ColorArcProgressBar圆形进度条

导入一个jar

compile 'com.github.shinelw:library:1.0.1'

activity

private Button button1;
private ColorArcProgressBar bar1;

bar1 = (ColorArcProgressBar) findViewById(R.id.bar1);
button1 = (Button) findViewById(R.id.button1);
button1.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
        bar1.setCurrentValues(100);
    }
});

.xml

xmlns:app="http://schemas.android.com/apk/res-auto"

<Button
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/button1"
    android:text="start"
    />
<com.shinelw.library.ColorArcProgressBar
    android:layout_width="300dp"
    android:layout_height="300dp"
    android:layout_gravity="center_horizontal"
    android:id="@+id/bar1"
    app:is_need_content="true"
    app:front_color1="@color/colorAccent"
    app:max_value="100"
    app:back_width="10dp"
    app:front_width="10dp"
    app:total_engle="360"
    app:is_need_unit="true"
    app:string_unit="百分比%"
    app:back_color="@android:color/darker_gray"
    android:layout_marginBottom="150dp"
    />