Android_动态权限管理的解决方案
2016-01-08 12:06
549 查看
本博文为子墨原创,转载请注明出处!http://blog.csdn.net/zimo2013/article/details/50478201
(2).我们指定targetSdkVersion为23或者之后我们还需要在运行时请求这些所需的权限。这很重要,因为已经出现了很多开发者把targetSdkVersion飙到了最新,然后发现自己的app疯狂的崩溃,这是由于他们没有实现执行运行时权限请求的代码。当你已经把一个targeting API 为23或者之后的app发布到了Google Play上,这更是一个问题,你无法立即把那个apk的targeting API替换成更早的版本。
同一组的任何一个权限被授权了,其他权限也自动被授权。例如,一旦WRITE_CONTACTS被授权了,app也有READ_CONTACTS和GET_ACCOUNTS了。
源码中被用来检查和请求权限的方法分别是Activity的checkSelfPermission和requestPermissions,这些方法api23引入。
private Map<Integer, Runnable> allowablePermissionRunnables = new HashMap<>();
private Map<Integer, Runnable> disallowablePermissionRunnables = new HashMap<>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
/**
* 请求权限
* @param id 请求授权的id 唯一标识即可
* @param permission 请求的权限
* @param allowableRunnable 同意授权后的操作
* @param disallowableRunnable 禁止权限后的操作
*/
protected void requestPermission(int id, String permission, Runnable allowableRunnable, Runnable disallowableRunnable) {
if (allowableRunnable == null) {
throw new IllegalArgumentException("allowableRunnable == null");
}
allowablePermissionRunnables.put(id, allowableRunnable);
if (disallowableRunnable != null) {
disallowablePermissionRunnables.put(id, disallowableRunnable);
}
//版本判断 if (Build.VERSION.SDK_INT >= 23) { //减少是否拥有权限 int checkCallPhonePermission = ContextCompat.checkSelfPermission(getApplicationContext(), permission); if (checkCallPhonePermission != PackageManager.PERMISSION_GRANTED) { //弹出对话框接收权限 ActivityCompat.requestPermissions(BaseActivity.this, new String[]{permission}, id); return; } else {
allowableRunnable.run();
}
} else {
allowableRunnable.run();
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Runnable allowRun = allowablePermissionRunnables.get(requestCode);
allowRun.run();
} else {
Runnable disallowRun = disallowablePermissionRunnables.get(requestCode);
disallowRun.run();
}
}
}
源码下载地址>>
1.前言
(1).由于MIUI等部分国产定制系统也有权限管理,没有相关api,故无法判断用户是否允许获取联系人等隐私。在Android 6.0之后,新增权限管理可以通过官方api判断用户的运行状态;(2).我们指定targetSdkVersion为23或者之后我们还需要在运行时请求这些所需的权限。这很重要,因为已经出现了很多开发者把targetSdkVersion飙到了最新,然后发现自己的app疯狂的崩溃,这是由于他们没有实现执行运行时权限请求的代码。当你已经把一个targeting API 为23或者之后的app发布到了Google Play上,这更是一个问题,你无法立即把那个apk的targeting API替换成更早的版本。
2.权限分析
从Android6.0开始,权限分为普通权限和许可权限。许可权限分类归组,一个权限授权之后,该组下的权限均可使用。(1)普通权限
只需要在xml申请即可,使用方法和之前6.0以前的一样。在应用安装应用时,会默认获得许可。(2)许可权限
可执行 $adb shell pm list permissions -d -gPermission Group | Permissions |
---|---|
android.permission-group.CALENDAR | android.permission.READ_CALENDAR android.permission.WRITE_CALENDAR |
android.permission-group.CAMERA | android.permission.CAMERA |
android.permission-group.CONTACTS | android.permission.READ_CONTACTS android.permission.WRITE_CONTACTS android.permission.GET_ACCOUNTS |
android.permission-group.LOCATION | android.permission.ACCESS_FINE_LOCATION android.permission.ACCESS_COARSE_LOCATION |
android.permission-group.MICROPHONE | android.permission.RECORD_AUDIO |
android.permission-group.PHONE | android.permission.READ_PHONE_STATE android.permission.CALL_PHONE android.permission.READ_CALL_LOG android.permission.WRITE_CALL_LOG com.android.voicemail.permission.ADD_VOICEMAIL android.permission.USE_SIP android.permission.PROCESS_OUTGOING_CALLS |
android.permission-group.SENSORS | android.permission.BODY_SENSORS |
android.permission-group.SMS | android.permission.SEND_SMS android.permission.RECEIVE_SMS android.permission.READ_SMS android.permission.RECEIVE_WAP_PUSH android.permission.RECEIVE_MMS android.permission.READ_CELL_BROADCASTS |
android.permission-group.STORAGE | android.permission.READ_EXTERNAL_STORAGE android.permission.WRITE_EXTERNAL_STORAGE |
源码中被用来检查和请求权限的方法分别是Activity的checkSelfPermission和requestPermissions,这些方法api23引入。
3.相关方法
(1).ContextCompat.checkSelfPermission()
检查应用是否拥有该权限,被授权返回值为PERMISSION_GRANTED,否则返回PERMISSION_DENIED(2).ActivityCompat.requestPermissions()
将弹出请求授权对话框,这个方法在M之前版本调用,OnRequestPermissionsResultCallback 直接被调用,带着正确的 PERMISSION_GRANTED或者 PERMISSION_DENIED 。(3).AppCompatActivity.onRequestPermissionsResult()
该方法类似于Activity的OnActivityResult()的回调方法,主要接收请求授权的返回值//版本判断 if (Build.VERSION.SDK_INT >= 23) { //减少是否拥有权限 int checkCallPhonePermission = ContextCompat.checkSelfPermission(getApplicationContext(), permission); if (checkCallPhonePermission != PackageManager.PERMISSION_GRANTED) { //弹出对话框接收权限 ActivityCompat.requestPermissions(BaseActivity.this, new String[]{permission}, id); return; }
@Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); if (grantResults[0] == PackageManager.PERMISSION_GRANTED) { //TODO:已授权 } else { //TODO:用户拒绝 } }
4.封装
public class BaseActivity extends AppCompatActivity {private Map<Integer, Runnable> allowablePermissionRunnables = new HashMap<>();
private Map<Integer, Runnable> disallowablePermissionRunnables = new HashMap<>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
/**
* 请求权限
* @param id 请求授权的id 唯一标识即可
* @param permission 请求的权限
* @param allowableRunnable 同意授权后的操作
* @param disallowableRunnable 禁止权限后的操作
*/
protected void requestPermission(int id, String permission, Runnable allowableRunnable, Runnable disallowableRunnable) {
if (allowableRunnable == null) {
throw new IllegalArgumentException("allowableRunnable == null");
}
allowablePermissionRunnables.put(id, allowableRunnable);
if (disallowableRunnable != null) {
disallowablePermissionRunnables.put(id, disallowableRunnable);
}
//版本判断 if (Build.VERSION.SDK_INT >= 23) { //减少是否拥有权限 int checkCallPhonePermission = ContextCompat.checkSelfPermission(getApplicationContext(), permission); if (checkCallPhonePermission != PackageManager.PERMISSION_GRANTED) { //弹出对话框接收权限 ActivityCompat.requestPermissions(BaseActivity.this, new String[]{permission}, id); return; } else {
allowableRunnable.run();
}
} else {
allowableRunnable.run();
}
}
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
if (grantResults[0] == PackageManager.PERMISSION_GRANTED) {
Runnable allowRun = allowablePermissionRunnables.get(requestCode);
allowRun.run();
} else {
Runnable disallowRun = disallowablePermissionRunnables.get(requestCode);
disallowRun.run();
}
}
}
public class MainActivity extends BaseActivity implements View.OnClickListener{ private Button btCallPhone; private Button btContact; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); btCallPhone = (Button) findViewById(R.id.call_phone); btContact = (Button) findViewById(R.id.contact); btCallPhone.setOnClickListener(this); btContact.setOnClickListener(this); } @Override public void onClick(View v) { if(v == btCallPhone){ //拨打电话 requestPermission(1, Manifest.permission.CALL_PHONE, new Runnable() { @Override public void run() { callPhone(); } }, new Runnable() { @Override public void run() { callPhoneDenied(); } }); }else if(v == btContact){ //读取联系人信息 requestPermission(2, Manifest.permission.WRITE_CONTACTS, new Runnable() { @Override public void run() { readContact(); } }, new Runnable() { @Override public void run() { readContactDenied(); } }); } } private void callPhone() { Toast.makeText(MainActivity.this, "CALL_PHONE OK", Toast.LENGTH_SHORT) .show(); } private void callPhoneDenied() { Toast.makeText(MainActivity.this, "CALL_PHONE Denied", Toast.LENGTH_SHORT) .show(); } private void readContact() { ContentResolver cr = getContentResolver(); String str[] = {ContactsContract.CommonDataKinds.Phone.CONTACT_ID, ContactsContract.CommonDataKinds.Phone.DISPLAY_NAME, ContactsContract.CommonDataKinds.Phone.NUMBER, ContactsContract.CommonDataKinds.Phone.PHOTO_ID}; Cursor cur = cr.query( ContactsContract.CommonDataKinds.Phone.CONTENT_URI, str, null, null, null); int count = cur.getCount(); cur.close(); Toast.makeText(MainActivity.this, String.format("发现%s条", count), Toast.LENGTH_SHORT) .show(); } private void readContactDenied() { Toast.makeText(MainActivity.this, "Contact Denied", Toast.LENGTH_SHORT) .show(); } }
源码下载地址>>
相关文章推荐
- [置顶] Android相关工具分类汇总
- Android之MediaPlayer的框架源码分析
- Android Studio SDK 更新方法
- Android TableLayout(表格布局)
- Android与JS之间的互相调用交互(二)
- Android5.0 设置wifi页面的修改
- android百度地图4.2版本,定位成功后获取位置名称
- Android开发--通过相册或拍照选择头像
- Android与JS之间的互相调用交互(一)
- 各种android开发小问题解决方法链接收集,亲测有效
- [Android开发]Activity的四种启动模式及其应用场景
- Android ADT下载地址(含各版本)
- Android任务管理器
- android wifi自动连接指定wifi
- 在Android中使用OpenGL效果渲染
- Android SDK下载,国内下载,SDK开发包
- Android中的常见时区
- Android 控件显示和隐藏
- android在代码批量获取资源id
- Android LinearLayout 常用属性