Android 在下个Android简单程序改进后可以传递数据到另外的组件中
Android 在上个Android简单程序改进后可以传递数据到另外的组件中
上个程序的地址: http://davice-li.iteye.com/admin/blogs/760736
主要修改了Activity02.java 和 OtherActivity.java
1、Activity02.java
package com.test; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; public class Activity02 extends Activity { /** Called when the activity is first created. */ private Button mybutton=null; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); TextView myTextView = (TextView)findViewById(R.id.MyView); //这里需要增加一个MyView myTextView.setText("将实现,把Activity02中的数据,传递到OtherActivity,并展示出来。主要使用了Intent和监听器方法。"); mybutton = (Button)findViewById(R.id.MyButton); mybutton.setText("click Me!"); mybutton.setOnClickListener(new MyButtonListener()); } class MyButtonListener implements OnClickListener{ @Override public void onClick(View arg0) { // TODO Auto-generated method stub Intent intent = new Intent(); intent.putExtra("testIntent", "Activity02传递过来的数据!"); // 传递数据到OtherActivity中的数据 intent.setClass(Activity02.this, OtherActivity.class); Activity02.this.startActivity(intent); } } }
2、OtherActivity.java
package com.test; import android.app.Activity; import android.content.Intent; import android.os.Bundle; import android.widget.TextView; public class OtherActivity extends Activity { @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.other); Intent intent = getIntent(); String value= intent.getStringExtra("testIntent"); //取出Intent传送过来的数据 TextView myTextView = (TextView)findViewById(R.id.MyTextView); myTextView.setText(value); } }
好了。现在就可以去试试了