android 启动延迟加载画面

LoginActivitypackagecom.xkhouse.erm.erm;importandroid.app.Activity;importandroid.os.Bundle;importandroid.view.Window;/*publicclassLoginActivityextendsActivity{@OverrideprotectedvoidonCreate(BundlesavedInstanceState){//requestWindowFeature(Window.FEATURE_CUSTOM_TITLE);super.onCreate(savedInstanceState);setContentView(R.layout.activity_login);}}*/publicclassLoginActivityextendsActivity{@OverrideprotectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);/**设置隐藏标题栏*/requestWindowFeature(Window.FEATURE_NO_TITLE);setContentView(R.layout.activity_login);}}/*publicclassSplashActivityextendsActivity{privatefinalintSPLASH_DISPLAY_LENGHT=1000;//延迟一秒@OverrideprotectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.jiazai);newHandler().postDelayed(newRunnable(){//为了减少代码使用匿名Handler创建一个延时的调用publicvoidrun(){Intenti=newIntent(SplashActivity.this,LoginActivity.class);//通过Intent打开最终真正的主界面Main这个ActivitySplashActivity.this.startActivity(i);//启动Main界面SplashActivity.this.finish();//关闭自己这个开场屏}},SPLASH_DISPLAY_LENGHT);}}*/SplashActivitypackagecom.xkhouse.erm.erm;importandroid.app.Activity;importandroid.content.Intent;importandroid.os.Bundle;importandroid.os.Handler;importandroid.view.Window;importandroid.view.WindowManager;/*publicclassSplashActivityextendsActivity{privatefinalintSPLASH_DISPLAY_LENGHT=6000;//延迟六秒@OverrideprotectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);setContentView(R.layout.splash);newHandler().postDelayed(newRunnable(){publicvoidrun(){IntentmainIntent=newIntent(SplashActivity.this,LoginActivity.class);SplashActivity.this.startActivity(mainIntent);SplashActivity.this.finish();}},SPLASH_DISPLAY_LENGHT);}}*/publicclassSplashActivityextendsActivity{finalprivateintSPLASH_TIME=1000;@OverrideprotectedvoidonCreate(BundlesavedInstanceState){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*/newHandler().postDelayed(newRunnable(){publicvoidrun(){launchMainActivity();}},SPLASH_TIME);setContentView(R.layout.activity_splash);}/**利用Intent切换到主Activity*/privatevoidlaunchMainActivity(){/**创建一个intent，从当前Activity指向要跳转的Activity*/Intentintent=newIntent(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<?xmlversion="1.0"encoding="utf-8"?><LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"android:layout_height="fill_parent"android:layout_width="fill_parent"android:orientation="vertical"><ImageViewandroid:layout_height="fill_parent"android:layout_width="fill_parent"android:scaleType="fitCenter"android:src="@drawable/splash"></ImageView></LinearLayout>AndroidMainfest.xml<?xmlversion="1.0"encoding="utf-8"?><manifestxmlns:android="http://schemas.android.com/apk/res/android"package="com.xkhouse.erm.erm"><applicationandroid:allowBackup="true"android:icon="@drawable/logo"android:label="@string/app_name"android:theme="@android:style/Theme.NoTitleBar.Fullscreen"><activityandroid:name="com.xkhouse.erm.erm.SplashActivity"android:label="@string/app_name"><intent-filter><actionandroid:name="android.intent.action.MAIN"/><categoryandroid:name="android.intent.category.LAUNCHER"/></intent-filter></activity><activityandroid:name=".LoginActivity"></activity></application></manifest>
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