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106 changes: 106 additions & 0 deletions
106
app/src/main/java/github/hellocsl/gallerylayoutmanager/TestActivity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| package github.hellocsl.gallerylayoutmanager; | ||
|
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| import android.os.Bundle; | ||
| import android.support.annotation.Nullable; | ||
| import android.support.v7.app.AppCompatActivity; | ||
| import android.support.v7.widget.RecyclerView; | ||
| import android.util.Log; | ||
| import android.view.View; | ||
| import android.view.ViewGroup; | ||
| import android.widget.Button; | ||
| import android.widget.TextView; | ||
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|
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| import java.util.ArrayList; | ||
| import java.util.List; | ||
| import java.util.Random; | ||
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| import butterknife.BindView; | ||
| import butterknife.ButterKnife; | ||
| import butterknife.OnClick; | ||
| import github.hellocsl.gallerylayoutmanager.adapter.DemoAdapter; | ||
| import github.hellocsl.gallerylayoutmanager.layout.impl.ScaleTransformer; | ||
| import github.hellocsl.layoutmanager.gallery.GalleryLayoutManager; | ||
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| /** | ||
| * Created by chensuilun on 2017/3/24. | ||
| */ | ||
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| public class TestActivity extends AppCompatActivity { | ||
| private static final String TAG = "TestActivity"; | ||
| @BindView(R.id.main_recycle1) | ||
| RecyclerView mMainRecycle1; | ||
| @BindView(R.id.main_tv_recycle_info_1) | ||
| TextView mMainTvRecycleInfo1; | ||
| @BindView(R.id.main_recycle2) | ||
| RecyclerView mMainRecycle2; | ||
| @BindView(R.id.main_tv_recycle_info_2) | ||
| TextView mMainTvRecycleInfo2; | ||
| @BindView(R.id.main_tv_recycle_info_3) | ||
| TextView mMainTvRecycleInfo3; | ||
| @BindView(R.id.main_btn_random) | ||
| Button mMainBtnRandom; | ||
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| @Override | ||
| protected void onCreate(@Nullable Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| setContentView(R.layout.fragment_test); | ||
| ButterKnife.bind(this); | ||
| initView(); | ||
| } | ||
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| private void initView() { | ||
| final List<String> title = new ArrayList<String>(); | ||
| int size = 50; | ||
| for (int i = 0; i < size; i++) { | ||
| title.add("Hello" + i); | ||
| } | ||
| GalleryLayoutManager layoutManager1 = new GalleryLayoutManager(GalleryLayoutManager.HORIZONTAL); | ||
| layoutManager1.attach(mMainRecycle1, 30); | ||
| layoutManager1.setItemTransformer(new ScaleTransformer()); | ||
| DemoAdapter demoAdapter1 = new DemoAdapter(title) { | ||
| @Override | ||
| public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { | ||
| mMainTvRecycleInfo1.append("Create VH type:+" + viewType + "\n"); | ||
| return super.onCreateViewHolder(parent, viewType); | ||
| } | ||
| }; | ||
| demoAdapter1.setOnItemClickListener(new DemoAdapter.OnItemClickListener() { | ||
| @Override | ||
| public void onItemClick(View view, int position) { | ||
| mMainRecycle1.smoothScrollToPosition(position); | ||
| } | ||
| }); | ||
| mMainRecycle1.setAdapter(demoAdapter1); | ||
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| final GalleryLayoutManager layoutManager2 = new GalleryLayoutManager(GalleryLayoutManager.VERTICAL); | ||
| layoutManager2.attach(mMainRecycle2, 20); | ||
| layoutManager2.setCallbackInFling(true); | ||
| layoutManager2.setOnItemSelectedListener(new GalleryLayoutManager.OnItemSelectedListener() { | ||
| @Override | ||
| public void onItemSelected(RecyclerView recyclerView, View item, int position) { | ||
| if (BuildConfig.DEBUG) { | ||
| Log.d(TAG, "onItemSelected: " + item.isSelected()); | ||
| } | ||
| mMainTvRecycleInfo2.setText("selected:" + position + "\n"); | ||
| } | ||
| }); | ||
| DemoAdapter demoAdapter2 = new DemoAdapter(title, DemoAdapter.VIEW_TYPE_TEXT); | ||
| demoAdapter2.setOnItemClickListener(new DemoAdapter.OnItemClickListener() { | ||
| @Override | ||
| public void onItemClick(View view, int position) { | ||
| mMainRecycle2.smoothScrollToPosition(position); | ||
| } | ||
| }); | ||
| mMainRecycle2.setAdapter(demoAdapter2); | ||
| } | ||
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| private final Random mRandom = new Random(); | ||
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| @OnClick(R.id.main_btn_random) | ||
| public void onClick() { | ||
| int selectPosition = mRandom.nextInt(50); | ||
| mMainRecycle1.smoothScrollToPosition(selectPosition); | ||
| mMainRecycle2.smoothScrollToPosition(selectPosition); | ||
| } | ||
|
|
||
| } |
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22 changes: 11 additions & 11 deletions
22
app/src/main/java/github/hellocsl/gallerylayoutmanager/layout/impl/CurveTransformer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,35 +1,35 @@ | ||
| package github.hellocsl.gallerylayoutmanager.layout.impl; | ||
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| import android.util.Log; | ||
| import android.view.View; | ||
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| import github.hellocsl.gallerylayoutmanager.BuildConfig; | ||
| import github.hellocsl.layoutmanager.gallery.GalleryLayoutManager; | ||
|
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| /** | ||
| * Created by chensuilun on 2016/12/16. | ||
| */ | ||
| public class CurveTransformer implements GalleryLayoutManager.ItemTransformer { | ||
|
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| public static final int ROTATE_ANGEL = 7; | ||
| private static final String TAG = "CurveTransformer"; | ||
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| @Override | ||
| public void transformItem(GalleryLayoutManager layoutManager, View item, float fraction) { | ||
| if (BuildConfig.DEBUG) { | ||
| Log.d(TAG, "transformItem() called with: fraction = [" + fraction + "]"); | ||
| } | ||
| if (layoutManager.getOrientation() == GalleryLayoutManager.VERTICAL) { | ||
| return; | ||
| } | ||
| item.setPivotX(item.getWidth() / 2.f); | ||
| item.setPivotY(item.getHeight()); | ||
| int width = item.getWidth(); | ||
| int height = item.getHeight(); | ||
| item.setPivotX(width / 2.f); | ||
| item.setPivotY(height); | ||
| float scale = 1 - 0.1f * Math.abs(fraction); | ||
| item.setScaleX(scale); | ||
| item.setScaleY(scale); | ||
| item.setRotation(10 * fraction); | ||
| item.setTranslationY(30 * Math.abs(fraction)); | ||
| item.setTranslationX(50 * -fraction); | ||
| item.setRotation(ROTATE_ANGEL * fraction); | ||
| item.setTranslationY((float) (Math.sin(2 * Math.PI * ROTATE_ANGEL * Math.abs(fraction) / 360.f) * width / 2.0f)); | ||
| item.setTranslationX((float) ((1 - scale) * width / 2.0f / Math.cos(2 * Math.PI * ROTATE_ANGEL * fraction / 360.f))); | ||
| if (fraction > 0) { | ||
| item.setTranslationX(-item.getTranslationX()); | ||
| } | ||
| item.setAlpha(1 - 0.2f * Math.abs(fraction)); | ||
| } | ||
| } |
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