1.无参数Activity跳转

Java代码

1. Intentit=newIntent(Activity.Main.this,Activity2.class);
2. startActivity(it);

Intent it = new Intent(Activity.Main.this, Activity2.class);startActivity(it); 

2.向下一个Activity传递数据（使用Bundle和Intent.putExtras）

Java代码

1. Intentit=newIntent(Activity.Main.this,Activity2.class);
2. Bundlebundle=newBundle();
3. bundle.putString("name","ThisisfromMainActivity!");
4. it.putExtras(bundle);//it.putExtra(“test”,"shuju”);
5. startActivity(it);//startActivityForResult(it,REQUEST_CODE);

Intent it = new Intent(Activity.Main.this, Activity2.class);Bundle bundle=new Bundle();bundle.putString("name", "This is from MainActivity!");it.putExtras(bundle);       // it.putExtra(“test”, "shuju”);startActivity(it);            // startActivityForResult(it,REQUEST_CODE);

对于数据的获取可以采用：

Java代码

1. Bundlebundle=getIntent().getExtras();
2. Stringname=bundle.getString("name");

Bundle bundle=getIntent().getExtras();String name=bundle.getString("name");

3.向上一个Activity返回结果（使用setResult，针对startActivityForResult(it,REQUEST_CODE)启动的Activity）
Java代码

1. Intentintent=getIntent();
2. Bundlebundle2=newBundle();
3. bundle2.putString("name","ThisisfromShowMsg!");
4. intent.putExtras(bundle2);
5. setResult(RESULT_OK,intent);

Intent intent=getIntent();        Bundle bundle2=new Bundle();        bundle2.putString("name", "This is from ShowMsg!");        intent.putExtras(bundle2);        setResult(RESULT_OK, intent);

4.回调上一个Activity的结果处理函数（onActivityResult）
Java代码

1. @Override
2. protectedvoidonActivityResult(intrequestCode,intresultCode,Intentdata){
3. //TODOAuto-generatedmethodstub
4. super.onActivityResult(requestCode,resultCode,data);
5. if(requestCode==REQUEST_CODE){
6. if(resultCode==RESULT_CANCELED)
7. setTitle("cancle");
8. elseif(resultCode==RESULT_OK){
9. Stringtemp=null;
10. Bundlebundle=data.getExtras();
11. if(bundle!=null)temp=bundle.getString("name");
12. setTitle(temp);
13. }
14. }
15. }

@Override    protected void onActivityResult(int requestCode, int resultCode, Intent data) {        // TODO Auto-generated method stub        super.onActivityResult(requestCode, resultCode, data);        if (requestCode==REQUEST_CODE){            if(resultCode==RESULT_CANCELED)                  setTitle("cancle");            else if (resultCode==RESULT_OK) {                 String temp=null;                 Bundle bundle=data.getExtras();                 if(bundle!=null)   temp=bundle.getString("name");                 setTitle(temp);            }        }    }

下面是转载来的其他的一些Intent用法实例（转自javaeye）

显示网页
Java代码

1. 1.Uriuri=Uri.parse("http://google.com");
2. 2.Intentit=newIntent(Intent.ACTION_VIEW,uri);
3. 3.startActivity(it);

1. Uri uri = Uri.parse("http://google.com");     2. Intent it = new Intent(Intent.ACTION_VIEW, uri);     3. startActivity(it); 

显示地图
Java代码

1. 1.Uriuri=Uri.parse("geo:38.899533,-77.036476");
2. 2.Intentit=newIntent(Intent.ACTION_VIEW,uri);
3. 3.startActivity(it);
4. 4.//其他geoURI範例
5. 5.//geo:latitude,longitude
6. 6.//geo:latitude,longitude?z=zoom
7. 7.//geo:0,0?q=my+street+address
8. 8.//geo:0,0?q=business+near+city
9. 9.//google.streetview:cbll=lat,lng&cbp=1,yaw,,pitch,zoom&mz=mapZoom

1. Uri uri = Uri.parse("geo:38.899533,-77.036476");     2. Intent it = new Intent(Intent.ACTION_VIEW, uri);      3. startActivity(it);      4. //其他 geo URI 範例     5. //geo:latitude,longitude     6. //geo:latitude,longitude?z=zoom     7. //geo:0,0?q=my+street+address     8. //geo:0,0?q=business+near+city     9. //google.streetview:cbll=lat,lng&cbp=1,yaw,,pitch,zoom&mz=mapZoom 

路径规划
Java代码

1. 1.Uriuri=Uri.parse("http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en");
2. 2.Intentit=newIntent(Intent.ACTION_VIEW,uri);
3. 3.startActivity(it);
4. 4.//wherestartLat,startLng,endLat,endLngarealongwith6decimalslike:50.123456

1. Uri uri = Uri.parse("http://maps.google.com/maps?f=d&saddr=startLat%20startLng&daddr=endLat%20endLng&hl=en");     2. Intent it = new Intent(Intent.ACTION_VIEW, uri);     3. startActivity(it);     4. //where startLat, startLng, endLat, endLng are a long with 6 decimals like: 50.123456  

打电话
Java代码

1. 1.//叫出拨号程序
2. 2.Uriuri=Uri.parse("tel:0800000123");
3. 3.Intentit=newIntent(Intent.ACTION_DIAL,uri);
4. 4.startActivity(it);
5. 1.//直接打电话出去
6. 2.Uriuri=Uri.parse("tel:0800000123");
7. 3.Intentit=newIntent(Intent.ACTION_CALL,uri);
8. 4.startActivity(it);
9. 5.//用這個，要在AndroidManifest.xml中，加上
10. 6.//<uses-permissionid="android.permission.CALL_PHONE"/>

1. //叫出拨号程序    2. Uri uri = Uri.parse("tel:0800000123");     3. Intent it = new Intent(Intent.ACTION_DIAL, uri);     4. startActivity(it);     1. //直接打电话出去     2. Uri uri = Uri.parse("tel:0800000123");     3. Intent it = new Intent(Intent.ACTION_CALL, uri);     4. startActivity(it);     5. //用這個，要在 AndroidManifest.xml 中，加上     6. //<uses-permission id="android.permission.CALL_PHONE" />  

传送SMS/MMS
Java代码

1. 1.//调用短信程序
2. 2.Intentit=newIntent(Intent.ACTION_VIEW,uri);
3. 3.it.putExtra("sms_body","TheSMStext");
4. 4.it.setType("vnd.android-dir/mms-sms");
5. 5.startActivity(it);
6. 1.//传送消息
7. 2.Uriuri=Uri.parse("smsto://0800000123");
8. 3.Intentit=newIntent(Intent.ACTION_SENDTO,uri);
9. 4.it.putExtra("sms_body","TheSMStext");
10. 5.startActivity(it);
11. 1.//传送MMS
12. 2.Uriuri=Uri.parse("content://media/external/images/media/23");
13. 3.Intentit=newIntent(Intent.ACTION_SEND);
14. 4.it.putExtra("sms_body","sometext");
15. 5.it.putExtra(Intent.EXTRA_STREAM,uri);
16. 6.it.setType("image/png");
17. 7.startActivity(it);

1. //调用短信程序    2. Intent it = new Intent(Intent.ACTION_VIEW, uri);     3. it.putExtra("sms_body", "The SMS text");      4. it.setType("vnd.android-dir/mms-sms");     5. startActivity(it);    1. //传送消息    2. Uri uri = Uri.parse("smsto://0800000123");     3. Intent it = new Intent(Intent.ACTION_SENDTO, uri);     4. it.putExtra("sms_body", "The SMS text");     5. startActivity(it);    1. //传送 MMS     2. Uri uri = Uri.parse("content://media/external/images/media/23");     3. Intent it = new Intent(Intent.ACTION_SEND);      4. it.putExtra("sms_body", "some text");      5. it.putExtra(Intent.EXTRA_STREAM, uri);     6. it.setType("image/png");      7. startActivity(it);  

传送 Email
Java代码

1. 1.Uriuri=Uri.parse("mailto:xxx@abc.com");
2. 2.Intentit=newIntent(Intent.ACTION_SENDTO,uri);
3. 3.startActivity(it);
6. 1.Intentit=newIntent(Intent.ACTION_SEND);
7. 2.it.putExtra(Intent.EXTRA_EMAIL,"me@abc.com");
8. 3.it.putExtra(Intent.EXTRA_TEXT,"Theemailbodytext");
9. 4.it.setType("text/plain");
10. 5.startActivity(Intent.createChooser(it,"ChooseEmailClient"));
13. 1.Intentit=newIntent(Intent.ACTION_SEND);
14. 2.String[]tos={"me@abc.com"};
15. 3.String[]ccs={"you@abc.com"};
16. 4.it.putExtra(Intent.EXTRA_EMAIL,tos);
17. 5.it.putExtra(Intent.EXTRA_CC,ccs);
18. 6.it.putExtra(Intent.EXTRA_TEXT,"Theemailbodytext");
19. 7.it.putExtra(Intent.EXTRA_SUBJECT,"Theemailsubjecttext");
20. 8.it.setType("message/rfc822");
21. 9.startActivity(Intent.createChooser(it,"ChooseEmailClient"));

 1. Uri uri = Uri.parse("mailto:xxx@abc.com");     2. Intent it = new Intent(Intent.ACTION_SENDTO, uri);     3. startActivity(it);     1. Intent it = new Intent(Intent.ACTION_SEND);     2. it.putExtra(Intent.EXTRA_EMAIL, "me@abc.com");     3. it.putExtra(Intent.EXTRA_TEXT, "The email body text");     4. it.setType("text/plain");     5. startActivity(Intent.createChooser(it, "Choose Email Client"));     1. Intent it=new Intent(Intent.ACTION_SEND);       2. String[] tos={"me@abc.com"};       3. String[] ccs={"you@abc.com"};       4. it.putExtra(Intent.EXTRA_EMAIL, tos);       5. it.putExtra(Intent.EXTRA_CC, ccs);       6. it.putExtra(Intent.EXTRA_TEXT, "The email body text");       7. it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");       8. it.setType("message/rfc822");       9. startActivity(Intent.createChooser(it, "Choose Email Client"));

传送附件
Java代码

1. Intentit=newIntent(Intent.ACTION_SEND);
2. it.putExtra(Intent.EXTRA_SUBJECT,"Theemailsubjecttext");
3. it.putExtra(Intent.EXTRA_STREAM,"file:///sdcard/mysong.mp3");
4. sendIntent.setType("audio/mp3");
5. startActivity(Intent.createChooser(it,"ChooseEmailClient"));

Intent it = new Intent(Intent.ACTION_SEND);     it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");     it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/mysong.mp3");     sendIntent.setType("audio/mp3");     startActivity(Intent.createChooser(it, "Choose Email Client")); 

播放多媒体
Java代码

1. Uriuri=Uri.parse("file:///sdcard/song.mp3");
2. Intentit=newIntent(Intent.ACTION_VIEW,uri);
3. it.setType("audio/mp3");
4. startActivity(it);
5. Uriuri=Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI,"1");
6. Intentit=newIntent(Intent.ACTION_VIEW,uri);
7. startActivity(it);

 Uri uri = Uri.parse("file:///sdcard/song.mp3");         Intent it = new Intent(Intent.ACTION_VIEW, uri);         it.setType("audio/mp3");         startActivity(it);        Uri uri = Uri.withAppendedPath(MediaStore.Audio.Media.INTERNAL_CONTENT_URI, "1");         Intent it = new Intent(Intent.ACTION_VIEW, uri);         startActivity(it); 

Market 相关
//寻找某个应用
Java代码

1. Uriuri=Uri.parse("market://search?q=pname:pkg_name");
2. Intentit=newIntent(Intent.ACTION_VIEW,uri);
3. startActivity(it);

Uri uri = Uri.parse("market://search?q=pname:pkg_name");      Intent it = new Intent(Intent.ACTION_VIEW, uri);       startActivity(it);  

//where pkg_name is the full package path for an application
Java代码

1. 显示某个应用的相关信息
2. Uriuri=Uri.parse("market://details?id=app_id");
3. Intentit=newIntent(Intent.ACTION_VIEW,uri);
4. startActivity(it);
5. //whereapp_idistheapplicationID,findtheID
6. //byclickingonyourapplicationonMarkethome
7. //page,andnoticetheIDfromtheaddressbar

 显示某个应用的相关信息         Uri uri = Uri.parse("market://details?id=app_id");         Intent it = new Intent(Intent.ACTION_VIEW, uri);         startActivity(it);          //where app_id is the application ID, find the ID           //by clicking on your application on Market home           //page, and notice the ID from the address bar 

发起一个应用程序
ComponentName 两个参数一个是包名 一个是包下的主类
Java代码

1. finalIntentintent=newIntent(Intent.ACTION_MAIN,null);
2. intent.addCategory(Intent.CATEGORY_LAUNCHER);
3. finalComponentNamecn=newComponentName("com.android.settings","com.android.settings.fuelgauge.PowerUsageSummary");
4. intent.setComponent(cn);
5. intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
6. startActivity(intent);

final Intent intent = new Intent(Intent.ACTION_MAIN, null);intent.addCategory(Intent.CATEGORY_LAUNCHER);final ComponentName cn = new ComponentName("com.android.settings","com.android.settings.fuelgauge.PowerUsageSummary");intent.setComponent(cn);intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);startActivity( intent);

Uninstall 应用程序
Java代码

1. Uriuri=Uri.fromParts("package",strPackageName,null);
2. Intentit=newIntent(Intent.ACTION_DELETE,uri);
3. startActivity(it);

Uri uri = Uri.fromParts("package", strPackageName, null);        Intent it = new Intent(Intent.ACTION_DELETE, uri);           startActivity(it);  

返回桌面
Java代码

1. IntentunMyIntent=newIntent(Intent.ACTION_MAIN);
2. unMyIntent.addCategory(Intent.CATEGORY_HOME);
3. startActivity(unMyIntent);

Intent unMyIntent = new Intent(Intent.ACTION_MAIN);    unMyIntent.addCategory(Intent.CATEGORY_HOME);    startActivity(unMyIntent);

发邮件
Java代码

1. Uriuri=Uri.parse("mailto:fengsheng.studio@hotmail.com");
2. Intentit=newIntent(Intent.ACTION_SENDTO,uri);

Uri uri = Uri.parse("mailto:fengsheng.studio@hotmail.com");  Intent it = new Intent(Intent.ACTION_SENDTO, uri);

发送文件
Java代码

1. Intentintent=newIntent();
2. intent.setAction(Intent.ACTION_SEND);
3. intent.setType(mimeType);
4. intent.putExtra(Intent.EXTRA_STREAM,uri);
5. startActivity(intent);
7. 以上有两个变量需要说明:
8. 1.mimeType:如果是图片,则为"image/*",如果是音频,则为"audio/*",如果是视频,则为"video/*"
9. 2.uri:如果是直接读取到文件路径并发送,则为Uri.fromFile(newFile(filePath));
10. 如果是从数据库中查循出来的uri,则直接传入即可.

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