Added progress bar when downloading for installation/update

res/values/strings.xml

@@ -90,4 +90,5 @@
 <string name="details_installed">Version %s installed</string>
 <string name="details_notinstalled">Not installed (%d available)</string>
 <string name="inst">Installed</string>
+<string name="corrupt_download">Downloaded file is corrupt</string>
 </resources>

src/org/fdroid/fdroid/AppDetails.java

@@ -112,20 +112,17 @@ public class AppDetails extends ListActivity {
         }
     }
 
-    private static String getFriendlySize(int size)
+    private static String getFriendlySize(int size) {
-    {
         double s = size;
         String[] format = new String[] { "%fb", "%.0fK", "%.1fM", "%.2fG" };
         int i = 0;
-        while(i<format.length-1 && s>=1024)
+        while (i < format.length - 1 && s >= 1024) {
-        {
             s = (100 * s / 1024) / 100.0;
             i++;
         }
         return String.format(format[i], s);
     }
 
-    
     private static final int INSTALL = Menu.FIRST;
     private static final int UNINSTALL = Menu.FIRST + 1;
     private static final int WEBSITE = Menu.FIRST + 2;
@@ -190,9 +187,11 @@ public class AppDetails extends ListActivity {
         tv = (TextView) findViewById(R.id.status);
         int vnum = app.apks.size();
         if (app.installedVersion == null)
-            tv.setText(String.format(getString(R.string.details_notinstalled),vnum));
+            tv.setText(String.format(getString(R.string.details_notinstalled),
+                    vnum));
         else
-            tv.setText(String.format(getString(R.string.details_installed), app.installedVersion));
+            tv.setText(String.format(getString(R.string.details_installed),
+                    app.installedVersion));
         tv = (TextView) findViewById(R.id.description);
         tv.setText(app.description);
 
@@ -261,23 +260,6 @@ public class AppDetails extends ListActivity {
         p.show();
     }
 
-    // Install the version of this app denoted by 'curapk'.
-    private void install() {
-        new Thread() {
-            public void run() {
-                String apk_file = downloadFile(app, curapk);
-                if (apk_file == null) {
-                    Message msg = new Message();
-                    msg.arg1 = 1;
-                    download_handler.sendMessage(msg);
-                    download_error_handler.sendEmptyMessage(0);
-                } else {
-                    installApk(apk_file);
-                }
-            }
-        }.start();
-    }
-
     @Override
     public boolean onPrepareOptionsMenu(Menu menu) {
 
@@ -351,34 +333,50 @@ public class AppDetails extends ListActivity {
         return super.onOptionsItemSelected(item);
     }
 
-    // Download the requested apk file, given the DB.App and DB.Apk
+    // Install the version of this app denoted by 'curapk'.
-    // that refer to it. Returns the path to the downloaded file, or
+    private void install() {
-    // null if the download was not successful.
+
-    private String downloadFile(DB.App app, DB.Apk apk) {
+        pd = new ProgressDialog(this);
+        pd.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
+        pd.setMessage(getString(R.string.download_server));
+
+        new Thread() {
+            public void run() {
+
+                // Download the apk file from the repository...
+                String apk_file = null;
                 try {
 
-            String apkname = apk.apkName;
+                    String apkname = curapk.apkName;
                     String localfile = new String(LOCAL_PATH + "/" + apkname);
-            String remotefile = apk.server + "/" + apkname.replace(" ", "%20");
+                    String remotefile = curapk.server + "/"
+                            + apkname.replace(" ", "%20");
 
                     Log.d("FDroid", "Downloading apk from " + remotefile);
 
                     Message msg = new Message();
                     msg.arg1 = 0;
+                    msg.arg2 = curapk.size;
                     msg.obj = new String(remotefile);
                     download_handler.sendMessage(msg);
 
-            BufferedInputStream getit = new BufferedInputStream(new URL(
+                    BufferedInputStream getit = new BufferedInputStream(
-                    remotefile).openStream(), 8192);
+                            new URL(remotefile).openStream(), 8192);
 
                     FileOutputStream saveit = new FileOutputStream(localfile);
-            BufferedOutputStream bout = new BufferedOutputStream(saveit, 1024);
+                    BufferedOutputStream bout = new BufferedOutputStream(
+                            saveit, 1024);
                     byte data[] = new byte[1024];
 
-            int readed = getit.read(data, 0, 1024);
+                    int totalRead = 0;
-            while (readed != -1) {
+                    int bytesRead = getit.read(data, 0, 1024);
-                bout.write(data, 0, readed);
+                    while (bytesRead != -1) {
-                readed = getit.read(data, 0, 1024);
+                        bout.write(data, 0, bytesRead);
+                        totalRead += bytesRead;
+                        msg = new Message();
+                        msg.arg1 = totalRead;
+                        download_handler.sendMessage(msg);
+                        bytesRead = getit.read(data, 0, 1024);
                     }
                     bout.close();
                     getit.close();
@@ -386,26 +384,45 @@ public class AppDetails extends ListActivity {
                     File f = new File(localfile);
                     Md5Handler hash = new Md5Handler();
 
-            if (apk.hash.equalsIgnoreCase(hash.md5Calc(f))) {
+                    if (curapk.hash.equalsIgnoreCase(hash.md5Calc(f))) {
-                return localfile;
+                        apk_file = localfile;
                     } else {
-                return null;
+                        msg = new Message();
-            }
+                        msg.obj = getString(R.string.corrupt_download);
-        } catch (Exception e) {
+                        download_error_handler.sendMessage(msg);
-            Log.d("FDroid", "Download failed - " + e.getMessage());
-            return null;
-        }
                     }
 
+                } catch (Exception e) {
+                    Log.d("FDroid", "Download failed - " + e.getMessage());
+                    Message msg = new Message();
+                    msg.obj = e.getMessage();
+                    download_error_handler.sendMessage(msg);
+                }
+
+                if (apk_file != null) {
+                    Message msg = new Message();
+                    msg.obj = apk_file;
+                    download_complete_handler.sendMessage(msg);
+                }
+            }
+        }.start();
+
+        pd.show();
+
+    }
+
+    // Handler used to update the progress dialog while downloading. The
+    // message contains the progress (bytes read) in arg1. If this is 0,
+    // the message also contains the total bytes to read in arg2, and the
+    // message in obj.
     private Handler download_handler = new Handler() {
         @Override
         public void handleMessage(Message msg) {
+            pd.setProgress(msg.arg1);
             if (msg.arg1 == 0) {
-                pd = ProgressDialog.show(mctx, getString(R.string.download),
+                pd.setMessage(getString(R.string.download_server) + ":\n "
-                        getString(R.string.download_server) + ":\n "
+                        + msg.obj.toString());
-                                + msg.obj.toString(), true);
+                pd.setMax(msg.arg2);
-            } else {
-                pd.dismiss();
             }
         }
     };
@@ -413,11 +430,21 @@ public class AppDetails extends ListActivity {
     private Handler download_error_handler = new Handler() {
         @Override
         public void handleMessage(Message msg) {
-            Toast.makeText(mctx, getString(R.string.connection_error_msg),
+            pd.dismiss();
+            Toast.makeText(mctx, (String)msg.obj,
                     Toast.LENGTH_LONG).show();
         }
     };
 
+    private Handler download_complete_handler = new Handler() {
+        @Override
+        public void handleMessage(Message msg) {
+            String apk_file = (String) msg.obj;
+            installApk(apk_file);
+            pd.dismiss();
+        }
+    };
+
     private void removeApk(String id) {
         PackageInfo pkginfo;
         try {