public class MainActivity extends Activity {
private static final int OTHER = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public void goOtherActivity(View v) {
// 显示意图的操作
/*
* Intent intent = new Intent(this, OtherActivity.class);
* startActivity(intent);
*/
// 隐士意图的操作
/*
* Intent intent = new Intent(); intent.setAction(Intent.ACTION_CALL);
* intent.setData(Uri.parse("tel:"+1235)); startActivity(intent);
*/
// 自定义的隐士意图操作
/*
* Intent intent = new Intent();
* intent.setAction("www.csdn.net.hbsi");// 自定义的action
* intent.addCategory("android.intent.category.DEFAULT");
*
*
* intent.setDataAndType(Uri.parse("csdn://www.csdn.net/xx"),
* "image/jpeg"); // 执行意图 startActivity(intent);
*/
// 数据传递的实现
/*
* Intent intent = new Intent(MainActivity.this, OtherActivity.class);
*
* intent.putExtra("name", "shasha"); intent.putExtra("pass", "xxxx");
*
* startActivity(intent);
*/
// 返回数据的获取的操作
Intent intent = new Intent(MainActivity.this, OtherActivity.class);
intent.putExtra("name", "shasha");
intent.putExtra("pass", "xxxx");
// 新打开的activity返回的数据
startActivityForResult(intent, OTHER);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
// 请求码
switch (requestCode) {
// other 这个请求 的处理
case OTHER:
// 根据请求返回值得结果码 再进行匹配
switch (resultCode) {
case RESULT_OK:
Toast.makeText(this, "返回的数据" + data.getStringExtra("result"),
Toast.LENGTH_LONG).show();
break;
default:
break;
}
break;
default:
break;
}
}
}
public class OtherActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_other);
// 获取数据
Bundle bundle = this.getIntent().getExtras();
Intent intent = this.getIntent();
// Toast.makeText(this,
// "名称："+bundle.get("name")+" 密码:"+bundle.get("pass"),
// Toast.LENGTH_LONG).show();
Toast.makeText(
this,
"名称：" + intent.getStringExtra("name") + " 密码:"
+ intent.getStringExtra("pass"), Toast.LENGTH_LONG)
.show();
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.main, menu);
return true;
}
public void backActivity(View v) {
// 显示意图的操作
// Intent intent = new Intent();
// intent.setClass(this, MainActivity.class);
/*
* intent.setClassName("com.example.lession12_activity",
* "com.example.lession12_activity.MainActivity");
*/
// intent.setComponent(new
// ComponentName("com.example.lession12_activity",
// "com.example.lession12_activity.MainActivity"));
// startActivity(intent);
Intent intent = new Intent();
intent.putExtra("result", "CSDN");
OtherActivity.this.setResult(RESULT_OK, intent);
OtherActivity.this.finish();// 关闭activity
}
}
AndroidManifest.xml中
<!-- 意图过虑器 -->
<!-- <intent-filter>
<action android:name="www.csdn.net.hbsi"/>
<data
android:host="www.csdn.net"
android:mimeType="image/jpeg"
android:path="/xx"
android:scheme="csdn"/>
<category android:name="android.intent.category.DEFAULT"/>
</intent-filter>
<intent-filter >
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter> -->