Intent用法

àì夳堔傛蜴生んèń 2021-11-15 11:52 184阅读 0赞

**1、应用场景：调用Android自带浏览器访问**

**代码如下：**

Uri uri = Uri.parse("http://www.cnblogs.com/renqingping");
    
    Intent intent = new Intent(Intent.ACTION_VIEW, uri);
    
    intent.setClassName("com.android.browser", "com.android.browser.BrowserActivity");
    
    startActivity(intent);

**添加权限：**

<uses-permission android:name="android.permission.INTERNET"></uses-permission>

**2****、应用场景：打电话**

**代码如下：（先进入拨号界面）**

Uri uri = Uri.parse("tel:"+ "12345678900");
    Intent intent = new Intent(Intent.ACTION_DIAL, uri); 
    startActivity(intent);

**代码如下：（直接拨打电话）**

Uri uri = Uri.parse("tel:" + "12345678900");
    Intent intent = new Intent(Intent.ACTION_CALL, uri);
    startActivity(intent);

**代码如下****：（先进入通话记录界面）**

Intent intent=new Intent();
    intent.setAction(Intent.ACTION_CALL_BUTTON);
    startActivity(intent);

或者

Intent intent = new Intent();
    intent.setAction("android.intent.action.CALL_BUTTON");
    startActivity(intent);

**代码如下****：（先进入联系人界面）**

Intent intent = new Intent();
    intent.setAction(Intent.ACTION_VIEW);
    intent.setData(Contacts.CONTENT_URI);
    startActivity(intent);

**添加权限：**

<uses-permission android:name="android.permission.CALL_PHONE"></uses-permission>

**3****、应用场景：发短信**

**代码如下****：（先进入系统编辑短信界面）**

Uri uri = Uri.parse("smsto:" + "12345678900");
    Intent intent = new Intent(Intent.ACTION_SENDTO, uri);
    intent.putExtra("sms_body", "sms content");
    startActivity(intent);

**代码如下****：（不调用系统编辑短信界面，直接发送。）**

public void sendSms(final String phoneNumber, final String content)
    {
    　　new Thread(new Runnable()
       {
    　　　　public void run()
           {
    　　　　　　try
               {
                   SmsManager smsManager = SmsManager.getDefault();
                   List<String> texts = smsManager.divideMessage(content);
                   for (String text : texts)
                   {
                       smsManager.sendTextMessage(phoneNumber, null, text, null, null);
                    }
                }
                catch (Exception e)
                {
                    e.printStackTrace();
                }
            }
        }).start();
    }

**添加权限：**

<uses-permission android:name="android.permission.SEND_SMS"></uses-permission>

**4****、应用场景：调用****google****搜索相应内容**

**代码如下：**

Intent intent = new Intent();
    intent.setAction(Intent.ACTION_WEB_SEARCH);
    intent.putExtra(SearchManager.QUERY, "search keywords");
    startActivity(intent);

**5****、应用场景：卸载****apk**

**代码如下：**

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

**6****、应用场景：安装****apk**

**代码如下：**

Uri uri = Uri.fromParts("package", "com.android.test", null);
    Intent intent = new Intent(Intent.ACTION_PACKAGE_ADDED, uri);   
    startActivity(intent);

转载于:https://www.cnblogs.com/renqingping/archive/2012/09/17/Intent.html