1. 计算状态栏高度及调用沉浸式状态栏的相关API方法
package com.example.status;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.os.Build;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
public class ImmersedStatusbarUtils {
/**
* 在{@link Activity#setContentView}之后调用
*
* @param activity
* 要实现的沉浸式状态栏的Activity
* @param titleViewGroup
* 头部控件的ViewGroup,若为null,整个界面将和状态栏重叠
*/
@TargetApi(Build.VERSION_CODES.KITKAT)
public static void initAfterSetContentView(Activity activity,
View titleViewGroup) {
if (activity == null)
return;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
Window window = activity.getWindow();
window.addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
}
if (titleViewGroup == null)
return;
// 设置头部控件ViewGroup的PaddingTop,防止界面与状态栏重叠
int statusBarHeight = getStatusBarHeight(activity);
titleViewGroup.setPadding(0, statusBarHeight, 0, 0);
}
/**
* 获取状态栏高度
*
* @param context
* @return
*/
private 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;
}
}
2. 调用实例,使用步骤一编写的相关方法。
package com.example.status;
import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.Window;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_main);
View topView = findViewById(R.id.lin);
ImmersedStatusbarUtils.initAfterSetContentView(this, topView);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
}
对应的布局文件
xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical" > android:id="@+id/lin" android:layout_width="match_parent" android:layout_height="wrap_content" android:background="#ff123654" > android:id="@+id/title" android:layout_width="match_parent" android:layout_height="45.0dp" android:background="#ff123654" android:gravity="center" android:text="我是头部控件" android:textColor="#ffffffff" />