[Android] Material Indeterminate Progress Drawable 커스텀

얇고 사이즈가 큰 Progress를 만들어야 하는 일이 있어서 Material Style 리소스들을 뜯어보며 만들어 보았습니다.

animated vector, vector, animator 를 조합하여 만들 수 있습니다.

 

vector_drawable_progress_bar_large.xml

<!--
 Copyright (C) 2014 The Android Open Source Project
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="100dp"
    android:height="100dp"
    android:viewportWidth="48"
    android:viewportHeight="48">
    <group
        android:name="root"
        android:translateX="24.0"
        android:translateY="24.0">

        <path
            android:name="progressBar"
            android:fillColor="#00000000"
            android:pathData="M0, 0 m 0, -19 a 19,19 0 1,1 0,38 a 19,19 0 1,1 0,-38"
            android:strokeWidth="1"
            android:strokeColor="@color/white"
            android:strokeLineCap="round"
            android:strokeLineJoin="miter"
            android:trimPathStart="0"
            android:trimPathEnd="0.9"
            android:trimPathOffset="0.9" />
    </group>
</vector>

strokeWidth 를 통해 두께 설정 가능

trim_start_interpolator.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
 Copyright (C) 2014 The Android Open Source Project
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->
<pathInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
    android:pathData="L0.5,0 C 0.7,0 0.6,1 1, 1" />

trim_end_interpolator.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
 Copyright (C) 2014 The Android Open Source Project
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->
<pathInterpolator xmlns:android="http://schemas.android.com/apk/res/android"
    android:pathData="C0.2,0 0.1,1 0.5, 1 L 1,1" />

progress_indeterminate_material.xml

<?xml version="1.0" encoding="utf-8"?><!--
 Copyright (C) 2014 The Android Open Source Project
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <objectAnimator
        android:duration="1333"
        android:interpolator="@anim/trim_start_interpolator"
        android:propertyName="trimPathStart"
        android:repeatCount="-1"
        android:valueFrom="0"
        android:valueTo="0.75"
        android:valueType="floatType" />
    <objectAnimator
        android:duration="1333"
        android:interpolator="@anim/trim_end_interpolator"
        android:propertyName="trimPathEnd"
        android:repeatCount="-1"
        android:valueFrom="0"
        android:valueTo="0.75"
        android:valueType="floatType" />
    <objectAnimator
        android:duration="1333"
        android:propertyName="trimPathOffset"
        android:repeatCount="-1"
        android:valueFrom="0"
        android:valueTo="0.25"
        android:valueType="floatType" />
</set>

progress_indeterminate_rotation_material.xml

<?xml version="1.0" encoding="utf-8"?><!--
 Copyright (C) 2014 The Android Open Source Project
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->
<set xmlns:android="http://schemas.android.com/apk/res/android">
    <objectAnimator
        android:duration="4444"
        android:interpolator="@android:anim/linear_interpolator"
        android:propertyName="rotation"
        android:repeatCount="-1"
        android:valueFrom="0"
        android:valueTo="720"
        android:valueType="floatType" />
</set>

progress_indeterminate_anim_large_material.xml

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright (C) 2016 The Android Open Source Project
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
     You may obtain a copy of the License at
          http://www.apache.org/licenses/LICENSE-2.0
     Unless required by applicable law or agreed to in writing, software
     distributed under the License is distributed on an "AS IS" BASIS,
     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     See the License for the specific language governing permissions and
     limitations under the License.
-->
<animated-vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:drawable="@drawable/vector_drawable_progress_bar_large" >
    <target
        android:name="progressBar"
        android:animation="@anim/progress_indeterminate_material" />
    <target
        android:name="root"
        android:animation="@anim/progress_indeterminate_rotation_material" />
</animated-vector>