package com.hdl.widget.cropimage;
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import android.Manifest;
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import android.annotation.TargetApi;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.content.pm.PackageManager;
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import android.net.Uri;
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import android.os.Build;
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import android.provider.Settings;
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import android.os.Bundle;
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import android.view.KeyEvent;
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import com.hdl.widgetxm.R;
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import java.lang.reflect.Method;
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import java.util.ArrayList;
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import java.util.List;
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public class CheckPermissionsCropImageActivity extends Activity {
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/**
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* 需要进行检测的权限数组
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*/
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protected String[] needPermissions = {
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Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE
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};
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private static final int PERMISSON_REQUESTCODE = 66;
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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if(Build.VERSION.SDK_INT > 28
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&& getApplicationContext().getApplicationInfo().targetSdkVersion > 28) {
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// needPermissions = new String[] {
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// Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE
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// };
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}
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}
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/**
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* 判断是否需要检测，防止不停的弹框
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*/
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private boolean isNeedCheck = true;
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@Override
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protected void onResume() {
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super.onResume();
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if (Build.VERSION.SDK_INT >= 23
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&& getApplicationInfo().targetSdkVersion >= 23) {
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if (isNeedCheck) {
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checkPermissions(needPermissions);
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}
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}
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}
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/**
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*
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* @param permissions
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* @since 2.5.0
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*
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*/
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private void checkPermissions(String... permissions) {
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try {
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if (Build.VERSION.SDK_INT >= 23
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&& getApplicationInfo().targetSdkVersion >= 23) {
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List<String> needRequestPermissonList = findDeniedPermissions(permissions);
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if (null != needRequestPermissonList
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&& needRequestPermissonList.size() > 0) {
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String[] array = needRequestPermissonList.toArray(new String[needRequestPermissonList.size()]);
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Method method = getClass().getMethod("requestPermissions", new Class[]{String[].class,
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int.class});
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method.invoke(this, array, PERMISSON_REQUESTCODE);
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}
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}
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} catch (Throwable e) {
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}
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}
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/**
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* 获取权限集中需要申请权限的列表
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*
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* @param permissions
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* @return
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* @since 2.5.0
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*
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*/
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private List<String> findDeniedPermissions(String[] permissions) {
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List<String> needRequestPermissonList = new ArrayList<String>();
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if (Build.VERSION.SDK_INT >= 23
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&& getApplicationInfo().targetSdkVersion >= 23){
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try {
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for (String perm : permissions) {
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Method checkSelfMethod = getClass().getMethod("checkSelfPermission", String.class);
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Method shouldShowRequestPermissionRationaleMethod = getClass().getMethod("shouldShowRequestPermissionRationale",
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String.class);
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if ((Integer)checkSelfMethod.invoke(this, perm) != PackageManager.PERMISSION_GRANTED
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|| (Boolean)shouldShowRequestPermissionRationaleMethod.invoke(this, perm)) {
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needRequestPermissonList.add(perm);
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}
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}
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} catch (Throwable e) {
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}
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}
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return needRequestPermissonList;
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}
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/**
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* 检测是否所有的权限都已经授权
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* @param grantResults
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* @return
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* @since 2.5.0
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*
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*/
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private boolean verifyPermissions(int[] grantResults) {
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for (int result : grantResults) {
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if (result != PackageManager.PERMISSION_GRANTED) {
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return false;
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}
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}
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return true;
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}
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@TargetApi(23)
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public void onRequestPermissionsResult(int requestCode,
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String[] permissions, int[] paramArrayOfInt) {
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if (requestCode == PERMISSON_REQUESTCODE) {
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if (!verifyPermissions(paramArrayOfInt)) {
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showMissingPermissionDialog();
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isNeedCheck = false;
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}
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}
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}
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/**
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* 显示提示信息
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*
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* @since 2.5.0
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*
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*/
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private void showMissingPermissionDialog() {
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AlertDialog.Builder builder = new AlertDialog.Builder(this);
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builder.setTitle(R.string.gd_notifyTitle);
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builder.setMessage(R.string.gd_notifyMsg);
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// 拒绝, 退出应用
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builder.setNegativeButton(R.string.gd_cancel,
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new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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finish();
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}
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});
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builder.setPositiveButton(R.string.gd_setting,
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new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int which) {
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startAppSettings();
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}
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});
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builder.setCancelable(false);
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builder.show();
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}
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/**
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* 启动应用的设置
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*
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* @since 2.5.0
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*
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*/
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private void startAppSettings() {
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Intent intent = new Intent(
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Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
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intent.setData(Uri.parse("package:" + getPackageName()));
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startActivity(intent);
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}
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@Override
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public boolean onKeyDown(int keyCode, KeyEvent event) {
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if(keyCode == KeyEvent.KEYCODE_BACK){
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this.finish();
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return true;
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}
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return super.onKeyDown(keyCode, event);
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}
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}
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