Example usage: *
{@code
* <com.android.setupwizardlib.GlifLayout
* xmlns:android="http://schemas.android.com/apk/res/android"
* xmlns:app="http://schemas.android.com/apk/res-auto"
* android:layout_width="match_parent"
* android:layout_height="match_parent"
* android:icon="@drawable/my_icon"
* app:suwHeaderText="@string/my_title">
*
* <!-- Content here -->
*
* </com.android.setupwizardlib.GlifLayout>
* }
*/
public class GlifLayout extends TemplateLayout {
private static final String TAG = "GlifLayout";
private ColorStateList mPrimaryColor;
public GlifLayout(Context context) {
this(context, 0, 0);
}
public GlifLayout(Context context, int template) {
this(context, template, 0);
}
public GlifLayout(Context context, int template, int containerId) {
super(context, template, containerId);
init(null, R.attr.suwLayoutTheme);
}
public GlifLayout(Context context, AttributeSet attrs) {
super(context, attrs);
init(attrs, R.attr.suwLayoutTheme);
}
@TargetApi(VERSION_CODES.HONEYCOMB)
public GlifLayout(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(attrs, defStyleAttr);
}
// All the constructors delegate to this init method. The 3-argument constructor is not
// available in LinearLayout before v11, so call super with the exact same arguments.
private void init(AttributeSet attrs, int defStyleAttr) {
final TypedArray a = getContext().obtainStyledAttributes(attrs,
R.styleable.SuwGlifLayout, defStyleAttr, 0);
final Drawable icon = a.getDrawable(R.styleable.SuwGlifLayout_android_icon);
if (icon != null) {
setIcon(icon);
}
// Set the header color
final ColorStateList headerColor =
a.getColorStateList(R.styleable.SuwGlifLayout_suwHeaderColor);
if (headerColor != null) {
setHeaderColor(headerColor);
}
// Set the header text
final CharSequence headerText =
a.getText(R.styleable.SuwGlifLayout_suwHeaderText);
if (headerText != null) {
setHeaderText(headerText);
}
final ColorStateList primaryColor =
a.getColorStateList(R.styleable.SuwGlifLayout_android_colorPrimary);
setPrimaryColor(primaryColor);
a.recycle();
}
@Override
protected View onInflateTemplate(LayoutInflater inflater, int template) {
if (template == 0) {
template = R.layout.suw_glif_template;
}
try {
return super.onInflateTemplate(inflater, template);
} catch (RuntimeException e) {
// Versions before M throws RuntimeException for unsuccessful attribute resolution
// Versions M+ will throw an InflateException (which extends from RuntimeException)
throw new InflateException("Unable to inflate layout. Are you using "
+ "@style/SuwThemeGlif (or its descendant) as your theme?", e);
}
}
@Override
protected ViewGroup findContainer(int containerId) {
if (containerId == 0) {
containerId = R.id.suw_layout_content;
}
return super.findContainer(containerId);
}
/**
* Same as {@link android.view.View#findViewById(int)}, but may include views that are managed
* by this view but not currently added to the view hierarchy. e.g. recycler view or list view
* headers that are not currently shown.
*/
protected View findManagedViewById(int id) {
return findViewById(id);
}
public ScrollView getScrollView() {
final View view = findManagedViewById(R.id.suw_scroll_view);
return view instanceof ScrollView ? (ScrollView) view : null;
}
public TextView getHeaderTextView() {
return (TextView) findManagedViewById(R.id.suw_layout_title);
}
public void setHeaderText(int title) {
setHeaderText(getContext().getResources().getText(title));
}
public void setHeaderText(CharSequence title) {
final TextView titleView = getHeaderTextView();
if (titleView != null) {
titleView.setText(title);
}
}
public CharSequence getHeaderText() {
final TextView titleView = getHeaderTextView();
return titleView != null ? titleView.getText() : null;
}
public void setHeaderColor(ColorStateList color) {
final TextView titleView = getHeaderTextView();
if (titleView != null) {
titleView.setTextColor(color);
}
}
public ColorStateList getHeaderColor() {
final TextView titleView = getHeaderTextView();
return titleView != null ? titleView.getTextColors() : null;
}
public void setIcon(Drawable icon) {
final ImageView iconView = getIconView();
if (iconView != null) {
iconView.setImageDrawable(icon);
}
}
public Drawable getIcon() {
final ImageView iconView = getIconView();
return iconView != null ? iconView.getDrawable() : null;
}
protected ImageView getIconView() {
return (ImageView) findManagedViewById(R.id.suw_layout_icon);
}
public void setPrimaryColor(ColorStateList color) {
mPrimaryColor = color;
setGlifPatternColor(color);
setProgressBarColor(color);
}
public ColorStateList getPrimaryColor() {
return mPrimaryColor;
}
private void setGlifPatternColor(ColorStateList color) {
if (Build.VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
final View patternBg = findManagedViewById(R.id.suw_pattern_bg);
if (patternBg != null) {
final GlifPatternDrawable background =
new GlifPatternDrawable(color.getDefaultColor());
if (patternBg instanceof StatusBarBackgroundLayout) {
((StatusBarBackgroundLayout) patternBg).setStatusBarBackground(background);
} else {
patternBg.setBackground(background);
}
}
}
}
public boolean isProgressBarShown() {
final View progressBar = findManagedViewById(R.id.suw_layout_progress);
return progressBar != null && progressBar.getVisibility() == View.VISIBLE;
}
public void setProgressBarShown(boolean shown) {
if (shown) {
View progressBar = getProgressBar();
if (progressBar != null) {
progressBar.setVisibility(View.VISIBLE);
}
} else {
View progressBar = peekProgressBar();
if (progressBar != null) {
progressBar.setVisibility(View.GONE);
}
}
}
/**
* Gets the progress bar in the layout. If the progress bar has not been used before, it will be
* installed (i.e. inflated from its view stub).
*
* @return The progress bar of this layout. May be null only if the template used doesn't have a
* progress bar built-in.
*/
private ProgressBar getProgressBar() {
final View progressBar = peekProgressBar();
if (progressBar == null) {
final ViewStub progressBarStub =
(ViewStub) findManagedViewById(R.id.suw_layout_progress_stub);
if (progressBarStub != null) {
progressBarStub.inflate();
}
setProgressBarColor(mPrimaryColor);
}
return peekProgressBar();
}
/**
* Gets the progress bar in the layout only if it has been installed.
* {@link #setProgressBarShown(boolean)} should be called before this to ensure the progress bar
* is set up correctly.
*
* @return The progress bar of this layout, or null if the progress bar is not installed. The
* null case can happen either if {@link #setProgressBarShown(boolean)} with true was
* not called before this, or if the template does not contain a progress bar.
*/
public ProgressBar peekProgressBar() {
return (ProgressBar) findManagedViewById(R.id.suw_layout_progress);
}
private void setProgressBarColor(ColorStateList color) {
if (Build.VERSION.SDK_INT >= VERSION_CODES.LOLLIPOP) {
final ProgressBar bar = peekProgressBar();
if (bar != null) {
bar.setIndeterminateTintList(color);
}
}
}
}