BaseActivity.java

package com.lzy.headerviewpager;

import android.annotation.TargetApi;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.Window;
import android.view.WindowManager;

/**
 * ================================================
 * 作    者：jeasonlzy（廖子尧）Github地址：https://github.com/jeasonlzy0216
 * 版    本：1.0
 * 创建日期：2016/5/8
 * 描    述：
 * 修订历史：
 * ================================================
 */
public class BaseActivity extends AppCompatActivity {

    protected SystemBarTintManager tintManager;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            setTranslucentStatus(true);
        }
        tintManager = new SystemBarTintManager(this);
        tintManager.setStatusBarTintEnabled(true);
        tintManager.setStatusBarTintResource(android.R.color.transparent);  //设置上方状态栏透明
    }

    @TargetApi(19)
    private void setTranslucentStatus(boolean on) {
        Window win = getWindow();
        WindowManager.LayoutParams winParams = win.getAttributes();
        final int bits = WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
        if (on) {
            winParams.flags |= bits;
        } else {
            winParams.flags &= ~bits;
        }
        win.setAttributes(winParams);
    }
}