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jamie-beardedhenjamie-beardedhen
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Merge pull request #152 from redwerk/bootstrap_alerts
Bootstrap Alert implementation
2 parents 2249f5c + ca7d457 commit 2d2aeb9

14 files changed

Lines changed: 413 additions & 6 deletions

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‎AndroidBootstrap/src/main/java/com/beardedhen/androidbootstrap/BootstrapAlert.java‎

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@@ -0,0 +1,218 @@
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package com.beardedhen.androidbootstrap;
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import android.content.Context;
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import android.content.res.TypedArray;
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import android.graphics.Rect;
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import android.graphics.drawable.Drawable;
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import android.os.Build;
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import android.text.Html;
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import android.util.AttributeSet;
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import android.view.Gravity;
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import android.view.TouchDelegate;
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import android.view.View;
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import android.view.animation.AccelerateInterpolator;
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import android.view.animation.AlphaAnimation;
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import android.view.animation.Animation;
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import android.widget.ImageView;
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import android.widget.RelativeLayout;
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import android.widget.TextView;
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import com.beardedhen.androidbootstrap.api.attributes.BootstrapBrand;
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import com.beardedhen.androidbootstrap.api.defaults.DefaultBootstrapBrand;
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import com.beardedhen.androidbootstrap.utils.DimenUtils;
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import java.util.concurrent.atomic.AtomicInteger;
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public class BootstrapAlert extends RelativeLayout {
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private ImageView closeButton;
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private TextView alertText;
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private BootstrapBrand bootstrapBrand;
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private String strongText;
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private String messageText;
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private float baselineFontSize;
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private float baselinePadding;
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private AlphaAnimation fadeInAnimation;
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private AlphaAnimation fadeOutAnimation;
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private boolean dismissible;
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private boolean hidden;
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private OnDismissListener onDismissListener;
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private static final AtomicInteger nextGeneratedId = new AtomicInteger(1);
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public BootstrapAlert(Context context) {
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super(context);
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initialise(null);
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}
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public BootstrapAlert(Context context, AttributeSet attrs) {
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super(context, attrs);
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initialise(attrs);
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}
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public BootstrapAlert(Context context, AttributeSet attrs, int defStyleAttr) {
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super(context, attrs, defStyleAttr);
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initialise(attrs);
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}
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private void initialise(AttributeSet attrs) {
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TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.BootstrapAlert);
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try {
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int typeOrdinal = a.getInt(R.styleable.BootstrapAlert_bootstrapBrand, -1);
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this.bootstrapBrand = DefaultBootstrapBrand.fromAttributeValue(typeOrdinal);
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strongText = a.getString(R.styleable.BootstrapAlert_strongText);
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messageText = a.getString(R.styleable.BootstrapAlert_messageText);
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dismissible = a.getBoolean(R.styleable.BootstrapAlert_dismissible, false);
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if (strongText == null) {
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strongText = "";
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}
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if (messageText == null) {
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messageText = "";
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}
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} finally {
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a.recycle();
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}
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baselineFontSize = DimenUtils.pixelsFromSpResource(getContext(), R.dimen.bootstrap_button_default_font_size);
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baselinePadding = DimenUtils.pixelsFromDpResource(getContext(), R.dimen.bootstrap_alert_paddings);
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updateBootstrapState();
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}
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private void updateBootstrapState() {
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alertText = new TextView(getContext());
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closeButton = new ImageView(getContext());
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) {
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alertText.setId(generateViewUniqueId());
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closeButton.setId(generateViewUniqueId());
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} else {
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alertText.setId(View.generateViewId());
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closeButton.setId(View.generateViewId());
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}
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fadeInAnimation = new AlphaAnimation(0.0f, 1.0f);
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fadeInAnimation.setDuration(300);
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fadeInAnimation.setInterpolator(new AccelerateInterpolator());
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fadeOutAnimation = new AlphaAnimation(1.0f, 0.0f);
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fadeOutAnimation.setDuration(300);
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fadeOutAnimation.setInterpolator(new AccelerateInterpolator());
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fadeInAnimation.setAnimationListener(new Animation.AnimationListener() {
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@Override public void onAnimationStart(Animation animation) {setVisibility(VISIBLE);}
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@Override public void onAnimationEnd(Animation animation) {}
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@Override public void onAnimationRepeat(Animation animation) {}
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});
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fadeOutAnimation.setAnimationListener(new Animation.AnimationListener() {
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@Override public void onAnimationStart(Animation animation) {}
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@Override public void onAnimationEnd(Animation animation) {
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setVisibility(GONE);
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if (onDismissListener != null) onDismissListener.onDismiss();
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}
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@Override public void onAnimationRepeat(Animation animation) {}
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});
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LayoutParams textParams = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT);
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LayoutParams closeParams = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
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textParams.addRule(RelativeLayout.LEFT_OF, closeButton.getId());
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closeParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT, RelativeLayout.TRUE);
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alertText.setLayoutParams(textParams);
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alertText.setTextSize(baselineFontSize);
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alertText.setGravity(Gravity.LEFT);
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alertText.setTextColor(BootstrapDrawableFactory.bootstrapButtonText(
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getContext(),
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true,
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bootstrapBrand));
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alertText.setText(Html.fromHtml(String.format("<b>%s</b>%s", strongText, (strongText.length() > 0 ? "&nbsp;" + messageText : messageText))));
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closeButton.setLayoutParams(closeParams);
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closeButton.setBackgroundDrawable(BootstrapDrawableFactory.bootstrapAlertCloseIcon(
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getContext(),
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(int) baselineFontSize,
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(int) baselineFontSize,
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DimenUtils.dpToPixels(6)));
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Drawable bg = BootstrapDrawableFactory.bootstrapAlert(
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getContext(),
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bootstrapBrand);
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if (Build.VERSION.SDK_INT >= 16) {
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setBackground(bg);
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} else {
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setBackgroundDrawable(bg);
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}
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addView(alertText);
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if (dismissible) {
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addView(closeButton);
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((View) closeButton.getParent()).post(new Runnable() {
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@Override
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public void run() {
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Rect bounds = new Rect();
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closeButton.getHitRect(bounds);
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bounds.top -= DimenUtils.dpToPixels(6);
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bounds.bottom += DimenUtils.dpToPixels(6);
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bounds.left -= DimenUtils.dpToPixels(6);
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bounds.right += DimenUtils.dpToPixels(6);
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TouchDelegate touchDelegate = new TouchDelegate(bounds, closeButton);
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if (View.class.isInstance(closeButton.getParent())) {
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((View) closeButton.getParent()).setTouchDelegate(touchDelegate);
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}
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}
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});
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closeButton.setOnClickListener(
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new OnClickListener() {
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@Override public void onClick(View v) {
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hide();
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}
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}
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);
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}
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int vert = (int) (baselinePadding * 1.5);
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int hori = (int) (baselinePadding * 1.5);
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setPadding(hori, vert, hori, vert);
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}
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public void hide() {
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hidden = true;
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startAnimation(fadeOutAnimation);
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}
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public void show() {
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hidden = false;
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startAnimation(fadeInAnimation);
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}
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public boolean isHidden() {
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return hidden;
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}
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public void setOnDismissListener(OnDismissListener onDismissListener) {
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this.onDismissListener = onDismissListener;
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}
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private int generateViewUniqueId() {
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for (;;) {
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final int result = nextGeneratedId.get();
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// aapt-generated IDs have the high byte nonzero; clamp to the range under that.
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int newValue = result + 1;
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if (newValue > 0x00FFFFFF) newValue = 1; // Roll over to 1, not 0.
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if (nextGeneratedId.compareAndSet(result, newValue)) {
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return result;
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}
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}
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}
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public interface OnDismissListener {
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void onDismiss();
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}
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}

‎AndroidBootstrap/src/main/java/com/beardedhen/androidbootstrap/BootstrapDrawableFactory.java‎

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@@ -177,6 +177,19 @@ static Drawable bootstrapThumbnail(Context context,
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return drawable;
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}
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static Drawable bootstrapAlert(Context context,
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BootstrapBrand bootstrapBrand) {
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GradientDrawable disabledGd = new GradientDrawable();
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int strokeWidth = context.getResources().getDimensionPixelSize(R.dimen.bootstrap_alert_stroke_width);
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disabledGd.setColor(ColorUtils.increaseOpacity(context, bootstrapBrand.getColor(), 40));
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disabledGd.setCornerRadius(6);
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disabledGd.setStroke(strokeWidth, ColorUtils.increaseOpacity(context, bootstrapBrand.getColor(), 70));
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return disabledGd;
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}
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/**
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* Generates a colorstatelist for a bootstrap button
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*
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return stateListDrawable;
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}
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static StateListDrawable bootstrapAlertCloseIcon(Context context, int width, int height, int inset) {
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StateListDrawable stateListDrawable = new StateListDrawable();
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int defaultColor = ColorUtils.resolveColor(R.color.bootstrap_alert_cross_default, context);
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int activeColor = ColorUtils.resolveColor(R.color.bootstrap_gray, context);
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int disabledColor = ColorUtils.resolveColor(R.color.bootstrap_alert_cross_default, context);
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if (Build.VERSION.SDK_INT >= 14) {
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stateListDrawable.addState(new int[]{android.R.attr.state_hovered}, createCloseCrossIcon(context, width, height, activeColor, inset));
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}
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stateListDrawable.addState(new int[]{android.R.attr.state_activated}, createCloseCrossIcon(context, width, height, activeColor, inset));
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stateListDrawable.addState(new int[]{android.R.attr.state_focused}, createCloseCrossIcon(context, width, height, activeColor, inset));
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stateListDrawable.addState(new int[]{android.R.attr.state_pressed}, createCloseCrossIcon(context, width, height, activeColor, inset));
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stateListDrawable.addState(new int[]{android.R.attr.state_selected}, createCloseCrossIcon(context, width, height, activeColor, inset));
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stateListDrawable.addState(new int[]{-android.R.attr.state_enabled}, createCloseCrossIcon(context, width, height, disabledColor, inset));
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stateListDrawable.addState(new int[]{}, createCloseCrossIcon(context, width, height, defaultColor, inset));
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return stateListDrawable;
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}
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/**
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* Creates arrow icon that depends on ExpandDirection
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*
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return new BitmapDrawable(context.getResources(), canvasBitmap);
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}
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private static Drawable createCloseCrossIcon(Context context, int width, int height, int color, int inset) {
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Bitmap canvasBitmap = Bitmap.createBitmap(width + inset * 2, height + inset * 2, Bitmap.Config.ARGB_8888);
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Canvas canvas = new Canvas(canvasBitmap);
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Paint paint = new Paint();
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paint.setStyle(Paint.Style.FILL_AND_STROKE);
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paint.setStrokeWidth(3);
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paint.setColor(color);
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paint.setAntiAlias(true);
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Path path = new Path();
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path.setFillType(Path.FillType.EVEN_ODD);
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path.moveTo(inset, inset);
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path.lineTo(width + inset, height + inset);
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path.moveTo(width + inset, inset);
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path.lineTo(inset, height + inset);
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path.close();
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canvas.drawPath(path, paint);
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return new BitmapDrawable(context.getResources(), canvasBitmap);
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}
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static ColorStateList bootstrapDropDownViewText(Context context) {
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int defaultColor = context.getResources().getColor(R.color.bootstrap_gray_dark);

‎AndroidBootstrap/src/main/java/com/beardedhen/androidbootstrap/api/attributes/BootstrapBrand.java‎

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*/
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@ColorInt int disabledTextColor(Context context);
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@ColorInt int getColor();
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}

‎AndroidBootstrap/src/main/java/com/beardedhen/androidbootstrap/api/defaults/DefaultBootstrapBrand.java‎

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return resolveColor(textColor, context);
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}
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@ColorInt public int getColor() {
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return color;
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}
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}

‎AndroidBootstrap/src/main/res/values/attrs.xml‎

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<attr name="checked" format="boolean"/>
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<attr name="dropdownResource" format="reference"/>
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<attr name="itemHeight" format="dimension"/>
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<attr name="strongText" format="string"/>
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<attr name="messageText" format="string"/>
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<attr name="dismissible" format="boolean"/>
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<!-- View attributes -->
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<attr name="bootstrapSize"/>
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</declare-styleable>
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<declare-styleable name="BootstrapAlert">
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<attr name="bootstrapBrand"/>
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<attr name="strongText"/>
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<attr name="messageText"/>
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<attr name="dismissible"/>
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</declare-styleable>
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127137
</resources>
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‎AndroidBootstrap/src/main/res/values/colors.xml‎

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<color name="bootstrap_well_background">#F5F5F5</color>
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<color name="bootstrap_dropdown_divider">#e7e7e7</color>
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<color name="bootstrap_well_border_color">#E7E7E7</color>
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<color name="bootstrap_alert_cross_default">#64818a91</color>
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</resources>

‎AndroidBootstrap/src/main/res/values/dimens.xml‎

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<dimen name="bootstrap_edit_text_corner_radius">6dp</dimen>
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<dimen name="bootstrap_edit_text_edge_width">1.5dp</dimen>
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<!--Default alert size -->
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<dimen name="bootstrap_alert_paddings">8dp</dimen>
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<dimen name="bootstrap_alert_stroke_width">1dp</dimen>
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<dimen name="bootstrap_alert_default_font_size">14sp</dimen>
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<!-- Thumbnails -->
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<dimen name="bthumbnail_default_border">8dp</dimen>
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<dimen name="bthumbnail_rounded_corner">8dp</dimen>

‎sample/src/main/AndroidManifest.xml‎

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@@ -54,12 +54,16 @@
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/>
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<activity
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android:name=".BootstrapWellExample"
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android:label="BootstrapEditTextExample"
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android:label="BootstrapWell"
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/>
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<activity
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android:name=".BootstrapDropDownExample"
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android:label="BootstrapDropDownExample"
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/>
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android:label="BootstrapDropDown"
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/>
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<activity
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android:name=".BootstrapAlertExample"
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android:label="BootstrapAlert"
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/>
6367
</application>
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</manifest>

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