显示跳转
Intent ite = new Intent();
ite.putExtra("acount", et.getText().toString());
ite.setClass(this, MainActivity_two.class);
startActivity(ite);
隐示跳转
Intent ite = new Intent();
ite.putExtra("acount", et.getText().toString());
ite.setAction("com.example.intenta_b.MainActivity_two_twoavc");
ite.addCategory("android.intent.category.DEFAULT");
startActivity(ite);
// 这里的参数值activity的设置category默认是default是手机平板等
<activity
android:name="com.example.intenta_b.MainActivity_two"
android:label="@string/title_activity_main_activity_two" >
<intent-filter>
<action android:name="com.example.intenta_b.MainActivity_two_twoavc" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</activity>
打电话
Intent call = new Intent();
call.setAction(Intent.ACTION_CALL);
call.setData(Uri.parse("tel://110"));
startActivity(call);
如果传入的参数是对象的话：
public <T extends Parcelable> T getParcelableExtra(String name)
