1.ThreeActivity
package com.example.helloworld1; import androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.appcompat.app.AppCompatActivity; import androidx.core.app.ActivityCompat; import androidx.core.content.ContextCompat; import androidx.core.content.FileProvider; import android.Manifest; import android.annotation.SuppressLint; import android.app.Activity; import android.content.Intent; import android.content.pm.PackageManager; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.provider.MediaStore; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.ImageButton; import android.widget.ImageView; import com.example.helloworld.R; import java.io.File; import java.io.FileNotFoundException; import java.io.IOException; public class ThreeActivity extends AppCompatActivity { private ImageButton bnt_mail; private ImageButton bnt_phone; private ImageButton bnt_carmera; private ImageButton bnt_relation; EditText phonenum1; EditText phonenum2; ImageView image; public static final int TAKE_PHOTO = 2;//声明一个请求码,用于识别返回的结果 private ImageView picture; private Uri imageUri; private final String filePath = Environment.getExternalStorageDirectory() + File.separator + "output_image.jpg"; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_three); bnt_mail = findViewById(R.id.bnt_mail1); bnt_mail.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent=new Intent(); intent.setClass(ThreeActivity.this,MailActivity.class); startActivity(intent); } }); bnt_phone = findViewById(R.id.bnt_phone1); bnt_phone.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent=new Intent(); intent.setClass(ThreeActivity.this,PhoneActivity.class); startActivity(intent); } }); bnt_relation = findViewById(R.id.bnt_relation1); bnt_relation.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent=new Intent(); intent.setClass(ThreeActivity.this,RelationActivity.class); startActivityForResult(intent,0); } }); bnt_relation.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent=new Intent(); intent.setClass(ThreeActivity.this,RelationActivity.class); startActivityForResult(intent,1); } }); phonenum1 = findViewById(R.id.phoneNum); phonenum2 = findViewById(R.id.phoneNum); picture = findViewById(R.id.pictureshow); bnt_carmera = findViewById(R.id.carmera1); image=findViewById(R.id.pictureshow); bnt_carmera.setOnClickListener(new View.OnClickListener() { public void onClick(View view) { Intent it = new Intent(); it.setAction(MediaStore.ACTION_IMAGE_CAPTURE); startActivityForResult(it,4); } }); } @Override protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) { super.onActivityResult(requestCode, resultCode, data); if (data == null) return; Bundle bundle = data.getExtras(); if (requestCode == 0) { String phoneNum = bundle.getString("phonenum"); phonenum1.setText(phoneNum); } else if (requestCode == 1) { String phoneNum = bundle.getString("phonenum"); phonenum2.setText(phoneNum); } else if(requestCode==4) { Bitmap b=(Bitmap) bundle.get("data"); image.setImageBitmap(b); } } }
2,activity_three.xml
<?xml version="1.0" encoding="utf-8"?> <GridLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingLeft="20dp" android:paddingRight="20dp" android:paddingBottom="20dp" android:paddingTop="20dp" android:columnCount="3" android:rowCount="8" android:orientation="horizontal" tools:context="com.example.helloworld1.ThreeActivity"> <ImageButton android:id="@+id/bnt_mail1" android:layout_width="80dp" android:layout_height="80dp" android:layout_row="0" android:layout_rowSpan="1" android:layout_column="0" android:layout_columnSpan="1" android:layout_marginLeft="15dp" android:layout_marginRight="15dp" android:background="@mipmap/mail" android:text="短信" /> <ImageButton android:id="@+id/bnt_phone1" android:layout_width="80dp" android:layout_height="80dp" android:layout_row="0" android:layout_rowSpan="1" android:layout_column="1" android:layout_columnSpan="1" android:layout_marginLeft="15dp" android:layout_marginRight="15dp" android:background="@mipmap/phone" android:text="电话" /> <ImageButton android:layout_row="0" android:id="@+id/carmera1" android:layout_width="80dp" android:layout_height="80dp" android:layout_rowSpan="1" android:layout_columnSpan="1" android:layout_marginLeft="0dp" android:layout_marginRight="15dp" android:background="@mipmap/carmera" android:text="照相" /> <EditText android:id="@+id/phoneNum" android:layout_row="2" android:layout_columnSpan="2" android:layout_column="0" android:layout_width="250dp" android:layout_height="50dp" android:hint="输入电话号码" android:inputType="number" /> <ImageButton android:layout_row="2" android:layout_rowSpan="1" android:layout_columnSpan="1" android:text="联系人" android:layout_width="50dp" android:layout_height="50dp" android:background="@mipmap/realate" android:id="@+id/bnt_relation1"/> <ImageView android:layout_row="2" android:layout_rowSpan="4" android:layout_columnSpan="3" android:id="@+id/pictureshow" android:layout_width="380dp" android:layout_height="380dp" android:layout_gravity="center_horizontal" /> </GridLayout>
1.RelationActivity
package com.example.helloworld1; import androidx.appcompat.app.AppCompatActivity; import android.annotation.SuppressLint; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; import android.widget.ImageButton; import android.widget.TextView; import com.example.helloworld.R; import java.nio.charset.StandardCharsets; public class RelationActivity extends AppCompatActivity { TextView relationphone1; TextView relationphone2; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_relation); relationphone1=findViewById(R.id.relationphone1); relationphone2=findViewById(R.id.relationphone2); relationphone1.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent=new Intent(); String phonenum3=relationphone1.getText().toString(); intent.putExtra("phonenum",phonenum3); setResult(0,intent); finish(); } }); relationphone2.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent=new Intent(); String phonenum3=relationphone2.getText().toString(); intent.putExtra("phonenum",phonenum3); setResult(1,intent); finish(); } }); }}
2.activity_three.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingLeft="20dp" android:paddingRight="20dp" android:paddingBottom="20dp" android:paddingTop="20dp" android:orientation="vertical" tools:context="com.example.helloworld1.RelationActivity"> <TextView android:id="@+id/relationphone1" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="1124422242" /> <TextView android:id="@+id/relationphone2" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="1543666582" /> </LinearLayout>
1.点击简单页面进入
2.点击短信图标跳转
3.点击电话图标跳转
3.点击相机图标跳转拍照后
返回相片
4.点击联系人图标跳转到另一个页面
点击号码返回值