下面列出了android.graphics.Xfermode#android.support.annotation.IntRange 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* 设置状态栏颜色
*
* @param activity 需要设置的activity
* @param color 状态栏颜色值
* @param statusBarAlpha 状态栏透明度
*/
public static void setColor(Activity activity, @ColorInt int color, @IntRange(from = 0, to = 255) int statusBarAlpha) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
activity.getWindow().setStatusBarColor(calculateStatusColor(color, statusBarAlpha));
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
ViewGroup decorView = (ViewGroup) activity.getWindow().getDecorView();
View fakeStatusBarView = decorView.findViewById(FAKE_STATUS_BAR_VIEW_ID);
if (fakeStatusBarView != null) {
if (fakeStatusBarView.getVisibility() == View.GONE) {
fakeStatusBarView.setVisibility(View.VISIBLE);
}
fakeStatusBarView.setBackgroundColor(calculateStatusColor(color, statusBarAlpha));
} else {
decorView.addView(createStatusBarView(activity, color, statusBarAlpha));
}
setRootView(activity);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
activity.getWindow().getDecorView().setSystemUiVisibility(
View.SYSTEM_UI_FLAG_LIGHT_STATUS_BAR);
}
}
/**
* 获取加透明度的资源颜色
*/
@ColorInt
public static int getResColor(@IntRange(from = 0, to = 255) int alpha, @ColorRes int colorId) {
int color = getResColor(colorId);
int red = Color.red(color);
int green = Color.green(color);
int blue = Color.blue(color);
return Color.argb(alpha, red, green, blue);
}
private static Bitmap addBorder(final Bitmap src,
@IntRange(from = 1) final int borderSize,
@ColorInt final int color,
final boolean isCircle,
final float cornerRadius,
final boolean recycle) {
if (isEmptyBitmap(src)) return null;
Bitmap ret = recycle ? src : src.copy(src.getConfig(), true);
int width = ret.getWidth();
int height = ret.getHeight();
Canvas canvas = new Canvas(ret);
Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
paint.setColor(color);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(borderSize);
if (isCircle) {
float radius = Math.min(width, height) / 2f - borderSize / 2f;
canvas.drawCircle(width / 2f, height / 2f, radius, paint);
} else {
int halfBorderSize = borderSize >> 1;
RectF rectF = new RectF(halfBorderSize, halfBorderSize,
width - halfBorderSize, height - halfBorderSize);
canvas.drawRoundRect(rectF, cornerRadius, cornerRadius, paint);
}
return ret;
}
/**
* 倒计时
*
* @param view 倒计时所用到的view
* @param second 倒计时时长 单位 秒
* @param listener 倒计时回调
* @param <T>
* @return Disposable 返回 Disposable 在Activity的onDestroy方法中
* disposable.dispose() 取消掉 防止内存泄漏
* @see CountDownListener 回调接口
*/
public static <T extends View> Disposable countDown(final T view, @IntRange(from = 1) final int second, final CountDownListener<T> listener) {
if (listener == null || second <= 0) return null;
return Flowable.intervalRange(0, second + 1, 0, 1, TimeUnit.SECONDS).observeOn(AndroidSchedulers.mainThread())
.doOnNext(new Consumer<Long>() {
@Override
public void accept(Long aLong) throws Exception {
listener.onCountDownProgress(view, (int) (second - aLong));
}
}).doOnComplete(new Action() {
@Override
public void run() throws Exception {
listener.onCountDownComplete(view);
}
}).doOnSubscribe(new Consumer<Subscription>() {
@Override
public void accept(Subscription subscription) throws Exception {
listener.onBindCountDown(view);
}
}).subscribe();
}
private void doOnFloatingActionButtonClick(@IntRange(from = 0, to = 4) int position) {
switch (position) {
case 0:
showVideoBottomSheet(firstTagsArray.indexOf(firstTabShow));
break;
case 1:
showPictureBottomSheet(secondTagsArray.indexOf(secondTabShow));
break;
case 2:
showForumBottomSheet(0);
break;
case 3:
break;
case 4:
break;
default:
}
}
/**
* 格式化时间 HH:mm:ss
* @param timeValue 具体时间值
* @return 格式化后的字符串，eg：3600 to 01:00:00
*/
public static String formatTimeHHmmss(@IntRange(from = 0, to = MAX_TIME_VALUE) int timeValue) {
int hour = timeValue / 3600;
int minute = timeValue % 3600 / 60;
int second = timeValue % 3600 % 60;
StringBuilder sb = new StringBuilder();
if (hour < 10) {
sb.append('0');
}
sb.append(hour).append(':');
if (minute < 10) {
sb.append('0');
}
sb.append(minute);
sb.append(':');
if (second < 10) {
sb.append('0');
}
sb.append(second);
return sb.toString();
}
@Size(value = 4)
private byte[] calculateBitPatternByteArray(@IntRange(from = 0, to = BIGGEST_12_BIT_NUMBER) int twelveBitNumber) {
List<Boolean> bitPatterns = new ArrayList<>();
int highest12BitBitMask = 1 << 11;
for (int i = 0; i < 12; i++) {
if ((twelveBitNumber & highest12BitBitMask) == highest12BitBitMask){
bitPatterns.addAll(BIT_PATTERN_FOR_ONE_BIT);
}
else{
bitPatterns.addAll(BIT_PATTERN_FOR_ZERO_BIT);
}
twelveBitNumber = twelveBitNumber << 1;
}
bitPatterns = removePauseBits(bitPatterns);
return convertBitPatternsToByteArray(bitPatterns);
}
/**
* 为 DrawerLayout 布局设置状态栏透明
*
* @param activity 需要设置的activity
* @param drawerLayout DrawerLayout
*/
public static void setTranslucentForDrawerLayout(Activity activity, DrawerLayout drawerLayout,
@IntRange(from = 0, to = 255) int statusBarAlpha) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
setTransparentForDrawerLayout(activity, drawerLayout);
addTranslucentView(activity, statusBarAlpha);
}
/**
* 为 DrawerLayout 布局设置状态栏透明
*
* @param activity 需要设置的activity
* @param drawerLayout DrawerLayout
*/
public static void setTranslucentForDrawerLayout(Activity activity, DrawerLayout drawerLayout,
@IntRange(from = 0, to = 255) int statusBarAlpha) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
setTransparentForDrawerLayout(activity, drawerLayout);
addTranslucentView(activity, statusBarAlpha);
}
/**
* 为 fragment 头部是 ImageView 的设置状态栏透明
*
* @param activity fragment 对应的 activity
* @param statusBarAlpha 状态栏透明度
* @param needOffsetView 需要向下偏移的 View
*/
public static void setTranslucentForImageViewInFragment(Activity activity, @IntRange(from = 0, to = 255) int statusBarAlpha,
View needOffsetView) {
setTranslucentForImageView(activity, statusBarAlpha, needOffsetView);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
clearPreviousSetting(activity);
}
}
private void requestPermissionsInternal(final @NonNull String[] permissions, final @IntRange(from = 0) int requestCode) {
if (getActivity() != null) {
ActivityCompat.requestPermissions(getActivity(), permissions, requestCode);
} else if (getFragment() != null) {
getFragment().requestPermissions(permissions, requestCode);
}
}
public static String getThumbImageUrl(String url, @IntRange(from = 1, to = 1000) int scale) {
// TODO 取消缩略图-2
// if (StringUtil.noEmpty(url) && (url.endsWith(".jpg") || url.endsWith(".png"))) {
// return String.format(Locale.getDefault(), scaleThumbImage, url, scale);
// }
return url;
}
public BaseItemDecoration subDivider(@IntRange(from = 0) int startIndex, @IntRange(from = 1) int endIndex) {
int subLen = endIndex - startIndex;
if (subLen < 0) {
throw new IndexOutOfBoundsException(startIndex + ">=" + endIndex);
}
this.mStartIndex = startIndex;
this.mEndIndex = endIndex;
this.isSubDivider = true;
return this;
}
/**
* 为滑动返回界面设置状态栏颜色
*
* @param activity 需要设置的activity
* @param color 状态栏颜色值
* @param statusBarAlpha 状态栏透明度
*/
private static void setColorForSwipeBack(Activity activity, @ColorInt int color,
@IntRange(from = 0, to = 255) int statusBarAlpha) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
ViewGroup contentView = ((ViewGroup) activity.findViewById(android.R.id.content));
View rootView = contentView.getChildAt(0);
int statusBarHeight = getStatusBarHeight(activity);
if (rootView != null && rootView instanceof CoordinatorLayout) {
final CoordinatorLayout coordinatorLayout = (CoordinatorLayout) rootView;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
coordinatorLayout.setFitsSystemWindows(false);
contentView.setBackgroundColor(calculateStatusColor(color, statusBarAlpha));
boolean isNeedRequestLayout = contentView.getPaddingTop() < statusBarHeight;
if (isNeedRequestLayout) {
contentView.setPadding(0, statusBarHeight, 0, 0);
coordinatorLayout.post(new Runnable() {
@Override
public void run() {
coordinatorLayout.requestLayout();
}
});
}
} else {
coordinatorLayout.setStatusBarBackgroundColor(calculateStatusColor(color, statusBarAlpha));
}
} else {
contentView.setPadding(0, statusBarHeight, 0, 0);
contentView.setBackgroundColor(calculateStatusColor(color, statusBarAlpha));
}
setTransparentForWindow(activity);
}
}
/**
* 移除特定位置的元素
*
* @param position
*/
public void remove(@IntRange(from = 0) int position) {
if (isValidPosition(position)) {
mData.remove(position);
mSelectedItems.remove(position);
notifyItemRemoved(position);
}
}
public static Bitmap addCornerBorder(final Bitmap src,
@IntRange(from = 1) final int borderSize,
@ColorInt final int color,
@FloatRange(from = 0) final float cornerRadius,
final boolean recycle) {
return addBorder(src, borderSize, color, false, cornerRadius, recycle);
}
public void setUnReadCount(@IntRange(from = 0) int unReadCount) {
this.unReadCount = unReadCount;
if (unReadCount > 99)
setText("99+");
else if (unReadCount > 0)
setText(String.valueOf(unReadCount));
else
setText("");
}
private void doOnTabSelected(@IntRange(from = 0, to = 4) int position) {
switch (position) {
case 0:
handlerFirstTabClickToShow(firstTabShow, position, false);
showFloatingActionButton(fabSearch);
break;
case 1:
handlerSecondTabClickToShow(secondTabShow, position, false);
showFloatingActionButton(fabSearch);
break;
case 2:
if (presenter.haveNotSetF9pornAddress()) {
showNeedSetAddressDialog();
return;
}
if (mMain9ForumFragment == null) {
mMain9ForumFragment = Main9ForumFragment.getInstance();
}
mCurrentFragment = FragmentUtils.switchContent(fragmentManager, mCurrentFragment, mMain9ForumFragment, contentFrameLayout.getId(), position, false);
showFloatingActionButton(fabSearch);
break;
case 3:
if (mMusicFragment == null) {
mMusicFragment = MusicFragment.getInstance();
}
mCurrentFragment = FragmentUtils.switchContent(fragmentManager, mCurrentFragment, mMusicFragment, contentFrameLayout.getId(), position, false);
hideFloatingActionButton(fabSearch);
break;
case 4:
if (mMineFragment == null) {
mMineFragment = MineFragment.getInstance();
}
mCurrentFragment = FragmentUtils.switchContent(fragmentManager, mCurrentFragment, mMineFragment, contentFrameLayout.getId(), position, false);
hideFloatingActionButton(fabSearch);
break;
default:
}
selectIndex = position;
}
@Nullable
public T getItem(@IntRange(from = 0) int position) {
if (isValidPosition(position)) {
return mData.get(position);
} else {
return null;
}
}
/**
* 为滑动返回界面设置状态栏颜色
*
* @param activity 需要设置的activity
* @param color 状态栏颜色值
* @param statusBarAlpha 状态栏透明度
*/
public static void setColorForSwipeBack(Activity activity, @ColorInt int color,
@IntRange(from = 0, to = 255) int statusBarAlpha) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
ViewGroup contentView = ((ViewGroup) activity.findViewById(android.R.id.content));
View rootView = contentView.getChildAt(0);
int statusBarHeight = getStatusBarHeight(activity);
if (rootView != null && rootView instanceof CoordinatorLayout) {
final CoordinatorLayout coordinatorLayout = (CoordinatorLayout) rootView;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
coordinatorLayout.setFitsSystemWindows(false);
contentView.setBackgroundColor(calculateStatusColor(color, statusBarAlpha));
boolean isNeedRequestLayout = contentView.getPaddingTop() < statusBarHeight;
if (isNeedRequestLayout) {
contentView.setPadding(0, statusBarHeight, 0, 0);
coordinatorLayout.post(new Runnable() {
@Override
public void run() {
coordinatorLayout.requestLayout();
}
});
}
} else {
coordinatorLayout.setStatusBarBackgroundColor(calculateStatusColor(color, statusBarAlpha));
}
} else {
contentView.setPadding(0, statusBarHeight, 0, 0);
contentView.setBackgroundColor(calculateStatusColor(color, statusBarAlpha));
}
setTransparentForWindow(activity);
}
}
/**
* 为DrawerLayout 布局设置状态栏变色
*
* @param activity 需要设置的activity
* @param drawerLayout DrawerLayout
* @param color 状态栏颜色值
* @param statusBarAlpha 状态栏透明度
*/
public static void setColorForDrawerLayout(Activity activity, DrawerLayout drawerLayout, @ColorInt int color,
@IntRange(from = 0, to = 255) int statusBarAlpha) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
activity.getWindow().setStatusBarColor(Color.TRANSPARENT);
} else {
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
}
// 生成一个状态栏大小的矩形
// 添加 statusBarView 到布局中
ViewGroup contentLayout = (ViewGroup) drawerLayout.getChildAt(0);
View fakeStatusBarView = contentLayout.findViewById(FAKE_STATUS_BAR_VIEW_ID);
if (fakeStatusBarView != null) {
if (fakeStatusBarView.getVisibility() == View.GONE) {
fakeStatusBarView.setVisibility(View.VISIBLE);
}
fakeStatusBarView.setBackgroundColor(color);
} else {
contentLayout.addView(createStatusBarView(activity, color), 0);
}
// 内容布局不是 LinearLayout 时,设置padding top
if (!(contentLayout instanceof LinearLayout) && contentLayout.getChildAt(1) != null) {
contentLayout.getChildAt(1)
.setPadding(contentLayout.getPaddingLeft(), getStatusBarHeight(activity) + contentLayout.getPaddingTop(),
contentLayout.getPaddingRight(), contentLayout.getPaddingBottom());
}
// 设置属性
setDrawerLayoutProperty(drawerLayout, contentLayout);
addTranslucentView(activity, statusBarAlpha);
}
/**
* 为 DrawerLayout 布局设置状态栏透明
*
* @param activity 需要设置的activity
* @param drawerLayout DrawerLayout
*/
public static void setTranslucentForDrawerLayout(Activity activity, DrawerLayout drawerLayout,
@IntRange(from = 0, to = 255) int statusBarAlpha) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
setTransparentForDrawerLayout(activity, drawerLayout);
addTranslucentView(activity, statusBarAlpha);
}
/**
* 为滑动返回界面设置状态栏颜色
*
* @param activity 需要设置的activity
* @param color 状态栏颜色值
* @param statusBarAlpha 状态栏透明度
*/
public static void setColorForSwipeBack(Activity activity, @ColorInt int color,
@IntRange(from = 0, to = 255) int statusBarAlpha) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
ViewGroup contentView = ((ViewGroup) activity.findViewById(android.R.id.content));
View rootView = contentView.getChildAt(0);
int statusBarHeight = getStatusBarHeight(activity);
if (rootView != null && rootView instanceof CoordinatorLayout) {
final CoordinatorLayout coordinatorLayout = (CoordinatorLayout) rootView;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
coordinatorLayout.setFitsSystemWindows(false);
contentView.setBackgroundColor(calculateStatusColor(color, statusBarAlpha));
boolean isNeedRequestLayout = contentView.getPaddingTop() < statusBarHeight;
if (isNeedRequestLayout) {
contentView.setPadding(0, statusBarHeight, 0, 0);
coordinatorLayout.post(new Runnable() {
@Override
public void run() {
coordinatorLayout.requestLayout();
}
});
}
} else {
coordinatorLayout.setStatusBarBackgroundColor(calculateStatusColor(color, statusBarAlpha));
}
} else {
contentView.setPadding(0, statusBarHeight, 0, 0);
contentView.setBackgroundColor(calculateStatusColor(color, statusBarAlpha));
}
setTransparentForWindow(activity);
}
}
/**
* 为 fragment 头部是 ImageView 的设置状态栏透明
*
* @param activity fragment 对应的 activity
* @param statusBarAlpha 状态栏透明度
* @param needOffsetView 需要向下偏移的 View
*/
public static void setTranslucentForImageViewInFragment(Activity activity, @IntRange(from = 0, to = 255) int statusBarAlpha,
View needOffsetView) {
setTranslucentForImageView(activity, statusBarAlpha, needOffsetView);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT
&& Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
clearPreviousSetting(activity);
}
}
@Override
public void draw(@NonNull Canvas canvas, CharSequence text,
@IntRange(from = 0) int start, @IntRange(from = 0) int end,
float x, int top, int y, int bottom, @NonNull Paint paint) {
RectF rect = new RectF(x, top, x + measureText(paint, text, start, end), bottom);
canvas.drawRect(rect, mBackgroundPaint);
canvas.drawText(text, start, end, x, y, paint);
}
/**
* remove the item associated with the specified position of adapter
*
* @param position
*/
public void remove(@IntRange(from = 0) int position) {
mData.remove(position);
int internalPosition = position + getHeaderLayoutCount();
notifyItemRemoved(internalPosition);
compatibilityDataSizeChanged(0);
notifyItemRangeChanged(internalPosition, mData.size() - internalPosition);
}
/**
* Returns for each possible 12 bit integer a corresponding sequence of bit pattern as byte array.
* Throws an {@link IllegalArgumentException} if the integer is using more than 12 bit.
*
* @param twelveBitValue Any 12 bit integer (from 0 to 4095)
* @return The corresponding bit pattern as 4 byte sized array
*/
@NonNull
@Size(value = 4)
byte[] getBitPattern(@IntRange(from = 0, to = BIGGEST_12_BIT_NUMBER) int twelveBitValue) {
byte[] bitPatternByteArray = mSparseArray.get(twelveBitValue);
if (bitPatternByteArray == null)
{
throw new IllegalArgumentException("Only values from 0 to " + BIGGEST_12_BIT_NUMBER + " are allowed. The passed input value was: " + twelveBitValue);
}
return bitPatternByteArray;
}
/**
* Set window brightness
*
* @param window Window
* @param brightness Brightness value
*/
public static void setWindowBrightness(@NonNull final Window window,
@IntRange(from = 0, to = 255) final int brightness) {
WindowManager.LayoutParams lp = window.getAttributes();
lp.screenBrightness = brightness / 255f;
window.setAttributes(lp);
}
@SuppressWarnings("unchecked")
private int recursiveCollapse(@IntRange(from = 0) int position) {
T item = getItem(position);
if (!isExpandable(item)) {
return 0;
}
IExpandable expandable = (IExpandable) item;
int subItemCount = 0;
if (expandable.isExpanded()) {
List<T> subItems = expandable.getSubItems();
if (null == subItems) return 0;
for (int i = subItems.size() - 1; i >= 0; i--) {
T subItem = subItems.get(i);
int pos = getItemPosition(subItem);
if (pos < 0) {
continue;
}
if (subItem instanceof IExpandable) {
subItemCount += recursiveCollapse(pos);
}
mData.remove(pos);
subItemCount++;
}
}
return subItemCount;
}
/**
* 为DrawerLayout 布局设置状态栏变色
*
* @param activity 需要设置的activity
* @param drawerLayout DrawerLayout
* @param color 状态栏颜色值
* @param statusBarAlpha 状态栏透明度
*/
public static void setColorForDrawerLayout(Activity activity, DrawerLayout drawerLayout, @ColorInt int color,
@IntRange(from = 0, to = 255) int statusBarAlpha) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
activity.getWindow().setStatusBarColor(Color.TRANSPARENT);
} else {
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
}
// 生成一个状态栏大小的矩形
// 添加 statusBarView 到布局中
ViewGroup contentLayout = (ViewGroup) drawerLayout.getChildAt(0);
View fakeStatusBarView = contentLayout.findViewById(FAKE_STATUS_BAR_VIEW_ID);
if (fakeStatusBarView != null) {
if (fakeStatusBarView.getVisibility() == View.GONE) {
fakeStatusBarView.setVisibility(View.VISIBLE);
}
fakeStatusBarView.setBackgroundColor(color);
} else {
contentLayout.addView(createStatusBarView(activity, color), 0);
}
// 内容布局不是 LinearLayout 时,设置padding top
if (!(contentLayout instanceof LinearLayout) && contentLayout.getChildAt(1) != null) {
contentLayout.getChildAt(1)
.setPadding(contentLayout.getPaddingLeft(), getStatusBarHeight(activity) + contentLayout.getPaddingTop(),
contentLayout.getPaddingRight(), contentLayout.getPaddingBottom());
}
// 设置属性
setDrawerLayoutProperty(drawerLayout, contentLayout);
addTranslucentView(activity, statusBarAlpha);
}