android实现沉浸式之前一直没有这方面的需求，也一直没有做，今天做了一下写了个工具类，分享给大家，废话不多说直接上代码。
package 自己的包名;
import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.os.Build;
import android.view.View;
import android.view.ViewGroup;
import android.view.Window;
import android.view.WindowManager;
/************************************************************
* Author: ssc
* Date： 2017/9/29
* Version: 1.0
* Description:沉浸式状态栏工具类
* History:
* <author> <time> <version > <desc>
***********************************************************/
public class StatusBarCompat {
private static final int INVALID_VAL = -1;
private static final int COLOR_DEFAULT = Color.parseColor("#20000000");
public static void compat(Activity activity, int statusColor) {
compat(activity, statusColor, false);
}
public static void compat(Activity activity, int statusColor, boolean isFitsSystemWindows) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
int flagTranslucentStatus = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
int flagTranslucentNavigation = WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
//5.x开始需要把颜色设置透明，否则导航栏会呈现系统默认的浅灰色
Window window = activity.getWindow();
View decorView = window.getDecorView();
//两个 flag 要结合使用，表示让应用的主体内容占用系统状态栏的空间
int option = View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN
| View.SYSTEM_UI_FLAG_LAYOUT_STABLE;
decorView.setSystemUiVisibility(option);
window.addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS);
window.setStatusBarColor(Color.TRANSPARENT);
//导航栏颜色也可以正常设置
// window.setNavigationBarColor(Color.TRANSPARENT);
} else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
Window window = activity.getWindow();
WindowManager.LayoutParams attributes = window.getAttributes();
attributes.flags |= flagTranslucentStatus;
window.setAttributes(attributes);
}
}
//设置 paddingTop
//当前手机版本为5.0及以上
ViewGroup rootView = (ViewGroup) activity.getWindow().getDecorView().findViewById(android.R.id.content);
if (!isFitsSystemWindows) {
rootView.setPadding(0, getStatusBarHeight(activity), 0, 0);
} else {
rootView.setPadding(0, 0, 0, 0);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
if (statusColor != INVALID_VAL) {
activity.getWindow().setStatusBarColor(statusColor);
}
return;
}
//当前手机版本为4.4
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT && Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
int color = COLOR_DEFAULT;
//根布局添加占位状态栏
ViewGroup decorView = (ViewGroup) activity.getWindow().getDecorView();
if (statusColor != INVALID_VAL) {
color = statusColor;
}
View statusBarView = new View(activity);
ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT,
getStatusBarHeight(activity));
statusBarView.setBackgroundColor(color);
decorView.addView(statusBarView, lp);
}
}
public static void compat(Activity activity) {
compat(activity, INVALID_VAL);
}
public static int getStatusBarHeight(Context context) {
int result = 0;
int resourceId = context.getResources().getIdentifier("status_bar_height", "dimen", "android");
if (resourceId > 0) {
result = context.getResources().getDimensionPixelSize(resourceId);
}
return result;
}
}
以上是一个工具类，使用的时候只需要在activity中oncreate方法中调用StatusBarCompat.compat(this,ContextCompat.getColor(this,R.color.common_titlebar_background));
其中第一个参数为当前activity
第二个参数为状态栏的色值
第三个参数是否在布局上添加了android:fitsSystemWindows="true"这个属性，（主要解决输入法弹出内容无法顶起来问题，如果该界面没有该需求这个属性默认false就可以）
