下面列出了怎么用android.support.annotation.ColorInt的API类实例代码及写法，或者点击链接到github查看源代码。
/**
* 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);
}
}
/**
* Set the status bar's color for DrawerLayout.
* <p>DrawLayout must add {@code android:fitsSystemWindows="true"}</p>
*
* @param drawer The DrawLayout.
* @param fakeStatusBar The fake status bar view.
* @param color The status bar's color.
* @param isTop True to set DrawerLayout at the top layer, false otherwise.
*/
public static void setStatusBarColor4Drawer(@NonNull final DrawerLayout drawer,
@NonNull final View fakeStatusBar,
@ColorInt final int color,
final boolean isTop) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) return;
Activity activity = getActivityByView(fakeStatusBar);
if (activity == null) return;
transparentStatusBar(activity);
drawer.setFitsSystemWindows(false);
setStatusBarColor(fakeStatusBar, color);
for (int i = 0, count = drawer.getChildCount(); i < count; i++) {
drawer.getChildAt(i).setFitsSystemWindows(false);
}
if (isTop) {
hideStatusBarView(activity);
} else {
setStatusBarColor(activity, color, false);
}
}
/**
* 为DrawerLayout 布局设置状态栏变色(5.0以下无半透明效果,不建议使用)
*
* @param activity 需要设置的activity
* @param drawerLayout DrawerLayout
* @param color 状态栏颜色值
*/
@Deprecated
public static void setColorForDrawerLayoutDiff(Activity activity, DrawerLayout drawerLayout, @ColorInt int color) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
// 生成一个状态栏大小的矩形
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(calculateStatusColor(color, DEFAULT_STATUS_BAR_ALPHA));
} else {
// 添加 statusBarView 到布局中
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(0, getStatusBarHeight(activity), 0, 0);
}
// 设置属性
setDrawerLayoutProperty(drawerLayout, contentLayout);
}
}
/**
* 为DrawerLayout 布局设置状态栏变色(5.0以下无半透明效果,不建议使用)
*
* @param activity 需要设置的activity
* @param drawerLayout DrawerLayout
* @param color 状态栏颜色值
*/
@Deprecated
public static void setColorForDrawerLayoutDiff(Activity activity, DrawerLayout drawerLayout, @ColorInt int color) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
// 生成一个状态栏大小的矩形
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(calculateStatusColor(color, DEFAULT_STATUS_BAR_ALPHA));
} else {
// 添加 statusBarView 到布局中
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(0, getStatusBarHeight(activity), 0, 0);
}
// 设置属性
setDrawerLayoutProperty(drawerLayout, contentLayout);
}
}
/**
* 设置状态栏颜色(5.0以下无半透明效果,不建议使用)
*
* @param activity 需要设置的 activity
* @param color 状态栏颜色值
*/
@Deprecated
public static void setColorDiff(Activity activity, @ColorInt int color) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
transparentStatusBar(activity);
ViewGroup contentView = (ViewGroup) activity.findViewById(android.R.id.content);
// 移除半透明矩形,以免叠加
View fakeStatusBarView = contentView.findViewById(FAKE_STATUS_BAR_VIEW_ID);
if (fakeStatusBarView != null) {
if (fakeStatusBarView.getVisibility() == View.GONE) {
fakeStatusBarView.setVisibility(View.VISIBLE);
}
fakeStatusBarView.setBackgroundColor(color);
} else {
contentView.addView(createStatusBarView(activity, color));
}
setRootView(activity);
}
public static void setColorForDrawerLayout(Activity activity, DrawerLayout drawerLayout, @ColorInt int color, int statusBarAlpha) {
if (VERSION.SDK_INT >= 19) {
if (VERSION.SDK_INT >= 21) {
activity.getWindow().addFlags(Integer.MIN_VALUE);
activity.getWindow().clearFlags(NTLMConstants.FLAG_UNIDENTIFIED_9);
activity.getWindow().setStatusBarColor(0);
} else {
activity.getWindow().addFlags(NTLMConstants.FLAG_UNIDENTIFIED_9);
}
ViewGroup contentLayout = (ViewGroup) drawerLayout.getChildAt(0);
if (contentLayout.getChildCount() <= 0 || !(contentLayout.getChildAt(0) instanceof StatusBarView)) {
contentLayout.addView(createStatusBarView(activity, color), 0);
} else {
contentLayout.getChildAt(0).setBackgroundColor(calculateStatusColor(color, statusBarAlpha));
}
if (!((contentLayout instanceof LinearLayout) || contentLayout.getChildAt(1) == null)) {
contentLayout.getChildAt(1).setPadding(contentLayout.getPaddingLeft(), getStatusBarHeight(activity) + contentLayout.getPaddingTop(), contentLayout.getPaddingRight(), contentLayout.getPaddingBottom());
}
setDrawerLayoutProperty(drawerLayout, contentLayout);
addTranslucentView(activity, statusBarAlpha);
}
}
@Deprecated
public static void setColorForDrawerLayoutDiff(Activity activity, DrawerLayout drawerLayout, @ColorInt int color) {
if (VERSION.SDK_INT >= 19) {
activity.getWindow().addFlags(NTLMConstants.FLAG_UNIDENTIFIED_9);
ViewGroup contentLayout = (ViewGroup) drawerLayout.getChildAt(0);
if (contentLayout.getChildCount() <= 0 || !(contentLayout.getChildAt(0) instanceof StatusBarView)) {
contentLayout.addView(createStatusBarView(activity, color), 0);
} else {
contentLayout.getChildAt(0).setBackgroundColor(calculateStatusColor(color, 0));
}
if (!((contentLayout instanceof LinearLayout) || contentLayout.getChildAt(1) == null)) {
contentLayout.getChildAt(1).setPadding(0, getStatusBarHeight(activity), 0, 0);
}
setDrawerLayoutProperty(drawerLayout, contentLayout);
}
}
private void setRemoteVideoEnabled(boolean enabled) {
new Handler(Looper.getMainLooper()).post(() -> {
if (enabled) {
this.remoteRenderer.setBackgroundColor(Color.TRANSPARENT);
} else {
TypedValue typedValue = new TypedValue();
Resources.Theme theme = this.context.getTheme();
theme.resolveAttribute(R.attr.backgroundCardColor, typedValue, true);
@ColorInt int color = typedValue.data;
this.remoteRenderer.setBackgroundColor(color);
}
});
}
/**
* 设置纯色状态栏（自定义颜色，alpha）
*
* @param activity 目标activity
* @param color 状态栏颜色值
* @param alpha 状态栏透明度
*/
public static void setColor(@NonNull Activity activity, @ColorInt int color, @IntRange(from = 0, to = 255) int alpha) {
WeakReference<Activity> activityWeakReference = new WeakReference<>(activity);
Window window = activityWeakReference.get().getWindow();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
window.clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
window.setStatusBarColor(cipherColor(color, alpha));
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
setTranslucentView((ViewGroup) window.getDecorView(), color, alpha);
setRootView(activityWeakReference.get(), true);
}
}
/**
* Set the status bar's color.
*
* @param fakeStatusBar The fake status bar view.
* @param color The status bar's color.
*/
public static void setStatusBarColor(@NonNull final View fakeStatusBar,
@ColorInt final int color) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) return;
Activity activity = getActivityByView(fakeStatusBar);
if (activity == null) return;
transparentStatusBar(activity);
fakeStatusBar.setVisibility(View.VISIBLE);
ViewGroup.LayoutParams layoutParams = fakeStatusBar.getLayoutParams();
layoutParams.width = ViewGroup.LayoutParams.MATCH_PARENT;
layoutParams.height = getStatusBarHeight();
fakeStatusBar.setBackgroundColor(color);
}
/**
* 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);
}
}
/**
* 生成一个和状态栏大小相同的半透明矩形条
*
* @param activity 需要设置的activity
* @param color 状态栏颜色值
* @param alpha 透明值
* @return 状态栏矩形条
*/
private static View createStatusBarView(Activity activity, @ColorInt int color, int alpha) {
// 绘制一个和状态栏一样高的矩形
View statusBarView = new View(activity);
LinearLayout.LayoutParams params =
new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, getStatusBarHeight(activity));
statusBarView.setLayoutParams(params);
statusBarView.setBackgroundColor(calculateStatusColor(color, alpha));
statusBarView.setId(FAKE_STATUS_BAR_VIEW_ID);
return statusBarView;
}
/**
* 计算状态栏颜色
*
* @param color color值
* @param alpha alpha值
* @return 最终的状态栏颜色
*/
private static int calculateStatusColor(@ColorInt int color, int alpha) {
if (alpha == 0) {
return color;
}
float a = 1 - alpha / 255f;
int red = color >> 16 & 0xff;
int green = color >> 8 & 0xff;
int blue = color & 0xff;
red = (int) (red * a + 0.5);
green = (int) (green * a + 0.5);
blue = (int) (blue * a + 0.5);
return 0xff << 24 | red << 16 | green << 8 | blue;
}
@Deprecated
public static void setColorDiff(Activity activity, @ColorInt int color) {
if (VERSION.SDK_INT >= 19) {
transparentStatusBar(activity);
ViewGroup contentView = (ViewGroup) activity.findViewById(16908290);
if (contentView.getChildCount() > 1) {
contentView.getChildAt(1).setBackgroundColor(color);
} else {
contentView.addView(createStatusBarView(activity, color));
}
setRootView(activity);
}
}
/**
* 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) {
/**
* FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS 设置的作用是为了 系统以透明的背景绘制 状态栏 和 底部导航栏
* 同时系统会以 {@link Window#getStatusBarColor()} 和 {@link Window#getNavigationBarColor()} 进行填充
*/
activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
// FLAG_TRANSLUCENT_STATUS 半透明状态栏
activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
// 设置状态栏颜色，必须要设置了 FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS 才有效
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);
}
}
public void setBackgroundColor(@ColorInt int color) {
if (mBackgroundColor != color) {
mBackgroundColor = color;
mBackgroundPaint.setColor(mBackgroundColor);
requestInvalidate();
}
}
public void setArrowColor(@ColorInt int color) {
if (mArrowColor != color) {
mArrowColor = color;
mArrowPaint.setColor(mArrowColor);
requestInvalidate();
}
}
/**
* 获得颜色 ARGB 各个纬度的分量
*
* @param color 颜色
* @return ARGB 各个分量组成的数组
*/
public static int[] getColorARGB(@ColorInt int color) {
int[] argb = new int[4];
argb[0] = Color.alpha(color);
argb[1] = Color.red(color);
argb[2] = Color.green(color);
argb[3] = Color.blue(color);
return argb;
}
/**
* 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);
}
public static Bitmap drawColor(@NonNull final Bitmap src, @ColorInt final int color, final boolean recycle) {
if (isEmptyBitmap(src)) return null;
Bitmap ret = recycle ? src : src.copy(src.getConfig(), true);
Canvas canvas = new Canvas(ret);
canvas.drawColor(color, PorterDuff.Mode.DARKEN);
return ret;
}
public static Bitmap toRound(final Bitmap src,
@IntRange(from = 0) int borderSize,
@ColorInt int borderColor,
final boolean recycle) {
if (isEmptyBitmap(src)) return null;
int width = src.getWidth();
int height = src.getHeight();
int size = Math.min(width, height);
Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
Bitmap ret = Bitmap.createBitmap(width, height, src.getConfig());
float center = size / 2f;
RectF rectF = new RectF(0, 0, width, height);
rectF.inset((width - size) / 2f, (height - size) / 2f);
Matrix matrix = new Matrix();
matrix.setTranslate(rectF.left, rectF.top);
matrix.preScale((float) size / width, (float) size / height);
BitmapShader shader = new BitmapShader(src, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
shader.setLocalMatrix(matrix);
paint.setShader(shader);
Canvas canvas = new Canvas(ret);
canvas.drawRoundRect(rectF, center, center, paint);
if (borderSize > 0) {
paint.setShader(null);
paint.setColor(borderColor);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(borderSize);
float radius = center - borderSize / 2f;
canvas.drawCircle(width / 2f, height / 2f, radius, paint);
}
if (recycle && !src.isRecycled()) src.recycle();
return ret;
}
public static Bitmap toRoundCorner(final Bitmap src,
final float radius,
@IntRange(from = 0) int borderSize,
@ColorInt int borderColor,
final boolean recycle) {
if (isEmptyBitmap(src)) return null;
int width = src.getWidth();
int height = src.getHeight();
Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
Bitmap ret = Bitmap.createBitmap(width, height, src.getConfig());
BitmapShader shader = new BitmapShader(src, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
paint.setShader(shader);
Canvas canvas = new Canvas(ret);
RectF rectF = new RectF(0, 0, width, height);
float halfBorderSize = borderSize / 2f;
rectF.inset(halfBorderSize, halfBorderSize);
canvas.drawRoundRect(rectF, radius, radius, paint);
if (borderSize > 0) {
paint.setShader(null);
paint.setColor(borderColor);
paint.setStyle(Paint.Style.STROKE);
paint.setStrokeWidth(borderSize);
paint.setStrokeCap(Paint.Cap.ROUND);
canvas.drawRoundRect(rectF, radius, radius, paint);
}
if (recycle && !src.isRecycled()) src.recycle();
return ret;
}
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 static Bitmap addTextWatermark(final Bitmap src,
final String content,
final int textSize,
@ColorInt final int color,
final float x,
final float y) {
return addTextWatermark(src, content, textSize, color, x, y, false);
}
/**
* 如果使用了默认加载动画，设置进度圈颜色
*
* @param colors
*/
public void setColorSchemeColors(@ColorInt int... colors) {
if (viewRefresh instanceof DefaultRefreshView) {
((DefaultRefreshView) viewRefresh).setColorSchemeColors(colors);
}
}
/**
* Set the background color of the progress spinner disc.
*
* @param color
*/
public void setProgressBackgroundColorSchemeColor(@ColorInt int color) {
if (viewRefresh instanceof DefaultRefreshView) {
((DefaultRefreshView) viewRefresh).setBackgroundColor(color);
}
}
public void setColorSchemeColors(@ColorInt int... colors) {
mProgress.setColorSchemeColors(colors);
}
@Override
public void setBackgroundColor(@ColorInt int color) {
imageView.setBackgroundColor(color);
}
public void setBackgroundColor(@ColorInt int color) {
if(mView != null) {
mView.setBackgroundColor(color);
}
mBkgColor = color;
}
public void setBackgroundColor(@ColorInt int color) {
if(mView != null) {
mView.setBackgroundColor(color);
}
mBkgColor = color;
}