity extends AppCompatActivity implements ActivityCompat.OnRequestPermissionsResultCallback {
53+
54+
55+
private static final int EXTERNAL_STORAGE_PERMISSION_CONSTANT = 100;
56+
private static final int REQUEST_PERMISSION_SETTING = 101;
57+
int id = 1;
3058
private ImageView linkImage;
3159
private ProgressBar progressBar;
32-
60+
private NotificationManager mNotifyManager;
61+
private NotificationCompat.Builder mBuilder;
62+
private boolean openSettings = false;
63+
private SharedPreferences permissionStatus;
3364

3465
@Override
3566
protected void onCreate(Bundle savedInstanceState) {
@@ -39,6 +70,7 @@ protected void onCreate(Bundle savedInstanceState) {
3970
setSupportActionBar(toolbar);
4071
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
4172
getSupportActionBar().setHomeButtonEnabled(true);
73+
permissionStatus = getSharedPreferences("permissionStatus", MODE_PRIVATE);
4274
final Intent intent = getIntent();
4375
String url = intent.getStringExtra(Intent.EXTRA_TEXT);
4476
getSupportActionBar().setTitle(url);
@@ -95,20 +127,193 @@ public boolean onOptionsItemSelected(MenuItem item) {
95127
case R.id.copy_link:
96128
copyLink(url);
97129
break;
98-
130+
case R.id.download:
131+
if (ActivityCompat.checkSelfPermission(PhotoViewActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
132+
allowPermission();
133+
} else {
134+
downloadImage(url);
135+
}
136+
break;
99137
default:
100138
return super.onOptionsItemSelected(item);
101139
}
102140

103141
return true;
104142
}
105143

144+
private void allowPermission() {
145+
if (ActivityCompat.shouldShowRequestPermissionRationale(PhotoViewActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE)) {
146+
//Information about the permission
147+
AlertDialog.Builder builder = new AlertDialog.Builder(PhotoViewActivity.this);
148+
builder.setTitle(R.string.permission_title);
149+
builder.setMessage(R.string.permission_message);
150+
builder.setPositiveButton("Grant", new DialogInterface.OnClickListener() {
151+
@Override
152+
public void onClick(DialogInterface dialog, int which) {
153+
dialog.cancel();
154+
ActivityCompat.requestPermissions(PhotoViewActivity.this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, EXTERNAL_STORAGE_PERMISSION_CONSTANT);
155+
}
156+
});
157+
158+
builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
159+
@Override
160+
public void onClick(DialogInterface dialog, int which) {
161+
dialog.cancel();
162+
}
163+
});
164+
builder.show();
165+
166+
} else if (permissionStatus.getBoolean(Manifest.permission.WRITE_EXTERNAL_STORAGE, false)) {
167+
//Previously Permission Request was cancelled with 'Dont Ask Again',
168+
// Now Redirect to Settings after showing Information about permission
169+
AlertDialog.Builder builder = new AlertDialog.Builder(PhotoViewActivity.this);
170+
builder.setTitle(R.string.permission_title);
171+
builder.setMessage(R.string.permission_message);
172+
builder.setPositiveButton("Grant", new DialogInterface.OnClickListener() {
173+
@Override
174+
public void onClick(DialogInterface dialog, int which) {
175+
dialog.cancel();
176+
openSettings = true;
177+
Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
178+
Uri uri = Uri.fromParts("package", getPackageName(), null);
179+
intent.setData(uri);
180+
startActivityForResult(intent, REQUEST_PERMISSION_SETTING);
181+
}
182+
});
183+
builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
184+
@Override
185+
public void onClick(DialogInterface dialog, int which) {
186+
dialog.cancel();
187+
}
188+
});
189+
builder.show();
190+
191+
} else {
192+
193+
ActivityCompat.requestPermissions(PhotoViewActivity.this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, EXTERNAL_STORAGE_PERMISSION_CONSTANT);
194+
}
195+
196+
SharedPreferences.Editor editor = permissionStatus.edit();
197+
editor.putBoolean(Manifest.permission.WRITE_EXTERNAL_STORAGE, true);
198+
editor.apply();
199+
200+
}
201+
202+
@Override
203+
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
204+
205+
if (requestCode == EXTERNAL_STORAGE_PERMISSION_CONSTANT) {
206+
207+
if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {
208+
209+
final Intent intent = getIntent();
210+
final String url = intent.getStringExtra(Intent.EXTRA_TEXT);
211+
downloadImage(url);
212+
213+
}
214+
215+
} else {
216+
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
217+
}
218+
219+
}
220+
221+
private void downloadImage(String url) {
222+
Toast.makeText(PhotoViewActivity.this, R.string.downloading, Toast.LENGTH_SHORT).show();
223+
mNotifyManager = (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE);
224+
mBuilder = new NotificationCompat.Builder(PhotoViewActivity.this);
225+
mBuilder.setContentTitle(url)
226+
.setSmallIcon(android.R.drawable.stat_sys_download);
227+
DownloadImage download = new DownloadImage();
228+
download.execute(url);
229+
230+
}
231+
106232
private void copyLink(String url) {
107233
ClipboardManager clipboard
108234
= (ClipboardManager) getSystemService(Context.CLIPBOARD_SERVICE);
109235
ClipData clip = ClipData.newPlainText("link", url);
110236
clipboard.setPrimaryClip(clip);
111-
Toast.makeText(PhotoViewActivity.this , R.string.link_copied , Toast.LENGTH_SHORT).show();
237+
Toast.makeText(PhotoViewActivity.this, R.string.link_copied, Toast.LENGTH_SHORT).show();
112238
}
113239

240+
class DownloadImage extends AsyncTask<String, Integer, String> {
241+
242+
int calculatedProgress = 0;
243+
int imageLength = 0;
244+
245+
@Override
246+
protected void onPreExecute() {
247+
248+
mBuilder.setProgress(100, 0, false);
249+
mNotifyManager.notify(id, mBuilder.build());
250+
251+
}
252+
253+
@Override
254+
protected String doInBackground(String... params) {
255+
256+
String path = params[0];
257+
File downloadedImages = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).getAbsolutePath() + "/" + Uri.parse(path).getLastPathSegment());
258+
int total = 0;
259+
int count = 0;
260+
261+
try {
262+
URL url = new URL(path);
263+
URLConnection urlConnection = url.openConnection();
264+
urlConnection.connect();
265+
imageLength = urlConnection.getContentLength();
266+
boolean isFileCreated = downloadedImages.exists();
267+
InputStream inputStream = new BufferedInputStream(url.openStream(), 8192);
268+
byte[] data = new byte[1024];
269+
OutputStream outputStream = new FileOutputStream(downloadedImages);
270+
271+
if (!isFileCreated) {
272+
isFileCreated = downloadedImages.createNewFile();
273+
}
274+
while ((count = inputStream.read(data)) != -1) {
275+
total = total + count;
276+
outputStream.write(data, 0, count);
277+
calculatedProgress = (int) total * 100 / imageLength;
278+
publishProgress(total);
279+
}
280+
inputStream.close();
281+
outputStream.close();
282+
283+
} catch (MalformedURLException e) {
284+
ZLog.logException(e);
285+
} catch (IOException e) {
286+
ZLog.logException(e);
287+
}
288+
289+
return String.valueOf(downloadedImages);
290+
}
291+
292+
@Override
293+
protected void onProgressUpdate(Integer... values) {
294+
295+
mBuilder.setProgress(100, values[0], true);
296+
mNotifyManager.notify(id, mBuilder.build());
297+
super.onProgressUpdate(values);
298+
299+
}
300+
301+
@Override
302+
protected void onPostExecute(String result) {
303+
304+
mBuilder.setContentText("Download complete");
305+
mBuilder.setSmallIcon(android.R.drawable.stat_sys_download_done);
306+
mBuilder.setProgress(0, 0, false);
307+
Toast.makeText(PhotoViewActivity.this, "Saved at " + result, Toast.LENGTH_LONG).show();
308+
File file = new File(result);
309+
Uri uri = Uri.fromFile(file);
310+
Intent intent = new Intent();
311+
intent.setAction(android.content.Intent.ACTION_VIEW);
312+
intent.setDataAndType(uri, "image/*");
313+
PendingIntent pIntent = PendingIntent.getActivity(PhotoViewActivity.this, 0, intent, 0);
314+
mBuilder.setContentIntent(pIntent).build();
315+
mNotifyManager.notify(id, mBuilder.build());
316+
317+
}
318+
}
114319
}

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

Lines changed: 1 addition & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -25,6 +25,7 @@
2525
android:layout_width="match_parent"
2626
android:layout_height="match_parent"
2727
android:id="@+id/linkImageView"
28+
android:contentDescription="@string/link_image"
2829
android:layout_alignParentLeft="true"
2930
android:layout_alignParentStart="true"
3031
android:layout_below="@+id/toolbar" />

‎app/src/main/res/menu/photoview_options.xml

Lines changed: 6 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -5,10 +5,14 @@
55

66
<item
77
android:id="@+id/open"
8-
android:title="Open" />
8+
android:title="@string/open" />
99

1010
<item
1111
android:id="@+id/copy_link"
12-
android:title="Copy link" />
12+
android:title="@string/copy_link" />
13+
14+
<item
15+
android:id="@+id/download"
16+
android:title="@string/download_image" />
1317

1418
</menu>

‎app/src/main/res/values/strings.xml

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -12,6 +12,13 @@
1212
<string name="logout">Log out</string>
1313
<string name="force_logged_out">You\'ve been logged out</string>
1414
<string name="huddle_text">You</string>
15+
<string name="download_image">Download image</string>
16+
<string name="copy_link">Copy link</string>
17+
<string name="open">Open</string>
18+
<string name="link_image">ImageView of link</string>
19+
<string name="permission_message">Zulip app needs storage permission.</string>
20+
<string name="permission_title">Need Storage Permission</string>
21+
<string name="downloading">Downloading..</string>
1522
<string name="topic">Topic</string>
1623
<string name="close">Close</string>
1724
<string name="refresh">Refresh</string>

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