下拉界面的修改

Author: LiKeLu

.idea/dictionaries/heartblood.xml

@@ -20,7 +20,7 @@ android {
 }
 
 dependencies {
-    compile fileTree(dir: 'libs', include: ['*.jar'])
+    compile fileTree(include: ['*.jar'], dir: 'libs')
     testCompile 'junit:junit:4.12'
     compile 'com.android.support:appcompat-v7:23.1.1'
     compile 'com.android.support:design:23.1.1'
@@ -32,4 +32,6 @@ dependencies {
     compile 'com.github.dmytrodanylyk.shadow-layout:library:1.0.3'
     compile 'com.kyleduo.switchbutton:library:1.4.0'
     compile 'com.github.ksoichiro:android-observablescrollview:1.5.1'
+    compile 'in.srain.cube:ultra-ptr:1.0.11'
+    compile 'com.android.support:percent:23.1.1'
 }

.idea/inspectionProfiles/Project_Default.xml

@@ -1,5 +1,6 @@
 package com.heartblood.nucdemo;
 
+import android.os.Build;
 import android.os.Bundle;
 import android.support.design.widget.FloatingActionButton;
 import android.support.design.widget.Snackbar;
@@ -9,30 +10,71 @@
 import android.support.v7.widget.Toolbar;
 import android.util.Log;
 import android.view.View;
+import android.view.animation.Animation;
+
+import com.facebook.drawee.backends.pipeline.Fresco;
 import com.heartblood.nucdemo.adapter.NewsListAdapter;
 import com.heartblood.nucdemo.common.ui.BaseActivity;
+import com.heartblood.nucdemo.common.ui.MountainScenceView;
 import com.loopj.android.http.AsyncHttpClient;
 import com.loopj.android.http.JsonHttpResponseHandler;
+
 import org.json.JSONArray;
 import org.json.JSONObject;
 
 import cz.msebera.android.httpclient.Header;
+import in.srain.cube.views.ptr.PtrFrameLayout;
+import in.srain.cube.views.ptr.PtrHandler;
+import in.srain.cube.views.ptr.header.StoreHouseHeader;
 
 public class NewsActivity extends BaseActivity {
 
     private RecyclerView mRecyclerView;
     private NewsListAdapter mNewsListAdapter;
     private JSONArray mJsonData;
+    private PtrFrameLayout mPtrFrameLayout;
+    private MountainScenceView mMountainScenceView;
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        Fresco.initialize(this);
         setContentView(R.layout.activity_news);
         Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
         setSupportActionBar(toolbar);
-
+        mMountainScenceView = (MountainScenceView) findViewById(R.id.mountain_scence_view);
         mRecyclerView = (RecyclerView) findViewById(R.id.news_list);
         mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
         getNewsJson("http://119.29.58.43/api/getSfBlog/getPage=1", this);
+        mPtrFrameLayout = (PtrFrameLayout) findViewById(R.id.news_card_ptr_frame);
+        mPtrFrameLayout.setPtrHandler(new PtrHandler() {
+            public int getScrollHeight() {
+                View c = mRecyclerView.getChildAt(0);
+                if (c == null) {
+                    return 0;
+                }
+                int top = c.getTop();
+                return top;
+            }
+
+            @Override
+            public boolean checkCanDoRefresh(PtrFrameLayout frame, View content, View header) {
+
+                mMountainScenceView.updateFactor(content.getTop());
+                if (getScrollHeight() >= 0)
+                    return true;
+                return false;
+            }
+
+            @Override
+            public void onRefreshBegin(PtrFrameLayout frame) {
+                frame.postDelayed(new Runnable() {
+                    @Override
+                    public void run() {
+                        mPtrFrameLayout.refreshComplete();
+                    }
+                }, 1800);
+            }
+        });
         FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
         fab.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -52,12 +94,14 @@ public void onSuccess(int statusCode, Header[] headers, JSONArray response) {
                 mJsonData = response;
                 mRecyclerView.setAdapter(mNewsListAdapter = new NewsListAdapter(newsActivity, mJsonData));
             }
+
             @Override
             public void onFailure(int statusCode, Header[] headers, Throwable throwable, JSONObject errorResponse) {
                 // TODO: 16/5/9 获取json失败
                 super.onFailure(statusCode, headers, throwable, errorResponse);
-                Log.e("测试","报错报错啦");
+                Log.e("测试", "报错报错啦");
             }
         });
     }
+
 }