圆形进度条

效果图

导入依赖

implementation 'com.czp.arcProgressBar:ArcProgressBar:1.0.1'

xml布局文件

Activity代码

public class MainActivity extends AppCompatActivity {
 
    private ArcProgress mProgress;
    private Handler handler = new
            Handler(new Handler.Callback()
            {
                @Override
                public boolean handleMessage(Message msg) {
                    ArcProgress progressBar = (ArcProgress) msg.obj;
                    progressBar.setProgress(msg.what);
                    return true;
                }
            });
 
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        //找控件
        mProgress = findViewById(R.id.myProgress);
        //默认实现的类
        mProgress.setOnCenterDraw(new OnTextCenter(Color.BLUE, 30));
 
        new Thread(new Runnable() {
 
            @Override
            public void run() {
                for (int i = 0; i <= 100; i++) {
                    //判断结束
                    if (i == 100) {
                        startActivity(new Intent(MainActivity.this,ShowActivity.class));
                        finish();
                    }
                    //系统时钟 睡 100 毫秒
                    SystemClock.sleep(100);
                    handler.sendMessage(handler.obtainMessage(i, mProgress));
                }
            }
        }).start();
    }
}