Material design ProgressBar with consistent appearance on Android 4.0+.
Android 4.4.4
Samsung Android 5.0.1 (native implementation fails to tint)
Android 5.1.1
Three material design Drawables are backported to Android 4.0 (API 14), so you can create one and set it directly on your ProgressBar.
For example, to set a HorizontalIndeterminateProgressDrawable on a ProgressBar.
progressBar.setIndeterminateDrawable(new HorizontalIndeterminateProgressDrawable(this));In order to make your ProgressBar take the correct and consistent size on all versions, you need to use one of the styles this library provided. The trick inside it is android:minHeight, android:maxHeight (and width) that controls the Drawable size.
Widget.MaterialProgressBar.ProgressBar.HorizontalWidget.MaterialProgressBar.ProgressBar- And more size and no-padding variants in styles.xml
For example, to define an indeterminate horizontal ProgressBar.
<ProgressBar
android:id="@+id/indeterminate_horizontal_progress"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:indeterminate="true"
style="@style/Widget.MaterialProgressBar.ProgressBar.Horizontal" />Don't forget to create and set the Drawable as above.
You can also customize the behavior of these Drawables by calling setShowTrack() and setUseIntrinsicPadding(). Tint-related methods setTint(), setTintList() and setTintMode() are also backported so that you can use them directly.
For a detailed example, you can refer to the onCreate() method of the sample's MainActivity and its layout main_activity.xml.
If you are using ProGuard, you need to add the following line to your ProGuard configuration file, so that ObjectAnimator can work properly.
-keep class me.zhanghai.android.materialprogressbar.** { *; }
Neither Support v4 nor AppCompat v7 backported animation API to versions prior to ICS, and the NineOldAndroids library has already been deprecated since people should all be using minSdkVersion="14" now, so versions older than ICS are not supported.
Copyright 2015 Zhang Hai
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