Android学习——Intent的使用

intent的简单用法 Intent 一些简单用法
传值：Intent intent=new Intent();
intent.putExtra("extra", "这是页面一传来的值！");
intent.setClass(Test_for_intentActivity.this, actpage2.class);
startActivity(intent);取值：Intent intent=getIntent();
String StringE=intent.getStringExtra("extra");
TextView text2=(TextView)findViewById(R.id.textView2);
text2.setText(StringE); 打开网页Uri uri = Uri.parse("http://www.google.com");

Intent it

= new Intent(Intent.ACTION_VIEW,uri);

startActivity(it);

拨打电话
Uri uri =Uri.parse("tel:xxxxxx");
Intent it = new Intent(Intent.ACTION_DIAL,uri);
startActivity(it);

6.调用发短信的程序
Intent it = newIntent(Intent.ACTION_VIEW);
it.putExtra("sms_body", "TheSMS text");
it.setType("vnd.android-dir/mms-sms");
startActivity(it);

//发送附件

Intent it = new Intent(Intent.ACTION_SEND);

it.putExtra(Intent.EXTRA_SUBJECT, "The email subject text");

it.putExtra(Intent.EXTRA_STREAM, "file:///sdcard/eoe.mp3");

sendIntent.setType("audio/mp3");

startActivity(Intent.createChooser(it, "Choose Email Client"));