ScaleProgressBar a customer progressbar for loading effect.

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You can use ScaleProgressBar(will not be stucked in ui thread) like this 1.in xml

<com.arjinmc.widgets.ScaleProgressBar 
    android:id="@+id/spb"
    android:layout_width="match_parent"
    android:layout_height="match_parent"/>

2.in java

ScaleProgressBar spBar = (ScaleProgressBar) findViewById(R.id.spb);
spBar.setProgress(20);

Or you can use ScaleProgressDialog(will be stucked in ui thread) like this

ScaleProgressDialog spDialog = new ScaleProgressDialog(this); spDialog.show(); spDialog.setProgress(20); https://mp.weixin.qq.com/s/_cfX132m6-z07SbFVNt8QQ