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app/src/main/java/com/ttstd/dialer/utils/ApkUtils.java

@@ -0,0 +1,86 @@
+package com.ttstd.dialer.utils;
+
+import android.content.ComponentName;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.text.TextUtils;
+import android.util.Log;
+
+import com.hjq.toast.Toaster;
+
+import java.util.List;
+
+public class ApkUtils {
+
+    private static final String TAG = "ApkUtils";
+
+    public static boolean isInstalled(Context context, String packageName) {
+        if (TextUtils.isEmpty(packageName)) return false;
+        PackageManager packageManager = context.getPackageManager();
+        try {
+            PackageInfo packageInfo = packageManager.getPackageInfo(packageName, PackageManager.GET_ACTIVITIES);
+            return packageInfo != null;
+        } catch (PackageManager.NameNotFoundException e) {
+            e.printStackTrace();
+        }
+        return false;
+    }
+
+    public static boolean openPackage(Context context, String packageName) {
+        Context pkgContext = getPackageContext(context, packageName);
+        Intent intent = getAppOpenIntentByPackageName(context, packageName);
+        if (pkgContext != null && intent != null) {
+            pkgContext.startActivity(intent);
+            return true;
+        }
+        Log.e(TAG, "openPackage:  can not open " + packageName);
+        Toaster.show("打开失败");
+        return false;
+    }
+
+    public static Context getPackageContext(Context context, String packageName) {
+        Context pkgContext = null;
+        if (context.getPackageName().equals(packageName)) {
+            pkgContext = context;
+        } else {
+            // 创建第三方应用的上下文环境
+            try {
+                pkgContext = context.createPackageContext(packageName,
+                        Context.CONTEXT_IGNORE_SECURITY
+                                | Context.CONTEXT_INCLUDE_CODE);
+            } catch (PackageManager.NameNotFoundException e) {
+                e.printStackTrace();
+            }
+        }
+        return pkgContext;
+    }
+
+
+    public static Intent getAppOpenIntentByPackageName(Context context, String packageName) {
+        //Activity完整名
+        String mainAct = null;
+        //根据包名寻找
+        PackageManager pkgMag = context.getPackageManager();
+        Intent intent = new Intent(Intent.ACTION_MAIN);
+        intent.addCategory(Intent.CATEGORY_LAUNCHER);
+        intent.setFlags(Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED | Intent.FLAG_ACTIVITY_NEW_TASK);
+
+        List<ResolveInfo> list = pkgMag.queryIntentActivities(intent,
+                PackageManager.GET_ACTIVITIES);
+        for (int i = 0; i < list.size(); i++) {
+            ResolveInfo info = list.get(i);
+            if (info.activityInfo.packageName.equals(packageName)) {
+                mainAct = info.activityInfo.name;
+                break;
+            }
+        }
+        if (TextUtils.isEmpty(mainAct)) {
+            return null;
+        }
+        intent.setComponent(new ComponentName(packageName, mainAct));
+        return intent;
+    }
+}