繼承RelativeLayout 自定義佈局

public class HomeToolbarView extends RelativeLayout {
    TextView tvTitle;

    public HomeToolbarView(Context context) {
        super(context);
        addView(context);
    }
    public HomeToolbarView(Context context, AttributeSet attrs) {
        super(context, attrs);
        addView(context);
    }
    public HomeToolbarView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        addView(context);
    }


    public void addView(Context mContext){
        ImageView imageViewMenu=new ImageView(mContext);
        ImageView imageViewMessage=new ImageView(mContext);
        tvTitle=new TextView(mContext);
        addView(imageViewMenu);
        addView(imageViewMessage);
        addView(tvTitle);

        RelativeLayout.LayoutParams menuLayoutParams = (RelativeLayout.LayoutParams) imageViewMenu.getLayoutParams();
        RelativeLayout.LayoutParams messageLayoutParams = (RelativeLayout.LayoutParams) imageViewMessage.getLayoutParams();
        RelativeLayout.LayoutParams titleLayoutParams = (RelativeLayout.LayoutParams) tvTitle.getLayoutParams();

        menuLayoutParams.width=getResources().getDimensionPixelOffset(R.dimen.home_toolbar_image_width_heigth);
        menuLayoutParams.height=getResources().getDimensionPixelOffset(R.dimen.home_toolbar_image_width_heigth);
        menuLayoutParams.setMargins(getResources().getDimensionPixelOffset(R.dimen.common_margin)
                ,0,0,0);
        menuLayoutParams.addRule(RelativeLayout.ALIGN_PARENT_LEFT,TRUE);
        menuLayoutParams.addRule(RelativeLayout.CENTER_VERTICAL,TRUE);


        titleLayoutParams.width= LayoutParams.MATCH_PARENT;
        titleLayoutParams.height=LayoutParams.MATCH_PARENT;
        titleLayoutParams.addRule(RelativeLayout.CENTER_IN_PARENT,TRUE);

        messageLayoutParams.width=getResources().getDimensionPixelOffset(R.dimen.home_toolbar_image_width_heigth);
        messageLayoutParams.height=getResources().getDimensionPixelOffset(R.dimen.home_toolbar_image_width_heigth);
        messageLayoutParams.setMargins(0
                ,0,getResources().getDimensionPixelOffset(R.dimen.common_margin),0);
        messageLayoutParams.addRule(RelativeLayout.ALIGN_PARENT_RIGHT,TRUE);
        messageLayoutParams.addRule(RelativeLayout.CENTER_VERTICAL,TRUE);

        imageViewMenu.setBackground(ContextCompat.getDrawable(mContext,R.drawable.ico_toolbar_left_menu));
        imageViewMessage.setBackground(ContextCompat.getDrawable(mContext,R.drawable.ico_toolbar_left_message));

        tvTitle.setText(mContext.getString(R.string.app_name));
        tvTitle.setTextSize(getResources().getDimension(R.dimen.textsize_8));
        tvTitle.setTextColor(ContextCompat.getColor(mContext,R.color.common_blue));
        tvTitle.setGravity(Gravity.CENTER);
        imageViewMenu.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                listener.leftClick();
            }
        });
        imageViewMessage.setOnClickListener(new OnClickListener() {
            public void onClick(View v) {
                listener.rightClick();
            }
        });

        imageViewMenu.setLayoutParams(menuLayoutParams);
        imageViewMessage.setLayoutParams(messageLayoutParams);
        tvTitle.setLayoutParams(titleLayoutParams);
    }

    public void setTitle(String title){
        tvTitle.setText(title);
    }

    //自定義的頂部ActionBar的點擊監聽；
    private  HomeToolbarClickListener listener;
    //點擊事件的監聽接口
    public interface HomeToolbarClickListener {
         void leftClick();
         void rightClick();
    }
    //提供activity調用的方法，相似於Button類的setOnClickListener(OnClickListener listener)
    //傳入具體實現方法
    public void setOnTopbarClickListener(HomeToolbarClickListener listener){
        this.listener=listener;
    }
}

View Code

使用

   <com.freexiaoyu.app.widget.HomeToolbarView
        android:id="@id/toolbar_home"
        android:layout_width="match_parent"
        android:background="@color/white"
        android:layout_height="48.0dp"
        android:orientation="vertical"/>

　　

activity


    @BindView(R.id.toolbar_home)
    HomeToolbarView toolbar_home;


        toolbar_home.setTitle(getString(R.string.app_name));

 toolbar_home.setOnTopbarClickListener(new HomeToolbarView.HomeToolbarClickListener() {
            @Override
            public void leftClick() {
                if (mDrawerLayout.isDrawerOpen(Gravity.LEFT)) {
                    mDrawerLayout.closeDrawer(Gravity.LEFT);
                } else {
                    mDrawerLayout.openDrawer(Gravity.LEFT);
                }
            }

            @Override
            public void rightClick() {

            }
        });

展現效果