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Improvements to manage apps / running services:

Browse Source 
- Running services now keeps a single data structure to make
  switching through the UI a lot faster.
- Display text when there are no apps.
- Fix deadlock.
- Add new preference entry to view manage apps for storage use.
- Etc.

Change-Id: I0f5babf407ed7e84169f59584ddcb6cd0e9d67d9
This commit is contained in:
Dianne Hackborn
2010-07-28 17:10:42 -07:00
parent e7623f775c
commit 508fedc410
9 changed files with 310 additions and 188 deletions
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119
src/com/android/settings/applications/RunningServiceDetails.java
View File

@@ -42,16 +42,13 @@ import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
public class RunningServiceDetails extends Activity {
public class RunningServiceDetails extends Activity
implements RunningState.OnRefreshUiListener {
static final String TAG = "RunningServicesDetails";
static final String KEY_UID = "uid";
static final String KEY_PROCESS = "process";
static final int MSG_UPDATE_TIMES = 1;
static final int MSG_UPDATE_CONTENTS = 2;
static final int MSG_REFRESH_UI = 3;
ActivityManager mAm;
LayoutInflater mInflater;
@@ -156,9 +153,7 @@ public class RunningServiceDetails extends Activity {
// so no reason for the UI to stick around.
finish();
} else {
if (mBackgroundHandler != null) {
mBackgroundHandler.sendEmptyMessage(MSG_UPDATE_CONTENTS);
}
mState.updateNow();
}
} else {
// Heavy-weight process. We'll do a force-stop on it.
@@ -170,52 +165,6 @@ public class RunningServiceDetails extends Activity {
StringBuilder mBuilder = new StringBuilder(128);
HandlerThread mBackgroundThread;
final class BackgroundHandler extends Handler {
public BackgroundHandler(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_UPDATE_CONTENTS:
Message cmd = mHandler.obtainMessage(MSG_REFRESH_UI);
cmd.arg1 = mState.update(RunningServiceDetails.this, mAm) ? 1 : 0;
mHandler.sendMessage(cmd);
removeMessages(MSG_UPDATE_CONTENTS);
msg = obtainMessage(MSG_UPDATE_CONTENTS);
sendMessageDelayed(msg, RunningProcessesView.CONTENTS_UPDATE_DELAY);
break;
}
}
};
BackgroundHandler mBackgroundHandler;
final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_UPDATE_TIMES:
if (mSnippetActiveItem != null) {
mSnippetActiveItem.updateTime(RunningServiceDetails.this, mBuilder);
}
for (int i=0; i<mActiveDetails.size(); i++) {
mActiveDetails.get(i).mActiveItem.updateTime(
RunningServiceDetails.this, mBuilder);
}
removeMessages(MSG_UPDATE_TIMES);
msg = obtainMessage(MSG_UPDATE_TIMES);
sendMessageDelayed(msg, RunningProcessesView.TIME_UPDATE_DELAY);
break;
case MSG_REFRESH_UI:
refreshUi(msg.arg1 != 0);
break;
}
}
};
boolean findMergedItem() {
RunningState.MergedItem item = null;
ArrayList<RunningState.MergedItem> newItems = mState.getCurrentMergedItems();
@@ -447,10 +396,7 @@ public class RunningServiceDetails extends Activity {
mAm = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE);
mInflater = (LayoutInflater)getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mState = (RunningState)getLastNonConfigurationInstance();
if (mState == null) {
mState = new RunningState();
}
mState = RunningState.getInstance(this);
setContentView(R.layout.running_service_details);
@@ -464,36 +410,53 @@ public class RunningServiceDetails extends Activity {
@Override
protected void onPause() {
super.onPause();
mHandler.removeMessages(MSG_UPDATE_TIMES);
if (mBackgroundThread != null) {
mBackgroundThread.quit();
mBackgroundThread = null;
mBackgroundHandler = null;
}
mState.pause();
}
@Override
protected void onResume() {
super.onResume();
refreshUi(mState.update(this, mAm));
mBackgroundThread = new HandlerThread("RunningServices");
mBackgroundThread.start();
mBackgroundHandler = new BackgroundHandler(mBackgroundThread.getLooper());
mHandler.removeMessages(MSG_UPDATE_TIMES);
Message msg = mHandler.obtainMessage(MSG_UPDATE_TIMES);
mHandler.sendMessageDelayed(msg, RunningProcessesView.TIME_UPDATE_DELAY);
mBackgroundHandler.removeMessages(MSG_UPDATE_CONTENTS);
msg = mBackgroundHandler.obtainMessage(MSG_UPDATE_CONTENTS);
mBackgroundHandler.sendMessageDelayed(msg, RunningProcessesView.CONTENTS_UPDATE_DELAY);
}
mState.resume(this);
@Override
public Object onRetainNonConfigurationInstance() {
return mState;
// We want to go away if the service being shown no longer exists,
// so we need to ensure we have done the initial data retrieval before
// showing our ui.
mState.waitForData();
// And since we know we have the data, let's show the UI right away
// to avoid flicker.
refreshUi(true);
}
@Override
protected void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
}
void updateTimes() {
if (mSnippetActiveItem != null) {
mSnippetActiveItem.updateTime(RunningServiceDetails.this, mBuilder);
}
for (int i=0; i<mActiveDetails.size(); i++) {
mActiveDetails.get(i).mActiveItem.updateTime(
RunningServiceDetails.this, mBuilder);
}
}
@Override
public void onRefreshUi(int what) {
switch (what) {
case REFRESH_TIME:
updateTimes();
break;
case REFRESH_DATA:
refreshUi(false);
updateTimes();
break;
case REFRESH_STRUCTURE:
refreshUi(true);
updateTimes();
break;
}
}
}