package cn.qqtheme.androidpicker;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.os.Build;
import android.support.annotation.ColorInt;
import android.support.annotation.IdRes;
import android.support.v4.widget.DrawerLayout;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
import android.widget.LinearLayout;
import java.lang.reflect.Field;
import cn.qqtheme.framework.util.LogUtils;
/**
* 状态栏（通知栏）工具类
* <p/>
* Created by liyujiang on 2017/4/19 15:35.
*/
public class StatusBarUtil {
private static final int DEFAULT_ALPHA = 0;
@IdRes
private static final int FAKE_STATUS_BAR_VIEW_ID = 0x20170419;
@IdRes
private static final int FAKE_TRANSLUCENT_VIEW_ID = 0x20170420;
private static final int TAG_KEY_HAVE_SET_OFFSET = -123;
private static int height = 0;
/**
* 是否设置了沉浸状态栏
*/
public static boolean isImmersion(Activity activity) {
return activity.findViewById(FAKE_STATUS_BAR_VIEW_ID) != null
|| activity.findViewById(FAKE_TRANSLUCENT_VIEW_ID) != null;
}
/**
* 设置状态栏颜色
*
* @param activity 需要设置的 activity
* @param color 状态栏颜色值
*/
public static void setColor(Activity activity, @ColorInt int color) {
setColor(activity, color, DEFAULT_ALPHA);
}
/**
* 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, 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);
}
}
/**
* 设置状态栏纯色 不加半透明效果
*
* @param activity 需要设置的 activity
* @param color 状态栏颜色值
*/
public static void setColorNoTranslucent(Activity activity, @ColorInt int color) {
setColor(activity, color, 0);
}
/**
* 使状态栏半透明
* <p/>
* 适用于图片作为背景的界面,此时需要图片填充到状态栏
*
* @param activity 需要设置的activity
*/
public static void setTranslucent(Activity activity) {
setTranslucent(activity, DEFAULT_ALPHA);
}
/**
* 使状态栏半透明
* <p/>
* 适用于图片作为背景的界面,此时需要图片填充到状态栏
*
* @param activity 需要设置的activity
* @param statusBarAlpha 状态栏透明度
*/
public static void setTranslucent(Activity activity, int statusBarAlpha) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
setTransparent(activity);
addTranslucentView(activity, statusBarAlpha);
}
/**
* 针对根布局是 CoordinatorLayout, 使状态栏半透明
* <p/>
* 适用于图片作为背景的界面,此时需要图片填充到状态栏
*
* @param activity 需要设置的activity
* @param statusBarAlpha 状态栏透明度
*/
public static void setTranslucentForCoordinatorLayout(Activity activity, int statusBarAlpha) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
setTransparentForWindow(activity);
addTranslucentView(activity, statusBarAlpha);
}
/**
* 设置状态栏全透明
*
* @param activity 需要设置的activity
*/
public static void setTransparent(Activity activity) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
setTransparentForWindow(activity);
setRootView(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
*/
public static void setColorForDrawerLayout(Activity activity, DrawerLayout drawerLayout, @ColorInt int color) {
setColorForDrawerLayout(activity, drawerLayout, color, DEFAULT_ALPHA);
}
/**
* 为DrawerLayout 布局设置状态栏颜色,纯色
*
* @param activity 需要设置的activity
* @param drawerLayout DrawerLayout
* @param color 状态栏颜色值
*/
public static void setColorNoTranslucentForDrawerLayout(Activity activity, DrawerLayout drawerLayout, @ColorInt int color) {
setColorForDrawerLayout(activity, drawerLayout, color, 0);
}
/**
* 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,
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(), obtainHeight(activity) + contentLayout.getPaddingTop(),
contentLayout.getPaddingRight(), contentLayout.getPaddingBottom());
}
// 设置属性
setDrawerLayoutProperty(drawerLayout, contentLayout);
addTranslucentView(activity, statusBarAlpha);
}
/**
* 设置 DrawerLayout 属性
*
* @param drawerLayout DrawerLayout
* @param drawerLayoutContentLayout DrawerLayout 的内容布局
*/
private static void setDrawerLayoutProperty(DrawerLayout drawerLayout, ViewGroup drawerLayoutContentLayout) {
ViewGroup drawer = (ViewGroup) drawerLayout.getChildAt(1);
drawerLayout.setFitsSystemWindows(false);
drawerLayoutContentLayout.setFitsSystemWindows(false);
drawerLayoutContentLayout.setClipToPadding(true);
drawer.setFitsSystemWindows(false);
}
/**
* 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) {
setTranslucentForDrawerLayout(activity, drawerLayout, DEFAULT_ALPHA);
}
/**
* 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, 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 setTransparentForDrawerLayout(Activity activity, DrawerLayout drawerLayout) {
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);
}
ViewGroup contentLayout = (ViewGroup) drawerLayout.getChildAt(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, obtainHeight(activity), 0, 0);
}
// 设置属性
setDrawerLayoutProperty(drawerLayout, contentLayout);
}
/**
* 为头部是 ImageView 的界面设置状态栏全透明
*
* @param activity 需要设置的activity
* @param needOffsetView 需要向下偏移的 View
*/
public static void setTransparentForImageView(Activity activity, View needOffsetView) {
setTranslucentForImageView(activity, 0, needOffsetView);
}
/**
* 为头部是 ImageView 的界面设置状态栏透明(使用默认透明度)
*
* @param activity 需要设置的activity
* @param needOffsetView 需要向下偏移的 View
*/
public static void setTranslucentForImageView(Activity activity, View needOffsetView) {
setTranslucentForImageView(activity, DEFAULT_ALPHA, needOffsetView);
}
/**
* 为头部是 ImageView 的界面设置状态栏透明
*
* @param activity 需要设置的activity
* @param statusBarAlpha 状态栏透明度
* @param needOffsetView 需要向下偏移的 View
*/
public static void setTranslucentForImageView(Activity activity, int statusBarAlpha, View needOffsetView) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
return;
}
setTransparentForWindow(activity);
addTranslucentView(activity, statusBarAlpha);
if (needOffsetView != null) {
Object haveSetOffset = needOffsetView.getTag(TAG_KEY_HAVE_SET_OFFSET);
if (haveSetOffset != null && (Boolean) haveSetOffset) {
return;
}
ViewGroup.MarginLayoutParams layoutParams = (ViewGroup.MarginLayoutParams) needOffsetView.getLayoutParams();
layoutParams.setMargins(layoutParams.leftMargin, layoutParams.topMargin + obtainHeight(activity),
layoutParams.rightMargin, layoutParams.bottomMargin);
needOffsetView.setTag(TAG_KEY_HAVE_SET_OFFSET, true);
}
}
/**
* 为 fragment 头部是 ImageView 的设置状态栏透明
*
* @param activity fragment 对应的 activity
* @param needOffsetView 需要向下偏移的 View
*/
public static void setTranslucentForImageViewInFragment(Activity activity, View needOffsetView) {
setTranslucentForImageViewInFragment(activity, DEFAULT_ALPHA, needOffsetView);
}
/**
* 为 fragment 头部是 ImageView 的设置状态栏透明
*
* @param activity fragment 对应的 activity
* @param needOffsetView 需要向下偏移的 View
*/
public static void setTransparentForImageViewInFragment(Activity activity, View needOffsetView) {
setTranslucentForImageViewInFragment(activity, 0, needOffsetView);
}
/**
* 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, 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);
}
}
/**
* 隐藏伪状态栏 View
*
* @param activity 调用的 Activity
*/
public static void hideFakeStatusBarView(Activity activity) {
ViewGroup decorView = (ViewGroup) activity.getWindow().getDecorView();
View fakeStatusBarView = decorView.findViewById(FAKE_STATUS_BAR_VIEW_ID);
if (fakeStatusBarView != null) {
fakeStatusBarView.setVisibility(View.GONE);
}
View fakeTranslucentView = decorView.findViewById(FAKE_TRANSLUCENT_VIEW_ID);
if (fakeTranslucentView != null) {
fakeTranslucentView.setVisibility(View.GONE);
}
}
///////////////////////////////////////////////////////////////////////////////////
@TargetApi(Build.VERSION_CODES.KITKAT)
private static void clearPreviousSetting(Activity activity) {
ViewGroup decorView = (ViewGroup) activity.getWindow().getDecorView();
View fakeStatusBarView = decorView.findViewById(FAKE_STATUS_BAR_VIEW_ID);
if (fakeStatusBarView != null) {
decorView.removeView(fakeStatusBarView);
ViewGroup rootView = (ViewGroup) ((ViewGroup) activity.findViewById(android.R.id.content)).getChildAt(0);
rootView.setPadding(0, 0, 0, 0);
}
}
/**
* 添加半透明矩形条
*
* @param activity 需要设置的 activity
* @param statusBarAlpha 透明值
*/
private static void addTranslucentView(Activity activity, int statusBarAlpha) {
ViewGroup contentView = (ViewGroup) activity.findViewById(android.R.id.content);
View fakeTranslucentView = contentView.findViewById(FAKE_TRANSLUCENT_VIEW_ID);
if (fakeTranslucentView != null) {
if (fakeTranslucentView.getVisibility() == View.GONE) {
fakeTranslucentView.setVisibility(View.VISIBLE);
}
fakeTranslucentView.setBackgroundColor(Color.argb(statusBarAlpha, 0, 0, 0));
} else {
contentView.addView(createTranslucentStatusBarView(activity, statusBarAlpha));
}
}
/**
* 生成一个和状态栏大小相同的彩色矩形条
*
* @param activity 需要设置的 activity
* @param color 状态栏颜色值
* @return 状态栏矩形条
*/
private static View createStatusBarView(Activity activity, @ColorInt int color) {
return createStatusBarView(activity, color, 0);
}
/**
* 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, obtainHeight(activity));
statusBarView.setLayoutParams(params);
statusBarView.setBackgroundColor(calculateStatusColor(color, alpha));
statusBarView.setId(FAKE_STATUS_BAR_VIEW_ID);
return statusBarView;
}
/**
* 设置根布局参数
*/
private static void setRootView(Activity activity) {
ViewGroup parent = (ViewGroup) activity.findViewById(android.R.id.content);
for (int i = 0, count = parent.getChildCount(); i < count; i++) {
View childView = parent.getChildAt(i);
if (childView instanceof ViewGroup) {
childView.setFitsSystemWindows(true);
((ViewGroup) childView).setClipToPadding(true);
}
}
}
/**
* 设置透明
*/
private static void setTransparentForWindow(Activity activity) {
Window window = activity.getWindow();
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
window.setStatusBarColor(Color.TRANSPARENT);
window.getDecorView().setSystemUiVisibility(View.SYSTEM_UI_FLAG_LAYOUT_STABLE | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN);
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
window.setFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS, WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
}
}
/**
* 创建半透明矩形 View
*
* @param alpha 透明值
* @return 半透明 View
*/
private static View createTranslucentStatusBarView(Activity activity, 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, obtainHeight(activity));
statusBarView.setLayoutParams(params);
statusBarView.setBackgroundColor(Color.argb(alpha, 0, 0, 0));
statusBarView.setId(FAKE_TRANSLUCENT_VIEW_ID);
return statusBarView;
}
/**
* 获取状态栏的高，单位为px，参阅：http://blog.csdn.net/a_running_wolf/article/details/50477965
*/
public static int obtainHeight(Context context) {
if (height != 0) {
return height;
}
int result = 80;// px
try {
int dimenResId = obtainDimenResId(context);
result = context.getResources().getDimensionPixelSize(dimenResId);
} catch (Exception e) {
LogUtils.warn(e);
if (context instanceof Activity) {
android.graphics.Rect frame = new android.graphics.Rect();
((Activity) context).getWindow().getDecorView().getWindowVisibleDisplayFrame(frame);
result = frame.top;
}
}
LogUtils.verbose("status bar height: " + result + " px");
height = result;
return result;
}
private static int obtainDimenResId(Context ctx) throws ClassNotFoundException,
NoSuchFieldException, IllegalAccessException, InstantiationException {
LogUtils.verbose("will obtain status bar height from dimen resources");
int resourceId = ctx.getResources().getIdentifier("status_bar_height", "dimen", "android");
if (resourceId > 0) {
return resourceId;
}
LogUtils.verbose("will obtain status bar height from R$dimen class");
Class clazz = Class.forName("com.android.internal.R$dimen");
Field field = clazz.getField("status_bar_height");
Object object = field.get(clazz.newInstance());
return Integer.parseInt(object.toString());
}
/**
* 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;
}
}