Sina微博的开发心得-1 logo界面

logo界面比较简单，但要熟悉android里的一些动画，android动画

android动画详解连接http://wxqhome.blog.51cto.com/8768288/1405360

主Activity

publicclassMainActivityextendsActivity{ImageViewimg=null;@OverrideprotectedvoidonCreate(BundlesavedInstanceState){super.onCreate(savedInstanceState);//取消标题栏requestWindowFeature(Window.FEATURE_NO_TITLE);//设置全屏getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);setContentView(R.layout.activity_main);img=(ImageView)findViewById(R.id.index_img);//设置动画半透明AlphaAnimationalpha=newAlphaAnimation(0.1f,1.0f);//设置动画持续时间3秒alpha.setDuration(3000);alpha.setAnimationListener(newAnimationListener(){@OverridepublicvoidonAnimationStart(Animationarg0){//TODOAuto-generatedmethodstub}@OverridepublicvoidonAnimationRepeat(Animationarg0){//TODOAuto-generatedmethodstub}@OverridepublicvoidonAnimationEnd(Animationarg0){Intentintent=newIntent(MainActivity.this,LoginActivity.class);startActivity(intent);}});//绑定动画img.setAnimation(alpha);}@OverridepublicbooleanonCreateOptionsMenu(Menumenu){//Inflatethemenu;thisaddsitemstotheactionbarifitispresent.getMenuInflater().inflate(R.menu.main,menu);returntrue;}}

布局xml文件

<LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:paddingBottom="@dimen/activity_vertical_margin"android:paddingLeft="@dimen/activity_horizontal_margin"android:paddingRight="@dimen/activity_horizontal_margin"android:paddingTop="@dimen/activity_vertical_margin"android:orientation="vertical"android:background="@drawable/index_back"tools:context=".MainActivity"><ImageViewandroid:id="@+id/index_img"android:layout_width="fill_parent"android:layout_height="fill_parent"android:src="@drawable/index_img"/></LinearLayout>

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