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1 | 1 | package com.rust.aboutview.activity; |
2 | 2 |
|
3 | 3 | import android.app.Activity; |
| 4 | +import android.graphics.Color; |
4 | 5 | import android.os.Bundle; |
5 | | -import android.os.Looper; |
| 6 | +import android.support.v4.content.ContextCompat; |
| 7 | +import android.support.v7.widget.Toolbar; |
| 8 | +import android.util.Log; |
| 9 | +import android.view.View; |
| 10 | +import android.widget.TextView; |
| 11 | +import android.widget.Toast; |
6 | 12 |
|
7 | 13 | import com.rust.aboutview.R; |
8 | 14 |
|
9 | 15 | import rx.Observable; |
| 16 | +import rx.Subscriber; |
10 | 17 | import rx.android.schedulers.AndroidSchedulers; |
11 | | -import rx.schedulers.Schedulers; |
| 18 | +import rx.functions.Action1; |
| 19 | + |
| 20 | +import static com.rust.aboutview.R.id.act_rx_btn2; |
12 | 21 |
|
13 | 22 | public class RxAndroidActivity extends Activity { |
14 | 23 |
|
| 24 | + private static final String TAG = RxAndroidActivity.class.getSimpleName(); |
| 25 | + |
| 26 | + private TextView mTv1; |
| 27 | + private TextView mTv2; |
| 28 | + private TextView mTv3; |
| 29 | + |
| 30 | + private int mCount = 0; |
| 31 | + |
15 | 32 | @Override |
16 | 33 | protected void onCreate(Bundle savedInstanceState) { |
17 | 34 | super.onCreate(savedInstanceState); |
18 | 35 | setContentView(R.layout.act_rx_android); |
19 | | - Observable.just("one", "two", "three", "four", "five") |
20 | | - .subscribeOn(Schedulers.newThread()) |
21 | | - .observeOn(AndroidSchedulers.mainThread()) |
22 | | - .subscribe(/* an Observer */); |
| 36 | + Toolbar toolbar = (Toolbar) findViewById(R.id.act_rx_toolbar); |
| 37 | + toolbar.setTitle("RxAndroid demo"); |
| 38 | + toolbar.setTitleTextColor(Color.WHITE); |
| 39 | + toolbar.setBackgroundColor(ContextCompat.getColor(getApplicationContext(), R.color.colorPrimary)); |
23 | 40 |
|
| 41 | + mTv1 = (TextView) findViewById(R.id.act_rx_tv1); |
| 42 | + mTv2 = (TextView) findViewById(R.id.act_rx_tv2); |
| 43 | + mTv3 = (TextView) findViewById(R.id.act_rx_tv3); |
| 44 | + |
| 45 | + findViewById(R.id.act_rx_btn1).setOnClickListener(new View.OnClickListener() { |
| 46 | + @Override |
| 47 | + public void onClick(View v) { |
| 48 | + mCount++; |
| 49 | + Log.d(TAG, "onClick: " + mCount); |
| 50 | + /** |
| 51 | + * 实例1 将事件源与订阅者关联起来 |
| 52 | + */ |
| 53 | + @SuppressWarnings("unchecked") |
| 54 | + Observable<String> observable = Observable.create(mObservableAction) |
| 55 | + .subscribeOn(AndroidSchedulers.mainThread()); |
| 56 | + observable.subscribe(mSubscriber1); |
| 57 | + observable.subscribe(mActionTv2);// 这个可以一直执行下去 |
| 58 | + } |
| 59 | + }); |
| 60 | + |
| 61 | + findViewById(act_rx_btn2).setOnClickListener(new View.OnClickListener() { |
| 62 | + @Override |
| 63 | + public void onClick(View v) { |
| 64 | + // 事件产生,分发给订阅者 |
| 65 | + Observable<String> oba1 = Observable.just("事件分发源 " + mCount); |
| 66 | + oba1.observeOn(AndroidSchedulers.mainThread()); |
| 67 | + oba1.subscribe(mActionTv3); |
| 68 | + oba1.subscribe(mActionShowToast); |
| 69 | + } |
| 70 | + }); |
24 | 71 | } |
| 72 | + |
| 73 | + /** |
| 74 | + * 接收消息的订阅者 |
| 75 | + */ |
| 76 | + Subscriber<String> mSubscriber1 = new Subscriber<String>() { |
| 77 | + @Override |
| 78 | + public void onCompleted() { |
| 79 | + Log.d(TAG, "onCompleted: got sth"); |
| 80 | + } |
| 81 | + |
| 82 | + @Override |
| 83 | + public void onError(Throwable e) { |
| 84 | + Log.d(TAG, "onError"); |
| 85 | + } |
| 86 | + |
| 87 | + @Override |
| 88 | + public void onNext(String str) { |
| 89 | + Log.d(TAG, "onNext:" + str); |
| 90 | + mTv1.setText(str); |
| 91 | + } |
| 92 | + }; |
| 93 | + |
| 94 | + /** |
| 95 | + * 被观察者 |
| 96 | + */ |
| 97 | + Observable.OnSubscribe mObservableAction = new Observable.OnSubscribe<String>() { |
| 98 | + @Override |
| 99 | + public void call(Subscriber<? super String> subscriber) { |
| 100 | + subscriber.onNext("mObservableAction: " + mCount); |
| 101 | + /** |
| 102 | + * Notifies the Observer that the {@link Observable} |
| 103 | + * has finished sending push-based notifications |
| 104 | + */ |
| 105 | + subscriber.onCompleted();// 执行了此方法后,将不再接收处理消息 |
| 106 | + } |
| 107 | + }; |
| 108 | + |
| 109 | + /** |
| 110 | + * 作为观察者 - 接收到事件后执行操作 |
| 111 | + * 不知为何要起 Action1 这个名字 |
| 112 | + */ |
| 113 | + private Action1<String> mActionTv2 = new Action1<String>() { |
| 114 | + @Override |
| 115 | + public void call(String s) { |
| 116 | + mTv2.setText(s); |
| 117 | + } |
| 118 | + }; |
| 119 | + |
| 120 | + private Action1<String> mActionTv3 = new Action1<String>() { |
| 121 | + @Override |
| 122 | + public void call(String s) { |
| 123 | + mTv3.setText(s); |
| 124 | + } |
| 125 | + }; |
| 126 | + |
| 127 | + private Action1<String> mActionShowToast = new Action1<String>() { |
| 128 | + @Override |
| 129 | + public void call(String s) { |
| 130 | + Toast.makeText(RxAndroidActivity.this, s, Toast.LENGTH_SHORT).show(); |
| 131 | + } |
| 132 | + }; |
| 133 | + |
25 | 134 | } |
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