| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.base; |
| |
| import android.animation.ValueAnimator; |
| import android.annotation.TargetApi; |
| import android.app.ActivityOptions; |
| import android.app.Notification; |
| import android.app.PendingIntent; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.res.Configuration; |
| import android.graphics.drawable.Drawable; |
| import android.os.Build; |
| import android.os.Bundle; |
| import android.provider.Settings; |
| import android.view.View; |
| import android.view.ViewGroup.MarginLayoutParams; |
| import android.view.ViewTreeObserver; |
| import android.widget.ImageView; |
| import android.widget.RemoteViews; |
| import android.widget.TextView; |
| |
| /** |
| * Utility class to use new APIs that were added after ICS (API level 14). |
| */ |
| public class ApiCompatibilityUtils { |
| |
| private static final String TAG = "ApiCompatibilityUtils"; |
| |
| private ApiCompatibilityUtils() { |
| } |
| |
| /** |
| * Returns true if view's layout direction is right-to-left. |
| * |
| * @param view the View whose layout is being considered |
| */ |
| public static boolean isLayoutRtl(View view) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| return view.getLayoutDirection() == View.LAYOUT_DIRECTION_RTL; |
| } else { |
| // All layouts are LTR before JB MR1. |
| return false; |
| } |
| } |
| |
| /** |
| * @see Configuration#getLayoutDirection() |
| */ |
| public static int getLayoutDirection(Configuration configuration) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| return configuration.getLayoutDirection(); |
| } else { |
| // All layouts are LTR before JB MR1. |
| return View.LAYOUT_DIRECTION_LTR; |
| } |
| } |
| |
| /** |
| * @return True if the running version of the Android supports printing. |
| */ |
| public static boolean isPrintingSupported() { |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT; |
| } |
| |
| /** |
| * @return True if the running version of the Android supports HTML clipboard. |
| */ |
| public static boolean isHTMLClipboardSupported() { |
| return Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN; |
| } |
| |
| /** |
| * @see android.view.View#setLayoutDirection(int) |
| */ |
| public static void setLayoutDirection(View view, int layoutDirection) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| view.setLayoutDirection(layoutDirection); |
| } else { |
| // Do nothing. RTL layouts aren't supported before JB MR1. |
| } |
| } |
| |
| /** |
| * @see android.view.View#setTextAlignment(int) |
| */ |
| public static void setTextAlignment(View view, int textAlignment) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| view.setTextAlignment(textAlignment); |
| } else { |
| // Do nothing. RTL text isn't supported before JB MR1. |
| } |
| } |
| |
| /** |
| * @see android.view.View#setTextDirection(int) |
| */ |
| public static void setTextDirection(View view, int textDirection) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| view.setTextDirection(textDirection); |
| } else { |
| // Do nothing. RTL text isn't supported before JB MR1. |
| } |
| } |
| |
| /** |
| * @see android.view.ViewGroup.MarginLayoutParams#setMarginEnd(int) |
| */ |
| public static void setMarginEnd(MarginLayoutParams layoutParams, int end) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| layoutParams.setMarginEnd(end); |
| } else { |
| layoutParams.rightMargin = end; |
| } |
| } |
| |
| /** |
| * @see android.view.ViewGroup.MarginLayoutParams#getMarginEnd() |
| */ |
| public static int getMarginEnd(MarginLayoutParams layoutParams) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| return layoutParams.getMarginEnd(); |
| } else { |
| return layoutParams.rightMargin; |
| } |
| } |
| |
| /** |
| * @see android.view.ViewGroup.MarginLayoutParams#setMarginStart(int) |
| */ |
| public static void setMarginStart(MarginLayoutParams layoutParams, int start) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| layoutParams.setMarginStart(start); |
| } else { |
| layoutParams.leftMargin = start; |
| } |
| } |
| |
| /** |
| * @see android.view.ViewGroup.MarginLayoutParams#getMarginStart() |
| */ |
| public static int getMarginStart(MarginLayoutParams layoutParams) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| return layoutParams.getMarginStart(); |
| } else { |
| return layoutParams.leftMargin; |
| } |
| } |
| |
| /** |
| * @see android.view.View#setPaddingRelative(int, int, int, int) |
| */ |
| public static void setPaddingRelative(View view, int start, int top, int end, int bottom) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| view.setPaddingRelative(start, top, end, bottom); |
| } else { |
| // Before JB MR1, all layouts are left-to-right, so start == left, etc. |
| view.setPadding(start, top, end, bottom); |
| } |
| } |
| |
| /** |
| * @see android.view.View#getPaddingStart() |
| */ |
| public static int getPaddingStart(View view) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| return view.getPaddingStart(); |
| } else { |
| // Before JB MR1, all layouts are left-to-right, so start == left. |
| return view.getPaddingLeft(); |
| } |
| } |
| |
| /** |
| * @see android.view.View#getPaddingEnd() |
| */ |
| public static int getPaddingEnd(View view) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| return view.getPaddingEnd(); |
| } else { |
| // Before JB MR1, all layouts are left-to-right, so end == right. |
| return view.getPaddingRight(); |
| } |
| } |
| |
| /** |
| * @see android.widget.TextView#setCompoundDrawablesRelative(Drawable, Drawable, Drawable, |
| * Drawable) |
| */ |
| public static void setCompoundDrawablesRelative(TextView textView, Drawable start, Drawable top, |
| Drawable end, Drawable bottom) { |
| if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| // On JB MR1, due to a platform bug, setCompoundDrawablesRelative() is a no-op if the |
| // view has ever been measured. As a workaround, use setCompoundDrawables() directly. |
| // See: http://crbug.com/368196 and http://crbug.com/361709 |
| boolean isRtl = isLayoutRtl(textView); |
| textView.setCompoundDrawables(isRtl ? end : start, top, isRtl ? start : end, bottom); |
| } else if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| textView.setCompoundDrawablesRelative(start, top, end, bottom); |
| } else { |
| textView.setCompoundDrawables(start, top, end, bottom); |
| } |
| } |
| |
| /** |
| * @see android.widget.TextView#setCompoundDrawablesRelativeWithIntrinsicBounds(Drawable, |
| * Drawable, Drawable, Drawable) |
| */ |
| public static void setCompoundDrawablesRelativeWithIntrinsicBounds(TextView textView, |
| Drawable start, Drawable top, Drawable end, Drawable bottom) { |
| if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| // Work around the platform bug described in setCompoundDrawablesRelative() above. |
| boolean isRtl = isLayoutRtl(textView); |
| textView.setCompoundDrawablesWithIntrinsicBounds(isRtl ? end : start, top, |
| isRtl ? start : end, bottom); |
| } else if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| textView.setCompoundDrawablesRelativeWithIntrinsicBounds(start, top, end, bottom); |
| } else { |
| textView.setCompoundDrawablesWithIntrinsicBounds(start, top, end, bottom); |
| } |
| } |
| |
| /** |
| * @see android.widget.TextView#setCompoundDrawablesRelativeWithIntrinsicBounds(int, int, int, |
| * int) |
| */ |
| public static void setCompoundDrawablesRelativeWithIntrinsicBounds(TextView textView, |
| int start, int top, int end, int bottom) { |
| if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| // Work around the platform bug described in setCompoundDrawablesRelative() above. |
| boolean isRtl = isLayoutRtl(textView); |
| textView.setCompoundDrawablesWithIntrinsicBounds(isRtl ? end : start, top, |
| isRtl ? start : end, bottom); |
| } else if (Build.VERSION.SDK_INT > Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| textView.setCompoundDrawablesRelativeWithIntrinsicBounds(start, top, end, bottom); |
| } else { |
| textView.setCompoundDrawablesWithIntrinsicBounds(start, top, end, bottom); |
| } |
| } |
| |
| /** |
| * @see android.view.View#postInvalidateOnAnimation() |
| */ |
| public static void postInvalidateOnAnimation(View view) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| view.postInvalidateOnAnimation(); |
| } else { |
| view.postInvalidate(); |
| } |
| } |
| |
| /** |
| * @see android.view.View#postOnAnimation() |
| */ |
| public static void postOnAnimation(View view, Runnable action) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| view.postOnAnimation(action); |
| } else { |
| view.postDelayed(action, getFrameTime()); |
| } |
| } |
| |
| /** |
| * @see android.view.View#postOnAnimationDelayed() |
| */ |
| public static void postOnAnimationDelayed(View view, Runnable action, long delayMillis) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| view.postOnAnimationDelayed(action, delayMillis); |
| } else { |
| view.postDelayed(action, getFrameTime() + delayMillis); |
| } |
| } |
| |
| private static long getFrameTime() { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) { |
| return ValueAnimator.getFrameDelay(); |
| } else { |
| // Any reasonable fake frame delay will have to do. |
| return 10; |
| } |
| } |
| |
| /** |
| * @see android.widget.RemoteViews#setContentDescription(int, CharSequence) |
| */ |
| public static void setContentDescriptionForRemoteView(RemoteViews remoteViews, int viewId, |
| CharSequence contentDescription) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) { |
| remoteViews.setContentDescription(viewId, contentDescription); |
| } else { |
| // setContentDescription() is unavailable in earlier versions. |
| } |
| } |
| |
| /** |
| * @see android.app.Activity#startActivity(Intent, Bundle) |
| */ |
| public static void startActivity(Context context, Intent intent, Bundle options) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| context.startActivity(intent, options); |
| } else { |
| context.startActivity(intent); |
| } |
| } |
| |
| /** |
| * @see android.app.ActivityOptions#toBundle() |
| */ |
| public static Bundle toBundle(ActivityOptions options) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| return options.toBundle(); |
| } else { |
| return null; |
| } |
| } |
| |
| // These methods have a new name, and the old name is deprecated. |
| |
| /** |
| * @see android.view.View#setBackground(Drawable) |
| */ |
| @SuppressWarnings("deprecation") |
| public static void setBackgroundForView(View view, Drawable drawable) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| view.setBackground(drawable); |
| } else { |
| view.setBackgroundDrawable(drawable); |
| } |
| } |
| |
| /** |
| * @see android.view.ViewTreeObserver#removeOnGlobalLayoutListener() |
| */ |
| @SuppressWarnings("deprecation") |
| public static void removeOnGlobalLayoutListener( |
| View view, ViewTreeObserver.OnGlobalLayoutListener listener) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| view.getViewTreeObserver().removeOnGlobalLayoutListener(listener); |
| } else { |
| view.getViewTreeObserver().removeGlobalOnLayoutListener(listener); |
| } |
| } |
| |
| /** |
| * @see android.widget.ImageView#setImageAlpha(int) |
| */ |
| @SuppressWarnings("deprecation") |
| public static void setImageAlpha(ImageView iv, int alpha) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| iv.setImageAlpha(alpha); |
| } else { |
| iv.setAlpha(alpha); |
| } |
| } |
| |
| /** |
| * @see android.app.PendingIntent#getCreatorPackage() |
| */ |
| @SuppressWarnings("deprecation") |
| public static String getCreatorPackage(PendingIntent intent) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) { |
| return intent.getCreatorPackage(); |
| } else { |
| return intent.getTargetPackage(); |
| } |
| } |
| |
| /** |
| * @see android.app.Notification.Builder#setLocalOnly(boolean) |
| */ |
| @SuppressWarnings("deprecation") |
| public static Notification build(Notification.Builder builder) { |
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) { |
| return builder.build(); |
| } else { |
| return builder.getNotification(); |
| } |
| } |
| |
| /** |
| * @see android.provider.Settings.Global#DEVICE_PROVISIONED |
| */ |
| @TargetApi(Build.VERSION_CODES.JELLY_BEAN_MR1) |
| public static boolean isDeviceProvisioned(Context context) { |
| if (Build.VERSION.SDK_INT < Build.VERSION_CODES.JELLY_BEAN_MR1) return true; |
| if (context == null) return true; |
| if (context.getContentResolver() == null) return true; |
| return Settings.Global.getInt( |
| context.getContentResolver(), Settings.Global.DEVICE_PROVISIONED, 0) != 0; |
| } |
| } |
