ADHOC/replicant-packages_apps_Email
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New back behavior

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The home icon on action bar and the system back key work slightly differently
on portrait.

home: full-screen message view -> mailbox list + message list
back: full-screen message view -> expanded message list
      -> mailbox list + message list

Bug 3228524

Change-Id: I9bb598315ee829c6a8300a35d194a29c7a26291f
This commit is contained in:
Makoto Onuki 2010-11-24 14:39:49 -08:00
parent 54513ed740
commit 36cf701784
3 changed files with 23 additions and 11 deletions
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10
src/com/android/email/activity/MessageListXL.java
View File

@ -225,14 +225,14 @@ public class MessageListXL extends Activity implements
/**
* Performs the back action.
*
* @param mayCloseActivity if true, the activity will close if it's already on top of the
* internal back state stack.
* @param isSystemBackKey set true if the system back key is pressed, rather than the home
* icon on action bar.
*/
private boolean onBackPressed(boolean mayCloseActivity) {
if (mFragmentManager.onBackPressed()) {
private boolean onBackPressed(boolean isSystemBackKey) {
if (mFragmentManager.onBackPressed(isSystemBackKey)) {
return true;
}
if (mayCloseActivity) {
if (isSystemBackKey) {
// Perform the default behavior.
super.onBackPressed();
return true;

9
src/com/android/email/activity/MessageListXLFragmentManager.java
View File

@ -346,12 +346,13 @@ class MessageListXLFragmentManager {
}
/**
* Handles back press.
* Handles the back event.
*
* @return true "back" is handled.
* @param isSystemBackKey See {@link ThreePaneLayout#onBackPressed}
* @return true if the event is handled.
*/
public boolean onBackPressed() {
return mThreePane.onBackPressed();
public boolean onBackPressed(boolean isSystemBackKey) {
return mThreePane.onBackPressed(isSystemBackKey);
}
/**

13
src/com/android/email/activity/ThreePaneLayout.java
View File

@ -212,7 +212,14 @@ public class ThreePaneLayout extends LinearLayout implements View.OnClickListene
return ret;
}
public boolean onBackPressed() {
/**
* Handles the back event.
*
* @param isSystemBackKey set true if the system back key is pressed, rather than the home
* icon on action bar.
* @return true if the event is handled.
*/
public boolean onBackPressed(boolean isSystemBackKey) {
if (isLandscape()) {
switch (mPaneState) {
case STATE_RIGHT_VISIBLE:
@ -222,7 +229,11 @@ public class ThreePaneLayout extends LinearLayout implements View.OnClickListene
} else {
switch (mPaneState) {
case STATE_RIGHT_VISIBLE:
if (isSystemBackKey) {
changePaneState(STATE_LEFT_VISIBLE, true);
} else {
changePaneState(STATE_PORTRAIT_MIDDLE_EXPANDED, true);
}
return true;
case STATE_PORTRAIT_MIDDLE_EXPANDED:
changePaneState(STATE_LEFT_VISIBLE, true);