android 啓動全屏+動畫+判斷是否是第一次登錄

<application
    android:allowBackup="true"
    android:icon="@mipmap/ic_launcher"
    android:label="@string/app_name"
    android:roundIcon="@mipmap/ic_launcher_round"
    android:supportsRtl="true"
    android:theme="@style/AppTheme">
    <activity android:name=".MainActivity">

    </activity>
    <activity
        android:name=".SplashActivity"
        android:theme="@android:style/Theme.Black.NoTitleBar.Fullscreen">
        <intent-filter>
            <action android:name="android.intent.action.MAIN" />

            <category android:name="android.intent.category.LAUNCHER" />
        </intent-filter>
    </activity>
    <activity android:name=".GuideActivity"></activity>

</application>

/**
 * Created by wt on 2017/11/20.
 */

public class GuideActivity extends AppCompatActivity {
    private Button button;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_guide);
        button=(Button)findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {

                PrefUtils.putBoolean("is_show",true,GuideActivity.this);
                startActivity(new Intent(GuideActivity.this,MainActivity.class));
                finish();
            }
        });
    }
}

/**
 * Created by wt on 2017/11/20.
 */

public class SplashActivity extends Activity {

    @Bind(R.id.splash_layout)
    RelativeLayout splashLayout;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.splash_layout);
        ButterKnife.bind(this);
        //旋轉 縮放 漸變
        init();

    }

    private void init() {
        /**
         * 旋轉
         * 從0到360度旋轉 樣式Animation.RELATIVE_TO_SELF居於自身旋轉，從0.5的位置旋轉
         */
        RotateAnimation rotateAnim=new RotateAnimation(0,360, Animation.RELATIVE_TO_SELF,0.5f,
                Animation.RELATIVE_TO_SELF,0.5f);
        /**
         * 時間爲1s鍾
         */
        rotateAnim.setDuration(1000);
        //保持狀態
        rotateAnim.setFillAfter(true);
        /**
         * 縮放
         *  x 0,1從無到有   y 0,1從無到有  樣式x 0.5  y 0.5 從中心縮放
         */
        ScaleAnimation scaleAnim=new ScaleAnimation(0,1,0,1,Animation.RELATIVE_TO_SELF,0.5f,
                Animation.RELATIVE_TO_SELF,0.5f);
        scaleAnim.setDuration(1000);
        scaleAnim.setFillAfter(true);

        /**
         * 漸變
         *
         */
        AlphaAnimation alphaAnim=new AlphaAnimation(0,1);
        alphaAnim.setDuration(2000);
        alphaAnim.setFillAfter(true);

        /**
         * 動畫集合
         */

        AnimationSet animation=new AnimationSet(true);
        animation.addAnimation(alphaAnim);
        animation.addAnimation(scaleAnim);
//        animation.addAnimation(rotateAnim);


        splashLayout.startAnimation(animation);
        animation.setAnimationListener(new Animation.AnimationListener() {
            @Override
            public void onAnimationStart(Animation animation) {

            }

            @Override
            public void onAnimationEnd(Animation animation) {
                //判斷是否第一次登錄
                boolean isShow= PrefUtils.getBoolean("is_show",false,SplashActivity.this);

                if (isShow) {
                    startActivity(new Intent(SplashActivity.this,MainActivity.class));
                    finish();
                }else {
                    //跳轉到引導頁
                    startActivity(new Intent(SplashActivity.this,GuideActivity.class));
                    finish();
                }


            }

            @Override
            public void onAnimationRepeat(Animation animation) {

            }
        });

    }
}

//工具類

/**
 * Created by wt on 2017/11/20.
 */

public class PrefUtils {


    public static void putBoolean(String key, boolean value, Context ctx) {
        SharedPreferences sp = ctx.getSharedPreferences("config",
                Context.MODE_PRIVATE);
        sp.edit().putBoolean(key, value).commit();
    }


    public static boolean getBoolean(String key, boolean defValue, Context ctx) {
        SharedPreferences sp = ctx.getSharedPreferences("config",
                Context.MODE_PRIVATE);
        return sp.getBoolean(key, defValue);
    }


    public static void putString(String key, String value, Context ctx) {
        SharedPreferences sp = ctx.getSharedPreferences("config",
                Context.MODE_PRIVATE);
        sp.edit().putString(key, value).commit();
    }


    public static String getString(String key, String defValue, Context ctx) {
        SharedPreferences sp = ctx.getSharedPreferences("config",
                Context.MODE_PRIVATE);
        return sp.getString(key, defValue);
    }


    public static void putInt(String key, int value, Context ctx) {
        SharedPreferences sp = ctx.getSharedPreferences("config",
                Context.MODE_PRIVATE);
        sp.edit().putInt(key, value).commit();
    }


    public static int getInt(String key, int defValue, Context ctx) {
        SharedPreferences sp = ctx.getSharedPreferences("config",
                Context.MODE_PRIVATE);
        return sp.getInt(key, defValue);
    }


    public static void remove(String key, Context ctx) {
        SharedPreferences sp = ctx.getSharedPreferences("config",
                Context.MODE_PRIVATE);
        sp.edit().remove(key).commit();
    }
}