first

.svn/pristine/a1/a16725b7846c9430e1b05606257d17ba2a830ab2.svn-base

@@ -0,0 +1,68 @@
+package com.yexue.android.rrxjava;
+
+import android.os.Bundle;
+import android.support.design.widget.FloatingActionButton;
+import android.support.design.widget.Snackbar;
+import android.support.v7.app.AppCompatActivity;
+import android.support.v7.widget.Toolbar;
+import android.view.View;
+import android.widget.TextView;
+
+import rx.Observable;
+import rx.functions.Action1;
+import rx.functions.Func1;
+
+public class MapActivity extends AppCompatActivity {
+    TextView rxmap;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_map);
+        rxmap = (TextView) findViewById(R.id.rxmap);
+        method2();
+       
+    }
+
+    /**
+     * Observable可以进行数据查询，Subscriber用来显示结果；
+     *
+     * Observable是屏幕上的点击事件，Subscriber用来响应事件；
+     *
+     * Observable可以是网络请求，Subscriber用来显示请求结果。
+     *
+     */
+    public void method1(){
+        Observable.just("RxJava Map").map(new Func1<String, String>() {
+
+            @Override
+            public String call(String str) {
+                return str + "map后缀";
+            }
+        }).subscribe(new Action1<String>() {
+            @Override
+            public void call(String s) {
+                rxmap.setText(s);
+            }
+        });
+    }
+    public void method2(){
+        Observable.just("map").map(new Func1<String, Integer>() {
+            @Override
+            public Integer call(String s) {
+                return s.hashCode();
+            }
+        }).map(new Func1<Integer, String>() {
+            @Override
+            public String call(Integer integer) {
+                return integer.toString()+"->2th";
+            }
+        }).subscribe(new Action1<String>() {
+            @Override
+            public void call(String s) {
+                rxmap.setText(s);
+            }
+        });
+    }
+
+}