TextView和EditText

TextView

TextView创建链接

android:textIsSelectable="true"（文字可以被选中）

<?xml version="1.0" encoding="utf-8"?>

EditText

<?xml version="1.0" encoding="utf-8"?>

package com.example.android03;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.text.Editable;import android.text.TextWatcher;import android.view.Gravity;import android.view.KeyEvent;import android.view.Menu;import android.view.View;import android.widget.EditText;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends AppCompatActivity {    private TextView textview_email;    private EditText editText_name;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        //绑定布局文件        setContentView(R.layout.activity_main);        //根据ID查找组件        textview_email = (TextView) findViewById(R.id.textview_email);        textview_email.setText("1278522550@qq.com");        editText_name = (EditText)findViewById(R.id.editText_name);        editText_name.addTextChangedListener(new TextWatcher() {            @Override            public void beforeTextChanged(CharSequence s, int start, int count, int after) {//输入文字前                System.out.println("beforeTextChanged--"+s);            }            @Override//输入文字时            public void onTextChanged(CharSequence s, int start, int before, int count) {                System.out.println("onTextChanged--"+s);            }            @Override//输入文字后            public void afterTextChanged(Editable s) {                System.out.println("afterTextChanged--"+s);            }        });        //监听回车键        editText_name.setOnEditorActionListener(new TextView.OnEditorActionListener(){            @Override            public boolean onEditorAction(TextView v, int actionId, KeyEvent event){                Toast.makeText(MainActivity.this,v.getText().toString(),Toast.LENGTH_LONG).show();                return true;            }        });    }}

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