一、Activity的启动方式
1.显示启动
Intent intent=new Intent(MainActivity.this,SettingActivity.class);
//还可以这样写
Intent intent=new Intent();
intent.setClass(MainActivity.this,SettingActivity.class);
intent.putExtra(EXTRA,contentEditText.getText().toString());
startActivity(intent);
Manifest文件描述为:
<activity android:name=".SettingActivity"
android:label="@string/app_name">
</activity>
2.隐示启动
<activity android:name=".SecondActivity" >
<intent-filter>
<action android:name = "android.intent.action.SEND" />
</intent-filter>
</activity>
Intent Intent intent = new Intent();
//设置Intent的Action属性 intent.setAction("android.intent.action.SEND");
// 启动Activity startActivity(intent);