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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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134
src/com/android/settings/applications/RunningProcessesView.java
View File

@@ -26,15 +26,12 @@ import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.os.Bundle;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.Looper;
import android.os.Message;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.text.format.DateUtils;
import android.text.format.Formatter;
import android.util.AttributeSet;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
@@ -53,17 +50,8 @@ import java.util.HashMap;
import java.util.Iterator;
public class RunningProcessesView extends FrameLayout
implements AdapterView.OnItemClickListener, RecyclerListener {
/** Maximum number of services to retrieve */
static final int MAX_SERVICES = 100;
static final int MSG_UPDATE_TIMES = 1;
static final int MSG_UPDATE_CONTENTS = 2;
static final int MSG_REFRESH_UI = 3;
static final long TIME_UPDATE_DELAY = 1000;
static final long CONTENTS_UPDATE_DELAY = 2000;
implements AdapterView.OnItemClickListener, RecyclerListener,
RunningState.OnRefreshUiListener {
// Memory pages are 4K.
static final long PAGE_SIZE = 4*1024;
@@ -128,6 +116,8 @@ public class RunningProcessesView extends FrameLayout
if (uptimeView != null) {
if (mItem.mActiveSince >= 0) {
//Log.i("foo", "Time for " + mItem.mDisplayLabel
// + ": " + (SystemClock.uptimeMillis()-mFirstRunTime));
uptimeView.setText(DateUtils.formatElapsedTime(builder,
(SystemClock.uptimeMillis()-mFirstRunTime)/1000));
} else {
@@ -220,6 +210,11 @@ public class RunningProcessesView extends FrameLayout
return mItems.size();
}
@Override
public boolean isEmpty() {
return mState.hasData() && mItems.size() == 0;
}
public Object getItem(int position) {
return mItems.get(position);
}
@@ -330,55 +325,6 @@ public class RunningProcessesView extends FrameLayout
}
}
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(getContext(), mAm) ? 1 : 0;
mHandler.sendMessage(cmd);
removeMessages(MSG_UPDATE_CONTENTS);
msg = obtainMessage(MSG_UPDATE_CONTENTS);
sendMessageDelayed(msg, CONTENTS_UPDATE_DELAY);
break;
}
}
};
BackgroundHandler mBackgroundHandler;
final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_UPDATE_TIMES:
Iterator<ActiveItem> it = mActiveItems.values().iterator();
while (it.hasNext()) {
ActiveItem ai = it.next();
if (ai.mRootView.getWindowToken() == null) {
// Clean out any dead views, just in case.
it.remove();
continue;
}
ai.updateTime(getContext(), mBuilder);
}
removeMessages(MSG_UPDATE_TIMES);
msg = obtainMessage(MSG_UPDATE_TIMES);
sendMessageDelayed(msg, TIME_UPDATE_DELAY);
break;
case MSG_REFRESH_UI:
refreshUi(msg.arg1 != 0);
break;
}
}
};
private boolean matchText(byte[] buffer, int index, String text) {
int N = text.length();
if ((index+N) >= buffer.length) {
@@ -506,10 +452,7 @@ public class RunningProcessesView extends FrameLayout
public void doCreate(Bundle savedInstanceState, Object nonConfigurationInstace) {
mAm = (ActivityManager)getContext().getSystemService(Context.ACTIVITY_SERVICE);
mState = (RunningState)nonConfigurationInstace;
if (mState == null) {
mState = new RunningState();
}
mState = RunningState.getInstance(getContext());
LayoutInflater inflater = (LayoutInflater)getContext().getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
inflater.inflate(R.layout.running_processes_view, this);
@@ -531,28 +474,49 @@ public class RunningProcessesView extends FrameLayout
}
public void doPause() {
mHandler.removeMessages(MSG_UPDATE_TIMES);
if (mBackgroundThread != null) {
mBackgroundThread.quit();
mBackgroundThread = null;
mBackgroundHandler = null;
}
mState.pause();
}
public void doResume() {
refreshUi(mState.update(getContext(), 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, TIME_UPDATE_DELAY);
mBackgroundHandler.removeMessages(MSG_UPDATE_CONTENTS);
msg = mBackgroundHandler.obtainMessage(MSG_UPDATE_CONTENTS);
mBackgroundHandler.sendMessageDelayed(msg, CONTENTS_UPDATE_DELAY);
mState.resume(this);
if (mState.hasData()) {
// If the state already has its data, then let's populate our
// list right now to avoid flicker.
refreshUi(true);
}
}
public Object doRetainNonConfigurationInstance() {
return mState;
return null;
}
void updateTimes() {
Iterator<ActiveItem> it = mActiveItems.values().iterator();
while (it.hasNext()) {
ActiveItem ai = it.next();
if (ai.mRootView.getWindowToken() == null) {
// Clean out any dead views, just in case.
it.remove();
continue;
}
ai.updateTime(getContext(), 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;
}
}
}