布局：
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="50dp"
android:orientation="horizontal">
<ImageView
android:id="@+id/image"
android:layout_width="0dp"
android:layout_height="50dp"
android:layout_weight="1"
android:src="@mipmap/ic_launcher"/>
<EditText
android:id="@+id/edittext"
android:layout_width="0dp"
android:layout_height="50dp"
android:layout_weight="9"
android:hint="请输入要搜索的内容"/>
<TextView
android:id="@+id/textview"
android:layout_width="0dp"
android:layout_height="50dp"
android:layout_weight="1"
android:text="搜索"/>
</LinearLayout>
主要代码：
public class MyView extends LinearLayout {
public Paint paint;
public MyView(Context context) {
super(context,null);
}
public MyView(Context context, @Nullable AttributeSet attrs) {
super(context, attrs,0);
}
public MyView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
LayoutInflater.from(context).inflate(R.layout.activity_main,this,true);
}
}
Activity：
public class MainActivity extends AppCompatActivity {
public TextView sousuo;
public EditText editText;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
sousuo=findViewById(R.id.textview);
editText=findViewById(R.id.edittext);
sousuo.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
TextView textView=new TextView(MainActivity.this);
String sss=editText.getText().toString();
textView.setText(sss+" ");
}
});
}
}
