Android之 跳转

Android之 跳转
package com.example.tiantianrun;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class Secend extends Activity implements OnClickListener {
TextView textView;
EditText edit;
String message=null;

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.secend);

Intent intent=getIntent();
String message = intent.getStringExtra("你真叼！");

textView = (TextView) findViewById(R.id.text);
textView.setOnClickListener(this);
}
@Override
public void onClick(View v) {
edit = (EditText) findViewById(R.id.edit_message);
String str = edit.getText().toString();
if (TextUtils.isEmpty(str)) {
str = "你真的很有想法！";
}
Toast.makeText(Secend.this, str, 0).show();
textView.setText(message);
// Intent intent=new Intent(Secend.this,MainActivity.class);
// startActivity(intent);
}
}
package com.example.tiantianrun;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class Acvitity extends Activity {
TextView text;
String TAG="Acvitity";
EditText editText;

//创建
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.acvitity);
text=(TextView) findViewById(R.id.text);
editText = (EditText) findViewById(R.id.edit_message);
text.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
String message = editText.getText().toString();
if (TextUtils.isEmpty(message)) {
message = "请输入一个账号：";
}
Toast.makeText(Acvitity.this, message, 0).show();
Intent intent=new Intent(Acvitity.this,Secend.class);
intent.putExtra("你真叼！", message);
startActivity(intent);
}
});
Log.d(TAG,"----onCreate--");
}
//重启
@Override
protected void onRestart() {
// TODO Auto-generated method stub
super.onRestart();
Log.d(TAG,"----onRestart--");
}
//开始
@Override
protected void onStart() {
// TODO Auto-generated method stub
super.onStart();
Log.d(TAG,"----onStart--");
}
//恢复
@Override
protected void onResume() {
// TODO Auto-generated method stub
super.onResume();
Log.d(TAG,"----onResume--");
}
//暂停
@Override
protected void onPause() {
// TODO Auto-generated method stub
super.onPause();
Log.d(TAG,"----onPause--");
}
//停止
@Override
protected void onStop() {
// TODO Auto-generated method stub
super.onStop();
Log.d(TAG,"----onStop--");
}
//销毁
@Override
protected void onDestroy() {
// TODO Auto-generated method stub
super.onDestroy();
Log.d(TAG,"----onDestroy--");
}
}