| |
| package com.example.renderthread; |
| |
| import android.app.Activity; |
| import android.content.Intent; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.util.Log; |
| import android.view.RenderNodeAnimator; |
| import android.view.View; |
| import android.widget.AdapterView; |
| import android.widget.AdapterView.OnItemClickListener; |
| import android.widget.ListView; |
| import android.widget.SimpleAdapter; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| public class MainActivity extends Activity implements OnItemClickListener { |
| |
| static final int DURATION = 400; |
| |
| static final String KEY_NAME = "name"; |
| static final String KEY_CLASS = "clazz"; |
| |
| static Map<String,?> make(String name) { |
| Map<String,Object> ret = new HashMap<String,Object>(); |
| ret.put(KEY_NAME, name); |
| return ret; |
| } |
| |
| @SuppressWarnings("serial") |
| static final ArrayList<Map<String,?>> SAMPLES = new ArrayList<Map<String,?>>() {{ |
| for (int i = 1; i < 25; i++) { |
| add(make("List Item: " + i)); |
| } |
| }}; |
| |
| Handler mHandler = new Handler(); |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| setContentView(R.layout.activity_main); |
| ListView lv = findViewById(android.R.id.list); |
| lv.setDrawSelectorOnTop(true); |
| lv.setAdapter(new SimpleAdapter(this, SAMPLES, |
| R.layout.item_layout, new String[] { KEY_NAME }, |
| new int[] { android.R.id.text1 })); |
| lv.setOnItemClickListener(this); |
| getActionBar().setTitle("MainActivity"); |
| } |
| |
| @Override |
| protected void onResume() { |
| super.onResume(); |
| ListView lv = findViewById(android.R.id.list); |
| for (int i = 0; i < lv.getChildCount(); i++) { |
| lv.getChildAt(i).animate().translationY(0).setDuration(DURATION); |
| } |
| } |
| |
| @Override |
| public void onItemClick(final AdapterView<?> adapterView, View clickedView, |
| int clickedPosition, long clickedId) { |
| int topPosition = adapterView.getFirstVisiblePosition(); |
| int dy = adapterView.getHeight(); |
| for (int i = 0; i < adapterView.getChildCount(); i++) { |
| int pos = topPosition + i; |
| View child = adapterView.getChildAt(i); |
| float delta = (pos - clickedPosition) * 1.1f; |
| if (delta == 0) delta = -1; |
| RenderNodeAnimator animator = new RenderNodeAnimator( |
| RenderNodeAnimator.TRANSLATION_Y, dy * delta); |
| animator.setDuration(DURATION); |
| if (child == clickedView) logTranslationY(clickedView); |
| animator.setTarget(child); |
| animator.start(); |
| if (child == clickedView) logTranslationY(clickedView); |
| } |
| //mHandler.postDelayed(mLaunchActivity, (long) (DURATION * .4)); |
| mLaunchActivity.run(); |
| } |
| |
| private void logTranslationY(View v) { |
| Log.d("RTTest", "View has translationY: " + v.getTranslationY()); |
| } |
| |
| private Runnable mLaunchActivity = new Runnable() { |
| |
| @Override |
| public void run() { |
| startActivity(new Intent(MainActivity.this, SubActivity.class)); |
| overridePendingTransition(0, 0); |
| } |
| }; |
| |
| } |