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Code Issues Releases Wiki Activity

Save/Restore the FoldableLinearLayout state

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This commit is contained in:
Joe Steele 2014-08-28 17:48:37 -04:00
parent a756fa3683
commit 8ade424270
2 changed files with 57 additions and 0 deletions
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1
res/layout/account_setup_basics.xml
View File

@ -48,6 +48,7 @@
android:visibility="gone"
/>
<com.fsck.k9.view.FoldableLinearLayout
android:id="@+id/foldable_advanced_options"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="16dp"

56
src/com/fsck/k9/view/FoldableLinearLayout.java
View File

@ -5,6 +5,8 @@ import com.fsck.k9.R;
import android.content.Context;
import android.content.res.Resources.Theme;
import android.content.res.TypedArray;
import android.os.Parcel;
import android.os.Parcelable;
import android.util.AttributeSet;
import android.util.TypedValue;
import android.view.LayoutInflater;
@ -97,6 +99,60 @@ public class FoldableLinearLayout extends LinearLayout {
super.onFinishInflate();
}
@Override
protected Parcelable onSaveInstanceState() {
Parcelable superState = super.onSaveInstanceState();
SavedState savedState = new SavedState(superState);
savedState.mFolded = mIsFolded;
return savedState;
}
@Override
protected void onRestoreInstanceState(Parcelable state) {
if (state instanceof SavedState) {
SavedState savedState = (SavedState) state;
super.onRestoreInstanceState(savedState.getSuperState());
mIsFolded = savedState.mFolded;
updateFoldedState(mIsFolded, false);
} else {
super.onRestoreInstanceState(state);
}
}
static class SavedState extends BaseSavedState {
static final Parcelable.Creator<SavedState> CREATOR =
new Parcelable.Creator<FoldableLinearLayout.SavedState>() {
@Override
public SavedState createFromParcel(Parcel source) {
return new SavedState(source);
}
@Override
public SavedState[] newArray(int size) {
return new SavedState[size];
}
};
private boolean mFolded;
private SavedState(Parcel parcel) {
super(parcel);
mFolded = (parcel.readInt() == 1);
}
private SavedState(Parcelable superState) {
super(superState);
}
@Override
public void writeToParcel(Parcel dest, int flags) {
super.writeToParcel(dest, flags);
dest.writeInt(mFolded ? 1 : 0);
}
}
/**
* Migrates Child views as declared in xml to the inner foldableContainer
*/