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-rw-r--r--core/java/android/app/FragmentBreadCrumbs.java33
-rw-r--r--core/java/android/preference/PreferenceActivity.java21
-rw-r--r--core/java/android/preference/PreferenceFrameLayout.java6
3 files changed, 42 insertions, 18 deletions
diff --git a/core/java/android/app/FragmentBreadCrumbs.java b/core/java/android/app/FragmentBreadCrumbs.java
index 139095f..8d76ffe 100644
--- a/core/java/android/app/FragmentBreadCrumbs.java
+++ b/core/java/android/app/FragmentBreadCrumbs.java
@@ -41,6 +41,7 @@ public class FragmentBreadCrumbs extends ViewGroup
Activity mActivity;
LayoutInflater mInflater;
LinearLayout mContainer;
+ int mMaxVisible = -1;
// Hahah
BackStackRecord mTopEntry;
@@ -74,6 +75,14 @@ public class FragmentBreadCrumbs extends ViewGroup
}
/**
+ * The maximum number of crumbs to show.
+ * @hide
+ */
+ public void setMaxVisible(int visibleCrumbs) {
+ mMaxVisible = visibleCrumbs;
+ }
+
+ /**
* Set a custom title for the bread crumbs. This will be the first entry
* shown at the left, representing the root of the bread crumbs. If the
* title is null, it will not be shown.
@@ -160,17 +169,17 @@ public class FragmentBreadCrumbs extends ViewGroup
}
}
if (viewI >= numViews) {
- View item = mInflater.inflate(
+ final View item = mInflater.inflate(
com.android.internal.R.layout.fragment_bread_crumb_item,
this, false);
- TextView text = (TextView)item.findViewById(com.android.internal.R.id.title);
+ final TextView text = (TextView) item.findViewById(com.android.internal.R.id.title);
text.setText(bse.getBreadCrumbTitle());
- item.setTag(bse);
+ text.setTag(bse);
if (viewI == 0) {
- text.setCompoundDrawables(null, null, null, null);
+ item.findViewById(com.android.internal.R.id.left_icon).setVisibility(View.GONE);
}
mContainer.addView(item);
- item.setOnClickListener(mOnClickListener);
+ text.setOnClickListener(mOnClickListener);
}
}
int viewI = mTopEntry != null ? numEntries + 1 : numEntries;
@@ -179,6 +188,20 @@ public class FragmentBreadCrumbs extends ViewGroup
mContainer.removeViewAt(numViews-1);
numViews--;
}
+ // Adjust the visibility and availability of the bread crumbs and divider
+ for (int i = 0; i < numViews; i++) {
+ final View child = mContainer.getChildAt(i);
+ // Disable the last one
+ child.findViewById(com.android.internal.R.id.title).setEnabled(i < numViews - 1);
+ if (mMaxVisible > 0) {
+ // Make only the last mMaxVisible crumbs visible
+ child.setVisibility(i < numViews - mMaxVisible ? View.GONE : View.VISIBLE);
+ final View leftIcon = child.findViewById(com.android.internal.R.id.left_icon);
+ // Remove the divider for all but the last mMaxVisible - 1
+ leftIcon.setVisibility(i > numViews - mMaxVisible && i != 0 ? View.VISIBLE
+ : View.GONE);
+ }
+ }
}
private OnClickListener mOnClickListener = new OnClickListener() {
diff --git a/core/java/android/preference/PreferenceActivity.java b/core/java/android/preference/PreferenceActivity.java
index aedbfca..6172ce9 100644
--- a/core/java/android/preference/PreferenceActivity.java
+++ b/core/java/android/preference/PreferenceActivity.java
@@ -171,7 +171,7 @@ public abstract class PreferenceActivity extends ListActivity implements
private FrameLayout mListFooter;
- private View mPrefsContainer;
+ private ViewGroup mPrefsContainer;
private FragmentBreadCrumbs mFragmentBreadCrumbs;
@@ -491,7 +491,7 @@ public abstract class PreferenceActivity extends ListActivity implements
setContentView(com.android.internal.R.layout.preference_list_content);
mListFooter = (FrameLayout)findViewById(com.android.internal.R.id.list_footer);
- mPrefsContainer = findViewById(com.android.internal.R.id.prefs);
+ mPrefsContainer = (ViewGroup) findViewById(com.android.internal.R.id.prefs_frame);
boolean hidingHeaders = onIsHidingHeaders();
mSinglePane = hidingHeaders || !onIsMultiPane();
String initialFragment = getIntent().getStringExtra(EXTRA_SHOW_FRAGMENT);
@@ -559,7 +559,7 @@ public abstract class PreferenceActivity extends ListActivity implements
// of preferences" mode.
setContentView(com.android.internal.R.layout.preference_list_content_single);
mListFooter = (FrameLayout) findViewById(com.android.internal.R.id.list_footer);
- mPrefsContainer = findViewById(com.android.internal.R.id.prefs);
+ mPrefsContainer = (ViewGroup) findViewById(com.android.internal.R.id.prefs);
mPreferenceManager = new PreferenceManager(this, FIRST_REQUEST_CODE);
mPreferenceManager.setOnPreferenceTreeClickListener(this);
}
@@ -990,13 +990,16 @@ public abstract class PreferenceActivity extends ListActivity implements
*/
public void showBreadCrumbs(CharSequence title, CharSequence shortTitle) {
if (mFragmentBreadCrumbs == null) {
- mFragmentBreadCrumbs = new FragmentBreadCrumbs(this);
- mFragmentBreadCrumbs.setActivity(this);
-
- ActionBar actionBar = getActionBar();
- if (actionBar != null) {
- actionBar.setCustomNavigationMode(mFragmentBreadCrumbs);
+ mFragmentBreadCrumbs = (FragmentBreadCrumbs) findViewById(android.R.id.title);
+ if (mFragmentBreadCrumbs == null) {
+ mFragmentBreadCrumbs = new FragmentBreadCrumbs(this);
+ ActionBar actionBar = getActionBar();
+ if (actionBar != null) {
+ actionBar.setCustomNavigationMode(mFragmentBreadCrumbs);
+ }
}
+ mFragmentBreadCrumbs.setMaxVisible(2);
+ mFragmentBreadCrumbs.setActivity(this);
}
mFragmentBreadCrumbs.setTitle(title, shortTitle);
}
diff --git a/core/java/android/preference/PreferenceFrameLayout.java b/core/java/android/preference/PreferenceFrameLayout.java
index 4c737b5..75372aa 100644
--- a/core/java/android/preference/PreferenceFrameLayout.java
+++ b/core/java/android/preference/PreferenceFrameLayout.java
@@ -16,13 +16,12 @@
package android.preference;
+import android.app.FragmentBreadCrumbs;
import android.content.Context;
import android.content.res.TypedArray;
import android.util.AttributeSet;
import android.view.View;
-import android.view.ViewGroup.MarginLayoutParams;
import android.widget.FrameLayout;
-import android.widget.FrameLayout.LayoutParams;
/**
* @hide
@@ -36,7 +35,7 @@ public class PreferenceFrameLayout extends FrameLayout {
private final int mBorderBottom;
private final int mBorderLeft;
private final int mBorderRight;
- private boolean mPaddingApplied = false;
+ private boolean mPaddingApplied;
public PreferenceFrameLayout(Context context) {
this(context, null);
@@ -70,7 +69,6 @@ public class PreferenceFrameLayout extends FrameLayout {
com.android.internal.R.styleable.PreferenceFrameLayout_borderRight,
defaultRightPadding);
-
a.recycle();
}
generated by cgit v1.1 at 2024-11-04 00:29:18 +0000