android 启动延迟加载画面

LoginActivity package com.xkhouse.erm.erm; import android.app.Activity; import android.os.Bundle; import android.view.Window; /* public class LoginActivity extends Activity {     @Override     protected void onCreate(Bundle savedInstanceState) {         //requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);         super.onCreate(savedInstanceState);         setContentView(R.layout.activity_login);     } }  */ public class LoginActivity extends Activity {     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         /*          * 设置隐藏标题栏          */         requestWindowFeature(Window.FEATURE_NO_TITLE);         setContentView(R.layout.activity_login);     } } /* public class SplashActivity extends Activity {     private final int SPLASH_DISPLAY_LENGHT = 1000; //延迟一秒 @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.jiazai);         new Handler().postDelayed(new Runnable() {             // 为了减少代码使用匿名Handler创建一个延时的调用             public void run() {                 Intent i = new Intent(SplashActivity.this, LoginActivity.class);                 // 通过Intent打开最终真正的主界面Main这个Activity                 SplashActivity.this.startActivity(i); // 启动Main界面                 SplashActivity.this.finish(); // 关闭自己这个开场屏             }         }, SPLASH_DISPLAY_LENGHT);     } } */ SplashActivity package com.xkhouse.erm.erm; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.os.Handler; import android.view.Window; import android.view.WindowManager; /*public class SplashActivity extends Activity {     private final int SPLASH_DISPLAY_LENGHT = 6000; // 延迟六秒     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         setContentView(R.layout.splash);         new Handler().postDelayed(new Runnable() {             public void run() {                 Intent mainIntent = new Intent(SplashActivity.this,                         LoginActivity.class);                 SplashActivity.this.startActivity(mainIntent);                 SplashActivity.this.finish();             }         }, SPLASH_DISPLAY_LENGHT);     } } */ public class SplashActivity extends Activity {     final private int SPLASH_TIME = 1000;     @Override     protected void onCreate(Bundle savedInstanceState) {         super.onCreate(savedInstanceState);         /*          * 设置全屏          */         getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,                 WindowManager.LayoutParams.FLAG_FULLSCREEN);         /*          * 设置隐藏标题栏          */         requestWindowFeature(Window.FEATURE_NO_TITLE);         /*          * 2秒后跳转到主界面          */         new Handler().postDelayed(new Runnable() {             public void run() {                 launchMainActivity();             }         }, SPLASH_TIME);         setContentView(R.layout.activity_splash);     }     /*      * 利用Intent切换到主Activity      */     private void launchMainActivity() {         /*      * 创建一个intent，从当前Activity指向要跳转的Activity      */         Intent intent = new Intent(this, LoginActivity.class);     /*      * 启动目标Activity      */         startActivity(intent);     /*      * 启动画面只需要程序开始时显示一次，显示完后即可退出      */         finish();     } } layout目录下 activity_splash.xml <?xml version="1.0" encoding="utf-8"?> <LinearLayout     xmlns:android="http://schemas.android.com/apk/res/android"     android:layout_height="fill_parent" android:layout_width="fill_parent" android:orientation="vertical">     <ImageView android:layout_height="fill_parent" android:layout_width="fill_parent" android:scaleType="fitCenter" android:src="@drawable/splash"></ImageView> </LinearLayout> AndroidMainfest.xml <?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android"     package="com.xkhouse.erm.erm">     <application         android:allowBackup="true"         android:icon="@drawable/logo"         android:label="@string/app_name"         android:theme="@android:style/Theme.NoTitleBar.Fullscreen">         <activity             android:name="com.xkhouse.erm.erm.SplashActivity"             android:label="@string/app_name">             <intent-filter>                 <action android:name="android.intent.action.MAIN" />                 <category android:name="android.intent.category.LAUNCHER" />             </intent-filter>         </activity>         <activity android:name=".LoginActivity"></activity>     </application> </manifest>