本文将带你了解Android应用开发之属性动画学习建立场景的实例讲解，希望本文对大家学Android有所帮助。

SingleFragmentActivity.java
    package com.example.aster.draganddraw;
    import android.os.Bundle;
    import android.support.annotation.LayoutRes;
    import android.support.v4.app.Fragment;
    import android.support.v4.app.FragmentManager;
    import android.support.v7.app.AppCompatActivity;
    public abstract class SingleFragmentActivity extends AppCompatActivity   {
        protected abstract Fragment createFragment();
        @LayoutRes
        protected int getLayoutResId() {
            return R.layout.activity_fragment;
        }
        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(getLayoutResId());
            FragmentManager fm =   getSupportFragmentManager();
            Fragment fragment =   fm.findFragmentById(R.id.fragment_container);
            if (fragment == null) {
                fragment =   createFragment();
                fm.beginTransaction().add(R.id.fragment_container,   fragment).commit();
            }
        }
    }
    SunsetActivity.java
    package com.example.aster.sunset;
    import android.support.v4.app.Fragment;
    import android.support.v7.app.AppCompatActivity;
    import android.os.Bundle;
    public class SunsetActivity extends SingleFragmentActivity {
        @Override
        protected Fragment createFragment() {
            return SunsetFragment.newInstance();
        }
    }
    SunsetFragment.java
    package com.example.aster.sunset;
    import android.os.Bundle;
    import android.support.v4.app.Fragment;
    import android.view.LayoutInflater;
    import android.view.View;
    import android.view.ViewGroup;
    public class SunsetFragment extends Fragment {
        public static SunsetFragment newInstance() {
            return new SunsetFragment();
        }
        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup   container,
                                   Bundle savedInstanceState) {
            View view =   inflater.inflate(R.layout.fragment_sunset, container, false);
            return view;
        }
    }
    res/drawable/sun.xml
    <?xml version="1.0" encoding="utf-8"?>
    <shape   xmlns:android="https://schemas.android.com/apk/res/android"
        android:shape="oval">
        <solid android:color="@color/bright_sun"   />
    </shape>
    activity_fragment.xml
    <?xml version="1.0" encoding="utf-8"?>
    <FrameLayout
        xmlns:android="https://schemas.android.com/apk/res/android"
        android:id="@+id/fragment_container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"/>
    fragment_sunset.xml
    <?xml version="1.0" encoding="utf-8"?>
    <LinearLayout   xmlns:android="https://schemas.android.com/apk/res/android"
        android:orientation="vertical"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <FrameLayout
            android:id="@+id/sky"
              android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="0.61"
              android:background="@color/blue_sky">
            <ImageView
                  android:id="@+id/sun"
                android:layout_width="100dp"
                  android:layout_height="100dp"
                  android:layout_gravity="center"
                  android:src="@drawable/sun" />
        </FrameLayout>
        <View
              android:layout_width="match_parent"
            android:layout_height="0dp"
            android:layout_weight="0.39"
            android:background="@color/sea"   />
    </LinearLayout>
    res/values/colors.xml
    <?xml version="1.0" encoding="utf-8"?>
    <resources>
        <color   name="colorPrimary">#3F51B5</color>
        <color name="colorPrimaryDark">#303F9F</color>
        <color   name="colorAccent">#FF4081</color>
        <color   name="bright_sun">#fcfcb7</color>
        <color name="blue_sky">#1e7ac7</color>
        <color   name="sunset_sky">#ec8100</color>
        <color   name="night_sky">#05192e</color>
        <color name="sea">#224869</color>
    </resources>    

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