battery(电池)监控程序.zip

package com.bwx.qs.battery; import static com.bwx.qs.battery.BatteryWidget.PREFS; import static com.bwx.qs.battery.BatteryWidget.PREF_ACTIVITY_NAME; import static com.bwx.qs.battery.BatteryWidget.PREF_CLASS_NAME; import static com.bwx.qs.battery.BatteryWidget.PREF_PACKAGE_NAME; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.List; import android.app.ExpandableListActivity; import android.content.Intent; import android.content.SharedPreferences; import android.content.pm.ActivityInfo; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; import android.os.AsyncTask; import android.os.Bundle; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.view.View.OnClickListener; import android.widget.BaseExpandableListAdapter; import android.widget.Button; import android.widget.ImageView; import android.widget.TextView; public class SettingsActivityList extends ExpandableListActivity implements OnClickListener { static class Group { Group(int titleTextId) {this.titleTextId = titleTextId;} int titleTextId; ArrayList<ResolveInfo> children = new ArrayList<ResolveInfo>(); } static class FeaturedActivity { FeaturedActivity(String className, String packageName) { this.className = className; this.packageName = packageName; } String className; String packageName; } class ExpandableListAdapter extends BaseExpandableListAdapter { private final ArrayList<Group> mGroups = new ArrayList<Group>(); private final LayoutInflater mInflater; public ExpandableListAdapter(LayoutInflater inflater) { mInflater = inflater; // create featured activities String[] params; FeaturedActivity activity; ArrayList<String> classNames = new ArrayList<String>(); String[] activities = SettingsActivityList.this.getResources().getStringArray(R.array.featured_activities); for (int i=0; i<activities.length; i++) { params = TextUtils.split(activities[i], "/"); mFeaturedActivities.add(activity = new FeaturedActivity(params[1], params[0])); classNames.add(activity.className); } mFeaturedClassNames = classNames.toArray(new String[classNames.size()]); Arrays.sort(mFeaturedClassNames); } public Object getChild(int groupPosition, int childPosition) { return mGroups.get(groupPosition).children.get(childPosition); } public long getChildId(int groupPosition, int childPosition) { return childPosition; } public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { if (convertView == null) { convertView = mInflater.inflate(R.layout.activity_item, parent, false); } Group group = mGroups.get(groupPosition); ActivityInfo activityInfo = group.children.get(childPosition).activityInfo; ImageView icon = (ImageView) convertView.findViewById(R.id.icon); TextView text1 = (TextView) convertView.findViewById(R.id.text1); Button button = (Button) convertView.findViewById(R.id.button1); button.setEnabled(true); button.setTag(activityInfo); button.setOnClickListener(SettingsActivityList.this); View item = convertView.findViewById(R.id.item); item.setTag(activityInfo); item.setOnClickListener(SettingsActivityList.this); PackageManager pm = mPackageManager; icon.setImageDrawable(activityInfo.loadIcon(pm)); text1.setText(activityInfo.loadLabel(pm)); return convertView; } public int getChildrenCount(int groupPosition) { return mGroups.get(groupPosition).children.size(); } public Object getGroup(int groupPosition) { return mGroups.get(groupPosition); } public int getGroupCount() { return mGroups.size(); } public long getGroupId(int groupPosition) { return groupPosition; } public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { if (convertView == null) { convertView = mInflater.inflate(android.R.layout.simple_expandable_list_item_1, parent, false); } Group group = mGroups.get(groupPosition); ((TextView)convertView.findViewById(android.R.id.text1)).setText(group.titleTextId); return convertView; } public boolean hasStableIds() { return true; } public boolean isChildSelectable(int groupPosition, int childPosition) { return true; } } class CollectActivitiesTask extends AsyncTask<Void, Group, Void> { @Override protected void onPreExecute() { setProgressBarIndeterminateVisibility(true); } @Override protected void onPostExecute(Void param) { setProgressBarIndeterminateVisibility(false); } protected void onProgressUpdate(Group...group) { ExpandableListAdapter adapter = mAdapter; adapter.mGroups.add(group[0]); adapter.notifyDataSetChanged(); } @Override protected Void doInBackground(Void... params) { Group group; // get check all recommended activities { final Intent intent = new Intent(); group = new Group(R.string.txt_recommended); FeaturedActivity activity; ArrayList<FeaturedActivity> activities = mFeaturedActivities; int size = activities.size(); for (int i = 0; i < size; i++) { activity = activities.get(i); intent.setClassName(activity.packageName, activity.className); List<ResolveInfo> infos = mPackageManager.queryIntentActivities(intent, PackageManager.MATCH_DEFAULT_ONLY); for (ResolveInfo info : infos) { group.children.add(info); } } if (group.children.size() > 0) { publishProgress(group); } } // get other activities { group = new Group(R.string.txt_other); Intent queryIntent = new Intent(Intent.ACTION_MAIN); queryIntent.addCategory(Intent.CATEGORY_LAUNCHER); List<ResolveInfo> list = mPackageManager.queryIntentActivities(queryIntent, 0); // Sort the list Collections.sort(list, new ResolveInfo.DisplayNameComparator(mPackageManager)); String className;