项目中用到的那些方便流行的库-强烈推荐

1 dependencies {
2       compile ‘io.reactivex:rxjava:1.0.y-SNAPSHOT‘
3   }

 1 Observable.create(new Observable.OnSubscribe<ArrayList<MyItem>>() {
 2 
 3               @Override
 4               public void call(Subscriber<? super ArrayList<MyItem>> subscriber) {
 5                   //一般为耗时操作，网络获取数据或者读取数据库等
 6                   ArrayList<MyItem> localData = MyDbManager.getDbDatas();
 7                   subscriber.onNext(localData); //数据获取之后，返回获取的数据
 8                   subscriber.onCompleted();
 9               }
10           })
11                   .subscribeOn(Schedulers.io()) //获取数据在io线程中
12                   .observeOn(AndroidSchedulers.mainThread()) //得到数据之后，在主线程更新界面和数据
13                   .subscribe(new Observer<ArrayList<MyItem>>() {
14                       @Override
15                       public void onCompleted() {
16 
17                       }
18 
19                       @Override
20                       public void onError(Throwable e) {
21 
22                       }
23 
24                       @Override
25                       public void onNext(ArrayList<MyItem> items) {
26                           //得到数据，do something
27                       }
28                   });

1 //防止多击，500ms内算一次点击
2   RxView.clicks(view)
3       .throttleFirst(500, TimeUnit.MILLISECONDS)
4       .subscribe(new Action1<Void>() {
5           @Override
6           public void call(Void aVoid) {
7               //点击事件处理
8           }
9       });

1 //伪代码
2   Observable.compose(this.<MyData>bindToLifecycle()) //activity中
3   Observable..compose(this.<MyData>bindUntilEvent(FragmentEvent.DETACH)) //Fragment中

1 git clone https://android.googlesource.com/platform/frameworks/volley

1 Picasso.with(context).load(uri).placeholder(R.drawable.placeholder).into(view);

1 Glide.with(context).load(uri).placeholder(R.drawable.placeholder).into(view);

1 dependencies {
2       debugCompile ‘com.squareup.leakcanary:leakcanary-android:1.3.1‘
3       forTestCompile ‘com.squareup.leakcanary:leakcanary-android:1.3.1‘
4       releaseCompile ‘com.squareup.leakcanary:leakcanary-android-no-op:1.3.1‘
5   }

 1 public class MyApplication extends MultiDexApplication {
 2 
 3       private RefWatcher mRefWatcher;
 4 
 5       @Override
 6       public void onCreate() {
 7           super.onCreate();
 8            // init memory leak detection
 9           mRefWatcher = LeakCanary.install(this);
10       }
11 
12       public static RefWatcher getRefWatcher(Context context) {
13           MyApplication application = (MyApplication) context.getApplicationContext();
14           return application.mRefWatcher;
15       }
16   }
17 
18   //监控你想要监控的对象。以此为例：
19   public class BaseFragment extends RxFragment {
20       @Override
21       public void onDestroy() {
22           super.onDestroy();
23           if (getActivity() != null) {
24               RefWatcher refWatcher = ZYApplication.getRefWatcher(getActivity());
25               refWatcher.watch(this);
26           }
27       }
28   }

 1 public class AccountEvent {
 2       private User user;//你想要传递的数据
 3       public AccountEvent(User user) {
 4           this.user = user;
 5       }
 6 
 7       public User getUser() {
 8           return user;
 9       }
10 
11       public void setUser(User user) {
12           this.user = user;
13       }
14   }
15 
16   public class LoginActivity {
17       public loginSuccess(User user) {
18           EventBus.getDefault().post(new AccountEvent(user));//发消息
19       }
20   }
21 
22   public class MyFragment{
23       @Override
24       public void onCreate(Bundle savedInstanceState) {
25           super.onCreate(savedInstanceState);
26           EventBus.getDefault().register(this);
27       }
28 
29       @Override
30       public void onDestroy() {
31           super.onDestroy();
32           EventBus.getDefault().unregister(this);
33       }
34 
35       public void onEvent(AccountEvent event) {//接受消息
36           //do something 
37       }
38   }

 1 @EActivity(R.layout.activity_my)
 2   public class MyActivity extends BaseActivity {
 3       @StringRes(R.string.my_string)
 4       String mMyString;
 5 
 6       @ViewById(R.id.tv)
 7       TextView mTV;
 8 
 9       @Extra()
10       int mCount;
11 
12       @Pref
13       UserPreference_ mUserPreference;
14 
15       @AfterViews
16       void initialize() {
17       //初始化数据
18       }
19 
20       @Click(R.id.finish_iv)
21       void finish() {
22           //do something
23       }
24 
25       public void loginSuccess(){
26           mUserPreference.edit().hasLogin().put(true).apply();
27       }
28   }
29 
30   @SharedPref(value = SharedPref.Scope.UNIQUE) //作用域：整个应用都可以使用
31   public interface UserPreference {
32       @DefaultBoolean(false)
33       boolean hasLogin();
34   }