android baseActivity

package newdemo.jeno.designdemo.activitynew;

import android.os.Bundle;import android.support.annotation.Nullable;import android.support.v7.app.AppCompatActivity;import android.support.v7.widget.Toolbar;import android.view.View;import android.widget.ImageView;import android.widget.TextView;

import newdemo.jeno.designdemo.R;import newdemo.jeno.designdemo.view.ToolBarBean;

/** * Created by songjiabin1 on 2016/9/18. */public abstract class BaseActivity extends AppCompatActivity {

    private TextView tvTitle;    private ImageView ivTopBack;    private Toolbar toolbar;    private ToolBarBean toolBarBean;

    @Override    protected void onCreate(@Nullable Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        //此为积累的activity        setContentView(getLayout());        inintData();    }

    /**     * 得到布局文件     *     * @return     */    public abstract int getLayout();

    /**     * 初始化view     */    protected abstract void inintData();

    protected <T extends View> T findView(int resourcesId) {        return (T) findViewById(resourcesId);    }

    protected ToolBarBean getToolbar() {        if (toolBarBean == null) {            toolbar = (Toolbar) findViewById(R.id.toolbar);            toolBarBean = new ToolBarBean(this, toolbar);        }        return toolBarBean;    }

}

package newdemo.jeno.designdemo.view;

import android.support.v7.app.AppCompatActivity;import android.support.v7.widget.Toolbar;import android.view.View;import android.widget.ImageView;import android.widget.TextView;

import newdemo.jeno.designdemo.R;

/** * Created by songjiabin1 on 2016/9/18. */public class ToolBarBean {    private TextView tvTitle;    private ImageView ivToolbarBack;    private AppCompatActivity context;    private Toolbar toolbar;

    public ToolBarBean(AppCompatActivity context, Toolbar toolbar) {        this.context = context;        this.toolbar = toolbar;        ivToolbarBack = (ImageView) toolbar.findViewById(R.id.iv_topBack);        tvTitle = (TextView) toolbar.findViewById(R.id.tvTitle);    }

    /**     * 进行回退     */    public ToolBarBean setBack() {        ivToolbarBack.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                context.finish();            }        });        return this;    }

    /**     * 设置标题     */    public ToolBarBean setTitle(String title) {        tvTitle.setText(title);        return this;    }

    /**     * 自定义的回退     */    public ToolBarBean setCustomBack(View.OnClickListener onClickListener) {        ivToolbarBack.setOnClickListener(onClickListener);        return this;    }}