Android——不同activity之间数据传递

/*

 * 不同activity之间数据的传递

 */

public class MainActivity extends Activity {

    private EditText et_name;

   

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

       

        et_name = (EditText) findViewById(R.id.et_name);

    }

   

    public void click(View view)

    {

        String name = et_name.getText().toString().trim();//拿到用户名

        if(TextUtils.isEmpty(name))

        {

           Toast.makeText(this, "姓名不能为空", 1).show();

              return;

        }

       

        Intent intent = new Intent(this, ResultActivity.class);//创建一个     意图

       

        intent.putExtra("name", name);

       

        startActivity(intent);//激活组件           

    }

}

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public class ResultActivity extends Activity

{

    @Override

    protected void onCreate(Bundle savedInstanceState)

    {

       super.onCreate(savedInstanceState);

      

       setContentView(R.layout.activity_result);//要显示的组件

       Intent intent = getIntent();

       String name = intent.getStringExtra("name");

      

       Random random = new Random();

       int values = random.nextInt(101);

      

       TextView result = (TextView) findViewById(R.id.tv_result);

       result.setText(name + "您的人品值为： "+ values);      

      

       ProgressBar pb = (ProgressBar) findViewById(R.id.progressBar1);

       pb.setProgress(values);

    }

}