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37 changes: 37 additions & 0 deletions
37
banner/src/main/java/com/youth/banner/transformer/DepthPageTransformer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package com.youth.banner.transformer; | ||
|
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| import android.support.v4.view.ViewPager; | ||
| import android.view.View; | ||
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| public class DepthPageTransformer implements ViewPager.PageTransformer { | ||
| private static float MIN_SCALE = 0.75f; | ||
| @Override | ||
| public void transformPage(View view, float position) { | ||
| int pageWidth = view.getWidth(); | ||
| if (position < -1) { // [-Infinity,-1) | ||
| // This page is way off-screen to the left. | ||
| view.setAlpha(0); | ||
| } else if (position <= 0) { // [-1,0] | ||
| // Use the default slide transition when | ||
| // moving to the left page | ||
| view.setAlpha(1); | ||
| view.setTranslationX(0); | ||
| view.setScaleX(1); | ||
| view.setScaleY(1); | ||
| } else if (position <= 1) { // (0,1] | ||
| // Fade the page out. | ||
| view.setAlpha(1 - position); | ||
| // Counteract the default slide transition | ||
| view.setTranslationX(pageWidth * -position); | ||
| // Scale the page down (between MIN_SCALE and 1) | ||
| float scaleFactor = MIN_SCALE + (1 - MIN_SCALE) | ||
| * (1 - Math.abs(position)); | ||
| view.setScaleX(scaleFactor); | ||
| view.setScaleY(scaleFactor); | ||
| } else { // (1,+Infinity] | ||
| // This page is way off-screen to the right. | ||
| view.setAlpha(0); | ||
|
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| } | ||
| } | ||
| } |
46 changes: 46 additions & 0 deletions
46
banner/src/main/java/com/youth/banner/transformer/RotateDownPageTransformer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| package com.youth.banner.transformer; | ||
|
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| import android.support.v4.view.ViewPager; | ||
| import android.view.View; | ||
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| import com.nineoldandroids.view.ViewHelper; | ||
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| public class RotateDownPageTransformer implements ViewPager.PageTransformer { | ||
| private static final float ROT_MAX = 20.0f; | ||
| private float mRot; | ||
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| public void transformPage(View view, float position) { | ||
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| if (position < -1) { // [-Infinity,-1) | ||
| // This page is way off-screen to the left. | ||
| ViewHelper.setRotation(view, 0); | ||
|
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| } else if (position <= 1) // a页滑动至b页 ； a页从 0.0 ~ -1 ；b页从1 ~ 0.0 | ||
| { // [-1,1] | ||
| // Modify the default slide transition to shrink the page as well | ||
| if (position < 0) { | ||
|
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| mRot = (ROT_MAX * position); | ||
| ViewHelper.setPivotX(view, view.getMeasuredWidth() * 0.5f); | ||
| ViewHelper.setPivotY(view, view.getMeasuredHeight()); | ||
| ViewHelper.setRotation(view, mRot); | ||
| } else { | ||
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| mRot = (ROT_MAX * position); | ||
| ViewHelper.setPivotX(view, view.getMeasuredWidth() * 0.5f); | ||
| ViewHelper.setPivotY(view, view.getMeasuredHeight()); | ||
| ViewHelper.setRotation(view, mRot); | ||
| } | ||
|
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| // Scale the page down (between MIN_SCALE and 1) | ||
|
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| // Fade the page relative to its size. | ||
|
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| } else { // (1,+Infinity] | ||
| // This page is way off-screen to the right. | ||
| ViewHelper.setRotation(view, 0); | ||
| } | ||
| } | ||
| } |
41 changes: 41 additions & 0 deletions
41
banner/src/main/java/com/youth/banner/transformer/ZoomOutPageTransformer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| package com.youth.banner.transformer; | ||
|
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| import android.support.v4.view.ViewPager; | ||
| import android.view.View; | ||
|
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| public class ZoomOutPageTransformer implements ViewPager.PageTransformer { | ||
| private static float MIN_SCALE = 0.85f; | ||
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| private static float MIN_ALPHA = 0.5f; | ||
|
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| @Override | ||
| public void transformPage(View view, float position) { | ||
| int pageWidth = view.getWidth(); | ||
| int pageHeight = view.getHeight(); | ||
|
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| if (position < -1) { // [-Infinity,-1) | ||
| // This page is way off-screen to the left. | ||
| view.setAlpha(0); | ||
| } else if (position <= 1) { // [-1,1] | ||
| // Modify the default slide transition to | ||
| // shrink the page as well | ||
| float scaleFactor = Math.max(MIN_SCALE, 1 - Math.abs(position)); | ||
| float vertMargin = pageHeight * (1 - scaleFactor) / 2; | ||
| float horzMargin = pageWidth * (1 - scaleFactor) / 2; | ||
| if (position < 0) { | ||
| view.setTranslationX(horzMargin - vertMargin / 2); | ||
| } else { | ||
| view.setTranslationX(-horzMargin + vertMargin / 2); | ||
| } | ||
| // Scale the page down (between MIN_SCALE and 1) | ||
| view.setScaleX(scaleFactor); | ||
| view.setScaleY(scaleFactor); | ||
| // Fade the page relative to its size. | ||
| view.setAlpha(MIN_ALPHA + (scaleFactor - MIN_SCALE) | ||
| / (1 - MIN_SCALE) * (1 - MIN_ALPHA)); | ||
| } else { // (1,+Infinity] | ||
| // This page is way off-screen to the right. | ||
| view.setAlpha(0); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| #Tue Apr 26 15:55:03 CST 2016 | ||
| #Wed Aug 24 15:56:37 CST 2016 | ||
| distributionBase=GRADLE_USER_HOME | ||
| distributionPath=wrapper/dists | ||
| zipStoreBase=GRADLE_USER_HOME | ||
| zipStorePath=wrapper/dists | ||
| distributionUrl=https\://services.gradle.org/distributions/gradle-2.10-all.zip | ||
| distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip |