adb shell am start -W [packageName]/[packageName.MainActivity]

/**
* 統(tǒng)計冷啟動各個時間點的耗時
*/
public class StartLogHelper {

    private static final String TAG = "StartLogHelper";
    private static long startTime;

    /**
     * 設(shè)置開始時間，暫時放到啟動的時間,放到Application的attachBaseContext方法中
     * @param start
     */
    public static void setStart(long start){
        startTime = start;
    }

    /**
     * application初始化的時間，放到Application的onCreate方法最后
     */
    public static void getApplicationTime(){
        long end = System.currentTimeMillis();
        DebugLog.e(TAG,"==================getApplicationTime==" + (end - startTime));

    }

    /**
     * 歡迎頁初始化的時間
     */
    public static void getWelcomeTime(){
        long end = System.currentTimeMillis();
        DebugLog.e(TAG,"==================getWelcomeTime==" + (end - startTime));
    }

    /**
     * Main頁面初始化的時間
     */

    public static void getMainTime(){
        long end = System.currentTimeMillis();
        DebugLog.e(TAG,"==================getMainTime==" + (end - startTime));
    }

SplashActivity的清單文件設(shè)置
   android:theme="@style/SplashScreenTheme”

SplashScreenTheme屬性定義
   <style name="SplashScreenTheme" parent="Theme.AppCompat.NoActionBar">
        <item name="android:windowBackground">@drawable/bg_splash</item>
   </style>

bg_splash定義
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@android:color/white" />
        <bitmap
            android:antialias="true"
            android:gravity="center"
            android:src="@drawable/bg_show" />
    </item>
</layer-list>

public class AppConfigHelper {
    public void setAppConfig(Application application){
        addSyncTask(application);
        addAsyncTask(application);
        TaskConfigManager.getInstance().startInit();
    }

    private void addSyncTask(Application application) {
        TaskConfigManager.getInstance().addTask(new ZMLTask("oneLogin") {
            @Override
            public void run() {
                JVerifyHelper.init(application);
            }
        });
    }
}