1.TitleView类
package com.example.rikaoti; import android.content.Context; import android.support.annotation.Nullable; import android.util.AttributeSet; import android.view.LayoutInflater; import android.widget.LinearLayout; import android.widget.TextView; public class TitleView extends LinearLayout { private TextView tvBack; private TextView tvSubmit; public TitleView(Context context) { this(context, null); } public TitleView(Context context, @Nullable AttributeSet attrs) { super(context, attrs); LayoutInflater.from(context).inflate(R.layout.title, this); tvBack = findViewById(R.id.tvBack); tvSubmit = findViewById(R.id.tvSubmit); } public void setBackClickListener(OnClickListener onClickListener) { tvBack.setOnClickListener(onClickListener); } public void setSubmitClickListener(OnClickListener onClickListener) { tvSubmit.setOnClickListener(onClickListener); } /* @Override public void onClick(View v) { switch (v.getId()) { case R.id.tvBack: Toast.makeText(getContext(), "返回", Toast.LENGTH_SHORT).show(); break; case R.id.tvSubmit: Toast.makeText(getContext(), "提交", Toast.LENGTH_SHORT).show(); break; } }*/ }
2.MainActivity类
package com.example.rikaoti; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.Toast; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); TitleView titleView = findViewById(R.id.title); titleView.setBackClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Toast.makeText(MainActivity.this, "返回", Toast.LENGTH_SHORT).show(); } }); titleView.setSubmitClickListener(new View.OnClickListener() { @Override public void onClick(View v) { Toast.makeText(MainActivity.this, "提交", Toast.LENGTH_SHORT).show(); } }); } }
3.title.xml
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="50dp" android:background="#ff3660"> <TextView android:id="@+id/tvBack" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerVertical="true" android:text="返回" android:textSize="20sp" android:textColor="#ffffff"/> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerInParent="true" android:text="标题" android:textColor="#ffffff" android:textSize="25sp"/> <TextView android:id="@+id/tvSubmit" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:text="提交" android:textColor="#ffffff" android:textSize="20sp"/> </RelativeLayout>