Android Composite Control Custom Title Bar

In this article, we share the simple custom title bar of Android for your reference. The specific contents are as follows

android custom controls have always been the biggest headache for developers, but we should have the spirit of facing difficulties.

MainActivity

package com.example.customview;

import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Toast;

/*
 android Custom title combination control 
  Steps: 
 1. First, write the layout of the required functions xml Who is the parent control of the parsing layout? 
  Such as horizontal layout   The parent control should be linearlayout More appropriate 
 2. Create a custom control class and inherit xml Parent control 
 3. Use in the constructor layoutInflat Dynamic loading layout 
 */
public class MainActivity extends AppCompatActivity {

 @Override
 protected void onCreate(Bundle savedInstanceState) {
  super.onCreate(savedInstanceState);
  setContentView(R.layout.activity_main);
  // Remove the self-contained title bar 
  ActionBar actionBar = getSupportActionBar();
  if (actionBar != null) {
   actionBar.hide();
  }
 }

}

TitleLayout.class

package com.example.customview.custom;

import android.app.Activity;
import android.content.Context;
import android.util.AttributeSet;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

import com.example.customview.R;

/**
 *  Custom title bar   And assign a click event 
 */
public class TitleLayout extends LinearLayout implements View.OnClickListener {
 private Button btback, btopen;
 private TextView tvtitle;

 public TitleLayout(Context context, AttributeSet attrs) {
  super(context, attrs);
  // Dynamic loading of title bar layout 
  LayoutInflater.from(context).inflate(R.layout.custom_layout, this);
  initView();
 }

 private void initView() {// Initialize control 
  btback = (Button) findViewById(R.id.btback);
  btback.setOnClickListener(this);
  btopen = (Button) findViewById(R.id.btopen);
  btopen.setOnClickListener(this);
  tvtitle = (TextView) findViewById(R.id.tvtitle);
  tvtitle.setOnClickListener(this);
 }

 @Override
 public void onClick(View view) {// Listen for click events 
  switch (view.getId()) {
   case R.id.btback:
    ((Activity) getContext()).finish();
    Toast.makeText(getContext(), " Destroy the current Activity", Toast.LENGTH_SHORT).show();
    break;
   case R.id.btopen:
    Toast.makeText(getContext(), " Unfold ", Toast.LENGTH_SHORT).show();
    break;
   case R.id.tvtitle:
    Toast.makeText(getContext(), " Title ", Toast.LENGTH_SHORT).show();
    break;
  }
 }
}

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical"
 tools:context="com.example.customview.MainActivity">

 <include layout="@layout/custom_layout" />

 <com.example.customview.custom.TitleLayout
  android:layout_width="match_parent"
  android:layout_height="wrap_content" />
</LinearLayout>

custom_layout.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
 xmlns:tools="http://schemas.android.com/tools"
 android:layout_width="match_parent"
 android:layout_height="match_parent"
 android:orientation="vertical"
 tools:context="com.example.customview.MainActivity">

 <include layout="@layout/custom_layout" />

 <com.example.customview.custom.TitleLayout
  android:layout_width="match_parent"
  android:layout_height="wrap_content" />
</LinearLayout>

Paste the above code and you can run it.