import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
+import android.content.res.Resources;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
private static final boolean DBG_FORCE_EMPTY_LIST = false;
static private StatusBarManager sStatusBar;
-
+
private static final int NUM_BUTTONS = 6;
private static final int MAX_RECENT_TASKS = NUM_BUTTONS * 2; // allow for some discards
-
+
final View[] mButtons = new View[NUM_BUTTONS];
View mNoAppsText;
IntentFilter mBroadcastIntentFilter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
+ private int mIconSize;
+
public RecentApplicationsDialog(Context context) {
super(context);
+
+ final Resources resources = context.getResources();
+ mIconSize = (int) resources.getDimension(android.R.dimen.app_icon_size);
}
/**
* We create the recent applications dialog just once, and it stays around (hidden)
* until activated by the user.
- *
+ *
* @see MidWindowManager#showRecentAppsDialog
*/
@Override
theWindow.setType(WindowManager.LayoutParams.TYPE_SYSTEM_DIALOG);
theWindow.setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND,
WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
-
+ theWindow.setTitle("Recents");
+
setContentView(com.android.internal.R.layout.recent_apps_dialog);
mButtons[0] = findViewById(com.android.internal.R.id.button1);
mButtons[4] = findViewById(com.android.internal.R.id.button5);
mButtons[5] = findViewById(com.android.internal.R.id.button6);
mNoAppsText = findViewById(com.android.internal.R.id.no_applications_message);
-
+
for (View b : mButtons) {
b.setOnClickListener(this);
}
* Handler for user clicks. If a button was clicked, launch the corresponding activity.
*/
public void onClick(View v) {
-
+
for (View b : mButtons) {
if (b == v) {
// prepare a launch intent and send it
@Override
public void onStop() {
super.onStop();
-
+
// dump extra memory we're hanging on to
for (View b : mButtons) {
setButtonAppearance(b, null, null);
// stop receiving broadcasts
getContext().unregisterReceiver(mBroadcastReceiver);
}
-
+
/**
* Reload the 6 buttons with recent activities
*/
private void reloadButtons() {
-
+
final Context context = getContext();
final PackageManager pm = context.getPackageManager();
- final ActivityManager am = (ActivityManager)
+ final ActivityManager am = (ActivityManager)
context.getSystemService(Context.ACTIVITY_SERVICE);
- final List<ActivityManager.RecentTaskInfo> recentTasks =
+ final List<ActivityManager.RecentTaskInfo> recentTasks =
am.getRecentTasks(MAX_RECENT_TASKS, 0);
-
+
ResolveInfo homeInfo = pm.resolveActivity(
new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_HOME),
0);
-
+
// Performance note: Our android performance guide says to prefer Iterator when
// using a List class, but because we know that getRecentTasks() always returns
// an ArrayList<>, we'll use a simple index instead.
int numTasks = recentTasks.size();
for (int i = 0; i < numTasks && (button < NUM_BUTTONS); ++i) {
final ActivityManager.RecentTaskInfo info = recentTasks.get(i);
-
+
// for debug purposes only, disallow first result to create empty lists
if (DBG_FORCE_EMPTY_LIST && (i == 0)) continue;
-
+
Intent intent = new Intent(info.baseIntent);
if (info.origActivity != null) {
intent.setComponent(info.origActivity);
}
-
+
// Skip the current home activity.
if (homeInfo != null) {
if (homeInfo.activityInfo.packageName.equals(
continue;
}
}
-
+
intent.setFlags((intent.getFlags()&~Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED)
| Intent.FLAG_ACTIVITY_NEW_TASK);
final ResolveInfo resolveInfo = pm.resolveActivity(intent, 0);
}
}
}
-
+
// handle the case of "no icons to show"
mNoAppsText.setVisibility((button == 0) ? View.VISIBLE : View.GONE);
-
+
// hide the rest
for ( ; button < NUM_BUTTONS; ++button) {
mButtons[button].setVisibility(View.GONE);
}
}
-
+
/**
* Adjust appearance of each icon-button
*/
private void setButtonAppearance(View theButton, final String theTitle, final Drawable icon) {
- TextView tv = (TextView) theButton.findViewById(com.android.internal.R.id.label);
+ TextView tv = (TextView) theButton;
tv.setText(theTitle);
- ImageView iv = (ImageView) theButton.findViewById(com.android.internal.R.id.icon);
- iv.setImageDrawable(icon);
+ if (icon != null) {
+ icon.setBounds(0, 0, mIconSize, mIconSize);
+ }
+ tv.setCompoundDrawables(null, icon, null, null);
}
/**
* This is the listener for the ACTION_CLOSE_SYSTEM_DIALOGS intent. It's an indication that
* we should close ourselves immediately, in order to allow a higher-priority UI to take over
* (e.g. phone call received).
- *
- * TODO: This is a really heavyweight solution for something that should be so simple.
- * For example, we already have a handler, in our superclass, why aren't we sharing that?
- * I think we need to investigate simplifying this entire methodology, or perhaps boosting
- * it up into the Dialog class.
*/
private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
@Override
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
+import android.content.res.Resources;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.content.pm.ResolveInfo;
private static final boolean DBG_FORCE_EMPTY_LIST = false;
static private StatusBarManager sStatusBar;
-
+
private static final int NUM_BUTTONS = 6;
private static final int MAX_RECENT_TASKS = NUM_BUTTONS * 2; // allow for some discards
-
+
final View[] mButtons = new View[NUM_BUTTONS];
View mNoAppsText;
IntentFilter mBroadcastIntentFilter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
+
+ private int mIconSize;
+
public RecentApplicationsDialog(Context context) {
super(context);
+
+ final Resources resources = context.getResources();
+ mIconSize = (int) resources.getDimension(android.R.dimen.app_icon_size);
}
/**
* We create the recent applications dialog just once, and it stays around (hidden)
* until activated by the user.
- *
+ *
* @see PhoneWindowManager#showRecentAppsDialog
*/
@Override
WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
theWindow.setFlags(WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM,
WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
-
+ theWindow.setTitle("Recents");
+
setContentView(com.android.internal.R.layout.recent_apps_dialog);
mButtons[0] = findViewById(com.android.internal.R.id.button1);
mButtons[4] = findViewById(com.android.internal.R.id.button5);
mButtons[5] = findViewById(com.android.internal.R.id.button6);
mNoAppsText = findViewById(com.android.internal.R.id.no_applications_message);
-
+
for (View b : mButtons) {
b.setOnClickListener(this);
}
* Handler for user clicks. If a button was clicked, launch the corresponding activity.
*/
public void onClick(View v) {
-
+
for (View b : mButtons) {
if (b == v) {
// prepare a launch intent and send it
@Override
public void onStop() {
super.onStop();
-
+
// dump extra memory we're hanging on to
for (View b : mButtons) {
setButtonAppearance(b, null, null);
// stop receiving broadcasts
getContext().unregisterReceiver(mBroadcastReceiver);
}
-
+
/**
* Reload the 6 buttons with recent activities
*/
private void reloadButtons() {
-
+
final Context context = getContext();
final PackageManager pm = context.getPackageManager();
- final ActivityManager am = (ActivityManager)
+ final ActivityManager am = (ActivityManager)
context.getSystemService(Context.ACTIVITY_SERVICE);
- final List<ActivityManager.RecentTaskInfo> recentTasks =
+ final List<ActivityManager.RecentTaskInfo> recentTasks =
am.getRecentTasks(MAX_RECENT_TASKS, 0);
-
+
ResolveInfo homeInfo = pm.resolveActivity(
new Intent(Intent.ACTION_MAIN).addCategory(Intent.CATEGORY_HOME),
0);
-
+
// Performance note: Our android performance guide says to prefer Iterator when
// using a List class, but because we know that getRecentTasks() always returns
// an ArrayList<>, we'll use a simple index instead.
int numTasks = recentTasks.size();
for (int i = 0; i < numTasks && (button < NUM_BUTTONS); ++i) {
final ActivityManager.RecentTaskInfo info = recentTasks.get(i);
-
+
// for debug purposes only, disallow first result to create empty lists
if (DBG_FORCE_EMPTY_LIST && (i == 0)) continue;
-
+
Intent intent = new Intent(info.baseIntent);
if (info.origActivity != null) {
intent.setComponent(info.origActivity);
}
-
+
// Skip the current home activity.
if (homeInfo != null) {
if (homeInfo.activityInfo.packageName.equals(
continue;
}
}
-
+
intent.setFlags((intent.getFlags()&~Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED)
| Intent.FLAG_ACTIVITY_NEW_TASK);
final ResolveInfo resolveInfo = pm.resolveActivity(intent, 0);
}
}
}
-
+
// handle the case of "no icons to show"
mNoAppsText.setVisibility((button == 0) ? View.VISIBLE : View.GONE);
-
+
// hide the rest
for ( ; button < NUM_BUTTONS; ++button) {
mButtons[button].setVisibility(View.GONE);
}
}
-
+
/**
* Adjust appearance of each icon-button
*/
private void setButtonAppearance(View theButton, final String theTitle, final Drawable icon) {
- TextView tv = (TextView) theButton.findViewById(com.android.internal.R.id.label);
+ TextView tv = (TextView) theButton;
tv.setText(theTitle);
- ImageView iv = (ImageView) theButton.findViewById(com.android.internal.R.id.icon);
- iv.setImageDrawable(icon);
+ if (icon != null) {
+ icon.setBounds(0, 0, mIconSize, mIconSize);
+ }
+ tv.setCompoundDrawables(null, icon, null, null);
}
/**
* This is the listener for the ACTION_CLOSE_SYSTEM_DIALOGS intent. It's an indication that
* we should close ourselves immediately, in order to allow a higher-priority UI to take over
* (e.g. phone call received).
- *
- * TODO: This is a really heavyweight solution for something that should be so simple.
- * For example, we already have a handler, in our superclass, why aren't we sharing that?
- * I think we need to investigate simplifying this entire methodology, or perhaps boosting
- * it up into the Dialog class.
*/
private BroadcastReceiver mBroadcastReceiver = new BroadcastReceiver() {
@Override
OSDN Git Service
