效果圖：

Usage Step 1Add dependencies in build.gradle.dependencies{ compile'com.wang.avi:library:2.1.3'} Step 2Add the AVLoadingIndicatorView to your layout:Simple<com.wang.avi.AVLoadingIndicatorViewandroid:layout_width="wrap_content"android:layout_height="wrap_content"app:indicatorName="BallPulseIndicator"/>Advance<com.wang.avi.AVLoadingIndicatorViewandroid :id="@+id/avi"android :layout_width ="wrap_content"//or your custom sizeandroid :layout_height ="wrap_content"//or your custom sizestyle ="@style/AVLoadingIndicatorView"// or AVLoadingIndicatorView.Large or AVLoadingIndicatorView.Smallandroid :visibility ="visible"//visible or goneapp :indicatorName ="BallPulseIndicator"//Indicator Nameapp :indicatorColor ="your color"/>Step 3It's very simple use just like .voidstartAnim(){ avi .show(); // or avi.smoothToShow();} voidstopAnim(){ avi .hide(); // or avi.smoothToHide();} Custom IndicatorSee MyCustomIndicator in Sample .ProguardWhen using proguard need add rules:-keep classcom.wang.avi.** { *; }-keep classcom.wang.avi.indicators.** { *; }Indicators is load from class names, proguard may change it (rename).IndicatorsAs seen above in the Demo, the indicators are as follows:Row 1BallPulseIndicatorBallGridPulseIndicatorBallClipRotateIndicatorBallClipRotatePulseIndicatorRow 2SquareSpinIndicatorBallClipRotateMultipleIndicatorBallPulseRiseIndicatorBallRotateIndicatorRow 3CubeTransitionIndicatorBallZigZagIndicatorBallZigZagDeflectIndicatorBallTrianglePathIndicatorRow 4BallScaleIndicatorLineScaleIndicatorLineScalePartyIndicatorBallScaleMultipleIndicatorRow 5BallPulseSyncIndicatorBallBeatIndicatorLineScalePulseOutIndicatorLineScalePulseOutRapidIndicatorRow 6BallScaleRippleIndicatorBallScaleRippleMultipleIndicatorBallSpinFadeLoaderIndicatorLineSpinFadeLoaderIndicatorRow 7TriangleSkewSpinIndicatorPacmanIndicatorBallGridBeatIndicatorSemiCircleSpinIndicatorRow 8com.wang.avi.sample.MyCustomIndicator來源：NVActivityIndicatorView

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