關鍵字的activity

import android.os.Bundle;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import com.bawei.new1.adapter.RecyAdapter;
import com.bawei.new1.presenter.ShowPresenter;
import com.bawei.new1.view.IView;
import com.scwang.smartrefresh.layout.SmartRefreshLayout;
import com.scwang.smartrefresh.layout.api.RefreshLayout;
import com.scwang.smartrefresh.layout.listener.OnLoadmoreListener;
import com.scwang.smartrefresh.layout.listener.OnRefreshListener;
import com.scwang.smartrefresh.layout.listener.OnRefreshLoadmoreListener;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class MainActivity extends AppCompatActivity implements View.OnClickListener,IView {

private EditText edtext;
private Button button;
private SmartRefreshLayout refresh;
private RecyclerView recyView;
private ShowPresenter showPresenter;
private Handler handler = new Handler();
private int page=1;
private RecyAdapter adapter;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    showPresenter = new ShowPresenter();
    showPresenter.getAttachView(this);
    initView();
    LinearLayoutManager linearLayoutManager = new LinearLayoutManager(this);
    recyView.setLayoutManager(linearLayoutManager);
}
//內存泄漏
@Override
protected void onDestroy() {
    super.onDestroy();
    showPresenter.getDeachView(this);
}

private void initView() {

    edtext = (EditText) findViewById(R.id.edtext);
    button = (Button) findViewById(R.id.button);
    button.setOnClickListener(this);
    refresh = (SmartRefreshLayout) findViewById(R.id.refresh);
    recyView = (RecyclerView) findViewById(R.id.recy_view);
    refresh.setOnRefreshListener(new OnRefreshListener() {
        @Override
        public void onRefresh(RefreshLayout refreshlayout) {
            adapter.notifyDataSetChanged();
            refreshlayout.finishRefresh();
        }
    });
    refresh.setOnLoadmoreListener(new OnLoadmoreListener() {
        @Override
        public void onLoadmore(RefreshLayout refreshlayout) {
            page++;
            String tex = edtext.getText().toString();
            if (tex.length()>0){
                showPresenter.getData(tex,page);
            }
            refreshlayout.finishLoadmore();
        }
    });
    refresh.setEnableRefresh(true);
    refresh.setEnableLoadmore(true);
    refresh.finishLoadmore();
    refresh.finishRefresh();
}

@Override
public void showData(final String json) {
    handler.post(new Runnable() {
        @Override
        public void run() {
            try {
                JSONObject jsonObject = new JSONObject(json);
                JSONArray result = jsonObject.getJSONArray("result");
                adapter = new RecyAdapter(MainActivity.this,result);
                recyView.setAdapter(adapter);
            } catch (JSONException e) {
                e.printStackTrace();
            }
        }
    });
}

@Override
public void onClick(View view) {
    switch (view.getId()){
        case R.id.button:
            page=1;
            String textt = edtext.getText().toString();
            if (textt.isEmpty()){
                Toast.makeText(this, "搜索內容不能爲空", Toast.LENGTH_SHORT).show();
                return;
            }else {
                showPresenter.getData(textt,page);
            }
    }
}

}