aedittext.getText().toString()

獲取輸入的字串。

示範

整個activity_mani.xmln內容如下：

<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:paddingLeft="0dp"
    android:paddingRight="0dp"
    android:paddingTop="0dp"
    android:paddingBottom="0dp"
    tools:context=".MainActivity"
    android:orientation="vertical"
    android:background="#1E90FF">
    <EditText
        android:id="@+id/input"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        />
    <Button
        android:id="@+id/enter"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="輸入"/>
</LinearLayout>
 

整個ManiActivity.java內容如下：

package netpythontojavaviewmodecontents.csdn.httpblog.timerun;

import android.app.Activity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener{
    private EditText input;
    private Button enter;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        initView();
        enter.setOnClickListener(this);
    }
    private void initView()
    {
        input=(EditText) findViewById(R.id.input);
        enter=(Button) findViewById(R.id.enter);
    }
    public void onClick(View v){
        switch (v.getId()){
            case R.id.enter:
                Toast.makeText(this, input.getText().toString(), Toast.LENGTH_LONG).show();
                break;
            default:
                break;

        }
    }
    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.menu_main, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        if (id == R.id.action_settings)
        {
            return true;
        }

        return super.onOptionsItemSelected(item);
    }
}