Merge "[WifiSetup] Tablet landscape layout" into lmp-dev

This commit is contained in:
Maurice Lam
2014-07-23 23:00:41 +00:00
committed by Android (Google) Code Review
8 changed files with 171 additions and 49 deletions

View File

@@ -22,49 +22,51 @@ import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.util.AttributeSet;
import android.util.Log;
import android.widget.FrameLayout;
/*
* Copied from com.google.android.setupwizard.util.SetupWizardHeader
*/
public class SetupWizardHeader extends FrameLayout {
import com.android.settings.R;
// Size the baseline grid in pixels
/**
* Class to draw the illustration of setup wizard. The aspectRatio attribute determines the aspect
* ratio of the top padding, which is leaving space for the illustration. Draws an illustration
* (foreground) to fit the width of the view and fills the rest with the background.
*
* Copied from com.google.android.setupwizard.util.SetupWizardIllustration
*/
public class SetupWizardIllustration extends FrameLayout {
private static final String TAG = "SetupWizardIllustration";
// Size of the baseline grid in pixels
private float mBaselineGridSize;
private Drawable mBackground;
private Drawable mForeground;
private int mForegroundHeight;
private int mForegroundHeight = 0;
private float mScale = 1.0f;
private float mAspectRatio = 0.0f;
public SetupWizardHeader(Context context) {
super(context);
init();
public SetupWizardIllustration(Context context) {
this(context, null);
}
public SetupWizardHeader(Context context, AttributeSet attrs) {
super(context, attrs);
initFromAttributes(context, attrs);
public SetupWizardIllustration(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public SetupWizardHeader(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
initFromAttributes(context, attrs);
public SetupWizardIllustration(Context context, AttributeSet attrs, int defStyleAttr) {
this(context, attrs, defStyleAttr, 0);
}
public SetupWizardHeader(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
public SetupWizardIllustration(Context context, AttributeSet attrs, int defStyleAttr,
int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
initFromAttributes(context, attrs);
}
private void initFromAttributes(Context context, AttributeSet attrs) {
TypedArray a = context.obtainStyledAttributes(attrs,
new int[] { android.R.attr.foreground });
setForeground(a.getDrawable(0));
init();
}
protected void init() {
if (attrs != null) {
TypedArray a = context.obtainStyledAttributes(attrs,
R.styleable.SetupWizardIllustration, 0, 0);
mAspectRatio = a.getFloat(R.styleable.SetupWizardIllustration_aspectRatio, 0.0f);
a.recycle();
}
// Number of pixels of the 8dp baseline grid as defined in material design specs
mBaselineGridSize = getResources().getDisplayMetrics().density * 8;
setWillNotDraw(false);
@@ -83,15 +85,19 @@ public class SetupWizardHeader extends FrameLayout {
* Sets the drawable used as the illustration. THe drawable is expected to have intrinsic
* width and height defined and will be scaled to fit the width of the view.
*/
@Override
public void setForeground(Drawable foreground) {
mForeground = foreground;
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int illustrationHeight = MeasureSpec.getSize(widthMeasureSpec) / 2;
illustrationHeight -= illustrationHeight % mBaselineGridSize;
setPadding(0, illustrationHeight, 0, 0);
if (mAspectRatio != 0.0f) {
int parentWidth = MeasureSpec.getSize(widthMeasureSpec);
int illustrationHeight = (int) (parentWidth / mAspectRatio);
illustrationHeight -= illustrationHeight % mBaselineGridSize;
setPaddingRelative(0, illustrationHeight, 0, 0);
}
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
}
@@ -100,16 +106,25 @@ public class SetupWizardHeader extends FrameLayout {
final int layoutWidth = right - left;
final int layoutHeight = bottom - top;
if (mForeground != null) {
// Scale the foreground to fill the width of the view
mScale = layoutWidth / (float) mForeground.getIntrinsicWidth();
mForegroundHeight = (int) (mForeground.getIntrinsicHeight() * mScale);
mForeground.setBounds(0, 0, layoutWidth, mForegroundHeight);
final float intrinsicWidth = mForeground.getIntrinsicWidth();
final float intrinsicHeight = mForeground.getIntrinsicHeight();
if (intrinsicWidth <= 0 || intrinsicHeight <= 0) {
Log.e(TAG, "Foreground drawable intrinsic size must be defined and positive");
mForeground = null;
mForegroundHeight = 0;
mScale = 1.0f;
} else {
// Scale the foreground to fill the width of the view
mScale = layoutWidth / intrinsicWidth;
mForegroundHeight = (int) (intrinsicHeight * mScale);
mForeground.setBounds(0, 0, layoutWidth, mForegroundHeight);
}
}
if (mBackground != null) {
// Scale the bounds by mScale to compensate for the scale done to the canvas before
// drawing.
mBackground.setBounds(0, 0, (int) (layoutWidth / mScale),
(int) ((layoutHeight - mForegroundHeight) / mScale));
mBackground.setBounds(0, 0, (int) Math.ceil(layoutWidth / mScale),
(int) Math.ceil((layoutHeight - mForegroundHeight) / mScale));
}
super.onLayout(changed, left, top, right, bottom);
}
@@ -117,19 +132,20 @@ public class SetupWizardHeader extends FrameLayout {
@Override
public void onDraw(Canvas canvas) {
if (mBackground != null) {
canvas.save();
// Draw the background filling parts not covered by the illustration
int saveCount = canvas.save();
canvas.translate(0, mForegroundHeight);
// Scale the background so its size matches the foreground
canvas.scale(mScale, mScale, 0, 0);
mBackground.draw(canvas);
canvas.restoreToCount(saveCount);
canvas.restore();
}
if (mForeground != null) {
canvas.save();
// Draw the illustration
mForeground.draw(canvas);
canvas.restore();
}
super.onDraw(canvas);
}
}

View File

@@ -28,10 +28,10 @@ import android.view.WindowInsets;
import android.widget.ListView;
/**
* This class provides sticky header functionality in a list view, to use with SetupWizardHeader.
* To use this, add a header tagged with "sticky", or a header tagged with "stickyContainer" and
* one of its child tagged as "sticky". The sticky container will be draw when the sticky element
* hits the top of the view.
* This class provides sticky header functionality in a list view, to use with
* SetupWizardIllustration. To use this, add a header tagged with "sticky", or a header tagged with
* "stickyContainer" and one of its child tagged as "sticky". The sticky container will be drawn
* when the sticky element hits the top of the view.
*
* There are a few things to note:
* 1. The two supported scenarios are StickyHeaderListView -> Header (stickyContainer) -> sticky,
@@ -41,7 +41,7 @@ import android.widget.ListView;
* 3. If fitsSystemWindows is true, then this will offset the sticking position by the height of
* the system decorations at the top of the screen.
*
* @see com.google.android.setupwizard.util.SetupWizardHeader
* @see SetupWizardIllustration
* @see com.google.android.setupwizard.util.StickyHeaderScrollView
*
* Copied from com.google.android.setupwizard.util.StickyHeaderListView