隐式意图：相机+摄像+浏览器+打电话+截屏

2019-08-13 21:06:02 阅读：222 来源： 互联网

标签：浏览器 void public 截屏 intent requestCode Intent onCreate 隐式

实现功能：相机+摄像+浏览器+打电话+截屏

点击按钮跳转浏览器加载百度

public class MainActivity extends AppCompatActivity {

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

    //布局中添加点击事件
    public void openChrome(View view) {
        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_VIEW);
        Uri uri = Uri.parse("https://www.baidu.com");
        intent.setData(uri);
        startActivity(intent);
    }
}

点击按钮打电话

public class MainActivity extends AppCompatActivity {

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

	/点击按钮拨打电话
    public void callPhone(View view) {
        if (Build.VERSION.SDK_INT>Build.VERSION_CODES.M) {
            requestPermissions(new String[]{Manifest.permission.CALL_PHONE},100);
        }else {
            phone();
        }
    }
    
    private void phone() {
        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_CALL);
        intent.setData(Uri.parse("tel:"+"10086"));
        startActivity(intent);
    }
    
    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (requestCode==100&&grantResults[0]== PackageManager.PERMISSION_GRANTED) {
            phone();
        }
    }
}

截图并保存SD卡显示到控件

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:orientation="vertical"
    tools:context=".MainActivity">
    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="截图"
        android:onClick="reatemImage"/>
    <ImageView
        android:id="@+id/image_id"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
</LinearLayout>

activity

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        imageId = (ImageView) findViewById(R.id.image_id);
    }

    public void reatemImage(View view) {
        View decorView = getWindow().getDecorView();
        decorView.setDrawingCacheEnabled(true);
        Bitmap bitmap = decorView.getDrawingCache();
        imageId.setImageBitmap(bitmap);
        try {
            bitmap.compress(Bitmap.CompressFormat.PNG,100,new FileOutputStream("/mnt/sdcard/day10.png"));
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
    }
}

相机

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:orientation="vertical"
    tools:context=".MainActivity">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="拍照"
        android:onClick="takePhoto"/>
    <ImageView
        android:id="@+id/imageid"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />

</LinearLayout>

<paths xmlns:android="http://schemas.android.com/apk/res/android">
<external-path
    name="enternal_storage_root"
    path="."></external-path>
</paths>

Activity

public class MainActivity extends AppCompatActivity {

    private ImageView imageid;
    private Uri uri;

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

        imageid = (ImageView) findViewById(R.id.imageid);

    }

    public void takePhoto(View view) {
        if (Build.VERSION.SDK_INT>Build.VERSION_CODES.M) {
            requestPermissions(new String[]{Manifest.permission.CAMERA},100);
        }else {
            camera();
        }
    }

    private void camera() {
        Intent intent = new Intent();
        intent.setAction(MediaStore.ACTION_IMAGE_CAPTURE);
        File file = new File( "/mnt/sdcard/ceshi.png");
        Uri uri = FileProvider.getUriForFile(this, "com.example.day10homework.fileProvider", file);
        intent.putExtra(MediaStore.EXTRA_OUTPUT,uri);
        startActivityForResult(intent,100);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode==100&&resultCode==RESULT_OK) {
            imageid.setImageURI(uri);
        }
    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        if (requestCode==100&&grantResults[0]== PackageManager.PERMISSION_GRANTED) {
            camera();
        }
    }
}

摄像

在这里插入图片描述
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:orientation="vertical"
    tools:context=".MainActivity">

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="摄像"
        android:onClick="createVideo"/>
    <VideoView
        android:id="@+id/video"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="1"/>

</LinearLayout>

Activity

public class MainActivity extends AppCompatActivity {

    private VideoView video;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        
        video = (VideoView) findViewById(R.id.video);

    }
    public void createVideo(View view) {
        Intent intent = new Intent();
        intent.setAction(MediaStore.ACTION_VIDEO_CAPTURE);
        startActivityForResult(intent,101);
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        if (requestCode==101&&resultCode==RESULT_OK){
            Uri uri = data.getData();
            video.setVideoURI(uri);
            video.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
                @Override
                public void onPrepared(MediaPlayer mp) {
                    video.start();
                }
            });
        }
    }
}

清单文件中

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.day10_util">

    <uses-permission android:name="android.permission.INTERNET"/>
    <uses-permission android:name="android.permission.CALL_PHONE"/>
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.CAMERA"/>
    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
        <provider
            android:authorities="com.example.day10_util.fileProvider"
            android:name="android.support.v4.content.FileProvider"
            android:grantUriPermissions="true"
            android:exported="false">
            <meta-data
                android:name="android.support.FILE_PROVIDER_PATHS"
                android:resource="@xml/file_paths"/>
        </provider>
    </application>

</manifest>

标签：浏览器,void,public,截屏,intent,requestCode,Intent,onCreate,隐式
来源： https://blog.csdn.net/liuguitong_BK/article/details/99471831

本站声明： 1. iCode9 技术分享网（下文简称本站）提供的所有内容，仅供技术学习、探讨和分享；
2. 关于本站的所有留言、评论、转载及引用，纯属内容发起人的个人观点，与本站观点和立场无关；
3. 关于本站的所有言论和文字，纯属内容发起人的个人观点，与本站观点和立场无关；
4. 本站文章均是网友提供，不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属；如您发现该文章侵犯了您的权益，可联系我们第一时间进行删除；
5. 本站为非盈利性的个人网站，所有内容不会用来进行牟利，也不会利用任何形式的广告来间接获益，纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。

ICode9

隐式意图：相机+摄像+浏览器+打电话+截屏

实现功能：相机+摄像+浏览器+打电话+截屏

点击按钮跳转浏览器加载百度

点击按钮打电话

截图并保存SD卡显示到控件

相机

摄像