[学习交流] 【Android】登陆界面，头像选择，activity之间的值传递！

布局代码如下：

activity_main ：

[html] view plain copy

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/center"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="horizontal" >
<LinearLayout android:id="@+id/lin2"
android:layout_height="match_parent"
android:layout_width="wrap_content"
android:layout_weight="1"
android:orientation="vertical">
<ImageView
android:layout_marginTop="90dp"
android:layout_marginLeft="20dp"
android:id="@+id/img"
android:layout_width="100dp"
android:layout_height="100dp"
android:background="@drawable/ic_launcher"/>
<Button android:id="@+id/btn"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:text="选择头像"
android:layout_marginLeft="20dp"/>
</LinearLayout>
<LinearLayout android:id="@+id/lin1"
android:layout_height="match_parent"
android:layout_width="wrap_content"
android:layout_weight="2"
android:orientation="vertical">
<TextView
android:id="@+id/tv1"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="用户名：" />
<EditText
android:id="@+id/ed1"
android:layout_width="match_parent"
android:layout_height="30dp" />
<TextView
android:id="@+id/tv2"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="密码：" />
<EditText
android:id="@+id/ed2"
android:layout_width="match_parent"
android:layout_height="30dp"
android:inputType="textPassword" />
<TextView
android:id="@+id/tv3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="再次输入密码：" />
<EditText
android:id="@+id/ed3"
android:layout_width="match_parent"
android:layout_height="30dp"
android:inputType="textPassword" />
<TextView
android:id="@+id/tv4"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="邮箱：" />
<EditText
android:id="@+id/ed4"
android:layout_width="match_parent"
android:layout_height="30dp" />
<Button
android:id="@+id/bt1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="提交" />
</LinearLayout>
</LinearLayout>

activity_two_main：

[html] view plain copy

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/center"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/tv5"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="用户名" />
<TextView
android:id="@+id/tv6"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="密码" />
<TextView
android:id="@+id/tv7"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="邮箱" />
<Button
android:id="@+id/bt2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="返回上一步" />
</LinearLayout>

activity_three_main：

[html] view plain copy

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/container"
android:layout_width="match_parent"
android:layout_height="match_parent" >
<GridView
android:id="@+id/grd"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="10px"
android:horizontalSpacing="3px"
android:numColumns="4"
android:verticalSpacing="3px" >
</GridView>
</LinearLayout>

功能代码如下：
MainActivity 文件代码:

[java] view plain copy

package com.example.touxiang;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
public class MainActivity extends Activity {
private EditText ed1, ed2, ed3, ed4;
private Button bt1,btn;
private final int CODE = 0x717;
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ed1 = (EditText) findViewById(R.id.ed1);
ed2 = (EditText) findViewById(R.id.ed2);
ed3 = (EditText) findViewById(R.id.ed3);
ed4 = (EditText) findViewById(R.id.ed4);
bt1 = (Button) findViewById(R.id.bt1);
btn=(Button) findViewById(R.id.btn);
bt1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Intent it = new Intent();
it.setClass(MainActivity.this, TwoMainActivity.class);// 意图！跳转！
Bundle bl = new Bundle();
bl.putString("z", ed1.getText().toString());
bl.putString("x", ed2.getText().toString());
bl.putString("y", ed4.getText().toString());
it.putExtras(bl);
startActivityForResult(it, CODE);
}
});
btn.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
Intent intent=new Intent(MainActivity.this,ThreeMainActivity.class);
startActivityForResult(intent, 0x11);
}
});
}
protected void onActivityResult(int requestCode,int resultCode,Intent data){
super.onActivityResult(requestCode, resultCode, data);
if (requestCode==CODE && resultCode==CODE) {
((EditText)findViewById(R.id.ed2)).setText("");
((EditText)findViewById(R.id.ed3)).setText("");
}
if (requestCode==0x11 && resultCode==0x11) {
Bundle bundle=data.getExtras();
int imageId=bundle.getInt("imageId");
ImageView iv=(ImageView) findViewById(R.id.img);
iv.setImageResource(imageId);
}
}
}

TwoMainActivity 文件代码：

[java] view plain copy

package com.example.touxiang;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
public class TwoMainActivity extends Activity {
protected static final Intent[] MainActivity = null;
private Button bt2;
private TextView tv5, tv6, tv7;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_two_main);
bt2 = (Button) findViewById(R.id.bt2);
tv5 = (TextView) findViewById(R.id.tv5);
tv6 = (TextView) findViewById(R.id.tv6);
tv7 = (TextView) findViewById(R.id.tv7);
Intent it = this.getIntent();
Bundle bl1 = it.getExtras();
String s1 = bl1.getString("z");
String s2 = bl1.getString("x");
String s3 = bl1.getString("y");
tv5.setText(s1);
tv6.setText(s2);
tv7.setText(s3);
bt2.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
setResult(0x717);
finish();
}
});
}
}

ThreeMainActivity文件代码：

[java] view plain copy

package com.example.touxiang;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
public class ThreeMainActivity extends Activity {
public int[] imageId = new int[] { R.drawable.wardskin_15,
R.drawable.wardskin_16, R.drawable.wardskin_17,
R.drawable.wardskin_18, R.drawable.wardskin_19,
R.drawable.wardskin_20, R.drawable.wardskin_21,
R.drawable.wardskin_22, R.drawable.wardskin_27 };
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_three_main);
GridView grd = (GridView) findViewById(R.id.grd);
BaseAdapter adapter = new BaseAdapter() {
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
ImageView imageView;
if (convertView == null) {
imageView = new ImageView(ThreeMainActivity.this);
imageView.setAdjustViewBounds(true);
imageView.setMaxWidth(158);
imageView.setMaxHeight(150);
imageView.setPadding(5, 5, 5, 5);
} else {
imageView = (ImageView) convertView;
}
imageView.setImageResource(imageId[position]);
return imageView;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return position;
}
@Override
public int getCount() {
// TODO Auto-generated method stub
return imageId.length;
}
};
grd.setAdapter(adapter);
grd.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// TODO Auto-generated method stub
Intent intent = getIntent();
Bundle bundle = new Bundle();
bundle.putInt("imageId", imageId[position]);
intent.putExtras(bundle);
setResult(0x11, intent);
finish();
}
});
}
}

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[学习交流] 【Android】登陆界面，头像选择，activity之间的值传递！

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