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Use ContentObserver to observe install status

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This commit is contained in:
Dominik Schürmann 2014-05-11 01:38:17 +02:00
parent 919f9c63b8
commit 04577d213c
1 changed files with 60 additions and 45 deletions
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105
src/org/fdroid/fdroid/AppDetails.java
View File

@ -33,18 +33,17 @@ import android.app.ListActivity;
import android.app.ProgressDialog;
import android.bluetooth.BluetoothAdapter;
import android.net.Uri;
import android.nfc.NfcAdapter;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.preference.PreferenceManager;
import android.support.v4.app.NavUtils;
import android.support.v4.view.MenuItemCompat;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageInfo;
import android.content.pm.Signature;
import android.content.pm.PackageManager.NameNotFoundException;
import android.database.ContentObserver;
import android.text.Editable;
import android.text.Html;
import android.text.Html.TagHandler;
@ -97,6 +96,31 @@ public class AppDetails extends ListActivity {
TextView nativecode;
}
// observer to update view when package has been installed/removed
AppObserver myAppObserver;
class AppObserver extends ContentObserver {
public AppObserver(Handler handler) {
super(handler);
}
@Override
public void onChange(boolean selfChange) {
this.onChange(selfChange, null);
}
@Override
public void onChange(boolean selfChange, Uri uri) {
if (!reset()) {
AppDetails.this.finish();
return;
}
updateViews();
MenuManager.create(AppDetails.this).invalidateOptionsMenu();
}
}
private class ApkListAdapter extends ArrayAdapter<Apk> {
private LayoutInflater mInflater = (LayoutInflater) mctx.getSystemService(
@ -323,7 +347,6 @@ public class AppDetails extends ListActivity {
finish();
return;
}
resetRequired = false;
}
SharedPreferences prefs = PreferenceManager
@ -347,7 +370,6 @@ public class AppDetails extends ListActivity {
private boolean pref_expert;
private boolean pref_permissions;
private boolean pref_incompatibleVersions;
private boolean resetRequired;
// The signature of the installed version.
private Signature mInstalledSignature;
@ -357,12 +379,17 @@ public class AppDetails extends ListActivity {
protected void onResume() {
Log.d(TAG, "onresume");
super.onResume();
if (resetRequired) {
if (!reset()) {
finish();
return;
}
resetRequired = false;
// register observer to know when install status changes
myAppObserver = new AppObserver(new Handler());
getContentResolver().registerContentObserver(
AppProvider.getContentUri(app.id),
true,
myAppObserver);
if (!reset()) {
finish();
return;
}
updateViews();
@ -375,6 +402,9 @@ public class AppDetails extends ListActivity {
@Override
protected void onPause() {
if (myAppObserver != null) {
getContentResolver().unregisterContentObserver(myAppObserver);
}
if (downloadHandler != null) {
downloadHandler.stopUpdates();
}
@ -964,51 +994,36 @@ public class AppDetails extends ListActivity {
@Override
public void onSuccess(final int operation) {
// TODO: this is a hack!!!
// Currently the views are not automatically updated when the receivers are notified
// if an app is installed/removed
// We are currently waiting that the receivers change the database and then reload the view
//
// Better approach:
// Implement Android Loader that restarts automatically on db change!
Thread wait = new Thread(new Runnable() {
runOnUiThread(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
Log.d(TAG, "handling installer onSuccess");
notifyAppChanged(app.id);
if (operation == Installer.InstallerCallback.OPERATION_INSTALL) {
if (downloadHandler != null) {
downloadHandler = null;
}
PackageManagerCompat.setInstaller(mPm, app.id);
}
runOnUiThread(new Runnable() {
@Override
public void run() {
Log.d(TAG, "handling installer onSuccess");
notifyAppChanged(app.id);
resetRequired = true;
if (operation == Installer.InstallerCallback.OPERATION_INSTALL) {
if (downloadHandler != null) {
downloadHandler = null;
}
PackageManagerCompat.setInstaller(mPm, app.id);
}
// TODO: whole onResume?
onResume();
setProgressBarIndeterminateVisibility(false);
}
});
setProgressBarIndeterminateVisibility(false);
}
});
wait.start();
}
@Override
public void onError(int operation, final int errorCode) {
if (errorCode != InstallerCallback.ERROR_CODE_CANCELED) {
if (errorCode == InstallerCallback.ERROR_CODE_CANCELED) {
runOnUiThread(new Runnable() {
@Override
public void run() {
setProgressBarIndeterminateVisibility(false);
}
});
} else {
runOnUiThread(new Runnable() {
@Override
public void run() {